1975-1983 Massey Ferguson MF255, MF265, MF270, MF275 & MF290 Tractor Shop Manual

Massey Ferguson MF255–MF290 Tractor Shop Manual 1975–1983

• Covers 1975–1983 Massey Ferguson MF255, MF265, MF270, MF275, and MF290 tractors including diesel and gasoline engine variants
• Official OEM publication form number not specified
• Contains over 100 pages of technical documentation, including torque specifications, fluid capacity tables, and engine component diagrams
• Accessible from your device as soon as the order is placed
• Suitable for printing individual sections for shop-floor use
• This 109-page document is the reference used for factory-level maintenance, documenting engine, hydraulic, transmission, and final drive specifications for the MF-series build

Technical Scope and Coverage

Component and System Documentation

The Massey Ferguson MF255–MF290 shop manual documents the service specifications for the Perkins engine family, including the AG4.212, AD4.203, A4.236, and A4.248 variants. The manual details the engine assembly, cylinder head, valve train, cooling system, and governor adjustments. It also documents the hydrostatic power steering system, including pump relief valve pressure settings and component breakdown for the Parker-Hannifin, Sundstrand, and Aero-Quip pumps.

The transmission documentation covers both the 8-speed gear change and the Multi-Power transmission systems, providing procedures for the pto input shaft, main output shaft, and range planetary units. Detailed data for the rear axle, planetary final drive, and wet or dry braking systems are included, with specific attention to bearing preloads and clearance settings for axle components.

Specification Highlights

Torque values for the MF255–MF290 series are compiled for the cylinder head, flywheel, main bearing caps, and connecting rods. Cylinder head bolt torque values are documented at 95–135 N-m across the specified models. The transmission, differential, and hydraulic system capacity is documented at 37.8 liters for dry brake models. Crankshaft main journal diameter is listed at 76.16–76.18 mm in the crankshaft clearance tables. The engine thermostat begins to open at 75°–78° C on MF255 models.