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Tractor · 1951Unverified

Allis Chalmers HD15

Name: Allis Chalmers HD15
Brand: Allis Chalmers

Allis Chalmers HD15 — Agricultural Crawler tractor · 82 hp. Reference specifications; pending source verification.

The Allis Chalmers HD15 is a tractor with a rating of approximately 82 horsepower, a specification typical of its class. Produced from 1951 to 1955, the HD15 features a 6-cylinder diesel liquid-cooled engine combined with a tracked undercarriage and a 6-speed gearbox. Its operating weight ranges from 27850 to 30895 pounds, and it is suitable for operations covering up to 200 acres.

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

Rated power

82 hp

Max power

77.9 kW

Weight

27850 to 30895 pounds

Catalogue coverage

Variants represented

Richest spec table

58 rows

Recorded power

82 hp

Recorded weight

12632 kg

Transmissions

6-speed

Production years

1951-1955

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 built3,909Reference

DrivecrawlerReference

Steeringhydraulic steering clutchesReference

Open operator station.Reference

Engine

General Motors 7.0L 6-cyl dieselReference

Drawbar (claimed)61.1 kWReference

Belt (claimed)78.3 kWReference

Drawbar (tested)77.9 kWReference

Belt (tested)87.8 kWReference

General MotorsReference

blower dieselReference

6-cylinderReference

liquid-cooled 2-cycle vertical I-headReference

Displacement7.0 LReference

Bore/Stroke108 x 127 mmReference

Compression16.0:1Reference

Rated RPM1600Reference

Starter volts12Reference

Oil capacity18.9 LReference

Coolant capacity44.5 LReference

Belt power (max)87.8 kWReference

Max power77.9 kWReference

Transmission

6-speedReference

Transmissionconstant meshReference

Gears6 forward and 3 reverseReference

Oil capacity32.2 LReference

Capacities

Fuel346.3 LReference

Steering9.5 LReference

Diameter45 cmReference

Width38 cmReference

RPM693Reference

Speed995.48 meters/minReference

Dimensions

Weight27850 to 30895 poundsReference

20-inch tracksReference

Length459 cmReference

Width245 cmReference

Height241 cmReference

Shipping weight12632 kgReference

Operating weight14013 kgReference

Ground clearance36 cmReference

Gauge187 cmReference

HD15 Serial Numbers

Location:Steering clutch housing or instrument panelReference

19501Reference

19512Reference

1952811Reference

19531858Reference

19542856Reference

19553685Reference

Final3909Reference

FAQ: How to read a serial number table.Reference

Allis Chalmers HD15 Tracks

Width50 cmReference

Test results

July 17 - August 2, 1951Link: Nebraska Tractor Test 464 fileReference

Drawbar performanceReference

Max pull13335 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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