The JCB Teletruk, encompassing models 2.0D G, 2.5D G, 3.0D G, 3.0D, and 3.5D with serial numbers 78001 onwards, represents a robust line of material handling equipment. These machines are engineered for demanding operational environments, featuring powerful diesel engines with displacements ranging from 2.0L to 3.5L and hydrostatic transmissions for precise control. Select models, including the 3.0D and 3.5D, offer 4x4 capability for enhanced traction. The Teletruk's design prioritizes reliability and efficiency, with a heavy-duty steel chassis, advanced operator presence systems, and audible warning alarms contributing to its operational safety and performance. This Workshop Service Manual provides comprehensive guidance for the maintenance and repair of the JCB Teletruk. It covers essential areas including detailed maintenance procedures for engine oil filter, fuel filter, and hydraulic filter replacement, along with fluid capacities and service intervals. Technical specifications for engine, transmission, and performance capabilities such as lift capacity and height are detailed, alongside information on the electrical and cooling systems. Safety features and operator controls are also explained, ensuring that owners, mechanics, and technicians have the necessary information to maintain the vehicle's optimal performance and longevity.