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Tractor · 1940Unverified

Allis Chalmers HD10

Name: Allis Chalmers HD10
Brand: Allis Chalmers

Allis Chalmers HD10 — Agricultural Crawler tractor · 65 hp. Reference specifications; pending source verification.

The Allis Chalmers HD10 is a tractor model featuring a rated power output of 65 hp, a mid-range figure for its class. Manufactured from 1940 to 1950, this model is equipped with a 4-cylinder diesel liquid-cooled engine and a tracked undercarriage paired with a 6-speed gearbox. The operating weight of the HD10 ranges from 20380 to 21455 pounds. It is suitable for operations spanning up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

65 hp

Max power

61.3 kW

Weight

20380 to 21455 pounds

Catalogue coverage

Variants represented

Richest spec table

59 rows

Recorded power

65 hp

Transmissions

6-speed

Production years

1940-1950

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerAllis ChalmersReference

Agricultural Crawler tractorReference

Built in Springfield, Illinois, USAReference

Total built8,750Reference

DrivecrawlerReference

Open operator station.Reference

Engine

General Motors 4.7L 4-cyl dieselReference

Fuel tank166.5 LReference

Drawbar (claimed)48.5 kWReference

Belt (claimed)64.1 kWReference

Drawbar (tested)61.3 kWReference

Belt (tested)73.5 kWReference

General MotorsReference

blower dieselReference

4-cylinderReference

liquid-cooled 2-cycle vertical I-headReference

Displacement4.7 LReference

Bore/Stroke108 x 127 mmReference

Compression16.0:1Reference

Rated RPM1600Reference

Starter volts12Reference

Oil capacity12.3 LReference

Coolant capacity36.9 LReference

Image courtesy of Weston JenkinsReference

Belt power (max)73.5 kWReference

Max power61.3 kWReference

Transmission

6-speedReference

Transmissionsliding gearReference

Gears6 forward and 2 reverseReference

Oil capacity22.7 LReference

Dimensions

Weight20380 to 21455 poundsReference

18-inch tracksReference

Length381 cmReference

Width238 cmReference

Height198 cmReference

Gauge157 cmReference

9731 kgReference

Shipping9244 kgReference

Shipping9548 kgReference

HD10 Serial Numbers

Location:Rear of transmission case or plate near instrument panel.Reference

19402Reference

1941642Reference

19421446Reference

19465964Reference

19476463Reference

19487602Reference

19498676Reference

19509631Reference

Final10198Reference

FAQ: How to read a serial number table.Reference

Allis Chalmers HD10 Tracks

Width45 cmReference

Length on ground195 cmReference

Area on ground1.8 m²Reference

Ground pressure0.5 barReference

Test results

Diesel 6-speed crawlerOctober 15 - 25, 1940Link: Nebraska Tractor Test 361 fileReference

Drawbar performanceReference

Gear 2 used for power test.Reference

Max pull7033 kgReference

Gear 1 used for pull test.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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