HD20 by Allis Chalmers

1951 - 1954

1951 - 1954 Agricultural Crawler tractor

Production

Production Manufacturer:Allis Chalmers
Type:Agricultural Crawler tractor
Factory:Springfield, Illinois, USA
Total built:3,100

Allis Chalmers HD20 Power

Allis Chalmers HD20 Power Engine (net):175 hp
130.5 kW
Drawbar (claimed):117 hp
87.2 kW
Drawbar (tested):116.7 hp
87.0 kW
power test details ...

1951 - 1954

1951 - 1954
Agricultural Crawler tractor

Nebraska Tractor Test 465

Nebraska Tractor Test 465

July 1951
Drawbar performance
Max power:116.7 hp
87.0 kW
Max pull:30,464 lbs
13818 kg

Allis Chalmers HD20 Engine

Allis Chalmers HD20 Engine General Motors 10.8L 6-cyl diesel Fuel tank:120 gal
454.2 L
Engine details ...

1951 - 1954

1951 - 1954
Agricultural Crawler tractor

Engine Detail

Engine Detail
General Motors
blower diesel
6-cylinder
liquid-cooled 2-cycle vertical I-head
Displacement:660 ci
10.8 L
Bore/Stroke:5.00x5.60 inches
127 x 142 mm
Compression:18.0:1
Rated RPM:1700
Starter volts:24
Coolant capacity:60 qts
56.8 L

Mechanical

Mechanical Chassis:crawler
Cab:Open operator station.
Transmission:2-speed torque converter
Transmission details ...

1951 - 1954

1951 - 1954
Agricultural Crawler tractor

Transmission

Transmission
Type:torque converter
Gears:2 forward and 1 reverse

Dimensions & Tracks

Dimensions & Tracks Weight:41000 lbs
18597 kg
tracks Full dimensions and tracks ...

1951 - 1954

1951 - 1954
Agricultural Crawler tractor

Allis Chalmers HD20 Tracks

Allis Chalmers HD20 Tracks
Size:tracks

Dimensions

Dimensions
Length:191 inches
485 cm
Height:95 inches
241 cm
Weight:41000 lbs
18597 kg

HD20 Serial Numbers

HD20 Serial Numbers Location:Steering clutch housing or instrument panel
1951:3001
1952:3828
1953:4923
1954:5737

how to read serial numbers...

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