Massey Ferguson TO-30, TO-20, TE-20, and TE-A20 Tractor Parts Catalog 1950-1955 Parts List (P/N 693 041 M4)

• Covers 1950–1955 Massey Ferguson TO-20, TO-30, TE-20, and TE-A20 utility tractors with 80 mm and 85 mm engine configurations
• Official OEM publication P/N 693 041 M4, Issue 1 dated 5/73
• Contains 174 pages of exploded-view diagrams, part number indexes, and component identification lists
• Functions as the definitive first-edition reference for the TO/TE-series tractor line, featuring all original manufacturer assembly breakdowns
• Details replacement parts for the transmission, differential, clutch, brakes, carburetor, distributor, and belt pulley
• Covers the hydraulic pump, water pump, starter, generator, power take-off, tractormeter, fenders, and engine gasket kit

Parts Catalog Breakdown

When you are trying to source the exact replacement part for a vintage Massey Ferguson, relying on incorrect components causes costly delays. Available as a PDF, this catalog breaks down every assembly and sub-assembly for the TO, TE, and TE-A lines. You get detailed exploded views showing exactly how the engine block, cylinder head, fuel system, front axle, steering gear, and hydraulic controls fit together on the shop floor. To support daily shop operations, the manual provides specific visual resources, including 6-volt and 12-volt wiring diagrams, transmission assembly drawings, hydraulic pump schematics, PTO hardware charts, and carburetor component views. Each illustration corresponds directly to reference tables listing the official part numbers, descriptions, and quantities required for both the 80 mm and 85 mm bore engine variants.

While an OEM parts book does not offer written step-by-step repair instructions, these sequential component layouts act as a precise visual teardown and reassembly guide. This specific shop advantage allows mechanics to bypass expensive dealership labor when handling complex troubleshooting tasks—such as rebuilding the hydraulic lift shaft or servicing the internal governor components. Visualizing the exact factory order of washers, shims, and gears directly prevents reassembly errors and keeps your service bays clear.

Component Specification Previews

Knowing the factory baselines speeds up the restoration process. These utility tractors feature a 203 cubic inch engine displacement. Field operation is supported by a 50-liter fuel tank. For fluid management, the engine sump requires 17 liters of oil, while the hydraulic system takes 22 liters for implement control. The rear axle drive utilizes a standard 4-forward, 1-reverse speed transmission, and the PTO operational speed hits a steady 540 RPM. Please remember that working on aging heavy machinery carries inherent risks. Always double-check fluid types and torque values against actual shop conditions, and ensure your workspace follows standard safety protocols before tearing down an engine or servicing hydraulics.