Target Audience:
Farmers and agricultural contractors requiring a row-crop tractor with high power output
Advantages:
Power Director transmission offered eight forward speeds; rugged construction and advanced hydraulics for its time
Engine:
Allis Chalmers diesel engine with high compression and fuel efficiency
Transmission:
Power Director with shift on-the-go under load
Engine:
Complete disassembly, inspection, and overhaul procedures for Diesel engine
Fuel System:
Injection pump, injectors, fuel lines, and fuel tank
Cooling System:
Radiator, water pump, thermostat, and hoses
Lubrication System:
Oil pump, oil filter, and lubrication points
Transmission:
Power Director transmission repair, clutch adjustment, and gear shifting
Final Drive:
Axle shafts, bearings, and seals
Brakes:
Service and parking brakes
Steering:
Manual steering gear adjustment
Hydraulic System:
Pumps, valves, cylinders, and three-point hitch
Electrical System:
Starter, alternator, wiring, lights, and gauges
Power Take-Off (PTO):
Independent PTO clutch and shaft
Sheet Metal and Body:
Repair of hood, fenders, and grille
Wheels and Tires:
Front and rear tire sizes, wheel removal and installation
Cab and Controls:
If equipped, cab repairs and control linkage
Routine Maintenance:
Scheduled services, fluid checks, and filters
Troubleshooting:
Diagnostic charts for engine, electrical, and hydraulic problems
Disassembly and Assembly:
Step-by-step procedures with clear instructions
Specifications:
Torque values, clearances, and wear limits
Repair and Overhaul:
Major components overhaul, including engine and transmission
Level:
Comprehensive factory-level detail suitable for professional mechanics
Illustrations:
Many diagrams, drawings, and exploded views
Parts Diagrams:
Exploded views with part numbers
Part Numbers:
OEM part numbers for ordering replacements
Compatibility:
Works on Windows, Mac, Linux, iOS, Android, and any PDF reader
Requirements:
A PDF reader is required; no special software needed
Searchability:
Text searchable for quick indexing of terms
Quality:
Clear high-resolution pages suitable for printing
Binding Type:
Digital (no physical binding)
Paper Type:
N/A - digital document
Manufacturer:
Allis Chalmers
Type:
Four-cylinder diesel
Displacement:
Approximately 302 cubic inches (4.9 liters)
Power:
Approximately 64 horsepower at the PTO
Torque:
Not specified in manual summary
Aspiration:
Naturally aspirated
Bore and Stroke:
4.25 x 5.25 inches (108 x 133 mm)
Compression Ratio:
16.2:1
Fuel Consumption:
Approximately 0.4 pounds per horsepower-hour
Fuel Pump:
Inline injection pump
Injection Nozzles:
Pintle type
Fuel Tank Capacity:
Approximately 25 gallons (95 liters)
Wheelbase:
Approximately 86 inches (218 cm)
Length:
Approximately 135 inches (343 cm)
Width:
Adjustable rear tread from 60 to 84 inches
Height:
Approximately 62 inches (to hood)
Curb Weight:
Approximately 7,400 pounds (3,360 kg)
Engine Oil Change:
Every 100 hours
Oil Filter Change:
Every 100 hours
Transmission Fluid Check:
Every 300 hours
Hydraulic Oil Change:
Every 1000 hours or annually
Air Filter Cleaning:
As needed, check daily in dusty conditions
Engine Oil:
SAE 30 (API class CD) for diesel engines
Transmission and Hydraulic Fluid:
Allis Chalmers Power Fluid 821
Coolant:
Ethylene glycol based antifreeze with corrosion inhibitor
Common Wear Items:
Injection pump seals, brake discs, hydraulic o-rings
Common Problem:
Power Director clutch slipping due to wear or misadjustment
