Part of the New Holland Repair Manuals.
Need the factory breakdown for your 2005 wheel loader? All 452 pages of this New Holland W50, W60, W70, W80 workshop manual PDF (OEM #604.13.577 English) focus on getting your machine back to factory condition. You get full electrical circuit diagrams for start interlocks and analog gauges, plus complete hydrostatic transmission plumbing schematics. Open up detailed troubleshooting charts for axle problems, brake system faults, and step-by-step procedures for rebuilding the articulated joint frame. Verify the engine displacement hits exactly 3108 cm³ and always grease the lips of new shaft seals before fitting them into the H1 lifting cylinder. Guessing specs leads to broken machinery. Grab this bookmarked digital download, jump instantly to your targeted system, and get the job done right.
What's Inside This New Holland W50–W80 Series Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety Instruction | 7-18 | Fundamental Safety Instructions (Warnings and Symbols, Risks Resulting From Failure to Observe the Safety Instructions, Organizational Measures, Selection and Qualification of Personnel) |
| Service Data | 19-64 | Foreword, Si- and Additional Units (Quantities of Space and Mass, Time Related Quantities, Quantities of Force, Energy and Power) |
| Diesel Engine | 65-68 | |
| Transmission | 69-104 | General (Safety Instructions, Explanations of Circuit Diagrams and Illustrations, Depressurizing the Hydraulic System, Principle: Hydrostatic Transmission) |
| General Information | 108-114 | General, Agreements and Definitions, Instructions Concerning the Safety at the Place of Work, Recommendations for Repair Operations |
| Removal and Installation of Axles | 115-119 | Front Axle, Rear Axle |
| Troubleshooting | 120-124 | Axle Problems and Diagnosis |
| General Specifications of Rear Axel | 125-156 | General Description, Technical Features, Overall Dimensions, Oil Change and Checks |
| Disassembly and Assembly of Rear Axel | 157-246 | Hydraulic Motor Group (Tb150), Hydraulic Motor Group (Tb138.5), Transmission Box Group (Tb150), Transmission Box Group (Tb138.5) |
| General Specifications of Front Axel | 247-268 | General Description, Technical Features, Front Axle Dimensions, Differential, Planetary Reduction, Torque Values |
| Disassembly and Assembly of Front Axel | 269-344 | Brake Disk Group, Epicyclic Reduction Gear Group (W50), Epicyclic Reduction Gear Group (W60 - W70 - W80), Wheel Hub Group (W50) |
| Steering | 345-364 | General (Safety Instructions, Explanations of Circuit Diagrams and Illustrations, Depressurizing the Hydraulic System) |
| Brake System | 365-386 | General (Safety Instructions, Explanations of Circuit Diagrams and Illustrations), Hydraulic Circuits Diagrams (Brake System: Standard Version, High Speed Version) |
| Hydraulic System | 387-422 | Hydraulic Pump, Control Valves, Cylinders, Hydraulic Circuit Diagram, Relief Valve Settings, Filters, Oil Cooler |
| Electrical System | 423-442 | Electrical Circuit Diagrams, W50-W60-W70-W80, N. 3 004 855, List of Contents, Engine, Start / Start Interlock, Signal Lamp |
| Frame | 443-452 | Repair of the Frame, Articulated Joint, Replacement of Parts |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Hydraulic System | SECTION 7 | p. 5 |
| Sealing elements such as O-rings, double lip seals, shaft seals and sleeves | must always be replaced | p. 110 |
| The lips of shaft seals | must be greased before fitting | p. 110 |
| Lifting cylinder (H1) leaking | Seal up cylinder | p. 417 |
| Engine displacement | 3108 cm³ | p. 51 |
| Low idling speed | 900 ± 50 min⁻¹ | p. 51 |
| Hydraulic oil temperature for testing | 60 - 70 °C | p. 54 |
| Primary pressure relief (Working hydraulics) | 230 ± 10 bars | p. 54 |
| Accumulator precharge pressure | 20 ± 1 bars | p. 55 |
| Wheel-nut tightening torque | 500 Nm | p. 63 |
| Front axle weight | 230 kg | p. 64 |
| Lifting cylinder stroking time (bucket empty) | 6.0 ± 0.5 s | p. 54 |
