Tractors > Allis Chalmers > HD21

Allis Chalmers HD21 Engine



Allis Chalmers HD21 tractor photo
1954 - 1965
Model year
Agricultural Crawler tractor
Engine Detail
Allis-Chalmers
supercharged diesel
6-cylinder
liquid-cooled vertical I-head
Displacement844 ci
13.8 L
Bore/Stroke5.25x6.50 inches
133 x 165 mm
Power225 hp
167.8 kW
Air cleaneroil bath
Compression13.3:1
Rated RPM1800
Starter volts24
Coolant capacity80 qts
75.7 L
Page information
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Updated on September 2, 2023
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