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Part of the New Holland Repair Manuals.
Wrenching on your 2012 New Holland T4020–T4060 Series tractor? This New Holland T4020–T4060 Series service manual PDF (597 pages, OEM #84150905B1) covers every V and N variant: T4020V, T4030V, T4040V, T4050V, T4060V, plus the narrow T4030N through T4060N. Inside: wiring diagrams for every electrical build, from 2WD mechanical lift right through permanent 4WD with electronic rear lift, plus connector pinouts, hydraulic schematics for the front electronic lift and auxiliary spool valves, and fault code tables covering the EDC rear hydraulic lift, mid mount control valves, and ADIC panel. Tracing a fuel starve? Check the wire filter in the supply pump first, then the replaceable cartridge on the delivery line to the injection pump, exactly as the spec pages lay it out. No more chasing wiring faults with a multimeter and a prayer. Bookmarked and keyword-searchable; it opens on any device you carry into the shop.
What's Inside This New Holland T4020V-T4060V & T4030N-T4060N Series Manual
| System | Pages | Key Topics |
|---|---|---|
| General Guidelines | 16-17 | Safety Rules, Tractor Refuelling, Electrical Systems Warnings, Hydraulic Systems Warnings, Wheels and Tyres Warnings |
| Engine | 18-21 | General Specifications, Piston Dimensions, Power Output, Torque, Oil Pressure |
| Brakes | 22-27 | Main Data, Tightening Torques, Parking Locking Removal, Parking Locking Installation, Parking Locking Adjustment |
| Hydraulic Systems | 28-73 | Front Electronic Lift Specifications, Implement Hitching Device Data, Front Power Take-Off Operation, Front Lift Troubleshooting, Side Auxiliary Spool Valves |
| Electrical System - Instruments | 74-79 | Analog Instruments, Indicator Light Panel, Digital Instrument Cluster, Warning Lights |
| General Electrical System Information | 80-107 | Electrical Component Definitions, Fuse and Relay Locations, Grounding Points, Wiring Diagram Interpretation, Electrical Symbols |
| Version 1: 2WD Models, Mechanical Differential Lock, Rear Mechanical Lift | 108-155 | Power Socket Circuits, Brake and Differential Lock Circuits, Instrument and Sensor Wiring, Power Take-Off Controls, Lighting and Horn Circuits |
| Version 2: Electrohydraulic Four-Wheel Drive, Electrohydraulic Differential Lock, Rear Mechanical Lift | 156-215 | Electrohydraulic 4WD Circuit, Power Shuttle 16+16 and 44+16 Circuits, Front PTO and Lift Circuits, Mid Mount Control Valves, Instrument and Sensor Wiring |
| Version 3: Electrohydraulic Four-Wheel Drive, Electrohydraulic Differential Lock, Rear Electronic Lift | 216-277 | Electrohydraulic 4WD Circuit, Rear Electronic Lift Circuit, Power Shuttle 16+16 and 44+16 Circuits, Front PTO and Lift Circuits, Instrument and Sensor Wiring |
| Version 4: Permanent Four-Wheel Drive, Electrohydraulic Differential Lock, Rear Electronic Lift | 278-337 | Permanent 4WD Circuit, Rear Electronic Lift Circuit, Power Shuttle 16+16 and 44+16 Circuits, Front PTO and Lift Circuits, Instrument and Sensor Wiring |
| Version 5: Permanent Four-Wheel Drive, Electrohydraulic Differential Lock, Rear Electronic Lift | 338-411 | Permanent 4WD Circuit, Rear Electronic Lift Circuit, Power Shuttle 16+16 and 44+16 Circuits, Front PTO and Lift Circuits, Electronic Control Unit Wiring Diagrams |
| Electrical System - Circuits for Platform Models | 412-545 | Electrical Circuit Components, Fuses and Relays Layout, Ground Location Points, Wiring Diagrams, Power Sockets |
| Electrical System - Connectors | 546-589 | Electrical Circuit Components, Types of Versions, List of Connectors, Main Cable Side, Engine Cable Side |
| Electrical System - Fault Codes | 594-597 | Edc Rear Hydraulic Lift Fault Codes, Mid Mount Control Valves Fault Codes, Adic Control Panel Fault Codes |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Fuel filtration | Wire filter in the supply pump plus in-line fuel filter | p. 20 |
| Air filtering | Dual dry cartridge air filter with clogging indicator | p. 20 |
| Turbocharger type | HOLSET HX25 | p. 21 |
| Engine oil filter | Full-flow paper cartridge | p. 66 |
| Cooling System Capacity (less cab) | 10 L | p. 17 |
| Cooling System Capacity (with cab) | 12 L | p. 17 |
| F4CE9484M*J603 / L*J603/ L*J602 | ||
| BOSCH-type injectors | 2856255 | p. 21 |
| T4020V, T4030V, T4040V, T4030N, T4040N | ||
| Engine Oil Sump Capacity (T4020V, T4030V, T4040V, T4030N, T4040N) | 8.5 L | p. 17 |
| T4050V, T4050N, T4060V, T4060N | ||
| Engine Oil Sump Capacity (T4050V, T4050N, T4060V, T4060N) | 9.5 L | p. 17 |
New Holland T4020V-T4060V & T4030N-T4060N Series Common Problems This Manual Covers
New Holland T4 series engine stalls under PTO load and cranks but won't restart when hot
Drain water from the fuel sediment bowl and replace the cartridge filter on the delivery line to the injection pump (page 20). Bleed the system at the filter head. If stalling continues, pull the injectors and pop-test them; calibration pressure must read 260 to 274 bar (page 21). Low pop-off pressure or nozzle dribble means new nozzles.
Manual Section: Engine Troubleshooting p. 8Front lift raises in jerks, lowers slowly, and won't hold the implement raised
Start with the front lift troubleshooting table on page 43. Check hydraulic oil level, then replace the full-flow paper cartridge filter common to the lift circuit (page 66). Tee a gauge into the lift circuit and test relief pressure; maximum is 250 bar (page 28). If pressure holds, inspect the cylinder piston seals for internal leakage.
Manual Section: Front Lift Troubleshooting p. 43Coolant temperature alarm comes on during heavy fieldwork, gauge climbs into the red
Check coolant level cold and inspect the radiator core for chaff buildup; blow it clean with compressed air from the fan side. Test the thermostat and pressure cap. Drain and refill the cooling system, 10 L capacity without cab and 12 L with cab (page 17). Verify fan belt tension and the temperature sender wiring before condemning the gauge.
Manual Section: Engine p. 17Black exhaust smoke and sluggish power under load, turbocharger whistles at high RPM
Check the dual cartridge dry air filter and its clogged filter indicator before touching the turbo. Inspect the HOLSET HX25 turbocharger for shaft play and oil residue in the compressor housing (page 21). Set intake valve clearance on a cold engine to 0.25 ± 0.05 mm (page 20). Pop-test the injectors; calibration runs 260 to 274 bar.
Manual Section: Engine p. 21Frequently Asked Questions
What fluids and capacities does this machine require?
The machine requires various fluids with specific capacities. For the cooling system, it needs 10 dm³ (less cab) or 12 dm³ (with cab) of Water and AMBRA AGRIFLU fluid (50% + 50%). The engine oil sump for T4050V, T4050N, T4060V, and T4060N models requires 9.5 dm³ of AMBRA MASTERGOLD HSP (SAE 15W-40 or 10W-30). The rear transmission, including hydraulic lift and PTO, has a capacity of 44 dm³ of AMBRA MULTI G oil. p. 17
What are the valve clearance specifications?
The valve clearance specifications for the engine when cold are 0.25 ± 0.05 mm for intake valves and 0.50 ± 0.05 mm for exhaust valves. These clearances are crucial for proper valve timing and engine operation. p. 20
What torque specifications are listed?
Several torque specifications are provided for various components. For instance, the nut securing the final drive to the rear transmission casing should be tightened to 135 to 149 Nm (13.8 to 15.2 kgm). Front final drive bevel drive casing retaining bolts require 110 Nm (11.2 kgm), and electromagnetic clutch/coupler flange retaining bolts are set to 88 Nm (9 kgm). p. 23
What are the common electrical problems?
The manual lists various electrical fault codes, which indicate potential problems. Examples include "EEPROM corrupted" (code 4700), "12V Key power lines: voltage too high" (code 4710), and "Joystick: signal from X-Axle short to 5V" (code 4730). These codes help diagnose specific electrical issues within the system. p. 596
What are the engine's piston diameter and stroke specifications?
The engine's piston diameter is 104 mm, and the piston stroke is 132 mm. These dimensions result in a total displacement of 4485 cm³. p. 19
Is this Service Manual a digital download?
A 597-page Service Manual in searchable PDF format, available the moment you complete checkout. View on computer, tablet, or phone, with no shipping wait.
Can I print this manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
