Part of the New Holland Repair Manuals.
This New Holland TC23DA, TC26DA repair manual PDF runs 716 pages of factory service data, OEM part number 87367140, covering both compact tractor variants front axle to drawbar. Hydraulic schematics trace circuit flow from pump to remote valves, wiring diagrams map every harness connector, and troubleshooting charts walk each fault from symptom to cause. Overhaul procedures carry the engine from disassembly through crankshaft and main bearing installation. Fill the rear axle and transmission, hydraulics included, with 16 liters of fluid, and pull connecting rod caps down to 29 to 34 N·m (22 to 25 ft lbs). This bookmarked PDF has a text layer for your spec lookups.
What's Inside This Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| Complete Contents | 1-34 | Specifications, Lubricants, Adjustments, Special Tools, Description and Operation, Identification Chart, Cylinder Head and Valve Train Components, Overhaul, Engine Preparation, Disassembly, Fuel Injector and Glow Plug, Removal, Oil Pressure Switch, Temperature Sending Switch and Alternator |
| General Information | 35-60 | Introduction, Precautionary Statements, Safety, Tractor, Servicing the Tractor, Operating the Tractor, Driving the Tractor, Operating the PTO, General Dimensions, Minimum Hardware Tightening Torques, Length, Wheel Base, Height, Width, Ground Clearance, Wheel Tread Settings, Metric Non-Flanged Hardware, Locknuts, Carriage Bolts, Inch Non-Flanged Hardware, Hex Cap Screw and Carriage Bolts |
| Engine Systems | 61-172 | Engine |
| Single Clutch | 173-206 | Single Clutch Systems |
| Transmission | 207-254 | Transmission Systems |
| FWD Front Axle | 255-272 | FWD Front Axle Systems |
| Differential, Rear Axle | 273-294 | Differential and Rear Axle Systems |
| Hydrostatic Transmission | 295-392 | Transmission, Transmission Systems |
| Power Take-Off (PTO) | 393-410 | |
| Brakes | 411-416 | |
| Hydraulic System | 417-476 | |
| Steering | 477-518 | |
| Wheels and Tires | 519-526 | |
| Electrical System | 527-698 | |
| Platform | 699-716 |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Rear Axle & Transmission (Includes Hydraulics) Capacity | 16 liters / 4.23 U.S. gals. | p. 49 |
| Fuel Tank Capacity | 20 liters / 5.3 U.S. gals. | p. 49 |
| Hydraulic Oil Ambra Multi G 134 | 1QT / .946L, 1G / 3.785L, 2.5G / 9.46L, 5G / 18.93L | p. 59 |
| Connecting Rod Caps Torque | 29 - 34 N·m (22 - 25 ft lbs) | p. 74 |
| Flywheel Retaining Nuts/Bolts Torque | 69 - 78 N·m (51 - 58 ft lbs) | p. 74 |
| Oil pressure relief valve installation torque | 58.8 - 68.6 N·m (43.4 - 50.6 ft lbs) | p. 131 |
| Ring Gear Bolts Torque | 26 - 28 N·m (19 - 22 ft-lbs.) | p. 274 |
| Differential Case Housing Bolt Torque | 30 - 38 N·m (22 - 28 ft-lbs.) | p. 274 |
| Hydrostatic control rod length (turnbuckle top end to bottom rod end center) | 137 mm (5.39 in.) | p. 378 |
| Hydrostatic control rod length (top of turnbuckle to bottom of spring holder) | 26 mm (1.02 in.) | p. 378 |
| Suction filter replacement interval | 300 hours | p. 424 |
| Hydraulic oil filter replacement interval | every 300 hours | p. 448 |
