Target Audience:
Allis-Chalmers WD Tractor owners, operators, mechanics, and restoration enthusiasts.
Value Proposition:
Enables users to perform their own repairs, saving significant costs on professional labor and potentially preventing costly mistakes.
Primary Benefit:
Empowers users with the knowledge to maintain and repair their tractor, increasing uptime and longevity.
Content Highlight:
Comprehensive coverage of all services and repairs, including routine maintenance.
User Experience:
Easy-to-follow, step-by-step instructions with illustrative pictures and diagrams.
Manual Type:
Workshop Service Manual (WSM)
Primary Coverage:
Service, Repair, Maintenance, Troubleshooting
Secondary Coverage:
Routine Maintenance, Overhauls, Diagnostics
Estimated Page Count:
Refer to original WSM; typically hundreds of pages for comprehensive coverage.
File Format:
PDF Download
Print Quality:
Full Printable
Delivery Method:
Instant Download
Software Requirement:
Adobe PDF Reader
Operating System Compatibility:
All Versions of Windows & Mac
Engine Mechanical:
Complete engine overhaul, cylinder head, block, pistons, rings, crankshaft, camshaft, valve train, lubrication system.
Engine Fuel System:
Carburetor service, fuel pump, fuel lines, filters, tank.
Engine Ignition System:
Spark plugs, distributor, ignition coil, wiring.
Cooling System:
Radiator, water pump, thermostat, hoses, fan.
Electrical System:
Wiring diagrams, starter, generator/alternator, battery, lighting, switches.
Transmission And Drivetrain:
Clutch, gearbox, final drive, rear axle, differential.
Hydraulic System:
Tractor Power-Lift (TPL) system, hydraulic pump, control valve, cylinders, filters, fluid specifications.
Steering System:
Steering gears, linkages, adjustments.
Braking System:
Brake operation, adjustments, service.
Front Axle And Suspension:
Front wheel bearings, steering knuckles, tie rods.
Wheels And Tires:
Tire inflation, wheel mounting.
Body And Chassis:
Sheet metal, fenders, operator's platform, drawbar.
Maintenance Procedures:
Regular lubrication, fluid checks and changes, filter replacements, tune-ups.
Repair Procedures:
Step-by-step instructions for component disassembly, repair, and reassembly.
Troubleshooting Guides:
Diagnostic charts for identifying and resolving common problems.
Overhaul Instructions:
Detailed procedures for complete engine, transmission, and hydraulic system rebuilds.
Adjustments:
Clutch, brakes, governor, steering, hydraulic controls.
Wiring Diagrams:
Comprehensive electrical schematics for troubleshooting and repair.
Depth Level:
In-depth, professional quality
Detail Level:
Easy to follow step-by-step instructions with pictures
Diagnostic Capability:
Advanced diagnostics and troubleshooting for all systems
Engine Model:
Allis-Chalmers Model "C" Series 4-cylinder gasoline (standard)
Engine Type:
Overhead Valve (OHV)
Engine Displacement:
201 cubic inches (3.3 Liters)
Bore X Stroke:
3.75 in. x 4.50 in. (95.25 mm x 114.3 mm)
Rated Horsepower:
Approximately 34 PTO HP / 28 Drawbar HP (varies with specific configuration and testing standards)
Carburetor Type:
Marvel-Schebler (specific model varies)
Fuel Type:
Gasoline (early models), also available with LPG or Diesel options in some configurations (WD-45).
Cooling Method:
Water Cooled, Thermostatically Controlled
Oil Capacity:
Approximately 5 quarts (4.7 liters) with filter.
Recommended Oil Viscosity:
SAE 30 (seasonal variations apply; consult manual for specifics).
Engine Oil Change:
Every 50 hours of operation or annually.
Air Cleaner Service:
Cleaned frequently, serviced as needed based on operating conditions (e.g., every 10 hours in dusty conditions).
Fuel Filter Replacement:
As needed, typically annually or when performance issues arise.
Transmission Oil Change:
Every 500 hours of operation or annually.
Hydraulic Fluid Type:
Allis-Chalmers HD Fluid or equivalent; consult manual for precise specifications (often a hydraulic oil with mild detergency).
Common Wear Points:
Clutch wear, hydraulic pump seals, carburetor leaks, PTO clutch adjustment, steering play.
Engine Performance Loss:
Can be due to ignition timing, carburetor adjustment, valve clearance, or compression issues.
Hydraulic Lift Problems:
Often related to low fluid levels, worn seals in the pump or cylinders, or a faulty control valve.
