JCB 1115, 1115S, 1125, 1135 Tractor Service Manual

• Built for owners and technicians servicing JCB 1115, 1115S, 1125, and 1135 Fastrac models starting from serial number 0636001
• Original OEM factory publication, Form No. 9803/8010, Issue 1
• 562-page technical reference providing the exact data required for the maintenance and repair of the complete Fastrac drivetrain and hydraulic systems
• Includes 107 detailed exploded-view illustrations for internal mechanical and fluid components
• Contains comprehensive torque-setting tables specifically for metric grade 8.8 bolts and internal hexagon head screws
• Provides accurate fluid capacity specifications for the engine, axles, transmissions, and hydraulic circuits

What the Manual Documents

Accurate technical data is the backbone of any successful shop repair. This service manual provides the factory specifications needed to manage the full range of Fastrac agricultural equipment. It breaks down routine maintenance from daily walk-arounds up to major 2000-hour service intervals, detailing the lubrication, fluid replacement, and cleaning cycles for the cooling system, transmission, air system, and wheel assemblies. Need to access the electrical routing? The body and framework sections thoroughly detail cab maintenance, glazing, and electrical circuits.

The transmission and drivetrain chapters dissect the internal mechanics of the PTO, alongside the speed and range gearboxes. Additional sections cover braking systems, steering swivels, and front/rear axle management. For tractors equipped with specific factory upgrades, you will find dedicated breakdowns for the front lift ram, front PTO transfer box, and flow regulation valves. Clear diagrams denote pressure conditions, flow paths, and assembly sequences. Please remember that working on heavy agricultural machinery carries inherent risks; this manual serves as a technical reference, and you should always ensure you have the proper shop equipment and mechanical certification before tackling high-pressure hydraulic or heavy drivetrain tasks.

Specification Highlights

Precision matters when tearing down a Fastrac. The guide documents all essential fluid capacities, such as the 75-liter hydraulic system capacity and the 20-liter engine coolant volume. The front axle oil capacity requires exactly 7 liters in the housing and 1.9 liters in the hubs.

Torque values are strictly mapped out. You need to tighten the ROPS structure to 375 Nm (275 lbf ft), while gearbox drain plugs take a lighter 32–37 Nm (24–27 lbf ft). Engine specification data lists the intake valve clearance at 0.11–0.20 mm. Beyond basic mechanics, the manual includes detailed electrical test equipment pinouts and pressure test adapter configurations for troubleshooting the hydraulic circuits efficiently.