This Service Repair Manual provides comprehensive guidance for the VOLVO BM L120B Wheel Loader. Engineered for demanding applications, this heavy equipment is recognized for its robust construction and reliable performance in various operational environments. The L120B is designed to meet the rigorous needs of construction, material handling, and other industrial tasks, embodying VOLVO BM's commitment to quality and efficiency in its product line. This manual serves as an essential resource for owners, mechanics, and technicians. It covers all aspects of the L120B, including detailed procedures for repair, servicing, technical maintenance, and troubleshooting. Within its 689 pages, you will find explicit information, diagrams, real photo illustrations, and schemes to facilitate step-by-step operations across key systems such as the engine, electrical and hydraulic systems, power transmission, brakes, steering, and frame. This English-language guide ensures that all maintenance and repair tasks can be performed with accuracy and confidence.