Massey Ferguson MF 340, 350, 355, 360, 362, 365, 372, 375, 382, 383, 390 Tractor Workshop Manual 1986–2000 (P/N 1449244M5)

• Coverage: MF 340, 350, 360, 390, 399, and variants (2WD, 4WD, and cab configurations)
• Official Publication: P/N 1449244M5, Issue 8 (Rev 12/96)
• Engine Families: Perkins AD3.152, AT3.1524, A4.236, A4.248, AT4.236, A6.3544, and 1006 series
• Specifications: 1,174 pages of factory data, exploded diagrams, and maintenance schedules
• Drivetrain & Axle Coverage:
  • Multi-Power transmission assemblies
  • 18-Speedshift gearboxes
  • Epicyclic final drive reduction
  • No-Spin and Hydrolock differentials
  • Comaxle 4WD front axles
  • Oil-immersed disc brakes
• Key Systems & Components:
  • Orbitrol hydrostatic steering
  • CAV distributor injection pumps
  • Independent PTO setups
  • Auxiliary hydraulic valves
  • PAVT cast center wheels
  • Cab air conditioning circuits

This eighth-issue PDF release serves as the primary technical reference for the entire 300 Series production run. It supplies the detailed bolt torque values and fluid capacity tables often missing from standard operator literature. Instead of relying on expensive dealership visits, shop owners and mechanics can reference step-by-step teardown instructions for complex jobs like splitting the tractor (covering both cab and footstep models), overhauling the 12-speed shuttle gearbox, rebuilding the Orbitrol steering cylinder, and servicing the hydraulic lift pump. Please note that this page provides a structural overview of the manual's contents, not actual step-by-step repair instructions.

Inside the Manual

The documentation delivers structural and mechanical data intended for shop-floor reference. Major sections break down engine configurations, complete cooling system parameters, and fuel and air system servicing. It cleanly categorizes clutch mechanisms, synchromesh gearboxes, and final drive assemblies, highlighting specific epicyclic ratios and mounting point geometry.

You will also find deep technical data on the electrical and hydraulic systems, including wiring diagrams, pump outputs, auxiliary valve filtration requirements, and air conditioning troubleshooting. To support complex teardowns, the manual includes bolt torque charts, inverted plan views of tractor mounting points, hydraulic flow schematics, and detailed component drawings. Routine maintenance is mapped out with exact fluid volumes for engines, transmissions, and front axles to simplify service scheduling. For a broader look at how these technical documents are organized, see our guide on factory workshop documentation structure.

Common Workshop Pitfalls

When reassembling these models after a tractor split, technicians often overlook the shear tube end float on the PTO drive shaft. Failing to strictly maintain the 0.4 to 2.5 mm clearance during the mating process will quickly damage the main drive components. Additionally, overhauling the heavy-duty epicyclic hubs requires precise pre-load measurements on the planetary carrier to prevent premature bearing failure under heavy draft loads.

Sample Technical Specifications

To give you an idea of the technical depth, the A4.236 engine assembly table lists cylinder head bolt torque at 120 Nm. The MF 399 cooling system capacity is documented at 20.1 liters, and fuel system calibration for the AD3.152 specifies a piston displacement of 6.93 mm. Radiator pressure cap ratings are maintained at 0.75 bar across the entire lineup.

Having exact bolt torques and factory tolerances directly at the workbench removes the guesswork from critical overhauls, ensuring the machinery withstands intense agricultural use. Because working on heavy equipment requires precision to ensure safe operation, the data provided here is strictly for overview purposes. Always rely on the complete factory documentation before executing any mechanical work, testing hydraulic pressures, or applying torque.