Allis Chalmers HD21 tractor specifications

1954 - 1965 Model year 1954-19581958-1965 Agricultural Crawler tractor

Production Manufacturer:Allis Chalmers
Type:Agricultural Crawler tractor
Factory:Springfield, Illinois, USA

Allis Chalmers HD21 Power Engine:225 hp
167.8 kW
Drawbar (tested):135.12 hp
100.8 kW
power test details ...

Model year 1954-19581958-1965

Agricultural Crawler tractor

Nebraska Tractor Test 550
Diesel 2-speed crawler July 6 - 18, 1955 Link: Nebraska Tractor Test 550 file
Drawbar performance
Max power:	135.12 hp 100.8 kW
Max pull:	40563 lbs 18399 kg

Allis Chalmers HD21 Engine Allis-Chalmers 13.8L 6-cyl diesel Fuel tank:135 gal
511.0 L
Engine details ...

Model year 1954-19581958-1965

Agricultural Crawler tractor

Engine Detail
Allis-Chalmers
supercharged diesel
6-cylinder
liquid-cooled vertical I-head
Displacement:	844 ci 13.8 L
Bore/Stroke:	5.25x6.50 inches 133 x 165 mm
Power:	225 hp 167.8 kW
Air cleaner:	oil bath
Compression:	13.3:1
Rated RPM:	1800
Starter volts:	24
Coolant capacity:	80 qts 75.7 L