Industrial Tractor · 1944Unverified
Allis Chalmers M7
Allis Chalmers M7 — Industrial tractor · 63 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
63 hp
Weight
2620 to 3120 pounds
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Overview
ManufacturerAllis ChalmersReference
Industrial tractorReference
Built in West Allis, Wisconsin, USAReference
Total built291Reference
The M19 Snow Trailer was designed to be used with the M7.Reference
Drivehalf-trackReference
Manual steeringReference
Open operator station. Canvas cab available.Reference
Engine
Willys 2.2L 4-cyl gasolineReference
Fuel tank39.7 LReference
Engine47.0 kWReference
Willys MBReference
gasolineReference
4-cylinder 8-valveReference
liquid-cooled inlineReference
Displacement2.2 LReference
Bore/Stroke79 x 111 mmReference
Power47.0 kWReference
Fuel systemcarburetorReference
Pre-heatinggasoline-fired boilerReference
Compression6.48:1Reference
Rated RPM4000Reference
Torque142.4 NmReference
Torque RPM2000Reference
StarterelectricReference
Starter volts6Reference
Oil capacity4.7 LReference
Coolant capacity11.4 LReference
Transmission
6-speed gearReference
TransmissionWarnerReference
TypegearReference
Gears6 forward and 2 reverseReference
Clutch203.2mm mechanical dry discReference
Three gears, plus reverse, with two-speed range shift.Reference
Dimensions
Wheelbase205 cmReference
Weight2620 to 3120 poundsReference
Front tire4.00-15Reference
Rear tire70x12Reference
Industrial front4.00-15Reference
Industrial rear70x12 skisReference
Length332 cmReference
Width160 cmReference
Height162 cmReference
Clearance (front axle)32 cmReference
Clearance (front axle)34 cmReference
Clearance (drawbar)40 cmReference
Front tread131 cmReference
Front tread101 cmReference
Rear tread114 cmReference
Shipping1188 kgReference
Operating1415 kgReference
M7 Serial Numbers
Location:Serial number plate on the right side of the driver's compartment.Reference
Electrical
GroundnegativeReference
Charging systemgeneratorReference
Charging amps40Reference
Battery volts6Reference
Battery AH116Reference
Capacities
Tow capacity1360 kgReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.