Part of the Case IH Repair Manuals.
All 767 pages of this Case IH JX55T, JX75T Service Manual (OEM #47899737) are built around one job: factory-level repair of your tractors. Inside, you get hydraulic schematics with full fluid routing through the fixed displacement pump, main control valve, and remote control valves, plus wiring diagrams tracing every harness, connector, alternator circuit, and warning indicator in the electrical system. A deep troubleshooting section, exploded views of the front and rear axle assemblies, PTO drive shaft, planetary finals, and a full clearances chapter round out the coverage. Torque the cylinder head bolts to 40 N·m, then add 125–135° and a second 135–145° pass; pull the main bearing cap figure at 80 N·m plus 90°. Your machine is down. Get the factory answer on the first try, not a forum guess. Bookmarked and keyword-searchable; pull it up on any device and start wrenching.
Complete the set for your JX55T–JX75T
- Operator Manual: Case IH JX55T, JX75T Tractor Operator Manual
What's Inside This Case IH JX55T–JX75T Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 7-22 | Foreword, Safety Rules |
| Engine - 10 | 23-218 | Engine and Crankcase, Pan and Covers, Valve Drive and Gears, Cylinder Heads, Connecting Rods and Pistons, Crankshaft and Flywheel, Balancer and Damper, Fuel Injection System |
| Clutch - 18 | 219-250 | Clutch and Components |
| Transmission - 21 | 251-314 | Mechanical Transmission, Mechanical Transmission Internal Components, Gearbox External Controls, Gearbox Internal Components |
| Four-Wheel Drive (4WD) System - 23 | 315-330 | Drive Shaft |
| Front Axle System - 25 | 331-394 | Non-Powered Front Axle, Powered Front Axle, Front Bevel Gear Set and Differential, Final Drive Hub, Steering Knuckles, And Shafts |
| Rear Axle System - 27 | 395-448 | Powered Rear Axle, Rear Bevel Gear Set and Differential, Planetary and Final Drives |
| Power Take-Off (PTO) - 31 | 449-470 | Rear Mechanical Control, Power Take-Off Drive Shaft |
| Brakes and Controls - 33 | 471-498 | Mechanical Service Brakes, Parking Brake or Parking Lock |
| Hydraulic Systems - 35 | 499-604 | Hydraulic Systems, Fixed Displacement Pump, Main Control Valve, Remote Control Valves, Main Lift System |
| Steering - 41 | 605-676 | Steering Control, Hydraulic Control Components, Cylinders |
| Wheels - 44 | 677-684 | Front Wheels |
| Electrical Systems - 55 | 685-765 | Electrical System, Harnesses and Connectors, Engine Starting System, Alternator, Battery, External Lighting, Warning Indicators, Alarms |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Bolt, cylinder head (C1) torque | 40 N·m (354 lb in) + (125 – 135°) + (135 – 145°) | p. 27 |
| Bolt, main bearing caps (C2) torque | 80 N·m (708 lb in) + 90° | p. 27 |
| Injectors Make | MICO BOSCH | p. 138 |
| Nozzle holder | KBEL 83S352 260 (apa) | p. 138 |
| Pump gear journal dia | 17.400 – 17.418 mm (0.685 – 0.686 in) | p. 512 |
| Journal housing bore dia. in bearing | 17.450 – 17.470 mm (0.687 – 0.688 in) | p. 512 |
| Transmission plate thickness | 8.800 – 9.600 mm (0.346 – 0.377 in) | p. 222 |
| Power Take-Off (PTO) plate thickness | 8.300 – 8.900 mm (0.326 – 0.350 in) | p. 222 |
| Air cleaner maintenance | Clean or renew element | p. 52 |
| Lift piston working clearance | 0.036 – 0.091 mm (0.001 – 0.004 in) | p. 551 |
| Lift cylinder O-ring replacement | Replace the O–ring and back–up ring by new square seal | p. 598 |
| Lip seals replacement | Check lip seals (1) and (2) and replace if necessary | p. 442 |
