This manual covers light and medium-duty commercial trucks, including the 145, 165, 185, 238, 258LP, 268, and 338 models. These trucks are built by Motors, Ltd., a subsidiary of Motor Corporation, known for producing reliable and durable commercial vehicles. Engineered for the demanding light and medium-duty commercial truck segment, these models offer a range of chassis configurations and powertrain options, including J05D-TF and J08E series turbocharged, intercooled diesel engines. With a reputation for operational efficiency and a long history in global commercial vehicle manufacturing, trucks are designed to minimize downtime and maximize productivity for fleet owners, owner-operators, and businesses relying on dependable transportation.

The 2009 Chassis Workshop Manual, code S1-UNAE05A-1/2, provides comprehensive technical information for maintenance, diagnosis, and repair. This extensive English-language manual covers critical areas such as the chassis, powertrain, electrical systems, and bodywork. It details scheduled maintenance, component removal and installation, diagnostic procedures, and technical specifications including torque values, fluid capacities, and electrical schematics. The manual is designed to assist mechanics, technicians, and owners in effectively maintaining their trucks, ensuring optimal performance and longevity through detailed, step-by-step instructions and troubleshooting guides.