Target Audience:
Farmers, ranchers, and agricultural contractors needing a reliable general-purpose row-crop tractor
Competitive Advantage:
Power Director transmission offered on-the-go shifting, boosting productivity compared to many contemporaries
Transmission:
Power Director (optional) with live PTO and hydraulic system
Engine Options:
Gasoline, diesel, and LP gas versions
Hydraulics:
Allis-Chalmers Snap-Coupler for easy implement attachment (later models)
Coverage Areas:
Complete tear-down and rebuild procedures for engine, transmission, hydraulics, and electrical system
Page Count:
Approximately 600 pages
Manual Type:
Workshop Service Repair Manual
File Format:
PDF (instant download)
Delivery Method:
Instant download after purchase
Engine:
Complete overhaul and repair procedures for gasoline, diesel, and LP gas engines
Transmission:
Standard and Power Director transmission service, including shift linkage and gear train
Clutch:
Clutch adjustment and replacement
Differential and Final Drive:
Service and adjustments for rear axle
Hydraulic System:
Pump, control valves, lift cylinder, and Snap-Coupler service
Brakes:
Brake adjustment, relining, and overhaul
Steering:
Steering gear and tie rod service
Electrical System:
Wiring diagrams, starter, alternator/generator, and battery check
PTO:
PTO engagement and repair procedures
Maintenance:
Scheduled maintenance steps and lubrication charts
Disassembly and Assembly:
Step-by-step instructions with torque specifications
Adjustment and Tune-up:
Specifications for engine tune-up, clutch pedal free play, and other adjustments
Testing and Diagnostics:
Troubleshooting guides for engine, hydraulic, and electrical issues
Level:
Comprehensive workshop-level detail
Illustrations:
Numerous diagrams and exploded views
OEM Part Numbers:
Referenced throughout for correct replacement parts
Interchangeability:
Notes on interchangeability among series variants where applicable
Gasoline:
Allis-Chalmers 4-cylinder, 230 cu in, 42 hp (drawbar), 50 hp (PTO)
Diesel:
Allis-Chalmers 4-cylinder diesel, 230 cu in, comparable output
LP Gas:
Allis-Chalmers LP gas version, same displacement
Bore and Stroke:
3.625 x 4.5 inches (gasoline)
Compression Ratio:
6.6:1 (gasoline)
Fuel System:
Carburetor (gas/LP) or diesel injection pump
Starting System:
6-volt electrical system (early); 12-volt on later models
Type:
Manual unsynchronized gear
Gears:
6 forward, 2 reverse
Type:
Power Director (two-speed shift on-the-go)
Gears:
Same 6 forward, 2 reverse but each gear has low and high range, effectively 12 forward and 4 reverse
Clutch:
Dual-stage clutch for live PTO
Shift Operation:
On-the-go shifting with Power Director
Crash Test Information:
N/A - Tractor safety not rated via crash testing
Brakes:
Dry disc brakes (later models) requiring adjustment
Steering:
Manual steering (optional power steering on later models)
Operator Protection:
ROPS not standard of the era; add-on available
Safety Labels:
Caution decals for PTO and moving parts
Engine Oil:
Every 100 hours
Transmission/Hydraulic Oil:
Every 1,000 hours or annually
Engine Oil:
SAE 30 (API service CC or higher)
Transmission/Hydraulic:
Allis-Chalmers P062 or equivalent
Coolant:
50/50 ethylene glycol and water
Common Wear Items:
Carburetor kits, distributor points, brake bands, hydraulic seals
Known Weaknesses:
Early models may have weak starter drives; eventually upgraded
Manufacturer:
Allis-Chalmers Manufacturing Company
Heritage:
Known for innovative engineering in agricultural equipment
Predecessor:
Allis Chalmers WD-45
Successor:
Allis Chalmers One-Ninety (190)
Series Changes:
Series I (1957-1958), Series II (1959-1960), Series III (1961-1963), Series IV (1964-1967)
Plant:
West Allis, Wisconsin, USA
