Part of the Case IH Repair Manuals.
Every one of these 765 pages targets the Case IH JX55T and JX75T Tier 1 engine tractors, both 2WD and 4WD variants, in a single OEM factory service manual (OEM #47899738). Open it to complete hydraulic schematics tracing every circuit from the fixed displacement pump through the main control valve, remote valves, and main lift system. You also get full electrical wiring diagrams for harnesses, the starting system, alternator, battery, and warning indicators, backed by a full troubleshooting section, factory torque tables, and page after page of exploded views spanning engine, transmission, front and rear axles, PTO, brakes, and steering. Torque the injection pump shaft gear nut to 64 N·m, then check your transmission clutch plate thickness at 8.800 to 9.600 mm before reassembly. No more hunting forum posts for specs that may not match your machine. Grab the bookmarked PDF, search any spec by keyword, and get back to work.
Complete the set for your JX55T, JX75T Tier 1
- Operator Manual: Case IH JX55T, JX75T Tractor Operator Manual
What's Inside This Case IH JX55T, JX75T Tier 1 Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 7-22 | Foreword, Safety Rules |
| Engine - 10 | 23-214 | 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 | 215-246 | Clutch and Components |
| Transmission - 21 | 247-310 | Mechanical Transmission, Mechanical Transmission Internal Components, Gearbox External Controls, Gearbox Internal Components |
| Four-Wheel Drive (4WD) System - 23 | 311-326 | Drive Shaft |
| Front Axle System - 25 | 327-390 | Non-Powered Front Axle, Powered Front Axle, Front Bevel Gear Set and Differential, Final Drive Hub, Steering Knuckles, And Shafts |
| Rear Axle System - 27 | 391-444 | Powered Rear Axle, Rear Bevel Gear Set and Differential, Planetary and Final Drives |
| Power Take-Off (PTO) - 31 | 445-466 | Rear Mechanical Control, Power Take-Off Drive Shaft |
| Brakes and Controls - 33 | 467-494 | Mechanical Service Brakes, Parking Brake or Parking Lock |
| Hydraulic Systems - 35 | 495-600 | Fixed Displacement Pump, Main Control Valve, Remote Control Valves, Main Lift System |
| Steering - 41 | 601-672 | Steering Control, Hydraulic Control Components, Cylinders |
| Wheels - 44 | 673-680 | Front Wheels |
| Electrical Systems - 55 | 681-763 | Electrical System, Harnesses and Connectors, Engine Starting System, Alternator, Battery, External Lighting, Warning Indicators, Alarms |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Hydraulic system adjustment procedures | Described for position control, maximum lift arm travel, draft control spring, and lift-o-matic control | p. 591 |
| Nut, injection pump shaft gear (C9) torque | 64 N·m (566 lb in) | p. 27 |
| Nuts, injection pump to support (C10) torque | 23 N·m (204 lb in) | p. 27 |
| Transmission clutch plate thickness | 8.800 – 9.600 mm (0.346 – 0.377 in) | p. 218 |
| Power Take-Off (PTO) clutch plate thickness | 8.300 – 8.900 mm (0.326 – 0.350 in) | p. 218 |
| Engine oil filter replacement interval | Every 300 working hours | p. 202 |
| Hydraulic pump maximum rated output | 32.800 L/min (8.665 US gpm) | p. 508 |
| Hydraulic pump output at 1450 RPM and 166 bar (new or reconditioned) | 19.100 L/min (5.046 US gpm) | p. 508 |
| High oil consumption definition | In excess of 0.4% of the total fuel used over the same period, i.e. 0.4 of a liter of engine oil to 100 liters of fuel | p. 194 |
| Oil consumption threshold for service repair action | Below 0.4% | p. 197 |
| JX75T | ||
| JX75T Engine Power | 75 Hp | p. 26 |
| JX55T | ||
| JX55T Engine Power | 55 Hp | p. 26 |

















