This manual pertains to the heavy-duty long-haul tractor unit, renowned for its aerodynamic design, spacious and comfortable cab, and focus on powertrain efficiency. As a premium offering in its segment, it competed with other major manufacturers and was designed to meet the demands of long-distance transportation, prioritizing driver comfort and operational reliability. The DXi series engines, sharing technology with another major manufacturer, offered robust performance and fuel economy, further enhanced by the advanced automated manual transmission system.

This comprehensive workshop manual provides in-depth technical information and detailed procedures for the Automated Manual Transmission System. It covers essential areas including diagnosis, repair, and overhaul of the transmission control unit, actuators, clutch assembly, and gear selection mechanisms. The manual also details maintenance schedules, fluid specifications, and troubleshooting guides for common issues such as actuator failures or software glitches. Technicians and owners will find detailed disassembly and assembly instructions, adjustment and calibration procedures, electrical schematics, and special tool requirements, enabling effective maintenance and repair to ensure optimal performance and longevity of the vehicle's transmission system.