Target Audience:
Allis-Chalmers C Tractor owners, independent mechanics, agricultural repair professionals
Value Proposition:
Provides factory-level repair and maintenance information, enabling significant cost savings on repairs and maintenance.
Information Source:
Manufacturer-produced, ensuring accuracy and completeness.
Content Style:
Clear, concise text combined with diagrams, illustrations, and wiring schematics.
Primary Focus:
Service, Repair, Troubleshooting, Maintenance
Estimated Count:
Refer to actual PDF for exact count, typically 500+ pages for this era of tractor service manual
Type:
Workshop Manual / Service Manual
Engine:
Detailed overhaul, diagnosis, tuning, lubrication, cooling system, fuel system, ignition system, starting system
Transmission:
Disassembly, assembly, adjustment, troubleshooting of transmission components
Clutch:
Service, adjustment, replacement of clutch assembly
Rear Axle And Final Drive:
Differential service, axle shaft removal and installation, hub assemblies
Steering System:
Steering gear diagnosis and repair, linkage adjustments
Braking System:
Brake band adjustment, service procedures, hydraulic components (if applicable)
Electrical System:
Wiring diagrams, starter motor, generator/alternator, battery, lighting system, ignition coil, distributor
Hydraulics And Power Takeoff:
Hydraulic lift system service, PTO operation and repair
Front Axle And Steering Linkage:
Front wheel bearing service, tie rod end replacement, king pin overhaul
Operator Controls:
Description and adjustment of levers, pedals, and controls
Cooling System:
Radiator, water pump, thermostat service
Fuel System:
Carburetor overhaul, fuel tank and lines, fuel pump
General Repair:
Step-by-step repair instructions for all major components
Troubleshooting:
Diagnostic charts and procedures for identifying and resolving common problems
Maintenance:
Recommended service intervals, lubrication points, fluid change procedures
Overhaul:
Detailed instructions for complete engine, transmission, and component rebuilds
Specifications:
Torque values, clearances, fluid capacities, adjustments
Depth:
Comprehensive, from basic maintenance to advanced engine rebuilds and troubleshooting
Engine Model:
Allis-Chalmers Model B (typically, shared components)
Engine Type:
Inline 4-cylinder, gasoline (standard for C model)
Displacement:
Approximately 149 cu. in. (2.4 L)
Horsepower Rating:
Approx. 28-32 PTO HP (depending on tune and configuration)
Carburetor Type:
Typically Marvel-Schebler
Oil Type Recommendation:
Refer to manual for specific SAE viscosity grades based on temperature, likely SAE 30 or 10W-30 for gasoline engine.
Coolant Type:
Water and antifreeze mixture (refer to manual for specific ratios and types)
Engine Oil Change:
Typically every 50 operating hours or annually, refer to manual for exact intervals.
Air Filter Cleaning:
Frequent cleaning recommended, especially in dusty conditions.
Grease Points:
Daily or weekly greasing of various pivot points and bearings is crucial.
Transmission Hydraulic Fluid:
May share common reservoir with transmission; refer to manual for correct type and capacity, often a multi-purpose tractor fluid (MTO) or specific gear oil.
Engine Oil Capacity:
Approx. 5 quarts (4.7 liters), refer to manual for exact capacity.
Common Wear Items:
Clutch wear, carburetor issues, ignition system components, hydraulic cylinder seals.
Engine Performance:
Loss of power due to worn rings, incorrect valve lash, or fuel/ignition system issues.
Storage Recommendations:
Refer to manual for seasonal storage procedures, including fuel stabilizer and protective measures.
Company Origin:
Allis-Chalmers, a prominent American manufacturer of agricultural and construction machinery.
Introduction Year:
Introduced in 1947 as an evolution from the highly successful Model B.
Production Period:
Produced from 1947 to 1955.
Market Impact:
A popular and versatile tractor for small to medium farms, known for its reliability and ease of use.
