Allis-Chalmers HD5 Specs ( 1946-1955 )
Overview
The Allis-Chalmers HD5 is a diesel crawler tractor manufactured in Springfield, Illinois, between 1946 and 1955 with a total production of 29,255 units. This farm-type tractor is equipped with a General Motors 2.3L 2-cylinder liquid-cooled engine and features a 5-speed sliding gear transmission.
Ideal Applications
Tested Power Output:
According to Nebraska Tractor Test 396, the HD5 achieved a maximum belt power of 47.85 hp and a maximum drawbar pull of 10,029 lbs when using the first gear.
Chassis and Track Configuration:
The tractor features an open operator station with 13-inch wide tracks, providing 1,670.5 square inches of ground contact area over a 64.5-inch track length.
Transmission and Mechanical Specifications:
The mechanical design includes a sliding gear transmission with 5 forward gears and 1 reverse gear, supported by a 20-quart oil capacity and a 12-volt starter system.
Production
| Description | Agricultural Crawler tractor / Built in Springfield, Illinois, USA |
|---|---|
| Manufacturer | Allis Chalmers |
| Total built | 29,255 |
Engine
| Engine type | General Motors 2.3L 2-cyl diesel |
|---|---|
| Fuel tank | 37 gal (140.0 L) |
| Bore/Stroke | 4.25x5.00 inches (108 x 127 mm) |
| Compression | 16.0:1 |
| Coolant capacity | 15 qts (14.2 L) |
| Description | General Motors / blower diesel / 2-cylinder / liquid-cooled 2-cycle vertical I-head |
| Displacement | 142 ci (2.3 L) |
| Oil capacity | 8 qts (7.6 L) |
| Rated RPM | 1800 |
| Starter volts | 12 |
| Belt (claimed) | 43 hp (32.1 kW) |
| Belt (tested) | 47.85 hp (35.7 kW) |
| Drawbar (claimed) | 30 hp (22.4 kW) |
| Drawbar (tested) | 38.24 hp (28.5 kW) |
Transmission
| Gears | 5 forward and 1 reverse |
|---|---|
| Oil capacity | 20 qts (18.9 L) |
| Transmission type | 5-speed sliding gear |
| Type | sliding gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive | crawler |
Dimensions & Tires
| Gauge | 44 inches (111 cm) / 60 inches (152 cm) |
|---|---|
| Ground clearance | 11.25 inches (28 cm) |
| Height | 60.4 inches (153 cm) |
| Length | 124.9 inches (317 cm) |
| Shipping weight | 10500 lbs (narrow tread) (4762 kg) |
| Width | 62.5 inches (narrow) (158 cm) |
Allis Chalmers HD5 Tracks
| Area on ground | 1670.5 in² (1.1 m²) |
|---|---|
| Length on ground | 64.5 inches (163 cm) |
| Width | 13 inches (33 cm) |
Dimensions & Tracks
| Description | 13-inch tracks |
|---|---|
| Weight | 10500 to 11250 pounds |
HD5 Serial Numbers
| 1946 | 1 |
|---|---|
| 1947 | 7 |
| 1948 | 1358 |
| 1949 | 4316 |
| 1950 | 7499 |
| 1951 | 11071 |
| 1952 | 14290 |
| 1953 | 17558 |
| 1954 | 21837 |
| 1955 | 25564 |
| Description | FAQ: How to read a serial number table. |
| Location: | Steering clutch housing or instrument panel |
Nebraska Tractor Test 396
| Belt fuel use (max) | 3.8 gal/hour (14.4 l/hour) |
|---|---|
| Belt power (max) | 47.85 hp (35.7 kW) |
| Description | Diesel 5-speed crawlerJuly 1 - 16, 1948Link: Nebraska Tractor Test 396 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 38.24 hp (28.5 kW) |
| Max pull | 10029 lbs (4549 kg) |
References
| Description | HD-5 2 Cycle Diesel published in 1947, by Allis Chalmers |
|---|