The BT Cargo Range Forklift Trucks, specifically the CBD 4.0, CBD 4.5, and CBD 5.0 models, are engineered for demanding industrial material handling. These robust machines feature a John Deere endothermic engine, renowned for its power and durability, coupled with an advanced Electronic Hydrostatic Transmission (EHT) that provides precise control and operational efficiency. The integrated Truck Control System (TCS) offers advanced functionality and diagnostics, further enhancing the performance and reliability of these forklifts. Designed to compete in the 4.0 to 5.0 metric ton capacity class, the BT Cargo Range emphasizes durable construction and user-friendly interfaces, making them a dependable choice for heavy-duty operations. This comprehensive workshop service manual provides essential information for the maintenance, repair, and troubleshooting of the BT Cargo Range Forklift Trucks. It covers all major truck systems, including the operator's seat and controls, dashboard indicators, John Deere engine, electronic hydrostatic transmission, hydraulic system, brakes, electrical system, TCS system, wheels and tires, steering unit, and masts. Detailed procedures for operation, maintenance, repair, and calibration are included, alongside extensive troubleshooting guidance for system faults and common issues. This manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their BT Cargo Range forklift trucks.