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Allis Chalmers 645B vs Allis Chalmers HD-16D
Verdict: Allis Chalmers 645B vs Allis Chalmers HD-16D
The Allis Chalmers 645B and the Allis Chalmers HD-16D are both industrial tractors — here is how they stack up on the figures that matter. Allis Chalmers HD-16D leads on rated power with 160 hp against 151 hp. Allis Chalmers 645B is the newer design (1972 vs 1960). In short: choose the Allis Chalmers HD-16D for outright pulling power, or the Allis Chalmers 645B 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
160 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
119.3 kWReference
Displacement
7.0 LReference
13.8 LReference
Bore/Stroke
108 x 127 mmReference
133 x 165 mmReference
Power (net)
112.6 kWReference
119.3 kWReference
Rated RPM
2200Reference
1600Reference
Starter type
electricReference
—
Fuel tank
—
378.5 LReference
Drawbar (claimed)
—
102.2 kWReference
Compression
—
14.5:1Reference
Starter
—
electricReference
Starter volts
—
24Reference
Oil capacity
—
39.7 LReference
Coolant capacity
—
60.6 LReference
Transmission
Type
power shiftReference
gearReference
Gears
4 forward and reverseReference
6 forward and 3 reverseReference
PTO & Hydraulics
Pump flow
268.7 lpmReference
—
Steering flow
68.1 lpmReference
—
Dimensions
Wheelbase
294 cmReference
—
Weight
—
15649 kgReference
Length
—
463 cmReference
Height
—
229 cmReference
Shipping weight
—
15649 kgReference
Ground clearance
—
37 cmReference
Gauge
—
187 cmReference
Allis Chalmers 645B attachments
Electrical
Charging system
alternatorReference
—
Variants
HD-16D
—
gearReference
HD-16DC
—
torque converterReference
HD-16DP
—
power shiftReference
Allis Chalmers HD-16D Tracks
Width
—
243 cmReference
Length on ground
—
273 cmReference
Area on ground
—
2.8 m²Reference
Ground pressure
—
0.6 barReference
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.