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Allis Chalmers HD-21 vs Allis Chalmers HD-21 Series B
Verdict: Allis Chalmers HD-21 vs Allis Chalmers HD-21 Series B
The Allis Chalmers HD-21 and the Allis Chalmers HD-21 Series B are both industrial tractors — here is how they stack up on the figures that matter. Allis Chalmers HD-21 Series B leads on rated power with 273 hp against 268 hp. Allis Chalmers HD-21 Series B is the newer design (1969 vs 1967). In short: choose the Allis Chalmers HD-21 Series B for outright pulling power, or the Allis Chalmers HD-21 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a 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
268 hp
273 hp
Confidence
40%
40%
Guide price
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Overview
Manufacturer
Allis ChalmersReference
Allis ChalmersReference
liquid-cooledReference
liquid-cooledReference
Drive
crawlerReference
crawlerReference
Engine
Engine (net)
199.8 kWReference
—
Displacement
13.8 LReference
13.8 LReference
Bore/Stroke
133 x 165 mmReference
133 x 165 mmReference
Power (net)
199.8 kWReference
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Starter
electricReference
electricReference
Starter volts
24Reference
24Reference
Engine
—
203.6 kWReference
Power
—
203.6 kWReference
Transmission
Type
power shiftReference
power shiftReference
Gears
2 forward and reverseReference
2 forward and reverseReference
Dimensions
Weight
22680 kgReference
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Shipping weight
22680 kgReference
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Electrical
Charging system
—
alternatorReference
Charging amps
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20Reference
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.