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Allis Chalmers 712 vs Allis Chalmers B-12
Verdict: Allis Chalmers 712 vs Allis Chalmers B-12
The Allis Chalmers 712 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 712 holds more fuel (11.4 L vs 5.7 L) for longer stints between fills. Allis Chalmers 712 is the newer design (1974 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
Original price
$2,650 (1979 hydrostatic )Reference
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Variants
712S
shuttle-shiftReference
—
712H
hydrostaticReference
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Engine
Fuel tank
11.4 LReference
5.7 LReference
Displacement
29.1 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
Oil capacity
2.8 LReference
1.9 LReference
Oil change
annuallyReference
—
Transmission
Gears
infinite forward and reverseReference
6 forward and 2 reverseReference
Oil type
AC Power Fluid 401Reference
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Transmission
—
Hi-LoReference
PTO & Hydraulics
Type
belt-driven hydrostaticReference
gearReference
Mid PTO
independentReference
liveReference
Clutch
manualReference
—
Rear PTO
—
liveReference
Front PTO
—
liveReference
Dimensions
Wheelbase
122 cmReference
111 cmReference
Weight
785 to 805 poundsReference
—
Front tire
16x6.50-8Reference
6.50x8Reference
Rear tire
23x8.50-12Reference
23-8.50x12Reference
Lawn/turf front
16x6.50-8Reference
6.50x8Reference
Lawn/turf rear
23x10.50-12Reference
23-8.50x12Reference
Length
170 cmReference
172 cmReference
Width
95 cmReference
92 cmReference
Height
99 cmReference
95 cmReference
Shuttle Weight
356 kgReference
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Hydro Weight
365 kgReference
—
Ground clearance
20 cmReference
15 cmReference
Front tread
76 cmReference
—
Rear tread
68 cmReference
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Allis Chalmers 712 attachments
712 Serial Number Location
Electrical
Ground
negativeReference
—
Charging system
flywheel alternatorReference
—
Charging amps
15Reference
—
Battery volts
12Reference
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Battery AH
45Reference
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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.