Tractors > Allis Chalmers > HD21

Allis Chalmers HD21



Allis Chalmers HD21 tractor photo
1954 - 1965
Model year
Agricultural Crawler tractor
Production
ManufacturerAllis Chalmers
Agricultural Crawler tractor
Built in Springfield, Illinois, USA
Allis Chalmers HD21 Engine
Allis-Chalmers 13.8L 6-cyl diesel
Fuel tank135 gal
511.0 L
Engine details ...
Allis Chalmers HD21 Transmission
2-speed torque converter
Transmission details ...
Allis Chalmers HD21 Power
Engine225 hp
167.8 kW
Drawbar (tested)135.12 hp
100.8 kW
Performance test details ...
Mechanical
Drivecrawler
Contracting band brakes
Open operator station.
Photos
Allis Chalmers HD21
Allis Chalmers HD21 photos...
Dimensions & Tracks
Weight45500 lbs
20638 kg
Tracks
Full dimensions and tracks ...
HD21 Serial Numbers
Location:Steering clutch housing or instrument panel
References
HD21 references literature
Engineering-in-Action published in 1956, by Allis Chalmers
Page information
Contact: Peter Easterlund
Updated on August 23, 2022
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