1983-1989 Ford TW-5 / TW-15 / TW-25 / TW-35 Tractor Shop Manual
Ford TW-5, TW-15, TW-25 & TW-35 diesel tractor service procedures — engine overhaul, transmission repair, hydraulic lift systems, PTO clutch, differential lock, and complete powertrain diagnostics for 1983-1989 models.
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Sample pages from the 1983-1989 Ford TW-5 / TW-15 / TW-25 / TW-35 Tractor Shop Manual manual
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Ford Models Covered & Key Technical Specifications
Models: Ford TW-5, Ford TW-15, Ford TW-25, Ford TW-35
Sub-models / Variants: 2WD, Front Wheel Drive, Dual Power
Build Years: 1983–1989
Technical Data:
- Engine displacement: 401 cu. in. (6.6 L)
- Engine configuration: 6-cylinder, direct injection diesel
- Compression ratio: 16.3:1 (TW-5), 15.6:1 (TW-15, TW-25, TW-35)
- Rated power (PTO): 105.7 hp (TW-5), 121.4 hp (TW-15), 140.7 hp (TW-25), 170.3 hp (TW-35)
- Electrical system: 12-volt, negative ground, 128 Ampere Hour battery
- Valve clearance (Cold) intake: 0.014-0.016 in. (0.36-0.41 mm)
- Valve clearance (Cold) exhaust: 0.017-0.019 in. (0.43-0.48 mm)
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Ford TW Series 1983–1989 Technical Documentation
- Covers 1983–1989 Ford TW-5, TW-15, TW-25, and TW-35 tractors, including both 2WD and front-wheel drive variants
- Original OEM publication, first edition 1983
- Contains 56 exploded-view diagrams and 35 specification tables for engine, transmission, and hydraulic systems
- Accessible from your device as soon as the order is placed
- Suitable for printing individual sections for shop-floor use
- This 160-page factory manual is the foundational reference used for the entire TW production build
Mechanical and Hydraulic Systems Coverage
This Ford TW-5, TW-15, TW-25, and TW-35 workshop manual provides detailed technical specifications for the 6-cylinder direct-injection diesel engine. Coverage extends to the eight-speed transmission and optional Dual Power planetary gear assembly, with specific data regarding internal clearances, shim thickness requirements, and bearing preload procedures. The document includes comprehensive structural breakdowns for the front axle, final drives, and the hydrostatic power steering systems.
Engine and Component Specifications
Detailed tables within this Ford TW publication define torque requirements for engine assembly and cylinder head installation. Cylinder head bolt torque values are documented in a multi-stage sequence, with final-stage values specified at 160 ft.-lbs. The lubrication section provides detailed capacity data for the crankcase, transmission, and hydraulic reservoirs. Valve clearance for the intake is listed at 0.014–0.016 in. in the engine specification table. Crankshaft end play is documented at 0.004–0.008 in. for main bearing setups. Fluid capacity for the cooling system on the TW-35 with heater is specified at 24.25 U.S. Qts. This 160-page Ford OEM workshop manual covers the 1983–1989 TW-5, TW-15, TW-25, and TW-35, documenting engine, transmission, and hydraulic specifications for the complete model series.
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