Looking for the factory procedures for your Designation 6 tractor? This 600-page Versatile Designation 6 Series Service Manual PDF (OEM #40075691) breaks down the complete drive train, hydraulics, and engine systems for the 756, 836, 856, 876, 936, 956, and 976 models. You get full electrical wiring diagrams, complete hydraulic schematics, and a massive troubleshooting section covering the 12-speed, 15-speed, and powershift transmissions. Open to detailed teardown instructions with complete torque tables to rebuild your clutch packs and differential carriers right the first time. Verify your clutch apply pressure is holding between 150 and 185 psi, then lock down the PTO manifold capscrews to exactly 100 N-m. Stop tearing down assemblies blind. Grab this bookmarked download, open it on your shop tablet, and get your machine pulling hard again.
Complete the set for your 756, 836, 856…
- Operator Manual: Versatile 846, 876, 936, 946, 976 Tractor Operator Manual
- Operator Manual: Versatile 836, 856, 876 Operator Manual
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Section 1, Specifications and Data | 7-24 | Accessories, Axles, Brakes, Capacities, Cooling System, Electrical System |
| Section 2, Engine Systems | 25-52 | Specifications and Data, Engine Replacement, Fuel System, Cold Start, Cooling System, Air Intake and Exhaust Systems |
| Section 3, 12-Speed Mechanical Transmission | 53-72 | Specifications, How the System Works, Transmission Servicing, Transmission Overhaul, Shift Linkages, Hydraulic Transmission Brake |
| Section 4, 15-Speed Mechanical Transmission | 73-136 | How the System Works, Transmission Servicing, Transmission Overhaul, Clutches, Troubleshooting, Regulator Valve |
| Section 5, Drive Train | 137-192 | Description and Operation, Clutch, Troubleshooting, Axle Assemblies, Differential Carrier, Drivelines |
| Section 6, Powershift Transmission | 193-432 | Description and Specifications, Operation, Preventive Maintenance, Trouble Shooting, Removal and Unit Disassembly, Subassemblies |
| Section 7, Hydraulics | 433-470 | Specifications, How the System Works, Testing, Troubleshooting, Overhaul, Hydraulic Reservoir |
| Section 8, Electrical Systems | 471-520 | Introduction, Specifications, Batteries, Alternator, Starter, Instrumentation |
| Section 9, Environmental Systems | 521-542 | Specifications and Data, Torque Values, How the System Works, System Performance Test, Compressor Overhaul, Evaporator/Heater Core |
| Section 10, Structures | 543-556 | Specifications, Torque Values, Cab Mount Replacement, Cab Roof Assembly, Operator’s Seat, Frame Pivot Pin Bushing Replacement |
| Section 11, Three-Point Hitch | 557-582 | Specifications, Torque Values, Hydraulic Components, Electrical Components, Three-Point Hitch Adjustments, Hydraulic Testing |
| Section 12, Brakes | 583-594 | Replacing Friction Pads, Removal and Installation of Brake Caliper, Removal and Installation of Brake Master Cylinder, Removal and Installation of Brake Disc |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Escaping hydraulic oil under pressure | can penetrate the skin causing severe personal injury | p. 5 |
| Clutch apply pressure | 150 to 185 psi | p. 107 |
| Transmission lubrication pressure | 140 to 200 kPa, 20 to 30 psi | p. 107 |
| Shaft end seal | Replace seal | p. 448 |
| Blown O-rings | Replace O-rings | p. 448 |
| System not developing adequate pressure (Implement will not lift) | See 3C | p. 449 |
| 12-Speed Mechanical Transmission Capacity | 20.3 L (21.5 qt US) | p. 8 |
| 15-Speed Mechanical Transmission Capacity | 23.6 L (25 qt US) | p. 8 |
| Powershift Transmission (1050 P/S) Capacity | 28.5 L (30 qt US) | p. 8 |
| 756 | ||
| Engine Oil Capacity, 756 | 18.9 L (5 US G) | p. 7 |
| 836, 856, 876 | ||
| Engine Oil Capacity (836, 856, 876) | 26 L (7 US G) | p. 7 |
| 936, 956, 976 | ||
| Engine Oil Capacity (936, 956, 976) | 37 L (9.8 US G) | p. 7 |
