Jacobsen TURFCAT-623D Setup, Parts & Maintenance Manual
Jacobsen TURFCAT-623D Setup, Parts & Maintenance Manual

Jacobsen TURFCAT-623D Setup, Parts & Maintenance Manual

2wd axle us

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SETUP, PARTS & MAINTENANCE
MANUAL TURFCAT 600 SERIES
Model:
946718
TURFCAT - 623D 2WD AXLE US
946719
TURFCAT - 628D 2WD AXLE US
WARNING: If incorrectly used this machine can cause severe injury. Those who use
and maintain this machine should be trained in its proper use, warned of its dangers
and should read the entire manual before attempting to set up, operate, adjust or
service the machine.
FOR USE WITH OPERATION & SAFETY MANUAL 4114896
4114895 REV B

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Jorge
April 14, 2025

How to put the front belt together

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Bridget Goss
April 16, 2025

I have a customer with a jacobson turfcat 623D w/ Kubota engine D905. We are looking for a Head, head gasket, thermostat, thermostat gasket, and exhaust gasket. Can you tell me where to find those items?

Summary of Contents for Jacobsen TURFCAT-623D

  • Page 1 SETUP, PARTS & MAINTENANCE MANUAL TURFCAT 600 SERIES Model: 946718 TURFCAT - 623D 2WD AXLE US 946719 TURFCAT - 628D 2WD AXLE US WARNING: If incorrectly used this machine can cause severe injury. Those who use and maintain this machine should be trained in its proper use, warned of its dangers and should read the entire manual before attempting to set up, operate, adjust or service the machine.
  • Page 2 CALIFORNIA WARNING Proposition 65 Warning The engine exhaust from this product Diesel engine exhaust and some of contains chemicals known to the State its constituents are known to the State of California to cause cancer, birth of California to cause cancer, birth defects or other reproductive harm.
  • Page 3: Table Of Contents

    Your safe use of this Jacobsen product is one of our prime design objectives. Many safety features are built in, but we also rely on your good sense and care to achieve accident-free operation. For best protection, study the manuals thoroughly.
  • Page 4: Safety

    600 Series SAFETY Turfcat Tractors NOTICE !!! This symbol means: ATTENTION! Unauthorized modifications may present extreme BECOME ALERT! safety hazards to operators and bystanders and could also result in product damage. Your safety and the safety of others is involved. Textron Golf, Turf &...
  • Page 5: Assembly & Setup

    600 Series ASSEMBLY & SETUP Turfcat Tractors All references to "right" or "left" or "front" or "rear" are with respect to an operator in the tractor seat. TRACTOR ASSEMBLY 1. STEERING WHEEL ATTACHMENT – Attach the steering wheel to the shaft by lining up holes R in each and inserting the roll pin.
  • Page 6 600 Series ASSEMBLY & SETUP Turfcat Tractors 3. SEAT ATTACHMENT a) Spring suspension seat – Make sure the seat is bolted securely to the suspension spring. – Bolt the suspension spring securely to the center of the seat plate using hardware provided in the tractor loose parts bag.
  • Page 7 600 Series ASSEMBLY & SETUP Turfcat Tractors CUTTERDECK ASSEMBLY & SETUP 1. CASTER WHEELS a) Uncrate the deck. Remove the casters from deck mounting plates P. Reassemble to the mounting plates with reference to the height of cut chart on the deck cover or in the cutterdeck section of this manual. b) Place blocks under the rear of the deck so that the bottom edge is approximately parallel with the ground.
  • Page 8 600 Series ASSEMBLY & SETUP Turfcat Tractors 3. PREPARE PTO SHAFT SECTIONS a) Pull apart the two sections of the PTO drive shaft. NOTE: The PTO shaft and tube sections fit together only one way, with a blocked off area between two external splines fitting into a missing spline in the tube.
  • Page 9 600 Series ASSEMBLY & SETUP Turfcat Tractors 5. ATTACH LIFT CHAINS TO DECK a) Verify that the bottom link of the deck chains reach the deck bracket mounting holes. If not, the deck cylinder may need to be further lowered with the tractor lift lever or the chains checked for routing problems.
  • Page 10 600 Series ASSEMBLY & SETUP Turfcat Tractors 8. WEIGHT TRANSFER SPRINGS Secure the weight transfer springs as follows to allow them to rotate during normal deck operation: a) Start the engine and fully raise the deck. Support it by hooking the deck latch to the frame floor board.
  • Page 11: Maintenance

    600 Series MAINTENANCE Turfcat Tractors SERVICE NOTES: – Verify cutterdeck belt tension at the first 5,10 and 15 hours of operation. – Change engine oil, hydraulic oil and both filters after first 50 hours of operation. – Change differential fluid after first 100 hours of operation. i t - t n I c i l...
  • Page 12 600 Series MAINTENANCE Turfcat Tractors Arrows show lubrication points. o l l t i l o l l t i l o l l t i l t i l...
  • Page 13 600 Series MAINTENANCE Turfcat Tractors CLEAN MACHINE The cooling system must be checked and cleaned daily to prevent engine overheating (more often under especially dirty conditions). Procedure: 1. Remove radiator screen S. 2. Clean the radiator, oil cooler and radiator screen of any grass chaff or debris using compressed air.
  • Page 14 600 Series MAINTENANCE Turfcat Tractors HYDRAULIC SYSTEM General procedures: – Lower implements attached to lift arms to relieve hydraulic pressure from system before servicing. – When servicing hydraulic pipe fittings, do not use teflon tape. Use a liquid sealant that will dissolve into system.
  • Page 15 600 Series MAINTENANCE Turfcat Tractors ENGINE OIL See Engine Manual for manfacturer's recommendations. Before using the machine for the first time, check the oil level in the engine crankcase with crankcase dipstick D. When checking oil level, make sure the machine is on level ground.
  • Page 16 600 Series MAINTENANCE Turfcat Tractors AIR CLEANER Clean and replace the air cleaner element as specified in the service chart. Uneven running, lack of power or black exhaust fumes may indicate a dirty air cleaner. To replace diesel engine air cleaner element: 1.
  • Page 17 600 Series MAINTENANCE Turfcat Tractors WATER FUEL SEPARATOR The machine is equipped with a water fuel separator that traps water in the fuel. If the water is not removed from the fuel system, extensive damage can occur in the fuel injection system. Water will collect at the bottom of the see-through bowl A and appears a different color than the fuel.
  • Page 18 600 Series MAINTENANCE Turfcat Tractors FUEL FILTER 1. To change the fuel filter only, first remove the see- through water separator bowl. See water fuel separator procedure on the previous page. 2. Remove the large black retaining ring G. 3. Pull the filter element straight down. Do not twist as the filter element is not threaded.
  • Page 19: Parts Section

    600 Series PARTS SECTION Turfcat Tractors PARTS SECTION...
  • Page 20: Frame & Front Axle Assembly

    600 Series FRAME & FRONT AXLE ASSEMBLY Turfcat FIGURE 1 Tractors...
  • Page 21 600 Series FRAME & FRONT AXLE ASSEMBLY Turfcat FIGURE 1 Tractors 4114895-1 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 2721872 S FRAME RAIL RH 700 2196132.6 WLDMT-FRAME, REAR 2721783 S FRAME RAIL LH 700 2721874 S FRAME FRONT W/LABS 2721812.7 MNT-IDLER BRKT 108138-02 TUBE CLAMP,.94 64205-003 BLT-MET M8-1.25X30...
  • Page 22: Rear Axle Assembly

    600 Series REAR AXLE ASSEMBLY Turfcat FIGURE 2 Tractors...
  • Page 23 600 Series REAR AXLE ASSEMBLY Turfcat FIGURE 2 Tractors 4114895-2 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 64205-007 BLT-MET M10-1.5X20 2-32 64187-03 WHEEL NUT 1/2-20 800488 LOCKWASHER M10 2-33 48043-03C S CUP,OUTER BEARING 64163-17 25/64X2X11 GA WSHR 2-34 35027N ZERK FITTING 62464-4A WASHER-THRUST...
  • Page 24: Engine Mounting 623D & 628D

    600 Series ENGINE MOUNTING 623D & 628D Turfcat FIGURE 3 Tractors...
  • Page 25 600 Series ENGINE MOUNTING 623D & 628D Turfcat FIGURE 3 Tractors 4114895-3 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 2721362.7 MOUNT-ENGINE RR 2721429.7 MNT-ENGINE RH * 2721506 ENGINE-KUBOTA D905-EB 1 (USED ON MODEL 946718) 2812022 ENGINE PARTS MANUAL 2198132 MOUNT-ISOLATION 2721428.7 MOUNT-ENGINE L 2721363.7 MOUNT-ENGINE LR...
  • Page 26: Radiator Mounting

    600 Series RADIATOR MOUNTING Turfcat FIGURE 4 Tractors...
  • Page 27 600 Series RADIATOR MOUNTING Turfcat FIGURE 4 Tractors 4114895-4 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 64205-018 BLT-MET M8-1.25X15 4-45 64163-03 WSHR-.256IDX.62ODX18GA 4 64251-003 WASHER-M8 4-46 64229-01 LOCKNUT-NYLON 1/4-20 2196132.6 WLDMT-REAR FRAME 4-47 198069-02 S-HOSE AIR CLEANER 64237-05 LOCKNUT-NYL M8-1.25 142350-01 BRKT-RECOVERY TNKLH 142350-02 BRKT-RECOVERY TNKRH CAP-OVERFLOW...
  • Page 28: Fuel Separator/Air Cleaner

    600 Series FUEL SEPARATOR/AIR CLEANER Turfcat FIGURE 5 Tractors...
  • Page 29 600 Series FUEL SEPARATOR/AIR CLEANER Turfcat FIGURE 5 Tractors 4114895-5 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 48383 CLAMP HOSE 2-1/2 DIA 198069-02 HOSE-AIR CLEANER IN 2198297 CLAMP-AIR CLEANER 2721526 HOSE-AIR CLEANER 64163-29 WASHER 2208033 MUFFLER 2192609.7 BRACKET-FILTER 64205-015 BLT-MET M8-1.25X35 2198147-04 S COVER CLIP 5-10 118017...
  • Page 30: Transmission/Differential

    600 Series TRANSMISSION/DIFFERENTIAL Turfcat FIGURE 6 Tractors...
  • Page 31 600 Series TRANSMISSION/DIFFERENTIAL Turfcat FIGURE 6 Tractors 4114895-6 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 833904 SPRING 6-47 64205-036 BLT-MET M10-1.5X35 64123-80 BLT-HEX 1/4-20 X 1-1/4 6-48 64123-02 BLT-HEX 3/8-24 X 1 64141-2 NUT-WLF 1/4-20 6-49 142070 WASHER, CLUTCH 196006.7 WLDMT-IDLER ARM 6-50...
  • Page 32: Pedal Controls

    600 Series PEDAL CONTROLS Turfcat FIGURE 7 Tractors...
  • Page 33 600 Series PEDAL CONTROLS Turfcat FIGURE 7 Tractors 4114895-7 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 810149 BUMPER-RUBBER 7-51 64123-89 BLT-HEX 1/4-20 X 3/4 4117819 BEARING-PILLOW BLOCK 7-52 64061-04 ROLL PIN-1/8X 3/4 4114282 S HEEL SUPPORT W/MAT 7-53 2721947.7 ARM BRAKE 64139-02 BLT-WLF 1/4-20 X 1/2 7-54...
  • Page 34: Lift Cylinder Mounting

    600 Series LIFT CYLINDER MOUNTING Turfcat FIGURE 8 Tractors...
  • Page 35 600 Series LIFT CYLINDER MOUNTING Turfcat FIGURE 8 Tractors 4114895-8 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 198042 VALVE-HYDRAULIC (USE SEAL KIT 198042-01) 68156A HANDLE-KNOB, BLACK 64001-6 JAM NUT-3/8-16 2196138.7 WLDMT-LIFT LEVER 192087.7 BRKT-LIFT PIVOT MNT 64141-6 NUT-WLF 5/16-18 64163-31 WSHR-25/64X12 GA 64123-16...
  • Page 36: Hood Assembly

    600 Series HOOD ASSEMBLY Turfcat FIGURE 9 Tractors...
  • Page 37 600 Series HOOD ASSEMBLY Turfcat FIGURE 9 Tractors 4114895-9 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 2721979 S HOOD ASSY W/LABS 9-44 48310 S-BUSHING FUEL TANK 2198259 TANK-HYD 700 9-45 A1103051 BOLT M8X25 2721697.6 WLDMT-RADIATOR MNT 9-46 64006-02 LOCKWASHER 5/16 64123-224 BOLT-HEX 1/4-20X1 9-47 64251-003 WASHER M8...
  • Page 38: Seat & Platform Assembly

    600 Series SEAT & PLATFORM ASSEMBLY Turfcat FIGURE 10 Tractors...
  • Page 39 600 Series SEAT & PLATFORM ASSEMBLY Turfcat FIGURE 10 Tractors 2722080-12 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 10-1 198066 ARM REST ASSY-RH 10-33 148057-01 CABLE-THROTTLE 10-2 198057 SEAT 10-34 64152-49 10-24 X 3/4 MACH SCRW SEAT KITS AVAILABLE: 10-35 64209-01 CONICAL SPRING WASH...
  • Page 40: Steering

    600 Series STEERING Turfcat FIGURE 11 Tractors...
  • Page 41 600 Series STEERING Turfcat FIGURE 11 Tractors 4114895-11 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 11-1 839862 DECAL, STEERING WHL 11-2 2198130 STEERING WHEEL 11-3 64123-55 BLT-HEX 5/16-18X55 11-4 64163-29 WSHR-.321-.328X11 GA 11-5 2198134 SPACER TUBE 11-6 148034-06 GROMMET 11-7 64151-15 NUT-HEX 5/16-18...
  • Page 42: Instrument Panel

    600 Series INSTRUMENT PANEL Turfcat FIGURE 12 Tractors...
  • Page 43 600 Series INSTRUMENT PANEL Turfcat FIGURE 12 Tractors 2722080-10 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 12-1 188015 OIL PRESSURE LENS 12-2 2198088 LENS-BATTERY 12-3 2198089 LAMP HOLDER (INCLUDES TWO 178092-22 LAMPS) 12-4 148032 GAUGE-FUEL 12-5 148269 GAUGE-TEMP 12-6 48517-02 HOLE PLUG .625 12-7...
  • Page 44: Hydraulic Diagram

    600 Series HYDRAULIC DIAGRAM Turfcat FIGURE 13 Tractors...
  • Page 45 600 Series HYDRAULIC DIAGRAM Turfcat FIGURE 13 Tractors 4114895-13 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 13-1 4118636 CYLINDER-LIFT 13-2 198042 VALVE-HYDRAULIC 13-3 148132 HYDROST STEER GEAR 13-4 2198259 TANK-HYDRAULIC 700 13-5 2198196 TRANSMISSION-EATON 13-6 118017 FILTER ELEMENT 10 MIC. 13-7 148354 HEAD-FILTER...
  • Page 46: Traction Assist Brakes-970212

    600 Series TRACTION ASSIST BRAKES-970212 Turfcat FIGURE 14 Tractors...
  • Page 47 600 Series TRACTION ASSIST BRAKES-970212 Turfcat FIGURE 14 Tractors 4114895-14 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 14-1 2722151 WLDMT-BRAKE SHAFT RH 1 14-2 64061-25 ROLL PIN 1/4X1 1/4 14-3 2721946 ROD-BRAKE 14-4 108105 BEARING 3/4 ID FLANGE 14-5 142034.7 SUPPORT-BEARING 14-6...
  • Page 48: Fuel Diagram

    600 Series FUEL DIAGRAM Turfcat FIGURE 15 Tractors...
  • Page 49 600 Series FUEL DIAGRAM Turfcat FIGURE 15 Tractors 4114895-15 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 15-1 64152-05 #10-32X1/2 MACH SCRW 15-2 64002-02 LCKWSHR-TOOTH,EXT,#10 5 15-3 148081 GASKET 15-4 2198091 BOOT-FUEL SENDER 15-5 2208073 SENDER-FUEL LEVEL 15-6 2198188 TANK-FUEL 700 15-7 2690023 FTNG-5/16 ELBW 90 DEG...
  • Page 50: Electrical Diagram 723D & 728D

    600 Series ELECTRICAL DIAGRAM 623D & 628D Turfcat Tractors FIGURE 16...
  • Page 51 600 Series ELECTRICAL DIAGRAM 623D & 628D Turfcat FIGURE 16 Tractors 4114895-16 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 16-1 64207-06 NUT-HEX M6-1 16-25 2188154 MODULE-DELAY 16-2 148074 BATTERY-BCI 26 64206-13 BLT-MET M5 .8X12 16-3 2721549 CABLE-BATTERY NEG 64237-01 LOCKNUT-NYLON M5X0.8 16-4 2722287-02 CABLE-BATTERY POS...
  • Page 52: Eaton M-11 Transmission

    600 Series EATON M-11 TRANSMISSION Turfcat FIGURE 17 Tractors...
  • Page 53 600 Series EATON M-11 TRANSMISSION Turfcat FIGURE 17 Tractors 2197134 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION EATON M-11 TRANSMISSION P/N 2198196 PARTS SERVICED BY RANSOMES. 17-1 2198110-1 SHCS 17-2 2198110-2 SHCS 17-3 (SEE ITEM 4) 17-4 2198110-5 CHARGE PUMP (INCLUDES ITEMS: 3,6, &...
  • Page 54: Differential Breakdown

    600 Series DIFFERENTIAL BREAKDOWN Turfcat FIGURE 18 Tractors...
  • Page 55 600 Series DIFFERENTIAL BREAKDOWN Turfcat FIGURE 18 Tractors 2197135 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 18-1 2198232 DIFFERENTIAL AXLE 18-65 893776 HOUSING,RIGHT W/BRG 1 18-66 198020 HYDROSTAT HSG ADAPT 1 18-5 304636 PIN, COTTER 1/8X1-1/8 18-68 885114 WORM, COMPLETE 18-11 805843 NUT, 5/8-18 CASTLE...
  • Page 56: Miscellaneous Options

    600 Series MISCELLANEOUS OPTIONS Turfcat FIGURE 19 Tractors...
  • Page 57 600 Series MISCELLANEOUS OPTIONS Turfcat FIGURE 19 Tractors 4114895-19 ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 19-1 970078 ATT-2 POST ROPS 700) 19-2 148098 S-SPARK ARRESTOR (970114 KIT-TIE DOWN BRACKETS INCLUDES: ITEMS 4,5, & 6) 19-3 64237-06 LCKNT-NYLON M12 19-4 2192506.7 BRKT-TIE DOWN 19-5...
  • Page 58: Decals

    600 Series DECALS Turfcat FIGURE 20 Tractors...
  • Page 59 LABEL, THROTTLE 20-13 2000673 DECAL - OP MAN/TIRES 20-14 00225 DECAL, FWD/REV 20-15 2721820 LABEL-BLUE STRIPE 20-16 2000731 LABEL-RELIEVE SPRING 20-17 3007505 DECAL-JACOBSEN 20-18 2000723 LABEL-PARTS ROTATE 20-19 2000726 LABEL-FAN ROTATE 20-20 2000761 LABEL-SERVICE CHART 20-21 2198136 MAT-FENDER LH 20-22 3007513...
  • Page 60: Electrical Schematic

    600 Series ELECTRICAL SCHEMATIC Turfcat FIGURE 21 Tractors 2722203-25...
  • Page 61: Hydraulic Schematic

    600 Series HYDRAULIC SCHEMATIC Turfcat FIGURE 22 Tractors 2722318-22...

This manual is also suitable for:

Turfcat-628d

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