This document pertains to the Volvo BM L90B, a versatile machine designed for various operational demands. Engineered for reliability and performance, the L90B features a robust diesel engine and an Automatic PowerShift transmission with 4 forward and 4 reverse gears, supported by an all-wheel-drive system. While specific production years and detailed specifications for its engine displacement, power, torque, operating weight, and dimensions are not detailed, the inherent quality of Volvo BM engineering ensures this model is built for demanding tasks. This Service Manual / Repair Manual, presented in English, is intended for professional workshop technicians. It provides comprehensive guidance on the maintenance, repair, and technical aspects of the Volvo BM L90B. Key areas covered include detailed procedures for scheduled maintenance, lubrication requirements, and system specifications. By consulting this manual, technicians can effectively ensure the optimal performance, longevity, and safe operation of the vehicle through accurate servicing and troubleshooting.