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Tractor · 1955Unverified

Allis Chalmers HD6

Name: Allis Chalmers HD6
Brand: Allis Chalmers

Allis Chalmers HD6 — Agricultural Crawler tractor · 57 hp. Reference specifications; pending source verification.

The Allis Chalmers HD6 is a compact tractor model with a rating of 57 hp. Manufactured from 1955 to 1974, it features a 4-cylinder turbocharged diesel liquid-cooled engine, which powers a tracked undercarriage equipped with a powershift transmission. Weighing between 12400 and 13400 pounds, the HD6 is suited for tasks involving up to 200 acres.

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

Rated power

57 hp

Max power

37.2 kW

Weight

12400 to 13400 pounds

Catalogue coverage

Variants represented

Richest spec table

68 rows

Recorded power

57 hp

Recorded weight

5624 kg

Transmissions

5-speed sliding gear

Production years

1955-1974

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

DrivecrawlerReference

Open operator station.Reference

Variants

HD6A44-inch gaugeReference

HD6B60-inch gaugeReference

HD6E5-rollerReference

HD6GloaderReference

HD6EPpower shiftReference

HD6AGturbochargedReference

Engine

Allis-Chalmers 5.6L 4-cyl dieselReference

Fuel tank151.4 LReference

Engine (net)42.5 kWReference

Drawbar (claimed)33.6 kWReference

Belt (claimed)41.0 kWReference

Drawbar (tested)37.2 kWReference

Belt (tested)45.1 kWReference

Allis-Chalmers HD-344Reference

dieselReference

4-cylinderReference

liquid-cooled vertical I-headReference

Displacement5.6 LReference

Bore/Stroke113 x 141 mmReference

Power (net)42.5 kWReference

Compression15.0:1Reference

Rated RPM1800Reference

Starter volts24Reference

Oil capacity9.5 LReference

Coolant capacity14.2 LReference

Belt power (max)45.1 kWReference

Max power37.2 kWReference

Transmission

5-speed sliding gearReference

2-speed power shiftReference

Typesliding gearReference

Gears5 forward and 1 reverseReference

Oil capacity18.9 LReference

Typepower shiftReference

Gears2 forward and reverseReference

Dimensions

Weight12400 to 13400 poundsReference

13-inch tracksReference

Length322 cmReference

Width199 cmReference

Height167 cmReference

Shipping weight5624 kgReference

Operating weight6078 kgReference

Gauge111 cmReference

Gauge152 cmReference

HD6 Serial Numbers

Location:Serial number stamped on the rear of steering clutch housing or on the instrument panel. (upper-right)Reference

1955101Reference

19561147Reference

19576466Reference

19587948Reference

195910054Reference

196012506Reference

196113777Reference

196214898Reference

196316042Reference

196417105Reference

196518189Reference

FAQ: How to read a serial number table.Reference

Allis Chalmers HD6 Tracks

Width33 cmReference

Test results

Diesel 5-speed crawlerJuly 7 - 14, 1956Link: Nebraska Tractor Test 580 fileReference

Belt fuel use (max)20.1 l/hourReference

Drawbar performanceReference

Gear 2 used for power test.Reference

Max pull5731 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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