Kubota M4N-071 Operator's Manual
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Kubota M4N-071 Operator's Manual

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PRINTED IN JAPAN
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English (U.S.A.)
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Code No. 3B481-9971-4
©
KUBOTA Corporation 2017
OPERATOR'S MANUAL
1ABCW00001A01
READ AND SAVE THIS MANUAL
MODELS
M4N-071
M5N-091
M5N-111
1ABCW00051A01

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Summary of Contents for Kubota M4N-071

  • Page 1 OPERATOR'S MANUAL MODELS M4N-071 M5N-091 M5N-111 · · English (U.S.A.) 1ABCW00001A01 1ABCW00051A01 Code No. 3B481-9971-4 READ AND SAVE THIS MANUAL © PRINTED IN JAPAN KUBOTA Corporation 2017...
  • Page 2 American Society of Agricultural and Biological Engineers, USA ASTM American Society for Testing and Materials, USA Since its inception in 1890, KUBOTA Corporation has grown to Deutsches Institut für Normung, GERMANY rank as one of the major firms in Japan.
  • Page 3 UNIVERSAL SYMBOLS As a guide to the operation of your tractor, various universal symbols have been utilized on the instruments and controls. The symbols are shown below with an indication of their meaning. General Engine - constant rpm management Safety alert symbol Engine - over-speed Master system warning Fast...
  • Page 4 Vehicle body-related Turn signal 4-wheel drive - on Hazard warning lights Bi-speed turn Clutch Brake Parking brake Differential lock Steering wheel - tilt PTO-related PTO - off (disengaged) PTO - on (engaged) PTO - 540 rpm PTO - 540E rpm Hydraulic-related Draft control - shallow position Draft control - deep position...

  • Page 7: Table Of Contents

    1. Warm-up and transmission fluid at low temperature range ............... 48 JUMP STARTING ............................... 49 OPERATING THE TRACTOR....................50 OPERATING NEW TRACTOR ........................... 50 1. Do not operate the tractor at full speed for the first 50 hours ..............50 M4N-071, M5N-091, M5N-111...
  • Page 8 2. Operating the tractor on a road ......................... 71 3. Operating on slopes and rough terrain ...................... 71 4. Transporting the tractor safely ........................71 5. Directions for the use of power steering ....................72 6. Trailer electrical outlet..........................72 7. Electrical outlet ............................72 M4N-071, M5N-091, M5N-111...
  • Page 9 1.1 Front end weights (option) ......................... 92 2. Rear ballast ............................... 92 2.1 Rear wheel weights (option)....................... 92 2.2 Liquid ballast in rear tires ........................93 MAINTENANCE .........................94 SERVICE INTERVALS............................94 MAINTENANCE ITEMS CHART......................... 95 LUBRICANTS, FUEL AND COOLANT ....................... 97 M4N-071, M5N-091, M5N-111...
  • Page 10 1. Adjusting toe-in ............................115 1.1 Adjusting toe-in procedure ....................... 115 2. Draining fuel tank water ........................... 115 EVERY 400 HOURS ............................116 1. Cleaning water separator ........................116 2. Cleaning fuel solenoid pump element (M5N-091, M5N-111) ..............116 M4N-071, M5N-091, M5N-111...
  • Page 11 2. Replacing fuel lines ..........................130 3. Replacing intake air line .......................... 130 4. Replacing power steering line ......................... 130 5. Replacing lift cylinder hose ........................131 6. Replacing brake hose ..........................131 7. Replacing master cylinder kit........................131 M4N-071, M5N-091, M5N-111...
  • Page 12 6. Replacing light bulb ..........................134 7. Replacing head lamp ..........................134 STORAGE..........................136 TRACTOR STORAGE ............................136 REMOVING THE TRACTOR FROM STORAGE....................136 TROUBLESHOOTING ......................137 ENGINE TROUBLESHOOTING ........................137 POWERTRAIN TROUBLESHOOTING......................139 OPTIONS ..........................140 LIST OF OPTIONS ............................140 INDEX............................141 M4N-071, M5N-091, M5N-111...

  • Page 13: Safe Operation

    2. CAB and ROPS manual before operation. • KUBOTA recommends the use of a CAB or roll over • Never wear loose, torn, or bulky clothing around protective structures (ROPS) and seat belt in tractor.
  • Page 14 (PTO) are disengaged or “OFF”. Fasten the seat and avoid obstacles. Be alert at row ends, near belt if the tractor has a CAB, a fixed ROPS or a trees, and other obstructions. foldable ROPS in the upright and locked position. M4N-071, M5N-091, M5N-111...
  • Page 15 – Wash hands and face before eating, drinking, sites produce dust containing crystalline silica. smoking, or applying cosmetics after leaving Trenching, sawing and boring of material containing the exposure area. crystalline silica can produce dust containing crystalline silica. M4N-071, M5N-091, M5N-111...
  • Page 16 • Keep the ROPS in the upright position and wear the seat belt when driving the tractor on the road. Otherwise, you will not be protected in the event of a tractor roll-over. M4N-071, M5N-091, M5N-111...
  • Page 17 • Set the 3-point hitch lowering speed lever in the • Keep the PTO shaft cover in place at all times. Put “LOCK” position to hold the implement in the raised back the PTO shaft cap when the shaft is not in position. use. M4N-071, M5N-091, M5N-111...
  • Page 18 Do not extend the lift rod beyond the groove on the • To avoid sparks from an accidental short circuit, threaded rod. always disconnect the battery's ground cable (-) first and reconnect it last. M4N-071 (1) Groove (1) Battery M4N-071, M5N-091, M5N-111...
  • Page 19 • To prevent fires, keep the DPF/SCR muffler and its lines, pipes, and hoses are free of damage. surroundings clear of anything flammable and keep M4N-071, M5N-091, M5N-111...
  • Page 20 Please dispose properly. • During regeneration, do not leave the tractor. See your local recycling center or KUBOTA • The improper disposal or burning of waste causes Dealer to learn how to recycle or get rid of environmental pollution and can be punishable by waste products.
  • Page 21 SAFE OPERATION SAFETY LABELS M4N-071, M5N-091, M5N-111...
  • Page 22 SAFE OPERATION M4N-071, M5N-091, M5N-111...
  • Page 23 SAFE OPERATION M4N-071, M5N-091, M5N-111...
  • Page 24 SAFE OPERATION M4N-071, M5N-091, M5N-111...
  • Page 25 • Clean the safety labels with soap and water, dry with a soft cloth. • Replace damaged or missing safety labels with new labels from your local KUBOTA Dealer. • If a component with safety label(s) affixed is replaced with new part, make sure new label(s) is (are) attached in the same location(s) as the replaced component.
  • Page 26 M4N-071, M5N-091, M5N-111...

  • Page 27: Servicing Of Tractor

    However, when in need of parts or major service, be sure to see your KUBOTA Dealer. For service, contact the KUBOTA Dealership from which you purchased your machine or your local KUBOTA Dealer.

  • Page 28: Warranty

    To put the tractor out of service, correctly follow the local rules and regulations of the country or territory where you scrap it. If you have questions, consult your local KUBOTA Dealer. (1) ROPS identification plate (ROPS serial no.) M4N-071...

  • Page 29: Specifications

    Minimum ground clearance mm (in.) 290 (11.4) (drawbar bracket) Weight kg (lbs.) 2290 (5049) 2430 (5357) Front tires 8-16 Standard tire size Rear tires 12.4-24 Traveling sys- Clutch Multiple wet disc, electronic hydraulically operated Steering Hydraulic power steering (Continued) M4N-071, M5N-091, M5N-111...
  • Page 30 Live PTO (in- PTO/engine 6 spline: 540/2385 dependent) speed 6 spline: 540E/1764 The company reserves the right to change the specifications without notice. Manufacturer's estimate Cast iron disks available for wheels. At lower link end with links horizontal. M4N-071, M5N-091, M5N-111...

  • Page 31: Traveling Speeds

    0.17 0.38 0.23 0.46 0.29 Creep (option) 0.63 0.39 0.77 0.48 1.11 0.69 Reverse 13.1 15.9 21.8 13.6 26.9 16.8 35.2 22.0 At rated engine rpm The company reserves the right to change the specifications without notice M4N-071, M5N-091, M5N-111...
  • Page 32 15.9 16.0 10.0 13.5 21.8 13.6 21.9 13.7 18.5 11.5 26.9 16.8 27.1 16.9 22.8 14.2 35.2 22.0 35.6 22.2 29.9 18.7 At rated engine rpm The company reserves the right to change the specifications without notice M4N-071, M5N-091, M5N-111...

  • Page 33: Implement Limitations

    The tractor has been thoroughly tested for proper performance with implements sold or approved by Kubota. Use with implements which are not sold or approved by Kubota and which exceed the maximum specifications listed in the following table, or which are otherwise unfit for use with the tractor may result in malfunctions or failures of the tractor, damage to other property and injury to the operator or others.

  • Page 34: Implement Specification Table

    Numbers of cultivating tines Subsoiler Cultivating depth mm (in.) 400 (16) Max. width mm (in.) 3660 (144) Cultivator Number of rows Max. weight kg (lbs.) 450 (1000) NOTE : • Implement size may vary depending on soil operating conditions. M4N-071, M5N-091, M5N-111...

  • Page 35: Instrument Panel And Controls

    (5) Turn signal and headlight switch…54 (6) Front work light switch…55 (7) Constant RPM Management switch…69 (8) DPF inhibit switch…37 (9) Parked regeneration switch…39 (10) 4WD and Bi-speed turn switch…59 (11) Key switch… - (12) Brake pedals…55 M4N-071, M5N-091, M5N-111...

  • Page 36: Instrument Panel

    (25) Dual speed shift indicator (dual speed model for M5N-091, (11) Coolant temperature gauge…63 M5N-111)…59 (12) Fuel gauge…62 (26) Parking brake warning indicator…45 (13) Rev-limiter indicator…58 (27) Mode selector switch…64 (14) Fuel level indicator…61 (28) Select switch…64 (15) Emission indicator…61 M4N-071, M5N-091, M5N-111...

  • Page 37: Foot And Hand Controls

    (13) PTO clutch control switch…73 (7) Range gear shift lever…58 (14) Position control lever…81 (8) Parking brake lever…56 (15) Draft control lever…81 Illustrated contents (1) Remote control valve…82 (2) Trailer electrical outlet…72 (3) PTO gear shift lever…74 M4N-071, M5N-091, M5N-111...

  • Page 38: Pre-Operation Check

    • Check lights • Check seat belt and ROPS • Check movable parts ® • Supply DEF/AdBlue (M5N-091, M5N-111) • Refuel (See DAILY CHECK on page 102.) • Care of the safety labels (See SAFETY LABELS on page 15.) M4N-071, M5N-091, M5N-111...

  • Page 39: Operating The Engine

    • During regeneration, do not leave the tractor. (1) Diesel Particulate Filter (DPF) NOTE : • Exhaust aftertreatment devices vary depending on the model. In accordance with the following table, refer to the appropriate item. M4N-071, M5N-091, M5N-111...

  • Page 40: Handling Points

    Regeneration When there is “Regeneration” instruction sign by lamp or buzzer, immediately perform the required procedure for regeneration. IMPORTANT : • Interrupting regeneration cycle continuing operation while ignoring the warning signs may cause DPF and engine damage. M4N-071, M5N-091, M5N-111...

  • Page 41: Operating Procedure For Auto Regeneration Mode

    • The engine rpm increase indicator is used as a guide to satisfy the regeneration conditions. If the engine load is too heavy, the engine rpm increase indicator may continue to flash, even though regeneration system conditions are satisfied and regeneration may begin automatically. (See Tips on diesel particulate filter (DPF) regeneration on page 40.) M4N-071, M5N-091, M5N-111...

  • Page 42: Pm Warning Level And Required Procedures

    Immediately move the tractor to a safe place, Engine output: 50% stantly “ON”. park it there and turn the engine “OFF”. Contact your local KUBOTA Dealer. • At this level, do not continue to operate the tractor; otherwise, damage will result to the DPF and engine.

  • Page 43: Operating Procedure For Regeneration Inhibit Mode

    3. When the parked regeneration indicator starts flashing: A specific amount of PM has accumulated in the DPF muffler. Move the tractor to a safe place and activate the DPF muffler. (See Operating procedure for parked regeneration on page 39.) M4N-071, M5N-091, M5N-111...

  • Page 44: Pm Warning Level And Required Procedures

    The engine warning indicator remains con- Immediately move the tractor to a safe place, stantly “ON”. park it there and turn the engine “OFF”. Contact your local KUBOTA Dealer. • At this level, do not continue to operate the tractor; otherwise, damage may re- sult to the DPF and engine.

  • Page 45: Operating Procedure For Parked Regeneration

    LCD. • Diagnostic trouble code (DTC) DTC can be used to diagnose the problem in the engine and SCR muffler. For example, [ENG P-208B]: The code beginning with the letter [P] or [U] is the DTC. M4N-071, M5N-091, M5N-111...

  • Page 46: Tips On Diesel Particulate Filter (Dpf) Regeneration

    SCR muffler. In this way, nitrogen oxides NOx reducing agent called urea aqueous ) contained in exhaust gases are reduced by solution is sold in the name of diesel exhaust ammonia and decomposed into nitrogen and water fluid (DEF). vapor. M4N-071, M5N-091, M5N-111...

  • Page 47: Warning Indication And Countermeasures

    ® (2) DEF/AdBlue warning indi- ing indicator times, contact your local KUBOTA Dealer. cator 3.1 SCR system inducement display on the (1) SCR system icon (4) Performance monitor (error (2) Engine output level...

  • Page 48: Scr System Inducement Display And Measures

    The engine output is limited to idle status (limited engine output: “Lv.2” ® When DEF/AdBlue has been added or a poor-quality solution replaced by a genuine product, the warning indicator and icons turn off. The engine output limitation will also be cleared. M4N-071, M5N-091, M5N-111...
  • Page 49 1. Basically, warning and/or inducement reduction cancel when the fault location is repaired. 2. However, if it detects any fault within 40 hours of the restoration, it soon returns to the previous failure and the timer restarts counting down. M4N-071, M5N-091, M5N-111...
  • Page 50 3. The 40 hours warning record will be reset if any fault has not been detected over 40 hours from the repair. If a fault is detected after the 40 hours warning record reset, then the new countdown will be stated. M4N-071, M5N-091, M5N-111...

  • Page 51: Storing And Handling Def/Adblue

    2. Make sure the fuel shutoff-valve is in the “OPEN” position. (1) Parking brake lever (B) “TRANSPORT POSITION” (2) Release button (1) Fuel shutoff-valve [A] M4N-071 (A) “PARKING POSITION” (A) “CLOSE” [B] M5N-091, M5N-111 (B) “OPEN” M4N-071, M5N-091, M5N-111...
  • Page 52 Turn it back to “OFF” after use. ™ 7. Check the Easy Checker indicators. ™ (See Checking Easy Checker indicators on page 47.) 8. Fully depress the clutch pedal. (1) Hand throttle lever “DECREASE” (2) Foot throttle “INCREASE” M4N-071, M5N-091, M5N-111...

  • Page 53: Checking Easy Checker ™ Indicators

    Illumination time of indicator varies according to the During regulation, perform warm-up operation without temperature of coolant. using the accelerator. After regulation, the engine rpm can be gradually increased. When regulation has been M4N-071, M5N-091, M5N-111...

  • Page 54: Def/Adblue ® Freeze Warning (M5N-091, M5N-111)

    “OFF” position during warm-up. times, contact your local KUBOTA Dealer. For 5 minutes after engine start-up, allow the engine to warm up without applying any load; this is to allow oil to reach every engine part.

  • Page 55: Jump Starting

    7. Start the helper vehicle and let its engine run for a few moments. Start the disabled tractor. 8. Disconnect the jumper cables in the exact reverse order of attachment (steps 6, 5 and 4). Connect cables in numerical order. Disconnect in reverse order after use. M4N-071, M5N-091, M5N-111...

  • Page 56: Operating The Tractor

    If interference • Do not start quickly nor apply the brakes suddenly. occurs, contact your KUBOTA Dealer. • In winter, operate the tractor after fully warming up the engine. • Do not run the engine at speeds faster than 1.

  • Page 57: Raising The Rops To Upright Position

    • Make sure that both lock pins are properly installed and secured with the lynch pins. (1) ROPS (1) ROPS (4) Cushion (2) Lynch pin (3) Lock pin 2. Raising the ROPS to upright position 1. Remove both lynch pins and lock pins. M4N-071, M5N-091, M5N-111...

  • Page 58: Starting The Tractor

    5. Pull the position control lever to raise the Travel adjustment implement. Pull the travel adjust lever and slide the seat backward • Position control on page 81 or forward, as required. The seat will lock in position when the lever is released. M4N-071, M5N-091, M5N-111...

  • Page 59: Glove Box

    • Do not adjust the steering wheel while the tractor is in motion. Press down the steering wheel tilt pedal to release the lock, so that the steering wheel can be adjusted to the desired position. (1) Seat belt M4N-071, M5N-091, M5N-111...

  • Page 60: Light Switch

    To indicate a right turn, turn the turn signal light switch clockwise. To indicate a left turn, turn the turn signal light switch counter-clockwise. The corresponding right and left turn signal lights and indicator on the instrument panel will flash. M4N-071, M5N-091, M5N-111...

  • Page 61: Front Work Light Switch

    WARNING • Be sure brake pedals have equal adjustment To avoid the possibility of personal injury, death or when using locked together. Incorrect or property damage from machine runaway during M4N-071, M5N-091, M5N-111...

  • Page 62: Parking Brake Lever

    • The sudden release of the clutch may cause the tractor to lunge in an unexpected manner. • Always use the clutch pedal to start the tractor. The clutch is disengaged when the clutch pedal is fully pressed down. M4N-071, M5N-091, M5N-111...

  • Page 63: Travel Speed Control

    12 forward speeds without creep 12 reverse speeds Standard model (F12/R12) 18 forward speeds with creep 18 reverse speeds 24 forward speeds without creep 24 reverse speeds Dual speed model (F24/R24) 36 forward speeds with creep 36 reverse speeds M4N-071, M5N-091, M5N-111...

  • Page 64: Travel Speed Limiter

    But the engine speed is limited to 2080 rpm or so, and acceptable to KUBOTA for coverage under it does not increase even if the foot throttle is the warranty.

  • Page 65: Dual Speed Shift Switch (Dual Speed Model)

    Bi-speed turn mode. It returns to a central position; • The drive system returns to 2WD mode • The all indicators goes off when the system is in 2WD mode. M4N-071, M5N-091, M5N-111...

  • Page 66: Front-Wheel Drive And Bi-Speed Turn Usage

    • When working on a hard soil where a rotary tiller might push the tractor forward. 1. Slow down the engine. • For increased braking at reduced speed. 2. Step on the clutch and brake pedal. Bi-speed turn use is effective for the following jobs: M4N-071, M5N-091, M5N-111...

  • Page 67: Check During Driving

    When the engine rpm the engine and then restart it. If the error decreases, the warning will stop. happens again, consult your local KUBOTA Dealer. IMPORTANT : • If the warning indicator lights up, the...

  • Page 68: Fuel Gauge

    1000 rpm, check the engine oil level. If the trouble is not corrected by restarting the (See Checking engine oil level on page 104.) tractor, consult your local KUBOTA Dealer. NOTE : ® DEF/AdBlue system warning (M5N-091, •...

  • Page 69: Def/Adblue ® Gauge (M5N-091, M5N-111)

    [C] is for cold and [H] is for hot. 2. If the indicator reaches the red zone position, the engine coolant is overheated. Check the tractor by reading the troubleshooting section of this manual. (See TROUBLESHOOTING on page 137.) M4N-071, M5N-091, M5N-111...

  • Page 70: Various Setting Mode

    Various information can be selected by the operator. NOTE : • Errors may occur in the fuel consumption display depending on the conditions of use. Use the displayed data only as an approximate guide. In particular, do not use the total fuel M4N-071, M5N-091, M5N-111...

  • Page 71: Clock Setting

    4. Press the mode selector switch. 5. To complete the setting, select with the select “Set” switch. The various setting mode screen appears again. 1.2 Setting the clock display ON/OFF 1. Press the mode selector switch to choose “Clock ON/OFF setting”. M4N-071, M5N-091, M5N-111...

  • Page 72: Setting The Unit

    The PTO rpm is set automatically and does not require adjusting. 12.4-24 R1 380/85 R24 18.4-16.1 R1 320/85 R20 480/65 R24 3. Press the mode selector switch. 4. To complete the setting, select with the select “Set” switch. The various setting mode screen appears again. M4N-071, M5N-091, M5N-111...

  • Page 73: Performance Monitor

    Engine RPM dual memory B rpm is displayed. NOTE : • Hold down the mode selector switch for 2 seconds or longer to reset the “Trip meter”, “Average fuel consumption” and “Total fuel consumption” displays to “0.0” M4N-071, M5N-091, M5N-111...

  • Page 74: Electronic Engine Control

    (A) Light up 2. Set the hand throttle lever slightly toward the Engine revolution is operating in the rpm memory setting value. higher-speed side. Flashing Engine revolution is less than the rpm memory setting value. M4N-071, M5N-091, M5N-111...

  • Page 75: Constant Rpm Management Control

    Set the desired engine speed while Constant RPM Management can be turned “ON” or watching the speed display. “OFF” by operating the switch. Pressing the switch turns the control “ON” and pressing the switch again turns it “OFF”. M4N-071, M5N-091, M5N-111...

  • Page 76: Parking The Tractor

    If one of the rear wheels should slip, step on the • The purpose of Constant RPM Management is differential lock pedal. Both wheels will turn together, not to increase the engine power. then reduce slippage. Differential lock is maintained only while the pedal is depressed. M4N-071, M5N-091, M5N-111...

  • Page 77: Operating The Tractor On A Road

    Secure the tractor tightly with ropes. and warning lamps on the equipment. 2. Follow the instructions below when towing the Consult your local KUBOTA Dealer for further details. tractor. Otherwise, the tractor's powertrain may be damaged. • Set all the shift levers to “NEUTRAL” position.

  • Page 78: Directions For The Use Of Power Steering

    A trailer electrical outlet is supplied for use with a trailer or implement. (1) Accessory electrical outlet (max 15 A) (1) Trailer electrical outlet Function of each terminal in trailer electrical outlet (1) Accessory electrical outlet (max 15 A) M4N-071, M5N-091, M5N-111...

  • Page 79: Pto

    10 seconds after standing up. This is because the tractor is equipped with “Operator Presence Control System”. (See Checking operator presence control (OPC) system on page 109.) M4N-071, M5N-091, M5N-111...

  • Page 80: Pto Gear Shift Lever

    (1) PTO gear shift lever (B) 540E rpm (A) 540 rpm NOTE : • When light load, select the “540E” position for economical operation. PTO gear shift lev- Engine speed rpm PTO speed rpm 2385 540E 1764 M4N-071, M5N-091, M5N-111...

  • Page 81: Pto Shaft Cover And Shaft Cap

    “OFF”. (1) PTO shaft cover (2) PTO shaft cap IMPORTANT : • The universal joint of the PTO drive shaft is technically limited in its moving angle. Refer to the PTO Drive Shaft Instructions for proper use. M4N-071, M5N-091, M5N-111...

  • Page 82: 3-Point Hitch And Drawbar

     3-POINT HITCH AND DRAWBAR 3-POINT HITCH AND DRAWBAR (1) Top link (2) Lifting rod (left) (3) Stabilizer (4) Lower link (5) Lifting rod (right) (6) Drawbar M4N-071, M5N-091, M5N-111...

  • Page 83: The 3-Point Hitch Setup

    By turning the rod itself, the lifting rod varies its length. When extending the rod, do not exceed the groove on the rod thread. (1) Lower link (5) Lift rod pin (2) Lifting rod (6) Thrust collar (3) Split pin (A) Hole (4) Nut (B) Hole M4N-071, M5N-091, M5N-111...

  • Page 84: Lifting Rod (Right)

    The stabilizer is used to adjust the lower link width. Rotate the turnbuckle to adjust the stabilizer length. When adjusting, make sure both the stabilizers are equal in overall length. Turnbuckle locked position After adjusting the stabilizer length, the turnbuckle must remain in the locked position. M4N-071, M5N-091, M5N-111...

  • Page 85: Turnbuckle Unlocked Position

    (A) “Rotate” NOTE : • Adjusting the left hand side stabilizer is done the same way as for the right hand side stabilizer. DRAWBAR WARNING (1) Set-pin (2) Hex wrench handle To avoid personal injury or death: M4N-071, M5N-091, M5N-111...

  • Page 86: Adjusting Drawbar Length

    (A) in drawbar be utilized. 2. For information about the drawbar load, read the implement limitations section of this manual. (See IMPLEMENT LIMITATIONS on page 27.) (1) Drawbar (1) Drawbar (B) Hole (2) Pivot pin (A) Hole M4N-071, M5N-091, M5N-111...

  • Page 87: Hydraulic Unit

    Unless corrected, the unit will be damaged. Contact your KUBOTA Dealer for adjustments. A standard tractor has the following hydraulic control systems. Choose the most appropriate system for the (1) Position control lever (A) “FLOAT”...

  • Page 88: Float Control

    3-point hitch lowering speed knob. (1) Single or double acting valve (A) Double acting (2) Auxiliary control valve selec- (B) Single acting tor knob (1) 3-point hitch lowering speed (B) “SLOW” knob (C) “LOCK” (A) “FAST” M4N-071, M5N-091, M5N-111...

  • Page 89: Remote Control Valve Lever

    (4) Remote control valve lever 4 (option) Double-acting Single-acting (5) Remote control valve lever 5 Lever 5 Lever position (option) Port IMPORTANT : • Do not hold the lever in the “Pull” or “Push” position once the remote cylinder has reached M4N-071, M5N-091, M5N-111...

  • Page 90: Remote Control Valve Coupler

    Pull the hose straight from the hydraulic coupler to release it. 4. Clean oil and dust from the coupler, then replace the dust plugs. NOTE : • Your local KUBOTA Dealer can supply parts for adapting couplers to hydraulic hoses. M4N-071, M5N-091, M5N-111...
  • Page 91 3-point hitch. IMPORTANT : • When there is no need to adjust the flow rate, turn the flow control knob all the way counterclockwise keep this position. M4N-071, M5N-091, M5N-111...

  • Page 92: Hydraulic Control Unit Use-Reference Chart

    Subsoiler, etc. Weeder, ridger, etc. Earth mover, digger, scraper, manure fork, Position control Yes/No rear carrier, etc. (hold the draft control lever at the frontmost position during operation). Mower (mid-and rear- mount type) Hay rake, tedder, etc. M4N-071, M5N-091, M5N-111...

  • Page 93: Tires, Wheels And Ballast

    , 20 psi.) Rear 380/85R24 165 kPa (1.7 kgf/cm , 24 psi.) 320/85R20 160 kPa (1.6 kgf/cm , 23 psi.) 480/65R24 160 kPa (1.6 kgf/cm , 23 psi.) 2. Dual tires (1) Tire remover Dual tires are not approved. M4N-071, M5N-091, M5N-111...

  • Page 94: Front Wheels-4Wd

    200 m and 10 times of shuttle movement by 5 m, and thereafter according to service interval. (See MAINTENANCE on page 94.) (1) 260 to 304 N ⋅ m / 26.5 to 31 kgf ⋅ m / 192 to 224 ft ⋅ lbs M4N-071, M5N-091, M5N-111...

  • Page 95: Front Jack Point

    • Before jacking up the tractor, park it on a firm and level ground and chock the rear wheels. • Fix the front axle to keep it from pivoting. • Select jacks that withstand the machine weight and set them up as follows. (1) Jack point M4N-071, M5N-091, M5N-111...

  • Page 96: Rear Wheels

    380/85R24 Cast (44.5 in.) (43.7 in.) (46.7 in.) (53.3 in.) 1125 mm 1115 mm 1195 mm 1345 mm 480/65R24 (44.3 in.) (43.9 in.) (47.0 in.) (53.0 in.) (1) Rear wheel disc (2) Rear wheel rim (3) Tread M4N-071, M5N-091, M5N-111...
  • Page 97  TIRES, WHEELS AND BALLAST 1055 mm 1160 mm 1270 mm 320/85R20 (41.5 in.) (45.7 in.) (50.0 in.) (1) Rear wheel disc (2) Rear wheel rim (3) Tread 1170 mm 18.4-16.1 (46.1 in.) (1) Rear wheel disc (2) Tread M4N-071, M5N-091, M5N-111...

  • Page 98: Rear Jack Point

    • Do not fill the front wheels with liquid to See your implement operator's manual for required maintain steering control. number of weights or consult your local KUBOTA Dealer about their usage. 1. Front ballast Add weights if needed for stability and improved traction.

  • Page 99: Liquid Ballast In Rear Tires

    • Do not fill tires with water or solution to more than 75% of full capacity (to the valve stem level). (1) Air (A) Correct - 75% full, air com- (2) Water presses like a cushion (B) Incorrect - 100% full, water cannot be compressed M4N-071, M5N-091, M5N-111...

  • Page 100: Maintenance

    Change case oil Oil separator hose Replace every Front axle gear 1000 Hr Boost sensor hose Replace Change every 2 case oil years DPF differential Engine valve clear- pressure sensor Replace Adjust ance rubber hose (Continued) (Continued) M4N-071, M5N-091, M5N-111...

  • Page 101: Maintenance Items Chart

    Fuse Replace Light bulb Replace Consult your local KUBOTA Dealer for this service. Air cleaner should be cleaned more often in dusty conditions than in normal conditions. When the battery is used for less than 100 hours per year, check the battery condition by reading the indicator annually.
  • Page 102 ○ ○ ○ ○ Every 3 1550 ○ ○ years 1600 ○ ○ ○ ○ Every 4 ○ years 1650 ○ 1700 ○ ○ 1750 ○ 1800 ○ ○ ○ ○ 1850 ○ 1900 ○ ○ (Continued) M4N-071, M5N-091, M5N-111...

  • Page 103: Lubricants, Fuel And Coolant

    Battery terminal A small amount NOTE : • The product name of KUBOTA genuine UDT fluid may be different from that in the operator's manual depending on countries or territories. Consult your local KUBOTA Dealer for further details. Engine oil •...
  • Page 104 ISO 22241-1. Transmission oil *KUBOTA Super UDT2: For an enhanced ownership experience, we highly recommend Super UDT2 to be used instead of standard hydraulic and transmission fluid. Super UDT2 is a proprietary KUBOTA formulation that delivers superior performance and protection in all operating conditions.

  • Page 105: Biodiesel Fuel (Bdf) B0-B20

    Consequently, fuel filter performance may be reduced, particularly during cold weather conditions. 8. The KUBOTA Warranty, as specified in the owner's warranty information guide, only covers defects in product materials and workmanship. Accordingly, any problems that may arise due to the use of poor quality fuels that fail to meet the above requirements, whether biodiesel or mineral oil based, are not covered by the KUBOTA Warranty.
  • Page 106 Fuel line Replace Every 2 years Consult your local KUBOTA Dealer for this service. Long term storage: 1. BDF easily deteriorates due to oxygen, water, heat and foreign substances. Do not store B6 through B20 longer than 1 month and B5 longer than 3 months.

  • Page 107: Periodic Service

    ), refrigerant, solvent, filters, rubber, batteries and harmful substances, can harm the environment, people, pets and wildlife. Please dispose properly. See your local recycling center or KUBOTA Dealer to learn how to recycle or get rid of waste products. (1) Release lever (A) “PULL”...

  • Page 108: Side Cover

    • Be sure to close the fuel tank cap after (2) Bolt (6) Bolt refueling. (3) Nut (A) “MOVE” To avoid allergic skin reaction: (4) Pin • Wash hands immediately after contact with diesel fuel. M4N-071 Remove the bolts as shown below. M4N-071, M5N-091, M5N-111...

  • Page 109: Checking Def/Adblue ® Level And Adding Fluid (M5N-091, M5N-111)

    IMPORTANT : ® low, add DEF/AdBlue as required. ® • Use exclusively DEF/AdBlue that complies ® Before removing the DEF/AdBlue cap, clean dirt away with the requirements of ISO 22241-1. from the cap and the tank opening. M4N-071, M5N-091, M5N-111...

  • Page 110: Checking Water Separator

    If any other substance (gasoline/diesel/oil) is ® mistakenly introduced into the DEF/AdBlue tank, do not attempt to start the engine and contact your local KUBOTA Dealer as soon as possible. ® • Check the DEF/AdBlue gauge regularly to avoid emptying its tank.

  • Page 111: Checking Transmission Fluid Level

    (See Flushing cooling system and changing coolant NOTE : on page 127.) • At times, a small amount of fuel, which is used to regenerate the DPF, may get mixed with the engine oil and the engine oil may increase in volume. M4N-071, M5N-091, M5N-111...

  • Page 112: Cleaning Evacuator Valve

    (3) Hole There is a dust indicator on the air cleaner body. If the (2) Pin (A) red signal on the dust indicator is visible, clean the 3. Attaching the panel is performed vice versa. element immediately. M4N-071, M5N-091, M5N-111...

  • Page 113: Cleaning

    1. Inspect the brake pedals for free travel and smooth operation. 2. Adjust if incorrect measurement is found. 11. Checking DPF/SCR muffler (See Adjusting brake pedal on page 112.) WARNING To avoid personal injury or death: M4N-071, M5N-091, M5N-111...

  • Page 114: Checking Parking Brake

    In the above case, remove the rust or the sticky 4. Depress the clutch pedal fully. material and apply oil or grease to the relevant spot. 5. Disengage the PTO clutch control switch. Otherwise, the machine may be damaged. M4N-071, M5N-091, M5N-111...

  • Page 115: Testing Switch For Pto Clutch Control Switch

    7. The engine must not crank. the PTO. Restart the engine per the available 8. If it cranks, consult your local KUBOTA Dealer for instructions. this service. 2. Checking wheel bolt torque 1.3 Testing switch for PTO clutch control...

  • Page 116: Every 100 Hours

    (1) Grease fitting (front axle gear case support) - RH, LH (1) Grease fitting (front axle support) (1) Grease fitting (top link) (2) Grease fitting (top link bracket) (3) Grease fitting (lifting rod) M4N-071, M5N-091, M5N-111...

  • Page 117: Cleaning Air Cleaner Primary Element

    • When dry dust adheres to the element, blow compressed air from the inside, turning the element. Pressure of compressed air must be WARNING under 205 kPa (2.1 kgf/cm , 30 psi). To avoid personal injury or death: M4N-071, M5N-091, M5N-111...

  • Page 118: Adjusting Brake Pedal

    • To prevent uneven braking, the specification must be within the recommended limit. If found to be beyond the specification range, contact your local KUBOTA Dealer for adjusting the brakes. (1) Adjusting bolt (B) To tighten (2) Alternator mounting bolt 4.1 Checking brake pedal free travel...

  • Page 119: Checking Brake Pedal Stroke

    Confirm the tractor (tractor unit only) can surely be parked on the slope of about 15 degrees (slope that rises by 2.7 meters every 10 meters). If the tractor moves, consult your local KUBOTA Dealer. Always engage the parking brake before dismounting the tractor.

  • Page 120: How To Read Indicator

    3. The battery is charged when the indicator display and oxygen gases in the battery are extremely turns from black to green. explosive. Keep open sparks and flames away from the battery at all times, especially when charging the battery. M4N-071, M5N-091, M5N-111...

  • Page 121: Directions For Battery Storage

    (2) Drain plug 4. Measure the distance between the tire beads at the front of the tire, at hub height. 5. Measure the distance between the tire beads at the rear of the tire, at hub height. M4N-071, M5N-091, M5N-111...

  • Page 122: Every 400 Hours

    2. Remove the cover's nut and remove the cover from the fuel solenoid pump. 3. Remove the cover, magnet, and element and clean with kerosene. 4. Refer to the diagram below and reassemble the parts as they were before. M4N-071, M5N-091, M5N-111...
  • Page 123 1. Changing engine oil WARNING To avoid personal injury or death: • Be sure to stop the engine before changing the oil. • Allow the engine to cool down sufficiently; oil can be hot and can burn. M4N-071, M5N-091, M5N-111...
  • Page 124 2. Put a film of clean engine oil on the rubber seal of the new filter. 3. Tighten the filter quickly until it contacts the mounting surface. Tighten the filter by hand an additional 1/2 turn only. M4N-071, M5N-091, M5N-111...
  • Page 125 • To prevent serious damage to the engine, • Allow the engine to cool down sufficiently; oil use only a Kubota genuine filter. can be hot and can burn. 1. Remove the drain plug at the bottom of the 3.
  • Page 126 IMPORTANT : • To prevent serious damage to the hydraulic system, use only a KUBOTA genuine filter. 5. Checking power steering line 1. Check to see that all lines and hose clamps are tight and not damaged.
  • Page 127 2. Replace the hoses and tighten the hose clamps securely, if the radiator hoses are swollen, hardened or cracked. Replace the hoses and hose clamps every 4 years or earlier if they are found to be swollen, hardened or cracked. M4N-071, M5N-091, M5N-111...
  • Page 128 (See TROUBLESHOOTING on page 137.) Afterward, restart the engine. 7. Checking fuel line 1. Check to see that all lines and hose clamps are tight and not damaged. M4N-071, M5N-091, M5N-111...
  • Page 129 (See Bleeding fuel system on page 131.) 8. Checking intake air line 1. Check to see that hoses and hose clamps are tight and not damaged. (1) Fuel lines (2) Clamp bands M5N-091, M5N-111 (1) Fuel lines (2) Clamp bands M4N-071, M5N-091, M5N-111...
  • Page 130 Adjusting procedure 1. Loosen the lock nut and screw-in the adjusting screw until seated. 2. Tighten the screw by an additional 1/6 turn. (1) Hose (2) Hose clamps M4N-071, M5N-091, M5N-111...
  • Page 131 2. After draining, reinstall the drain plug. 2. After draining reinstall the drain plugs. 3. Fill with new KUBOTA SUPER UDT fluid up to the 3. Remove the oil level check plug at the front upper notch on the dipstick.
  • Page 132 2. Checking exhaust manifold 6. After checking oil is visible through the opening of check plug, reinstall filling plugs and check plug. Consult your local KUBOTA Dealer for this service. Oil capacity EVERY 1500 HOURS 3.0 L (3.2 U.S.qts.) for each...
  • Page 133 6. Checking and cleaning EGR 3. Tighten the cover. cooler M4N-071 Consult your local KUBOTA Dealer for this service. EVERY 2000 HOURS OR 2 YEARS Be sure to do the following servicing once every 2000 hours or biennially, whichever comes first.
  • Page 134 Use standard first aid and CPR for signs of shock or cardiac arrest. Call your local poison control center or your local emergency number for further assistance. M4N-071, M5N-091, M5N-111...
  • Page 135 If mixed with the cleaning agent, sludge may The mixture can produce chemical reactions build up, adversely affecting the engine parts. resulting in harmful substances. 7. KUBOTA's genuine long-life coolant has a service • Antifreeze extremely flammable life of 2 years. Be sure to change the coolant every explosive under certain conditions.
  • Page 136 2. Checking DPF differential pressure sensor pipe filter (M5N-091, M5N-111) Consult your local KUBOTA Dealer for this service. 1. Remove the 8 bolts and then remove the tank cover. 3. Checking EGR pipe Consult your local KUBOTA Dealer for this service.

  • Page 137: Replacing Equalizer Kit

    EVERY 4 YEARS  PERIODIC SERVICE 5. Replacing lift cylinder hose M4N-071 Consult your local KUBOTA Dealer for this service. 6. Replacing brake hose Consult your local KUBOTA Dealer for this service. 7. Replacing master cylinder kit Consult your local KUBOTA Dealer for this service.

  • Page 138: Bleeding Brake System

    2. Bleeding brake system damage by fuses. A blown fuse indicates that there is an overload or short Consult your local KUBOTA Dealer for this service. somewhere in the electrical system. If any of the fuses should blow, replace with a new one 3.

  • Page 139: Replacing Slow-Blow Fuses

    The slow-blow fuses are intended to protect the (17) Headlight electrical cabling. If any of them has blown out, be sure (18) Flasher (hazard) to pinpoint the cause. Never use any substitute, use only a KUBOTA genuine part. (19) Backup (ECU) (20) Stop lamp M4N-071, M5N-091, M5N-111...

  • Page 140: Replacement Procedure

    3. Replace with a new one of the same capacity. Bolt fixed 100 A Charge Bolt fixed slow-blow fuse: 50 A SCR system Consult your local KUBOTA Dealer for this service. Non-bolt- fixed 60 A Hazard 120 A Engine preheat...
  • Page 141 (3) Cover face upward” (4) Bulb base IMPORTANT : • Be sure to use a new bulb of the specified wattage. • Never touch the bulb surface (glass) with bare hands. Fingerprints, for example, may break the bulb. M4N-071, M5N-091, M5N-111...

  • Page 142: Storage

    MUFFLER on page 40.) 10. Keep the tractor in a dry place where the tractor is sheltered from the elements. Cover the tractor. 11. Store the tractor indoors in a dry area that is protected from sunlight and excessive heat. M4N-071, M5N-091, M5N-111...

  • Page 143: Troubleshooting

    Loose or damaged fan belt. • Adjust or replace fan belt. • Dirty radiator core or grille screens. • Remove all trash. • Coolant flow route corroded. • Flush cooling system. If you have any questions, contact your local KUBOTA Dealer. M4N-071, M5N-091, M5N-111...
  • Page 144 Stop the engine and get it restarted. If the engine fails to restart or the indicator stays on, immediately con- tact your local KUBOTA Dealer. If the warning indicator lights up, the following phenomena may appear de- pending on the engine's trouble spot.

  • Page 145: Powertrain Troubleshooting

    If something is wrong with the powertrain, the master system warning indicator starts blinking, and the error code shown in the following table is displayed on the LCD. The error code indicates the location of the trouble. If an error code appears, immediately contact your local KUBOTA Dealer for repairs. (1) Master system warning indicator...

  • Page 146: Options

     OPTIONS LIST OF OPTIONS OPTIONS LIST OF OPTIONS Consult your local KUBOTA Dealer for further details. • Engine block heater for extremely cold weather starting • Front end weights for front ballast • Front end weights and bracket for front ballast •...

  • Page 147: Index

    112 cleaning fuel cooler........106,107 checking stroke........... 113 cleaning grill............106 brake pedals (right and left)........55 cleaning grille............107 brake seal 1 and 2 cleaning oil cooler........106,107 replacing..............131 cleaning radiator screen.......106,107 M4N-071, M5N-091, M5N-111...
  • Page 148 Easy Checker adjusting..............84 checking.............. 108 controlling..............84 Easy Checker™ indicator foot controls..............31 checking..............47 foot throttle..............60 Easy Checker™ indicators..........61 front axle gear case oil EGR cooler changing..............125 checking.............. 127 front axle pivot adjusting..............124 M4N-071, M5N-091, M5N-111...
  • Page 149 108 checking.............. 108 hazard light switch............54 muffler................. 53 head lamp replacing..............134 headlight oil cooler checking.............. 108 cleaning............106,107 hood................101 oil separator element hydraulic control unit replacing..............126 reference chart............86 oil separator hose hydraulic oil filter replacing..............130 replacing..............119 M4N-071, M5N-091, M5N-111...
  • Page 150 (range gear)..........58 radiator screen shift lever (shuttle)............58 cleaning............106,107 shuttle shift lever............58 range gear shift lever..........58 shuttle shift lever switch rear ballast..............92 testing..............108 rear jack point..............92 side cover..............102 rear turn signal light switch..........54 M4N-071, M5N-091, M5N-111...
  • Page 151 136 transporting safely..........71 working..............8 tractor (new) changing lubricating oil..........50 operating............... 50 operating caution...........50 transmission fluid changing..............125 checking level............105 transmission fluid at low temperature range....48 travel speed control.............57 travel speed limiter............58 travel speeds...............25 M4N-071, M5N-091, M5N-111...

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M5n-091M5n-111

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