Part of the New Holland Operator Manuals.
New Holland published this book as document 47646518, and the New Holland TD4.70F, TD4.80F, TD4.90F operator manual PDF runs 194 pages covering all three tractors exactly as the factory wrote them. Maintenance claims the longest run of the book, from the maintenance chart through greasing points, filter changes, fuel system bleeding and the 1200-hour front axle fluid change. Troubleshooting tables let you trace an alarm back to its cause across the engine, electrical system, remote control valves, three-point hitch and brakes, while the controls chapter works through the mechanical, power and creeper shuttle transmissions plus the differential lock. Fill the tank to 79.0 L, check engine oil every 10 hours, torque rear wheel nuts to 280 N·m (207 lb ft) and fronts to 220 N·m (162 lb ft). A guessed spec costs you a wrong part and a second trip into the same job. Bookmarked and text-searchable, it gets the tractor running and you back in the field.
What's Inside This New Holland TD4.70F, TD4.80F, TD4.90F Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 7-20 | Introduction, Various Controls, Fuel Supply, Fuel Requirement, Capacities, Hood - Basic Instructions |
| Safety Information | 21-52 | Safety Precautions, Safety Aspects, Before Driving the Tractor, Driving the Tractor, Operating the Tractor, Operating the P.T.O., Servicing the Tractor, Diesel Fuel |
| Controls and Instruments | 53-70 | Operator's Seat (Documentation Storage, Seat Belt) |
| Operating Instructions | 71-74 | Starting the Unit (Starting the Engine), Stopping the Unit (Stopping the Engine) |
| Transport Operations | 75-76 | Preparing for Road Transport (Carrying the Tractor on a Transporter), Recovery Transport (Towing the Tractor) |
| Working Operations | 77-116 | One-Speed Rear Power Take-Off (Power Take-Off - Operating, Power Take Off Speeds, Independent Power Take-Off Servo Assist PTO, Synchronized Power Take-Off Servo Assist PTO) |
| Maintenance | 117-164 | Maintenance Planning (Maintenance Chart) |
| Troubleshooting | 165-170 | Alarm (Hydraulic Remote Control Valves, Engine, Electrical System, Hydraulic System, Three Point Hitch, Brakes) |
| Specifications | 171-178 | Weights, Tractor Weights, Technical Data, Electrical Systems - General Specification |
| Accessories | 179-186 | Rotating Beacon, Swinging Drawbars, Hitches, Drawbars, And Implement Couplings - General Specification, Trailer Brake Hydraulic Control - Control Identification |
| Forms and Declarations | 187-194 | Service Record - 1st 50 Hour, Owner Copy 1st 50 Hour, Owner Copy, Dealer Copy 1st 50 Hour, Dealer’s Copy |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Front tyres wheel nut torque | 220 N·m (162.26 lb ft) / 250 N·m (184 lb ft) | p. 108 |
| Battery Capacity | 100 Ah | p. 5 |
| Rear tyres wheel nut torque | 280 N·m (207 lb ft) | p. 108 |
| Headlight bulb power | 55/60 W | p. 158 |
| Fuel tank capacity | 79.0 L | p. 121 |
| Cooling system capacity | 8.0 L | p. 124 |
| Engine sump oil capacity (without filter) | 8.8 L | p. 124 |
| Engine sump oil capacity (with filter) | 9.5 L | p. 124 |
| Front axle housing oil capacity | 7.0 L | p. 124 |
| Rear transmission oil capacity | 45.0 L | p. 124 |
| Front tyre wheel nut torque | 220 N·m | p. 108 |
| Rear tyre wheel nut torque | 280 N·m | p. 108 |
New Holland TD4.70F, TD4.80F, TD4.90F Common Problems This Manual Covers
New Holland TD4.70F engine cranks slowly or won't start on a cold morning
Check the engine troubleshooting chart on page 166 before you blame the starter. Verify the battery reads 12 V at rest and is the specified 100 A·h 840 cca unit listed on page 177. Clean corroded terminals, then confirm fuel is in the 79.0 L tank and let the glow plugs finish their cycle.
Manual Section: Engine p. 166Battery charge warning light stays lit on the dash while the tractor is running
Check the electrical troubleshooting chart on page 167 first. Inspect the alternator belt for glazing and correct tension, then verify the 120 A alternator connections are clean and tight. Test battery voltage with the engine running; it should climb above the 12 V resting figure. Check the fuse panel starting on page 156.
Manual Section: Electrical System p. 167Three point hitch lifts slowly or won't raise the implement at all
Check the hitch troubleshooting chart on page 169. Verify transmission oil level with the tractor on level ground; the rear transmission holds 45.0 L per the capacity table on page 124. Set draft control out of the float position, confirm the implement weight is within the 3500 kg rear axle limit, then replace a plugged hydraulic filter.
Manual Section: Three Point Hitch p. 169Remote hydraulic coupler won't engage or seeps oil at the connection
Clean both coupler halves and the implement tips before you connect anything; grit is the usual culprit. Relieve trapped pressure by working the lever with the engine off, then check the remote valve chart on page 165. Verify transmission oil sits at the full mark and top up toward the 45.0 L capacity listed on page 124.
Manual Section: Hydraulic Remote Control Valves p. 165Oil weeping around the center housing between the transmission and rear end
Clean the area with solvent, run the tractor under load for twenty minutes, then look for the fresh source. Check the case joint fasteners for looseness. Monitor the level against the 45.0 L rear transmission capacity on page 124 and follow the maintenance schedule on page 127 for the next fluid service before field season.
Manual Section: Maintenance Planning (Maintenance Chart) p. 127Brake pedals feel soft or travel too far before the tractor slows
Check the brake troubleshooting chart on page 170. Verify both pedals are latched together for road travel, then adjust each pedal so free travel matches side to side. Confirm rear wheel nuts are torqued to 280 N·m per page 134 before any road transport, and bleed the system if the pedal still sinks.
Manual Section: Brakes p. 170Frequently Asked Questions
What is the front and rear wheel nut torque specification for the New Holland TD4.70F, TD4.80F, TD4.90F tractor?
The torque specification for the front and rear wheel nuts is 245 N·m (25 kgm). p. 133
What is the valve clearance specification for a New Holland TD4.70F, TD4.80F, TD4.90F tractor engine?
The intake and exhaust valve clearance must be 0.30 mm ± 0.05 mm, and the inspection must be carried out when the engine is cold. p. 144
What is the fuel tank capacity on a New Holland TD4.70F, TD4.80F, TD4.90F tractor?
The fuel tank capacity is 79.0 L (20.9 US gal). p. 121
What is the correct tension for the alternator drive belt?
The alternator drive belt tension should be checked at the center of the belt run with an applied force of 78 N (17.5 lb) to 98 N (22.0 lb). p. 130
How often should the engine oil be changed?
The engine oil should be replaced every 600 hours of operation, though this interval may be reduced under arduous conditions or if using fuel with high sulphur content. p. 140
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