This shop service repair manual covers the B-275, B-414, 354, 364, 384, 424, 444, 2424, and 2444 tractor series, primarily produced from the late 1950s through the 1970s. These robust tractors, manufactured in the United States and the United Kingdom, were known for their reliable performance and durability in agricultural applications, serving as essential workhorses of their time. They feature a range of diesel engines with horsepower typically ranging from 30 to over 60 HP, paired with constant mesh manual transmissions, often including a reversing transmission unit. Their engineering quality and straightforward design contribute to their lasting utility for owners and operators. This comprehensive English-language manual provides detailed shop-level service and repair information for all major systems, including the engine, fuel, cooling, electrical, transmission, hydraulic, brakes, steering, front and rear axles, power take-off, belt pulley, and governor. It includes routine maintenance procedures, troubleshooting guides for common issues, step-by-step repair and overhaul instructions, precise adjustment procedures, and critical technical specifications such as torque values and fluid capacities. The manual is presented in an improved format, offering enhanced usability with bookmarks, searchable text, and indexing, making it an indispensable resource for owners, mechanics, and restoration specialists to maintain and repair these tractors effectively.