Tractors > Allis Chalmers > HD21

Allis Chalmers HD21 Tests



Allis Chalmers HD21 tractor photo
1954 - 1965
Model year
Agricultural Crawler tractor
Nebraska Tractor Test 550
Diesel 2-speed crawler
July 6 - 18, 1955
Link: Nebraska Tractor Test 550 file
Drawbar performance
Max power135.12 hp
100.8 kW
Max pull40563 lbs
18399 kg
Page information
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Updated on September 2, 2023
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