Rebuild the driveline and hydraulics on Ford's articulated four-wheel drives with this Ford FW-20, FW-30, FW-40, FW-60 repair manual PDF, the 428-page factory publication SE 3920 covering all four tractors in the series. Hydraulic troubleshooting takes up roughly the back half of the book, walking you from system principles through contamination, overheated oil, poor implement response, and steering circuit diagnosis, with schematics and full service coverage of the Steiger hydrostatic pump and PTO motor rotating groups. Electrical block schematics trace the bulkhead connectors and the Murphy shutdown switch, while separate troubleshooting charts handle the clutch, transmission, transfer case, and axles. Set release bearing clearance at 1/2 inch (12.7 mm), and condemn a valve spool once leakage passes 16 cc per minute at 1000 PSI. A dead FW in planting season costs you acres by the hour. Buy this bookmarked, text-searchable PDF once and it stays yours for the life of the tractor.
What's Inside This Ford FW-20, FW-30, FW-40, FW-60 Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| Operation and Maintenance | 9-10 | Steiger Angle-Spring Clutches, Flywheel, Clutch Release Bearing, Clutch Brake, Clutch Master Cylinder, Slave Cylinder |
| Parts Identification | 11-12 | " Clutch Parts Identification |
| Removal and Disassembly | 13-18 | Clutch Adjustment |
| Clutch Brake Installation | 19-27 | Torque-Limiting Clutch Brake, Clutch Removal, Spacer Blocks |
| Inspection | 28-30 | Release Levers, Driven Discs |
| Reassembly | 31-35 | Clutch Assembly, Shifter Housing, Drive Gear, Countershafts, Differential Carrier, Wheel Hub |
| Alignment | 36-38 | Worn Housings, Engine Flywheel Housing Face |
| Installation | 39-44 | Pre-Installation Checks, Installing 15.50" Clutch on Flywheel, Installation of Transmission |
| Specifications | 45 | Clutch Dimensions, Bell Housing Size, Torque Requirements, O-Ring Dimensions, Gear Ratios, Bearing Clearances |
| Clutch Troubleshooting | 46-48 | Poor Release, Clutch Slippage, Noisy Clutch |
| Transmission Troubleshooting | 49-72 | Noise in Gear, Oil Leaks, Walking Out of Gear, Hard Shifting, Bearing Failures |
| Two Speed Transfer Case Troubleshooting | 73-100 | Jumping Out of Gear, Hard Shifting, Excessive Noise, Oil Leakage, Overheating |
| Axle Troubleshooting | 101-140 | Axle Assembly, Wheel Hub Disassembly, Differential Carrier Assembly, Torque Values |
| Electrical System Schematics | 141-152 | Electrical Block Schematic, Bulkhead Connectors, Murphy Type Shutdown Switch |
| Steiger Hydrostatic PTO Motor Service | 153-176 | Hydrostatic Motor Disassembly, Rotating Group, Valve Block, Cylinder Barrel |
| Steiger Hydrostatic Pump Service | 177-212 | Pump Disassembly, Control Valve, Charge Pump, Rotating Group, Failure Analysis |
| Hydraulics Troubleshooting and Diagnosis | 213-428 | System Principles, Contamination, Overheated Oil, Poor Implement Response, Steering Circuit Response, Hydraulic Pump Failures |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Clutch release bearing clearance | 1/2 inch (12.7 mm) | p. 14 |
| Clutch cross shaft clearance | 1/8 inch (3.175 mm) | p. 13 |
| Release Sleeve Bushing Dia. (new) | 2.010/2.008 inches | p. 45 |
| lining material surface thickness limit | 1/16 inch (1.58 mm) | p. 132 |
| Maximum spool leakage rate | 16 CC's per minute at 1000 PSI | p. 305 |
| Clutch mounting bolt torque | 35-40 ft. lbs. | p. 40 |
| Clutch brake torque limit | 25-30 ft. lbs. | p. 19 |
| Countershaft locknut torque | 550-600 ft. lbs. | p. 63 |
| Mainshaft locknut torque | 550-600 ft. lbs. | p. 64 |
| Differential case bolt torque | 135-155 ft. lbs. | p. 112 |
| Ring gear bolt nut torque | 190-200 ft. lbs. | p. 112 |
| Pinion bearing preload (spring scale pull) | 5-11 lbs. | p. 113 |
Ford FW-20, FW-30, FW-40, FW-60 Common Problems This Manual Covers
Ford FW-30 clutch slips under heavy pull, pedal engages high, release feels rough after linkage wear
Check clutch free travel first. Set the release bearing clearance to 1/2 inch (12.7 mm) using the procedure on page 14, and hold 1/8 inch (3.175 mm) clearance at the cross shaft. If slippage continues, work through the clutch troubleshooting chart starting on page 46 and inspect the driven discs for glazing.
Manual Section: Clutch Troubleshooting p. 46Brake sticks on after stopping, tractor pulls hard to one side when braking
Remove the wheel and check the brake actuator and linkage for seizing or contamination; clean and free every pivot point. Measure the lining: if surface material is down to the 1/16 inch (1.58 mm) limit shown on page 132, replace it. Reassemble and road test before the next field pass.
Manual Section: Axle Troubleshooting p. 132Remote hydraulics slow, lift arms catch or bind, implement won't raise smoothly under load
Check the lift linkage for binding where the arms pass the frame; free and adjust it before blaming the pump. Then test the implement control valve: spool leakage above 16 CC's per minute at 1000 PSI, the limit on page 305, means the valve needs repair. Full test procedures start on page 213.
Manual Section: Hydraulics Troubleshooting and Diagnosis p. 305Transmission walks out of gear under load, hard shifting between ranges, sticks in gear
Check the shift rails and detents for wear, following the transmission troubleshooting chart that starts on page 49. Torque the countershaft locknuts to 550-600 ft. lbs. (745.8-813.6 Nm) per page 63 and the mainshaft locknut to the same spec on page 64; a loose locknut lets gears walk under load. Replace weak detent springs before buttoning up.
Manual Section: Transmission Troubleshooting p. 49Rear axle growls under load, differential noisy in turns, wheel hub runs hot
Drain the axle lube and inspect it for metal. Check pinion bearing preload with a spring scale: correct range is 5-11 lbs. pull per page 113, or 15-35 in. lbs. with a torque wrench per page 114. Reset preload if it is outside range, then torque the ring gear bolt nuts to 190-200 ft. lbs. during reassembly.
Manual Section: Axle Troubleshooting p. 113Frequently Asked Questions
What are the replacement specs for the clutch release bearing and sleeve assembly on Ford FW-20, FW-30, FW-40, FW-60?
The manual recommends replacing the release bearing and sleeve assembly as a unit during a clutch rebuild. For the 14-inch two-plate clutch, the spline size is 1-3/4-10, and for the 15.50-inch two-plate clutch, the spline size is 2-10. p. 28
What is the torque spec for the clutch mounting cap screws on a Ford FW-20, FW-30, FW-40, FW-60 tractor?
For the final check during clutch installation, the cap screws must be progressively tightened to 35-40 lbs. ft. of torque. p. 40
What is the correct procedure for adjusting the clutch brake?
Do not adjust the clutch with external linkage. First, perform the internal clutch adjustment to achieve a 1/2 inch (12.7 mm) clearance between the release bearing assembly and the transmission brake disc. After this, adjust the external linkage to provide 1/8 inch (3.175 mm) clearance between the release yoke fingers and the release bearing assembly. p. 13
What is the required torque for the countershaft front locknuts on a Ford FW-20, FW-30, FW-40, FW-60 tractor?
The countershaft front locknuts (C-2) must be tightened to 550-600 lbs. ft. (745.8-813.6 Nm) after locking the unit in two gears. p. 63
What is the recommended oil for the differential gear compartment?
E.P. SAE 85W90 (Mil L-2105B) gear lube oil is recommended for all normal service. The lubricant must have an API rating of GL-5 to ensure adequate load-bearing characteristics. p. 117
How will I receive this Ford FW-20 Repair Manual?
You download the Repair Manual yourself: 428 pages, searchable PDF, available immediately. Keep a copy on every device you use.
Can I print just the pages I need from this Ford FW-20 manual?
Printing is allowed without restriction. Pull the pages you need for the job and bin them when they get greasy.
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