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Allis Chalmers 912 vs Allis Chalmers B-12
Verdict: Allis Chalmers 912 vs Allis Chalmers B-12
The Allis Chalmers 912 and the Allis Chalmers B-12 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 912 holds more fuel (11.4 L vs 5.7 L) for longer stints between fills. Allis Chalmers 912 is the newer design (1979 vs 1966). 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-cooled horizontal-shaftReference
air-cooled horizontal-shaftReference
Engine
Fuel tank
11.4 LReference
5.7 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
Air cleaner
dryReference
oiled foamReference
Rated RPM
3600Reference
3600Reference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Transmission
Gear Weight
299 kgReference
—
Gears
infinite forward and reverseReference
6 forward and 2 reverseReference
Oil capacity
2.8 LReference
1.9 LReference
Oil type
Allis-Chalmers Power Fluid 821Reference
—
Oil change
400 hReference
—
Transmission
—
Hi-LoReference
PTO & Hydraulics
Type
belt-driven hydrostaticReference
gearReference
Rear PTO
liveReference
liveReference
Mid PTO
liveReference
liveReference
Front PTO
liveReference
liveReference
Dimensions
Wheelbase
128 cmReference
111 cmReference
Weight
661 to 687 poundsReference
—
Front tire
16-6.50x8Reference
6.50x8Reference
Rear tire
23-8.50x12Reference
23-8.50x12Reference
Lawn/turf front
16-6.50x8Reference
6.50x8Reference
Lawn/turf rear
23-8.50x12Reference
23-8.50x12Reference
Length
177 cmReference
172 cmReference
Width
93 cmReference
92 cmReference
Height (steering wheel)
100 cmReference
—
Height (hood)
90 cmReference
—
Hydro Weight
311 kgReference
—
Clearance (front axle)
20 cmReference
—
Front tread
76 cmReference
—
Rear tread
68 cmReference
—
Height
—
95 cmReference
Ground clearance
—
15 cmReference
Allis Chalmers 912 attachments
Links
Electrical
Ground
negativeReference
—
Charging system
flywheel alternatorReference
—
Charging amps
15Reference
—
Battery volts
12Reference
—
Battery AH
45Reference
—
Attachment overview
Allis Chalmers B-12 attachments
B-12 Serial Number Location
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.