The Volvo BM 2650 and 2654 represent robust agricultural tractors from the 1970s and early 1980s, built in Sweden. These machines were designed for demanding fieldwork and forestry applications, embodying Volvo BM's heritage of durable engineering and reliable performance. Powered by Volvo D60/D70 series diesel engines, typically around 5.5 to 6.0 liters and producing approximately 60-80 horsepower, they feature a manual synchromesh gearbox with multiple forward and reverse gears. Key characteristics include their sturdy construction, essential for agricultural tasks, and a focus on functional utility rather than modern technological amenities. This workshop manual provides comprehensive service and repair information for the Volvo BM 2650 and 2654 tractors. It covers all major systems, including detailed procedures for engine disassembly, assembly, and overhaul of the D60/D70 series engines, as well as servicing for the fuel, cooling, lubrication, transmission, hydraulic, braking, electrical, and steering systems. The manual includes essential guidance on preventative maintenance, troubleshooting, repair and overhaul, adjustment procedures, torque specifications, and the identification of special tools. Its in-depth technical content is designed to assist owners, mechanics, and technicians in maintaining and repairing these agricultural workhorses, ensuring their continued reliability and operational efficiency.