Part of the New Holland Repair Manuals.
This 764-page New Holland E50 Shop Manual (OEM #87360588) covers the full Hydraulic Excavator platform, with shared coverage for the E27, E30, E35, and E50. Open it up and you get complete wiring diagrams, hydraulic circuit schematics, and a dedicated troubleshooting section spanning hydraulic, electrical, and engine faults, plus a 100-page exploded view for parts identification down to the last snap ring. You also get a full periodic maintenance schedule and fluid capacity charts so you're not mixing up specs between the boom cylinder and the final drive. Check tightening torque values before you button up the slewing structure, and confirm fluid capacities before you fire the engine back up. No more flipping between three dog-eared photocopies trying to find the right circuit. Bookmarked by section, so you jump straight to hydraulic troubleshooting or engine disassembly without scrolling past specs you don't need. Pull it up on your phone in the shop and get back under the machine.
What's Inside This New Holland E50 Manual
| System | Pages | Key Topics |
|---|---|---|
| E50 Hydraulic Excavator | 1-2 | Boom, Arm, Bucket, Dozer, Hydraulic Pump, Engine |
| Standard Specifications and Maintenance | 7-106 | Specifications (Components Name) |
| Hydraulic, Electrical, and Component Systems | 107-262 | Hydraulic System, Electrical System, Hydraulic Components, Electrical Equipment, Hydraulic Circuit Operation, Electrical Equipment List |
| General Disassembly and Assembly | 263-498 | Attachments, Upper Slewing Structure, Travel System, Specification of Tightening Torque |
| Troubleshooting | 499-546 | General Precautions, Trouble Diagnosis: Hydraulic, Trouble Diagnosis: Electric System, Trouble Diagnosis: Engine, Troubleshooting (Hydraulic System) |
| Engine | 547-764 | Engine Nomenclature, Specifications, Periodic Maintenance Schedule, Troubleshooting, Disassembly, Lubrication System |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Tightening torque | 20~24N·m (2.0~2.4kgf·m) | p. 62 |
| Engine Output Rating | 30.4 kW / 2,400 min-1 | p. 27 |
| Engine Maximum Torque | 139 Nm / 1,440 rpm | p. 27 |
| Hydraulic Oil Temperature (Tank surface) | 50-60 °C | p. 90 |
| Main Relief Valve Pressure | 23.0 MPa | p. 90 |
| Pilot Relief Valve Pressure | 3.5 ± 0.4 MPa | p. 90 |
| Slewing Speed | 8.8 min-1 | p. 27 |
| Boom Swing Angle (Right) | 60° | p. 27 |
| Engine Oil Volume (Max) | 7.4 liter | p. 32 |
| Cooling Water Capacity (Max) | 6.0 liter | p. 32 |
| M10 Coarse Thread Tightening Torque (7T) | 46.1±4.9 Nm | p. 61 |
| Hydraulic Hose (30 Degree Flare Type) 1/8 PF Tightening Torque | 15±2.0 Nm | p. 64 |
