Looking for the official teardown procedures for your wheeled excavator? This 570-page JCB JS145W service manual PDF (OEM #9803/6310) covers every system across the JS130W, JS145W, JS160W, and JS175W models. You get complete hydraulic schematics tracing fluid through the slew and travel motors, plus full electrical wiring diagrams to track down electrical faults. Open up the procedures section to find step-by-step rebuilding instructions for the drive gearbox, axle hubs, and service brakes, backed by detailed exploded views. Fill the hydraulic system with exactly 124 litres of fluid and tighten those wheel nuts to 500 Nm before putting your machine back to work. Every hour in the shop costs money. Download this bookmarked file right to your tablet, jump straight to the correct technical data, and fix the problem on the first try.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Routine Maintenance | 31-41 | Lubricants and Capacities, Service Schedules, Greasing, Hydraulics, Transmission, Engine |
| Service Brakes | 567 | Dismantling and Assembly, Bleeding Procedure |
| Technical Data | 568-570 | Technical Data Tier 2 |
Documents This Manual Refers To
The manufacturer cites these publications by number. We carry them:
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| JS130W, JS145W, JS160W | ||
| Engine Oil Capacity (JS130W, JS145W, JS160W) | 12.1 litres | p. 33 |
| JS175W | ||
| Engine Oil Capacity, JS175W | 21.5 litres | p. 34 |
| All Models | ||
| Hydraulic System Fluid Capacity | 124 litres | p. 33 |
| Fuel Tank Capacity | 240 litres | p. 33 |
| Wheel Nut Tightness | 500 Nm | p. 47 |
| Control Valve Spool Stroke | 8 mm | p. 283 |
| Battery Securing Bolts Torque | 19.6-29.4 Nm | p. 104 |
| JS130W/JS145W | ||
| Slew Motor Weight, JS130W/JS145W | 99 kg | p. 361 |
| JS160W/JS175W | ||
| Slew Motor Weight, JS160W/JS175W | 197 kg | p. 378 |
![JCB JS145W, JS160W, JS20 MH, JS145W [T4F], JS160W [T4F] operator station component location diagram and control list.](https://youfixthis.com/wp-content/uploads/2026/06/jcb-js145w-to-mh-wheeled-excavator-operator-manual-9831-5150-controls-29-150x150.webp)
