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Vic Lee
March 3, 2025

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Summary of Contents for Zetor Proxima 6421

  • Page 3 ZETOR The supplement to the instructions manual for tractors Proxima with engines TIER III that is presented to you in- cludes a description, operation and maintenance of accessories that is different from tractors Proxima with engines TIER II and from description, operation and maintenance of accessories changed in the course of manufacturing of Proxima.
  • Page 4 The data on technical specifications, construction, equipment, materials and appearance are valid at the time of printing. The manufacturer reserves the right of changes.
  • Page 5: Table Of Contents

    Modular system of hitches for trailers and semi-trailers ..15 Planned technical maintenance .......... 27 Module of a swing link bracket ..........15 Oils for 4-cylinder turbo-charged engines Zetor ..... 27 Swing link................15 Recommended oils for turbo-charged engines according to Module of a swing link bracket with fixed pin ......
  • Page 6 CONTENTS Oils for front output shafts Zuidberg........30 Maintenance instructions............ 31 Opening of the front bonnet ........... 31 Maintenance of the dry air cleaner – indicator of clogging ..31 Function of the indicator of clogging ........31 Instructions to maintenance of dry air cleaner ....... 32 Regeneration of main air cleaner cartridge ......
  • Page 7: Preventive Daily Maintenance

    PREVENTIVE DAILY MAINTENANCE H105 G735 G710 COOLING SYSTEM FLUID BRAKES AIR CLEANER Check tightness of joints of the engine Check tightness of fluid brakes, fluid con- Maintenance of the cleaner shall cooling system and amount of cooling trol of the clutch a amount of brake fluid be carried out after indication of fluid in the expansion tank that is in- in the expansion tank that is installed on...
  • Page 8: Oil Tank Of Hydrostatic Steering

    PREVENTIVE DAILY MAINTENANCE G720 OIL TANK OF HYDROSTATIC STEERING Using the gauge rod check level of oil in the hydrostatic steering tank. The tank is installed in the front left part of the tractor and accessible after lifting of the front bonnet.
  • Page 9: Acquaintance With The Tractor

    ACQUAINTANCE WITH THE TRACTOR REVERSIBLE SWITCHES, SWITCHES AND LEVERS a - Switch of lighting (off, parking lights, front headlamps). b - Switch of low beams in the front mask and low beams on the cab. ∗ Option: the lights on the cab may be controlled by this switch independently on the lights in the front mask (on/off).
  • Page 10: Control Panel On The Right Cab Column

    ACQUAINTANCE WITH THE TRACTOR H127 F205 H109 CONTROL PANEL ON THE RIGHT TILTING STEERING WHEEL AGGREGATION HOLE, REAR RIGHT CAB COLUMN PANEL The tilting column of the steering wheel enables variable adjustment of height and 1- ∗ switch of front working lights on the The lower window is fixed, with a hole for angle position of the steering wheel.
  • Page 11: Lever Of Shifting Of Reverse

    ACQUAINTANCE WITH THE TRACTOR E149 E150 H170 ∗LEVER OF SHIFTING OF REVERSE LEVER OF SHIFTING OF ROAD AND LEVER OF ENGAGEMENT OF THE REDUCED SPEEDS OUTPUT SHAFT DRIVE F - driving forward; kever in forward posi- dependent speed of the output tion road gears shaft drive through the gearbox;...
  • Page 12: Lever Of Shifting Of Speed Of The Output Shaft 540 And 1,000 Rpm

    ACQUAINTANCE WITH THE TRACTOR H171 H171 H171 ∗LEVER OF SHIFTING OF SPEED OF ∗LEVER OF SHIFTING OF SPEED OF ∗LEVER OF SHIFTING OF THE THE OUTPUT SHAFT THE OUTPUT SHAFT REDUCER OF CREEP SPEEDS 540 AND 1,000 RPM 540 AND 540E RPM reducer of creep speeds 540 rpm 540 rpm...
  • Page 13: Transport Use

    TRANSPORT USE D201 D202 MULTI-STOREY QUICK-ADJUSTABLE HEIGHT ADJUSTMENT AND HITCH CBM DISMOUNTING OF THE MULTI- STOREY HITCH CBM It is used for hitching of two-axle of light single-axle trailers. The guide mouth is Turning of the lever in direction of the ar- height-adjustable.
  • Page 14: Automatic Guide Mouth Of The Multi-Storey Hitch Cbm >31/03/2007

    TRANSPORT USE D203 E304 AUTOMATIC GUIDE MOUTH OF THE AUTOMATIC GUIDE MOUTH OF THE MULTI-STOREY HITCH CBM MULTI-STOREY HITCH CBM >31/03/2007 01/04/2007< Moving of the lever (1) in direction of the Moving of the lever (1) in direction of the arrow (a) slides the pin (2) into its upper arrow slides the pin (3) into its upper po- position that is indicated by the extracted...
  • Page 15: Modular System Of Hitches For Trailers And Semi-Trailers

    TRANSPORT USE D204 D205 D206 MODULAR SYSTEM OF HITCHES FOR MODULE OF A SWING LINK MODULE OF A SWING LINK TRAILERS AND SEMI-TRAILERS BRACKET BRACKET WITH FIXED PIN Types of modules: The module of the swing link bracket is Carry out dismounting and mounting of Fig.
  • Page 16: Module Of A Bracket With Ballø 80Mm

    TRANSPORT USE D207 D208 MODULE OF A BRACKET WITH BALL HITCH CBM FOR SINGLE-AXLE Ø 80MM TRAILERS The bracket with a ball ø 80mm is The hitch for single-axle trailers can be used only for hitching of semi- fitted with a hook (A) or swing link (B). trailers with hitching devices de- signed for balls ø...
  • Page 17: Maximum Permissible Vertical Static Loading Of Hitches For Trailers And Semi-Trailers

    TRANSPORT USE MAXIMUM PERMISSIBLE VERTICAL STATIC LOADING OF HITCHES FOR TRAILERS AND SEMI-TRAILERS Permissible Permissible vertical Hitch pin vertical Hitch pin Type of hitch Type of hitch static load- Ø static load- Ø 2,000kg 2,000kg 31mm 38mm 2,000kg 2,000kg 43mm 28mm The maximum weight of the aggregated braked trailer or semi-trailer shall not exceed the value given on the serial rating plate of the tractor and value given in the technical passport (MOT cer-...
  • Page 18: Maximum Permissible Vertical Static Loading Of Hitches For Trailers And Semi-Trailers

    TRANSPORT USE MAXIMUM PERMISSIBLE VERTICAL STATIC LOADING OF HITCHES FOR TRAILERS AND SEMI-TRAILERS Permissible Permissible Permissible Hitch Hitch vertical vertical vertical Hitch pin Type of hitch Type of hitch Type of hitch static load- static load- static load- (ball) Ø (ball) Ø...
  • Page 19: Drive Of Agricultural Machines

    DRIVE OF AGRICULTURAL MACHINES E356 H355 E358 FRONT OUTPUT SHAFT ZUIDBERG ENGAGEMENT OF THE FRONT MAXIMUM TRANSFERRED POWER OUTPUT SHAFT ZUIDBERG The front output shaft is equipped with a Output shaft Transferred fixed 21-spline terminal and its speed is The front output shaft Zuidberg can be power 1,000 rpm only.
  • Page 20: Hydraulic Equipment

    HYDRAULIC EQUIPMENT G419 G161 EXTERNAL CONTROL OF REAR ARMS OF THE HYDRAULIC EQUIPMENT External control of rear arms of the hydraulic equipment can be found on the rear During manipulation with the 3- right mud guard and allows the driver easier hitching of the implement, as movement point hitch using the external con- of the lower links of the 3-point hitch can be controlled from outside.
  • Page 21: Hitches

    HITCHES E453 E454 E455 HEIGHT ADJUSTMENT OF THE FIXED AND FREE POSITIONS OF LIMITING LINKS LIFTING LINKS LOWER LINKS OF THE HYDRAULIC The limiting links (1) enable side swings EQUIPMENT Fig. (A) – Left lifting link: of the lower links. After disconnection of the arm upper end Fig.
  • Page 22: Lower Links With Telescopic Terminals

    HITCHES E459 E460 ∗LOWER LINKS WITH TELESCOPIC ∗LOWER LINKS WITH HOOKS CBM TERMINALS The lower (3) and upper (4) links of the The lower links of the hitch are equipped hitch are fitted with hooks CBM. with semi-automatic telescopic terminals First the implement shall be fitted with CBM that facilitate hitching of the imple- hitching balls CBM (1) and the distance...
  • Page 23: Front 3-Point Hitch

    HITCHES E461 H462 E463 ∗FRONT 3-POINT HITCH CONTROL OF FRONT 3-POINT HITCH ADJUSTMENT OF LIFTING SPEED OF THE FRONT 3-POINT HITCH The hitch is equipped with two single- It is designed for hitching of front-carried acting hydraulic cylinders supplied with oil Before you start any work with the im- agricultural machines and implement from the additional distributor of hydraulic...
  • Page 24: Hydraulic Locking Of The Front 3-Point Hitch

    HITCHES E461 E466 HYDRAULIC LOCKING OF THE WORKING AND TRANSPORT FRONT 3-POINT HITCH POSITIONS OF THE FRONT 3-POINT HITCH Hydraulic locking of the front 3-point The upper lever of the hydraulic lock hitch can be carried out in any position of valve of the front 3-point hitch is fitted Working position of the front 3- the hydraulic cylinders using valves in...
  • Page 25: Electric Installation

    ELECTRIC INSTALLATION D305 D302 ELECTRIC EQUIPMENT LEAD BATTERY BATTERY DISCONNECTOR The lead battery is located under cover The battery disconnector (1) is installed Nominal voltage, on the left side of the tractor, under the on the left side of the tractor, close to the grounded (minus (-) 12 V cab footboard.
  • Page 26: Fuse Dose (21 Fuses)

    ELECTRIC INSTALLATION Location of the fuses in the Pos. Fuse Protected system fuse dose rating Interrupter of warning lights Stop lights Horn, light beacon Control of front diving axle, control of differential lock, dashboard power supply High beams with indicator Left side marker lights, dashboard illumination, registration plate lights obrysová...
  • Page 27: Planned Technical Maintenance

    PLANNED TECHNICAL MAINTENANCE OILS FOR 4-CYLINDER TURBO-CHARGED ENGINES ZETOR TAB. 1 Producer Commercial name of oil Viscosity class SAE Power class API ÖMV Truck M plus 15W/40 CF-4/SG Truck FE plus 10W/40 CF-4 Truck FE 10W/40 CE/SG Austrotrac 10W/30 Truck LD...
  • Page 28: Recommended Oils For Turbo-Charged Engines According To Ambient Temperature

    PLANNED TECHNICAL MAINTENANCE RECOMMENDED OILS FOR TURBO-CHARGED ENGINES ACCORDING TO AMBIENT TEMPERATURE Ambient temperature Viscosity class SAE Power class API under -7°C 10W/30 CD+, CE, CF-4 10W/40 +30°C to -7°C 15W/30 CD+, CE, CF-4 15W/40 20W/30 20W/40 over +30°C 20W/30 CD+, CE, CF-4 20W/40 20W/50...
  • Page 29: Oils To Geared Mechanisms Of Tractors

    PLANNED TECHNICAL MAINTENANCE OILS TO GEARED MECHANISMS OF TRACTORS TAB. 2 Producer Commercial name of oil Viscosity class SAE Power class API Paramo Pardubice Gyrol - UTTO GL-4 Gyrol - PP80 GL-4 GL-4 • Esso Torque Fluid 62 Koramo Kolín Mogul Trans 80 GL-4 GL-4 ••...
  • Page 30: Oils For Front Output Shafts Zuidberg

    PLANNED TECHNICAL MAINTENANCE OILS FOR FRONT OUTPUT SHAFTS ZUIDBERG TAB. 3 Producer Commercial name of oil Interval of oil replacement Autran DX III Fluid 9 Shell Donax TX Esso ATF E 25131 Castrol Transmax S Elfmatic G2 Syn Elfmatic G3 FINA Finamatic HP Every 450 Mh...
  • Page 31: Maintenance Instructions

    MAINTENANCE INSTRUCTIONS G701 G710 G711 OPENING OF THE FRONT BONNET MAINTENANCE OF THE DRY AIR FUNCTION OF THE INDICATOR OF CLEANER – INDICATOR OF CLOGGING Opening of the bonnet: CLOGGING Unlock the bonnet by pressing the The level of clogging of the air filter is in- pushbutton (1) and lift it in places of the Maintenance of the cleaner shall dicated by position of the slider (1) in the...
  • Page 32: Instructions To Maintenance Of Dry Air Cleaner

    MAINTENANCE INSTRUCTIONS G712 G713 G714 INSTRUCTIONS TO MAINTENANCE REGENERATION OF MAIN AIR REPLACEMENT OF AIR CLEANER OF DRY AIR CLEANER CLEANER CARTRIDGE SAFETY CARTRIDGE Carry out maintenance of the air cleaner Pull out the main cartridge of the dry Pull out the safety cartridge of the dry air as follows: cleaner (2).
  • Page 33: Re-Installation Of Cartridges Of The Air Cleaner

    MAINTENANCE INSTRUCTIONS G715 G720 G735 RE-INSTALLATION OF CARTRIDGES OIL TANK OF HYDROSTATIC REFILLING OF BRAKE FLUID OF THE AIR CLEANER STEERING The tank is installed in the left side of the Carry out this operation in the reverse The tank is installed in the left side of the tractor and accessible after lifting of the order.
  • Page 34: Essential Technical Parameters

    ESSENTIAL TECHNICAL PARAMETERS TECHNICAL SPECIFICATIONS OF ENGINES OF TRACTORS Z 6421 - Z 8441 Type of tractor Z 6421/Z 6441 Z 7421/Z 7441 Z 8421/Z 8441 Type of engine 7205 1105 1205 Engine compression ignition, 4-stroke cycle, direct fuel injection, turbo- charged Engine design in-line, vertical, water-cooled...
  • Page 35: Max. Permitted Loading Of The Front Axle Cararro 20.16 Z 6441, Z 7441, Z 8441 (Kg)

    ESSENTIAL TECHNICAL PARAMETERS Technical specifications of engines of tractors Z 6421 - Z 8441 Type of engine 7205 1105 1205 Valve gear Oil cleaner full-flow, disposable Fuel cleaner single-stage with replaceable cartridge Type of injection pump PP 4M 10P1i 3782 PP 4M 10P1i 3781 PP 4M 10P1i 3780 Type of nozzles...
  • Page 36: Forces

    ESSENTIAL TECHNICAL PARAMETERS FORCES Type of tractor Z 6441 Z 7441 Z 8441 Type of engine 7205 1105 1205 Lifting force at end of lower links of the rear 3-point hitch, within full stroke, at max. usable pressure 26.4 - with one auxiliary cylinder (kN) 34.4 - With two auxiliary cylinders (kN) 41.5...
  • Page 37: Speed Of The Front Output Shaft Zuidberg

    ESSENTIAL TECHNICAL PARAMETERS SPEED OF THE FRONT OUTPUT SHAFT ZUIDBERG Direction of Speed of the output shaft / speed of engine Speed of the output shaft / speed of engine rotation right (a) 1,000 / 1,920 1,146 / 2,200 ∗left (b) 1,000 / 2,000 1,100 / 2,200 ∗...
  • Page 38: Index

    INDEX Hitch CBM for single-axle trailers Acquaintance with the tractor Hitches Adjustment of lifting speed of the front 3-point hitch Hydraulic equipment Aggregation hole, rear right panel Hydraulic locking of the front 3-point hitch Air cleaner Automatic guide mouth of the multi-storey hitch CBM Instructions to maintenance of dry air cleaner >31/03/2007 Automatic guide mouth of the multi-storey hitch CBM...
  • Page 39 Re-installation of cartridges of the air cleaner Oil tank of hydrostatic steering Replacement of air cleaner safety cartridge Oils for 4-cylinder turbo-charged engines Zetor Reversible switches, switches and levers Oils for front output shafts Zuidberg Oils to geared mechanisms of tractors...
  • Page 40 Supplement to the operation and maintenance manual for tractors Proxima Z 6421. Z 6441 Z 7421, Z 7441 Z 8421, Z 8441 Issue: 2-100-2007 Publication no.: 22.22.12.445 Zetor a.s. Department of technical documentation Trnkova 111 632 00 Brno...

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