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Allis Chalmers HD10

Allis Chalmers HD10 tractor
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The Allis Chalmers HD10 is an agricultural crawler tractor produced from 1940 to 1950. It was built in Springfield, Illinois, USA, with a total production of 8,750 units. It features a General Motors 4.7L 4-cylinder blower diesel engine, liquid-cooled 2-cycle vertical I-head design, and a 6-speed sliding gear transmission with 6 forward and 2 reverse gears. The tractor has a drawbar power of 65 hp claimed and 82.19 hp tested, and belt power of 86 hp claimed and 98.5 hp tested. It rides on 18-inch tracks with a ground pressure of 7.16 psi and weighs between 20,380 and 21,455 pounds. The operator station is open, and the tractor is designed for crawler drive.
Allis Chalmers HD10tractorcrawler tractorGeneral Motors engine4.7L diesel6-speed transmissiontractor specsagricultural tractor
Power95 hp[B]
Founded1940 - 1950
ModelHD10

Technical Specifications

Detailed specifications and technical data for Allis Chalmers HD10

Power

Belt (tested):98.5 hp (73.5 kW)
Belt (claimed):86 hp (64.1 kW)
Drawbar (tested):82.19 hp (61.3 kW)
Drawbar (claimed):65 hp (48.5 kW)

Engine

Type:blower diesel
Cooling:liquid-cooled 2-cycle vertical I-head
Cylinders:4-cylinder
Fuel tank:44 gal (166.5 L)
Rated RPM:1600
Bore/Stroke:4.25x5.00 inches (108 x 127 mm)
Compression:16.0:1
Displacement:284 ci (4.7 L)
Manufacturer:General Motors
Oil capacity:13 qts (12.3 L)
Starter volts:12
Coolant capacity:39 qts (36.9 L)

Mechanical

Drive:crawler
Operator station:Open operator station.

Production

Type:Agricultural Crawler tractor
Built in:Springfield, Illinois, USA
Years made:1940 - 1950
Total built:8,750
Manufacturer:Allis Chalmers

References

1:It's a Modern Diesel - built for you published in 1941, by Allis Chalmers
2:Build a Better Farm published in 1940, by Allis Chalmers

Transmission

Type:sliding gear
Gears:6 forward and 2 reverse
Oil capacity:24 qts (22.7 L)

Serial Numbers

1940:2
1941:642
1942:1446
1946:5964
1947:6463
1948:7602
1949:8676
1950:9631
Final:10198
Location:Rear of transmission case or plate near instrument panel.

Dimensions & Tracks

Gauge:62 inches (157 cm)
Width:94 inches (238 cm)
Height:78 inches (198 cm)
Length:150 inches (381 cm)
Weight:20380 to 21455 pounds
Weight max:21455 lbs (9731 kg)
Track width:18 inches
Ground pressure:7.16 psi (0.5 bar)
Shipping weight:20380 lbs (62-inch tread) (9244 kg), 21050 lbs (74-inch tread) (9548 kg)
Track area on ground:2775 in² (1.8 m²)
Track length on ground:77.1 inches (195 cm)