The JCB Fastrac, encompassing models 125, 135, 145, 150, 155, and 185, represents a significant innovation in agricultural and utility tractor design. Engineered for superior performance, the Fastrac is distinguished by its unique ability to achieve high road speeds, combining the power and versatility required for demanding agricultural tasks with unprecedented on-road efficiency and safety. Its robust construction, advanced suspension systems, and powerful Perkins 1000 Series engines ensure reliability and operational excellence, making it a leading choice for those seeking a high-performance, multi-purpose tractor.

This comprehensive service manual provides essential information for the maintenance, repair, and troubleshooting of your JCB Fastrac. Covering all major systems including the engine, hydrostatic transmission, hydraulics, electrical system, braking, and suspension, it offers detailed procedures for preventative maintenance, component overhaul, and diagnostics. With 677 pages of expert guidance, this manual is an indispensable resource for owners, technicians, and mechanics, enabling them to keep their Fastrac operating at peak performance and ensuring its longevity.