Allis Chalmers HD14
Power
161 hp[B] hp
Production
1939-1947
Engine
Blower diesel, 6-cylinder
Transmission
Sliding gear
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Introduction
Allis Chalmers HD14 Crawler Tractor
The Allis Chalmers HD14 is a heavy-duty crawler tractor produced between 1939 and 1947. Designed for demanding earthmoving and agricultural applications, this machine was manufactured in Springfield, Illinois, USA, with a total production run of 6,405 units.
Engine and Performance
The tractor is powered by a General Motors 6-71 engine, a 6-cylinder, liquid-cooled, 2-cycle vertical I-head blower diesel unit. It features a displacement of 426 cubic inches (7.0 liters) and operates at a rated speed of 1500 RPM. With a compression ratio of 16.0:1, the engine delivers 161 horsepower, providing the necessary torque for heavy traction tasks.
Transmission and Drivetrain
The HD14 offers two distinct transmission configurations to suit operational requirements. The standard option is a 6-speed sliding gear transmission providing 6 forward and 2 reverse gears, requiring a 40-quart (37.9 L) oil capacity. Alternatively, the machine could be equipped with a 3-speed torque converter transmission featuring 3 forward and 1 reverse gear.
Dimensions and Chassis
As a crawler-type vehicle, the HD14 utilizes 22-inch tracks to distribute its significant mass, which ranges from 28,750 to 29,330 pounds depending on configuration. The unit features an open operator station, consistent with the industrial design standards of its era, emphasizing durability and mechanical accessibility.
Conclusion
The Allis Chalmers HD14 is a high-capacity crawler tractor engineered for heavy-duty industrial and agricultural work. Its combination of a robust 2-cycle diesel engine and versatile transmission options made it a standard choice for tasks requiring significant drawbar pull and terrain adaptability during its production period.
Production Information of Allis Chalmers, HD14
- Built in Springfield, Illinois, USA
| Manufacturer | Allis Chalmers |
|---|---|
| Total built | 6,405 |
Engine Specifications of Allis Chalmers, HD14
- General Motors 6-71
- Liquid-cooled 2-cycle vertical I-head
- Blower diesel
- 6-cylinder
| Coolant capacity | 48 qts [45.4 L] |
|---|---|
| Displacement | 426 ci [7.0 L] |
| Rated RPM | 1500 |
| Bore/Stroke | 4.25x5.00 inches [108 x 127 mm] |
| Oil capacity | 14 qts [13.2 L] |
| Starter volts | 12 |
| Compression | 16.0:1 |
Transmission Information of Allis Chalmers, HD14
Transmission variants 1
| Type | Sliding gear |
|---|---|
| Gears | 6 forward and 2 reverse |
| Oil capacity | 40 qts [37.9 L] |
Transmission variants 2
| Type | Torque converter |
|---|---|
| Gears | 3 forward and 1 reverse |
- 6-speed sliding gear
- 3-speed torque converter
Mechanical Specs of Allis Chalmers, HD14
- Open operator station.
| Drive | Crawler |
|---|
Power Information of Allis Chalmers, HD14
- Https://www.tractordata.com/farm-tractors/003/0/7/3076-allis-chalmers-hd14-tests.html
Where it sits
With 161 hp[B] HP, the Allis Chalmers HD14 sits just above HD15 (116 HP) in Allis Chalmers's range. Its power puts it in the 99th percentile of 1930s models in our database (235 machines).
Frequently asked questions
How much horsepower does the Allis Chalmers HD14 have?
The Allis Chalmers HD14 delivers 161 hp[B] HP.
What years was the Allis Chalmers HD14 produced?
The Allis Chalmers HD14 was produced in 1939-1947.
What engine does the Allis Chalmers HD14 have?
The Allis Chalmers HD14 is powered by a Blower diesel, 6-cylinder engine.
What transmission does the Allis Chalmers HD14 use?
The Allis Chalmers HD14 uses a Sliding gear transmission.