Part of the John Deere Repair Manuals.
All 970 pages of this John Deere X750, X754, and X758 Technical Manual (OEM #TM142419) are aimed at one goal: returning your Select Series tractors to exact factory condition. Inside you get full electrical schematics with EEC theory of operation, wiring harness routing, and connector pinouts; a hydraulic section covering the transaxle, HFWD, PTO, and attachment circuits; plus a thorough troubleshooting section spanning the engine, power train, steering, and brakes. Page after page of torque specifications and calibrated test values back every procedure. Fill the engine to 3.2 L (3.4 qt) with filter, confirm displacement at 904 cm³ for the 3TNM72 or 993 cm³ for the 3TNM74F, and keep your 19.7 L fuel tank topped before any cold-start diagnosis. No more chasing electrical faults with a test light and a guess. Bookmarked and searchable; pull it up on your tablet, walk to the machine, and start wrenching.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 8-48 | Group 05 - Safety, Group 10 - General Specifications, Group 20 - Fuel, Lubricants, And Coolants, Group 30 - Machine Specifications |
| Engine Repair | 49-152 | Group 10 - Engine, Group 20 - Cooling System, Group 30 - Fuel and Air System |
| Electrical Repair | 153-197 | Group 10 - Battery, Starter, And Alternator, Group 20 - Wiring Harnesses |
| Power Train Repair | 198-321 | Group 10 - Controls and Charge Pump, Group 20 - Transaxle, Group 30 - Differential, Group 40 - Hfwd, Group 50 - PTO Repair |
| Steering and Brake Repair | 322-351 | Group 10 - Steering, Group 20 - Brakes |
| Hydraulics Repair | 352-369 | Group 10 - Hydraulics |
| Attachment Repair | 370-425 | Group 10 - Attachments |
| Miscellaneous Repair | 426-448 | Group 10 - Miscellaneous |
| Operator's Station Repair | 449-458 | Group 10 - Operator's Station, Group 20 - Component Location |
| Engine Operation, Tests, and Adjustments | 459-539 | Group 10 - Component Location, Group 20 - Theory of Operation, Group 30 - Diagnosis, Group 40 - Tests and Adjustments |
| Electrical System Operation, Tests, and Adjustments | 540-759 | Group 10 - Component Location, Group 20 - Theory of Operation, Group 25 - Theory of Operation, Eec, Group 30 - Schematics, Group 40 - Diagnosis, Group 50 - Tests and Adjustments |
| Power Train Operation, Tests, and Adjustments | 760-816 | Group 10 - Hydrostatic Transmission Component Location, Group 20 - Hydrostatic Drive Theory of Operation, Group 30 - Transmission and PTO Diagnosis, Group 40 - Drive System Tests and Adjustments |
| Steering and Brake Operation, Tests, and Adjustments | 817-874 | Group 10 - Steering System Component Location, Group 20 - Steering and Brake Theory of Operation, Group 30 - Brake and Steering Diagnosis, Group 40 - Steering and Brake Tests and Adjustments |
| Hydraulic System Operation, Tests, and Adjustments | 875-931 | Group 10 - Component Location, Group 20 - Theory of Operation, Group 30 - Schematics, Group 40 - Diagnosis, Group 50 - Tests and Adjustments |
| Attachment Operation, Tests, and Adjustments | 932-966 | Group 10 - Component Location, Group 20 - Diagnosis, Group 30 - Tests and Adjustments |
| Service Tools and Kits | 967-970 | Essential or Recommended Tools, Service Equipment and Tools |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Oil Capacity (with filter) | 3.2 L (3.4 qt) | p. 45 |
| Engine Oil Capacity (with filter) | 3.2 L (3.4 qt) | p. 45 |
| Fuel Tank Capacity | 19.7 L (5.2 gal) | p. 45 |
| Battery (Domestic) | 500 CCA | p. 45 |
| Hydraulic System Oil Capacity | 11.3 L (12.0 qt) | p. 45 |
| Valve Cover-to-Cylinder Head Cap Screws Torque | 11 N·m (97 lb.-in.) | p. 51 |
| Connecting Rod Cap Screws Torque | 22.6-27.5 N·m (16.6-20.2 lb.-ft.) | p. 54 |
| Crankshaft Main Bearing Clearance | 0.03-0.06 mm (0.001-0.002 in.) | p. 54 |
| Piston Ring Groove Side Clearance Top Piston Ring | 0.06-0.10 mm (0.002-0.004 in.) | p. 54 |
| Steering Wheel Nut Torque | 34-41 N·m (25-30 lb.-ft.) | p. 322 |
| 3TNM72 | ||
| Engine Displacement, 3TNM72 | 904 cm^3 (56.2 in^3) | p. 45 |
| 3TNM74F | ||
| Engine Displacement, 3TNM74F | 993 cm^3 (60.6 in^3) | p. 45 |
