Allis Chalmers HD10

The Allis Chalmers HD10 is a tractor produced by Allis Chalmers. It is equipped with a 284 ci 4.7 L engine. Transmission: sliding gear. Drive type: crawler. Operating weight: 20380 to 21455 pounds.

Overview

	1940 - 1950 Agricultural Crawler tractor

Production
Manufacturer	Allis Chalmers
Agricultural Crawler tractor
Built in Springfield, Illinois, USA
Total built	8,750

Allis Chalmers HD10 Engine
General Motors 4.7L 4-cyl diesel
Fuel tank	44 gal 166.5 L
Engine details ...

Allis Chalmers HD10 Transmission
6-speed
Transmission details ...

Allis Chalmers HD10 Power
Drawbar (claimed)	65 hp 48.5 kW
Belt (claimed)	86 hp 64.1 kW
Drawbar (tested)	82.19 hp 61.3 kW
Belt (tested)	98.5 hp 73.5 kW
Performance test details ...

Mechanical
Drive	crawler
Open operator station.

Dimensions & Tracks
Weight	20380 to 21455 pounds
18-inch tracks
Full dimensions and tracks ...

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

Engine

Engine Detail — 284 ci / 4.7 L Diesel

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

Allis Chalmers HD10 Engine
Image courtesy of Weston Jenkins

Transmission

Transmission — sliding gear

Transmission	sliding gear
Gears	6 forward and 2 reverse
Oil capacity	24 qts 22.7 L

Dimensions

Allis Chalmers HD10 Tracks
Width	18 inches 45 cm
Length on ground	77.1 inches 195 cm
Area on ground	2775 in² 1.8 m²
Ground pressure	7.16 psi 0.5 bar

Dimensions
Length	150 inches 381 cm
Width	94 inches 238 cm
Height	78 inches 198 cm
Gauge	62 inches 157 cm

Allis Chalmers HD10 Weight
	21455 lbs 9731 kg
Shipping	20380 lbs (62-inch tread) 9244 kg
	21050 lbs (74-inch tread) 9548 kg

Tests

Nebraska Tractor Test 361
Diesel 6-speed crawler October 15 - 25, 1940 Link: Nebraska Tractor Test 361 file
Belt power (max)	98.5 hp 73.5 kW
Drawbar performance
Max power	82.19 hp 61.3 kW
Gear 2 used for power test.
Max pull	15507 lbs 7033 kg
Gear 1 used for pull test.

Photos

Allis Chalmers HD10

Allis Chalmers HD10

Allis Chalmers HD10

Allis Chalmers HD10 operator station and controls.

Allis Chalmers HD10 bulldozer.