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Allis Chalmers 645B vs Allis Chalmers TL-20
Verdict: Allis Chalmers 645B vs Allis Chalmers TL-20
The Allis Chalmers 645B and the Allis Chalmers TL-20 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 130 hp. Allis Chalmers 645B is the newer design (1972 vs 1959). In short: choose the Allis Chalmers 645B for outright pulling power, or the Allis Chalmers TL-20 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
130 hp
Confidence
40%
40%
Guide price
—
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Overview
Manufacturer
Allis ChalmersReference
Allis ChalmersReference
liquid-cooled inlineReference
liquid-cooled inlineReference
Total built
2232Reference
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Final drives
planetaryReference
planetaryReference
Drive
—
4x4 4WDReference
Engine
Engine (net)
112.6 kWReference
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Displacement
7.0 LReference
8.5 LReference
Bore/Stroke
108 x 127 mmReference
113 x 141 mmReference
Power (net)
112.6 kWReference
—
Rated RPM
2200Reference
2200Reference
Starter type
electricReference
—
Engine (gross)
—
96.9 kWReference
Power (gross)
—
96.9 kWReference
Torque
—
433.9 NmReference
Torque RPM
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1640Reference
Starter
—
electricReference
Starter volts
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24Reference
Transmission
Type
power shiftReference
power shiftReference
Gears
4 forward and reverseReference
3 forward and reverseReference
Transmission
—
AllisonReference
PTO & Hydraulics
Pump flow
268.7 lpmReference
238.5 lpmReference
Steering flow
68.1 lpmReference
—
Hydraulic system
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127.7 LReference
Capacity
—
127.7 LReference
Pressure
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89.6 barReference
Dimensions
Wheelbase
294 cmReference
236 cmReference
Weight
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10546 kgReference
Front tire
—
16.00-24Reference
Rear tire
—
16.00-24Reference
Industrial front
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16.00-24Reference
Industrial rear
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16.00-24Reference
Length
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574 cmReference
Width
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233 cmReference
Height (steering wheel)
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220 cmReference
Shipping weight
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10546 kgReference
Ground clearance
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43 cmReference
Front tread
—
187 cmReference
Rear tread
—
187 cmReference
Allis Chalmers 645B attachments
Electrical
Charging system
alternatorReference
—
Capacities
Fuel
—
147.6 LReference
Allis Chalmers TL-20 attachments
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.