Part of the Case IH Repair Manuals.
Need the Case IH Farmall 40, 45, and 50 repair manual PDF from the factory itself? All 1,414 pages of OEM publication #87473193 are split across 14 system-specific sections, covering both the 12×12 synchronized shuttle transmission and the hydrostatic variant, plus engine, clutch, FWD front axle, differential, PTO, brakes, steering, climate control, and platform procedures. Inside: hydraulic schematics with complete fluid routing, a dense wiring section packed with electrical diagrams, system-by-system troubleshooting for every drivetrain and control circuit, and page after page of torque charts. Set injection pump timing to 20-22° BTDC; torque the HST port block bolts to 70.6 N·m (52 ft-lbs): your factory numbers, not forum estimates. Your machine is down. Bookmarked and keyword-searchable, this PDF opens on any device; grab your tablet and get back to work.
Complete the set for your Farmall 40/45/50
- Operator Manual: Case IH Farmall 40, 45, 50 Tractors Operator Manual (incl. Wiring)
What's Inside This Case IH Farmall 40/45/50 Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 53-102 | Introduction, Precautionary Statements (Personal Safety, Machine Safety, Information), Technical Information (Hardware, Safety), Decals -- Farmall 40, 45 |
| Engine | 103-240 | Specifications, Metric Bolt Torque Specifications, Special Tools, Compression Test and Tools, Operation, Troubleshooting, Cylinder Head and Valve Train Components |
| Clutch | 241-270 | Specifications, Bolt Torques, Special Tools, Operation, Troubleshooting |
| Transmission | 271-342 | Specifications, Metric Bolt Torque Specifications, Special Tools, Operation (Cross Section -- 12 X 12 Transmission, Powerflow), Troubleshooting |
| FWD Front Axle | 343-366 | Specifications (Front to Rear Axle Ratio), Bolt Torque Specifications, Special Tools, Operation -- FWD Front Axle, Troubleshooting |
| Differential, Rear Axle | 367-398 | Specifications, Bolt Torque Specifications, Special Tools, Operation (Differential, Differential Lock, Rear Axle), Overhaul (Differential, Drive Pinion, Rear Axle, Final Pinion) |
| Hydrostatic Transmission | 399-482 | Specifications, Metric Bolt Torque Specifications, Special Tools |
| Power Take-Off (PTO) Systems | 483-556 | Specifications (PTO: Hydraulic System, Clutch), Metric Bolt Torque Specifications, Special Tools, Operation (Rear PTO, Hydraulic Fluid Flow), Troubleshooting |
| Brakes | 557-568 | Specifications, Bolt Torque Specifications, Operation (Brakes, Park Brake), Overhaul (Brakes) |
| Hydraulic System | 569-640 | Hydraulic System Operation, Pump Service, Lift System, Remote Control Valves, Cylinder Service, Troubleshooting |
| Steering | 641-684 | Specifications (Power Steering System), Metric Bolt Torque Specifications, Special Tools (Power Steering Pump, Steering Cylinder -- FWD, Power Steering Operation -- FWD) |
| Climate Control | 685-760 | Specifications (Compressor, Refrigerant, Refrigerant Oil, Low Pressure Switch, High Pressure Switch), Special Tools |
| Electrical | 761-1308 | Bolt Torque Specifications |
| Platform | 1309-1414 | Hood (Removal, Installation), Rear Hood Side Panels (Removal, Dash Console (Removal, Seat -- Gear Models (Removal |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| HST Port Block Retaining Bolts Torque | 70.6 N⋅m (52 ft-lbs) | p. 402 |
| Fuel Injection Pump Timing (Before TDC) | 20 -- 22° | p. 203 |
| Fuel Injection Pump Timing (Piston Height at Injection: Start BTDC) | 3.539 -- 4.267 mm (0.1393″ -- 0.1680″) | p. 203 |
| No. of Brake Discs | 3 | p. 558 |
| Total Brake Disc Thickness | 4 mm (0.158 in.) | p. 558 |
| Lift Cylinder Diameter | 80 mm (3.155 in.) | p. 572 |
| Theoretical Displacement of the Charge Pump | 6.2 cm3/rev | p. 402 |
| Charge Pressure | 8.8 bar (128 psi) at 2600 rpm | p. 402 |
| Low power (Possible Cause) | Valve pressure setting too low | p. 416 |
| Low power (Remedy) | Replace high pressure relief valves or replace port block as required | p. 416 |
| Implement fails to lift when lever is in raised position (Possible Cause) | Linkage out of adjustment | p. 586 |
| Implement fails to lift when lever is in raised position (Remedy) | Adjust external and internal linkage | p. 586 |
