Part of the New Holland Repair Manuals.
This 700-page New Holland TK Series Service Manual (OEM #84150919A2) covers the TK4050 and TK4060 crawler tractors, from the F5A engine down to the rubber track undercarriage. Inside: full wiring diagrams for platform and cab configurations, hydraulic schematics for the power lift and auxiliary control valves, and a troubleshooting section that walks you through steering clutch and servo-control faults instead of leaving you to guess. You get pinouts for every connector in the harness, torque charts for the clutch, PTO, and final drive, and a dedicated fluid capacities table so you're not mixing specs across five model years. Reset a hydraulic fault by cycling the key off and back on; torque the fuel filter to 25 Nm and confirm bursting pressure exceeds 160 bar before you button it up. Your undercarriage doesn't forgive shortcuts. Bookmarked by system, so you jump straight to the harness or the transmission without hunting through 700 pages.
What's Inside This New Holland TK4020–TK4060 Series Manual
| System | Pages | Key Topics |
|---|---|---|
| General Guidelines | 7-14 | Safety Regulations, Tractor Refuelling |
| Engine | 15-54 | Summary, Tightening Torques for Nef and F5A Engines |
| Clutch | 55-108 | General Specifications, Torque Specifications, Fault Diagnosis, PTO Clutch Lever, Main Gear Clutch, Central Clutch Engagement Servo-Control |
| Gear Transmission | 109-138 | Main Data, Torque Specifications, Fault Diagnosis, Gearbox, Shuttle Unit, Creeper Unit |
| Rear Mechanical Transmission | 139-184 | Main Data, Torque Specifications, Fault Diagnosis, Rear transmission/gearbox, Left-Hand Final Drive Casing, Final Drive Driven Gear |
| Power Take-Off | 185-200 | Main Data, Torque Specifications, Tools, Fault Diagnosis, Mechanical Power Take-Off, Power Take-Off Overhaul |
| Brakes | 201-220 | Main Data, Torque Specifications, Fault Diagnosis, Service Brakes, Parking Brake, Brake Hydraulic Actuator |
| Hydraulic Systems | 221-290 | Main Data, Torque Specifications, Fault Diagnosis, Hydraulic Power Lift, Auxiliary Control Valves, Flow Control Valve |
| Steering Clutches | 291-316 | Main Data, Torque Specifications, Fault Diagnosis, Hydraulic System, Steering Clutch Pressure Adjustment |
| Suspension & Tracks | 317-384 | Main Data, Torque Specifications, Chain Units, Track Tensioner Wheel, Support Rollers, Rubber Tracks |
| Instruments | 385-398 | Analog Instrument for Models TK4050 - TK4060, Indicator Lights, Cross-Sectional Views of the Panel, Transmitters, Sensors and Switches |
| Components | 399-408 | Analog Instrument Panel, Front Headlight Bulbs Adjustment, Front and Direction Lamps Renewal, Work Light Bulbs on Tractors with Roll Bar, Rear Sidelights |
| Starting System | 409-420 | Technical Data, Torque Specifications, Description & Operation, Starter and Recharging Circuit, Fault Diagnosis, Starter Motor Removal - Installation |
| Charging System | 421-430 | Technical Data, Torque Specifications, Description & Operation, System Testing and Troubleshooting, Belt Tension, Alternator Removal - Installation |
| Battery | 431-444 | Technical Data, Description & Operation, Removal - Installation, Battery Testing and Charging Procedures |
| Electric Circuits Tractors Fitted with Platform | 445-540 | Wiring Diagram Components, Location of Fuses and Relays, Electronic Modules, Electrical Circuits Index, Troubleshooting, Input/output Wiring Diagram |
| Electric Circuits Tractors Fitted with Cab | 541-630 | Wiring Diagram Components, Location of Fuses and Relays, Electronic Modules, Electrical Circuits Index, Logic of Control Unit, Input/output Wiring Diagram |
| Wiring Harnesses and Connectors | 631-684 | Wiring Diagram Components, Electrical Circuit Components, Wiring for Tractors Without Cab, Wiring for Tractors with Cab, List of Connectors |
| Platform, Cab, Bodywork | 685-700 | Cab Main Data, Air Conditioning System Main Data, Torque Specifications, Tools, Cab Suspensions, Cab Disassembly - Assembly |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Fuel filter fastening torque | 25 ± 5 Nm (2.5 ± 0.5 kgm) | p. 22 |
| Filter bursting pressure | > 160 (163.1 kg/cm2) bar | p. 87 |
| Main clutch driven disc thickness (under load of 8000 N -- 816 kg) | 7.7 ÷ 8.3 mm | p. 56 |
| Power take-off clutch driven disc thickness (under load of 7500 N -- 765 kg) | 7.7 ÷ 8.1 mm | p. 56 |
| Temperature Control | thermostat | p. 17 |
| NEF Engines | ||
| Engine speed/coolant pump speed ratio, NEF Engines | 1.86 : 1 | p. 17 |
| F5A Engines | ||
| Engine speed/coolant pump speed ratio, F5A Engines | 1.44 : 1 | p. 17 |
