Allis Chalmers HD5

The Allis Chalmers HD5 is a tractor produced by Allis Chalmers. It is equipped with a 142 ci 2.3 L engine. The rated power output is 47.85 hp 35.7 kW. Transmission: 5 forward and 1 reverse. Drive type: crawler. Operating weight: 10500 to 11250 pounds.

Overview

	1946 - 1955 Agricultural Crawler tractor
1946 - 1955
Agricultural Crawler tractor

Production
Manufacturer	Allis Chalmers
Agricultural Crawler tractor
Built in Springfield, Illinois, USA
Total built	29,255

Allis Chalmers HD5 Engine
General Motors 2.3L 2-cyl diesel
Fuel tank	37 gal 140.0 L
Engine details ...

Allis Chalmers HD5 Transmission
5-speed sliding gear
Transmission details ...

Allis Chalmers HD5 Power
Drawbar (claimed)	30 hp 22.4 kW
Belt (claimed)	43 hp 32.1 kW
Drawbar (tested)	38.24 hp 28.5 kW
Belt (tested)	47.85 hp 35.7 kW
Performance test details ...

Mechanical
Drive	crawler
Open operator station.

Dimensions & Tracks
Weight	10500 to 11250 pounds
13-inch tracks
Full dimensions and tracks ...

References
HD-5 2 Cycle Diesel published in 1947, by Allis Chalmers

Engine

Engine Detail — 142 ci / 2.3 L Diesel

Manufacturer	General Motors
Configuration	2-cylinder, liquid-cooled 2-cycle vertical I-head
blower diesel
Displacement	142 ci 2.3 L
Bore/Stroke	4.25x5.00 inches 108 x 127 mm
Compression	16.0:1
Rated RPM	1800
Starter volts	12
Oil capacity	8 qts 7.6 L
Coolant capacity	15 qts 14.2 L

Allis Chalmers HD5 Engine

Transmission

Transmission — 5 forward and 1 reverse sliding gear

Type	sliding gear
Gears	5 forward and 1 reverse
Oil capacity	20 qts 18.9 L

Dimensions

Allis Chalmers HD5 Tracks
Width	13 inches 33 cm
Length on ground	64.5 inches 163 cm
Area on ground	1670.5 in² 1.1 m²

Dimensions
Length	124.9 inches 317 cm
Width	62.5 inches (narrow) 158 cm
	78.5 inches (wide) 199 cm
Height	60.4 inches 153 cm
Shipping weight	10500 lbs (narrow tread) 4762 kg
	11250 lbs (wide tread) 5103 kg
Ground clearance	11.25 inches 28 cm
Gauge	44 inches 111 cm
Gauge	60 inches 152 cm

Tests

Nebraska Tractor Test 396
Diesel 5-speed crawler July 1 - 16, 1948 Link: Nebraska Tractor Test 396 file
Belt power (max)	47.85 hp 35.7 kW
Belt fuel use (max)	3.8 gal/hour 14.4 l/hour
Drawbar performance
Max power	38.24 hp 28.5 kW
Gear 2 used for power test.
Max pull	10029 lbs 4549 kg
Gear 1 used for pull test.

Photos

Allis-Chalmers HD5 bulldozer.

Allis-Chalmers HD5 operators station and controls.

Allis-Chalmers HD5G track loader.