Part of the New Holland Repair Manuals.
This 746-page New Holland TC29DA, TC33DA Repair Manual (OEM #87057407) puts you inside every system on both compact tractors, from the HST transmission and SuperSteer front axle down to the last dash console screw. You get full wiring harness diagrams with ground and fuse block locations, hydraulic schematics covering the HPL control valve and remote valve circuits, and a dedicated troubleshooting section for engine, governor, and fuel injector faults. Torque tables run throughout: engine bolts torque to 14 N-m, and the radiator cap holds 0.9 bar (13 PSI) before it releases. Clutch specs are just as exact, with the 215 mm (8.46-inch) pack called out for both HST and 9x3 transmission setups. No more pulling panels apart just to find a wire color code. Bookmarked and searchable, so you jump straight to Section 29's hydrostatic teardown or Section 55's wiring pages without flipping through 746 pages by hand.
What's Inside This New Holland TC29DA, TC33DA Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 39-64 | Personal Safety, Machine Safety, Safety, Precautionary Statements, Servicing the Tractor, Operating the Tractor, Driving the Tractor, Operating the PTO |
| Engine | 65-184 | Specifications, Engine Systems, Fuel System, Engine Lubrication System, Cooling System, Troubleshooting |
| Clutch | 185-208 | Specifications, Single Clutch, Double Clutch, PTO Clutch, Clutch Release Bearing, Clutch Linkage Components |
| Gear Transmission | 209-254 | Specifications, Powerflow, Shift Rails, Main Shaft and Gears, PTO Countershaft and Gears, FWD Driveshaft and Gear |
| FWD Axle | 255-312 | Specifications, Front to Rear Axle Ratio, SuperSteer Front Axle, Sensitrack, Reduction Gear -- Drop Box, Front Axle and Differential |
| Differential, Rear Axle | 313-336 | Specifications, Differential Assembly, Differential Lock, Drive Pinion, Rear Axle, Ring Gear and Pinion Gear Pattern |
| Hydrostatic Transmission | 337-398 | Specifications, Variable Displacement Pump, Fixed Displacement Motor, HST Charge Circuit, Hydrostatic Pump, Hydrostatic Motor |
| Power Take-Off Systems | 399-414 | Operation, Live Power Take-Off, Power Take-Off Drive -- Hydrostatic Transmission |
| Brakes | 415-426 | Description of Operation, Parking Brake, Overhaul, Brake Adjustment, Specifications |
| Hydraulic System | 427-480 | Hydraulic Fluid Filter, Control Valve (Hpl), Flow Control Valve, Lift Cylinder, Hydraulic Pump, Remote Valves |
| Steering Systems | 481-538 | Power-Steering Control Motor, Power Steering Pump, FWD Steering Cylinder, Steering Column, Pressure Testing, Steering Stops |
| Wheels and Tires | 539-546 | FWD Tread Setting, Front Wheel Settings, Rear Wheel Settings, Rear Axle Tread Setting, Tractor Weighting, Weighting for Stability, Weighting Limitations |
| Electrical System | 547-720 | Component Location and Function, Wiring Harnesses, Grounds, Battery and Fuses (Fuse Block, Main Fuse) |
| Platform | 721-746 | Hood (Removal, Installation), Rear Hood Panels (Removal, Dash Console (Removal, Seat (Removal, Disassembly, Inspection, Assembly) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine Bolt Torque Specifications | 14 | p. 3 |
| Air filter | blocked | p. 50 |
| Radiator Cap | 0.9 bar (13 PSI) | p. 77 |
| CLUTCH Type (HST) | 215 mm (8.46") | p. 53 |
| CLUTCH Type (Transmission 9 x 3 Trans) | 215 mm (8.46") | p. 53 |
| Parking brake | P | p. 50 |
| MINIMUM HARDWARE TIGHTENING TORQUES IN FOOT POUNDS (NEWTON-METERS) FOR NORMAL ASSEMBLY APPLICATIONS INCH HARDWARE AND LOCKNUTS SAE GRADE 2 UNPLATED or PLATED SILVER 1/4 | 55* (6.2) | p. 60 |
| Connecting Rod Cap Nuts | 49-54 N-m (36-40 ft. lbs.) | p. 78 |
| Main Bearing Retaining Bolts | 49-54 N-m (36-40 ft. lbs.) | p. 78 |
| Radiator Cap Pressure Rating | 0.9 bar (13 psi) | p. 77 |
| Clutch Mounting Bolts | 22.6 - 28.4 N·m (16.6 - 21 ft. lbs.) | p. 189 |
| GENERAL BOLT TORQUE SPECIFICATIONS | M6, 7T, 8T, 8.8: 8.3-11.3 Newton Meters | p. 484 |
New Holland TC29DA, TC33DA Common Problems This Manual Covers
New Holland TC33DA engine suddenly quits running while operating, fuel solenoid tests fine
Check the seat safety switch first before condemning the solenoid; it's non-adjustable per page 572 so a failed unit needs full replacement, not adjustment. Verify continuity with the seat occupied, then check the parking brake switch circuit for the same fault. Test wiring for corrosion where harnesses cross near the platform.
Manual Section: Electrical System Troubleshooting (Safety Switches) p. 572Hydraulic system overheats and lift arms won't raise the load
Drain and inspect the hydraulic filter, due for replacement after 300 hours per page 431. Check fluid level and confirm the correct oil type is used; low or wrong-spec oil causes overheating fast. Test system relief valve setting against 145 ± 5 bar (2133 ± 70 psi) spec from page 478, and verify pump output meets 29.0 L/min (7.6 gpm).
Manual Section: Hydraulic System Troubleshooting (Lift System) p. 478Overheating with noticeable power loss under load
Remove and inspect the air filter element first per page 50 spec; a blocked filter starves the engine and spikes coolant temp fast. Clean or replace as needed. Flush the radiator core if debris is packed in the fins, and pressure test the radiator cap against the 0.9 bar (13 PSI) rating on page 77 to rule out a weak seal losing coolant.
Manual Section: Engine Troubleshooting (General)Jerky movement and excessive heat buildup in the transmission under load
Check clutch pedal free-travel against the 19 mm-30 mm (3/4"-1-3/16") spec on page 53; out-of-spec travel causes slippage and heat. Inspect clutch disc thickness against the 8.6 mm (0.34") spec, replacing if worn near the 7.2 mm (0.28") limit. Verify HST charge pump relief valve holds 5.2-6.6 bars (75-95 psi) at 2500 rpm per page 341.
Manual Section: Clutch Troubleshooting p. 187Flickering dashboard lights and intermittent starting failure
Inspect all ground cables and harness connectors for corrosion, especially near the platform and dash console mounting points. Test the coolant temperature sender resistance against page 589 specs (154 ohms at 122°F/50°C, dropping to 27 ohms at 212°F/100°C) to rule out a bad sensor feeding false readings. Verify starter draws proper current and spins above 4000 rpm no-load per page 718.
Manual Section: Electrical System Troubleshooting (Starting & Charging) p. 718Axle sensor fault code triggers with no clear mechanical symptom
Inspect the axle sensor plug for a short circuit or corrosion at the connector pins; a shorted plug throws the fault even with a healthy sensor. Clean contacts and check wiring insulation along the FWD axle harness run for chafing. Test sensor resistance against known-good values and swap the sensor if readings stay open or dead-shorted after cleaning.
Manual Section: FWD Axle TroubleshootingFrequently Asked Questions
What are the torque specs for the engine cylinder head bolts on a New Holland TC29DA?
The cylinder head bolts on a New Holland TC29DA/TC33DA should be torqued to 98 - 103 N⋅m (72 - 76 ft. lbs.). This specification is crucial for proper engine assembly and maintenance. p. 78
What is the recommended replacement interval for the hydraulic fluid filter on a New Holland TC29DA or TC33DA?
The hydraulic fluid suction filter on a New Holland TC29DA or TC33DA should be replaced after every 300 hours of operation to ensure proper system function and longevity. p. 431
What is the engine oil capacity with the filter for a New Holland TC29DA or TC33DA?
The engine crankcase oil capacity with the filter for both Model TC29DA and TC33DA is 4.0 liters (4.2 U.S. qts.). This capacity ensures adequate lubrication for the engine. p. 51
What is the cold valve clearance for the intake and exhaust valves on a New Holland TC29DA or TC33DA engine?
The cold valve clearance for both intake and exhaust valves on a New Holland TC29DA or TC33DA engine is specified as 0.20 mm (0.008″). Maintaining this clearance is essential for optimal engine performance. p. 51
What format is this New Holland TC29DA, TC33DA manual in?
You get a 746-page searchable PDF that downloads instantly after checkout. Open it on your laptop, tablet, or phone, and bring it right to the shop floor.
Is this New Holland TC29DA, TC33DA Repair Manual printable?
Zero restrictions. The PDF is DRM-free. Print whatever sections you need to take out to the shop. Standard letter or A4 paper works.
Are there hydraulic schematics in this New Holland TC29DA, TC33DA manual?
Full hydraulic system diagrams are included, covering circuits, valve locations, and hydraulic component specs for the New Holland TC29DA, TC33DA.




















Reviews
There are no reviews yet.