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Allis Chalmers 645B vs Allis Chalmers HD-16G
Verdict: Allis Chalmers 645B vs Allis Chalmers HD-16G
The Allis Chalmers 645B and the Allis Chalmers HD-16G are both industrial tractors — here is how they stack up on the figures that matter. Allis Chalmers 645B leads on rated power with 151 hp against 150 hp. Allis Chalmers 645B is the newer design (1972 vs 1956). In short: choose the Allis Chalmers 645B for outright pulling power, or the Allis Chalmers HD-16G 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
85
Fit score
Best match
Clear
Allis Chalmers
85
Fit score
Best match
Clear
Rated power
151 hp
150 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Allis ChalmersReference
Allis ChalmersReference
liquid-cooled inlineReference
liquid-cooledReference
Total built
2232Reference
—
Final drives
planetaryReference
—
Drive
—
crawlerReference
Engine
Engine (net)
112.6 kWReference
111.9 kWReference
Displacement
7.0 LReference
13.8 LReference
Bore/Stroke
108 x 127 mmReference
133 x 165 mmReference
Power (net)
112.6 kWReference
111.9 kWReference
Rated RPM
2200Reference
1800Reference
Starter type
electricReference
—
Starter
—
electricReference
Starter volts
—
24Reference
Oil capacity
—
22.7 LReference
Coolant capacity
—
68.1 LReference
Transmission
Type
power shiftReference
torque converterReference
Gears
4 forward and reverseReference
3 forward and 2 reverseReference
PTO & Hydraulics
Pump flow
268.7 lpmReference
—
Steering flow
68.1 lpmReference
—
Hydraulic system
—
208.2 LReference
Capacity
—
208.2 LReference
Dimensions
Wheelbase
294 cmReference
—
Weight
—
22044 kgReference
Length
—
589 cmReference
Height
—
252 cmReference
Shipping weight
—
22044 kgReference
Allis Chalmers 645B attachments
Electrical
Charging system
alternatorReference
—
Capacities
Fuel
—
378.5 LReference
Allis Chalmers HD-16G attachments
Allis Chalmers HD-16G Tracks
Width
—
281 cmReference
Length on ground
—
294 cmReference
Area on ground
—
2.8 m²Reference
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.