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Allis Chalmers 312 vs Allis Chalmers HB-112
Verdict: Allis Chalmers 312 vs Allis Chalmers HB-112
The Allis Chalmers 312 and the Allis Chalmers HB-112 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 12 hp. Allis Chalmers HB-112 is the lighter machine (337 kg vs 804 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 312 is the newer design (1971 vs 1968). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Allis Chalmers
62
Fit score
Best match
Clear
Allis Chalmers
62
Fit score
Best match
Clear
Rated power
12 hp
12 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Allis ChalmersReference
Allis ChalmersReference
air-cooledReference
air-cooled horizontal-shaftReference
Steering
manualReference
—
Variants
312
manual lift/PTOReference
—
312D
electric lift/PTOReference
—
312H
hydrostaticReference
—
Engine
Fuel tank
8.5 LReference
—
Displacement
29.07 ciReference
30.16 ciReference
Bore/Stroke
86 x 83 mmReference
83 x 87 mmReference
Power
8.9 kWReference
8.9 kWReference
Rated RPM
3600Reference
—
Starter volts
12Reference
12Reference
Oil capacity
1.9 LReference
1.7 LReference
Oil change
25 hReference
—
Air cleaner
—
oiled foamReference
Starter
—
electricReference
Transmission
Transmission
Vari-ShiftReference
—
Gears
infinite forward and reverseReference
infinite forward and reverseReference
Type
hydrostaticReference
hydrostaticReference
PTO & Hydraulics
Front PTO
independentReference
—
Clutch
electric (optional)Reference
—
Front PTO Type
3600Reference
—
Dimensions
Wheelbase
122 cmReference
121 cmReference
Weight
383 kgReference
337 kgReference
Front tire
16-6.50x8Reference
—
Rear tire
23-10.50x12Reference
—
Lawn/turf front
16-6.50x8Reference
—
Lawn/turf rear
23-10.50x12Reference
—
Length
187 cmReference
182 cmReference
Width
97 cmReference
101 cmReference
Height (steering wheel)
109 cmReference
95 cmReference
Clearance (front axle)
20 cmReference
22 cmReference
Clearance (rear axle)
15 cmReference
15 cmReference
Clearance (drawbar)
19 cmReference
—
Front tread
71 cmReference
—
Rear tread
77 cmReference
—
Height (hood)
—
84 cmReference
Shipping weight
—
337 kgReference
Allis Chalmers 312 attachments
312 Serial Number Location
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
starter-generatorReference
Charging amps
15Reference
—
Battery volts
12Reference
12Reference
Battery AH
—
40Reference
Attachment overview
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.