Tractors > Allis Chalmers > HD21 A

Allis Chalmers HD21 A Engine



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1954 - 1965
Model year
Agricultural Crawler tractor
Engine Detail
Allis-Chalmers 21000
turbocharged diesel
6-cylinder
liquid-cooled vertical I-head
Displacement844 ci
13.8 L
Bore/Stroke5.25x6.50 inches
133 x 165 mm
Power268 hp
199.8 kW
Fuel systemdirect injection
Air cleaneroil bath
Compression14.5:1
Rated RPM1825
Starter volts24
Coolant capacity80 qts
75.7 L
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Updated on September 1, 2022
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