Allis Chalmers HD9
The Allis Chalmers HD9 is a tractor produced by Allis Chalmers. It is equipped with a 284 ci 4.7 L engine. The rated power output is 79.1 hp 59.0 kW. Transmission: 6 forward and 3 reverse. Drive type: crawler. Operating weight: 18800 lbs 8527 kg.
Engine Power
79.1 hp
59.0 kW
Drive & Traction
crawler
Fuel & Capacities
55 gal
208.2 L
Transmission
6 forward and 3 reverse
Operating Weight
18800 lbs
8527 kg
Allis Chalmers HD9 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1951 - 1955
Agricultural Crawler tractor |
|---|---|
1951 - 1955 | |
Agricultural Crawler tractor | |
Production | |
|---|---|
Manufacturer | Allis Chalmers |
Agricultural Crawler tractor | |
Built in Springfield, Illinois, USA | |
Total built | 5,850 |
Allis Chalmers HD9 Engine | |
|---|---|
General Motors 4.7L 4-cyl diesel | |
Fuel tank | 55 gal
208.2 L |
Engine details ...  | |
Allis Chalmers HD9 Transmission | |
|---|---|
6-speed gear | |
Transmission details ...  |
Allis Chalmers HD9 Power | |
|---|---|
Drawbar (claimed) | 70 hp
52.2 kW |
Belt (claimed) | 84 hp
62.6 kW |
Drawbar (tested) | 67.39 hp
50.3 kW |
Belt (tested) | 79.1 hp
59.0 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | crawler |
Open operator station. | |
Dimensions & Tracks | |
|---|---|
Weight | 18800 lbs
8527 kg |
16-inch tracks | |
Full dimensions and tracks ...  | |
References | |
|---|---|
 | |
HD-9 published in 1953, 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 | 16 qts
15.1 L |
Coolant capacity | 29 qts
27.4 L |
Transmission
Transmission — 6 forward and 3 reverse gear
Type | gear |
Gears | 6 forward and 3 reverse |
Oil capacity | 27 qts
25.6 L |
 | |
Dimensions
Allis Chalmers HD9 Tracks | |
|---|---|
Width | 16 inches
40 cm |
Width | 20 inches
50 cm |
Dimensions | |
|---|---|
Length | 150 inches
381 cm |
Width | 95.1 inches
241 cm |
Height | 73.1 inches
185 cm |
Shipping weight | 18800 lbs
8527 kg |
Gauge | 74 inches
187 cm |
Tests
Nebraska Tractor Test 463 | |
|---|---|
Diesel 6-speed crawler
July 17 - 28, 1951
Link: Nebraska Tractor Test 463 file | |
Belt power (max) | 79.1 hp
59.0 kW |
Drawbar performance | |
Max power | 67.39 hp
50.3 kW |
Gear 2 used for power test. | |
Max pull | 19035 lbs
8634 kg |
Gear 1 used for pull test. | |
Photos
1954 Allis-Chalmers model HD9 cable dozer.
1954 Allis-Chalmers model HD9 cable dozer.
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