Allis Chalmers HD15
Power
116 hp[B] hp
Production
1951-1955
Engine
Blower diesel, 6-cylinder
Transmission
Constant mesh
From the same series:
Introduction
Allis Chalmers HD15 Crawler Tractor
The Allis Chalmers HD15 is a heavy-duty crawler tractor produced between 1951 and 1955 in Springfield, Illinois. Part of the manufacturer's agricultural crawler lineup, this model was designed for high-traction applications requiring significant drawbar pull and stability.
Engine and Performance
The tractor is powered by a General Motors 6-cylinder, liquid-cooled, 2-cycle vertical I-head blower diesel engine. With a displacement of 426 cubic inches (7.0 liters) and a compression ratio of 16.0:1, it delivers 116 horsepower at a rated speed of 1600 RPM. The engine cooling system has a capacity of 47 quarts (44.5 liters), while the oil system requires 20 quarts (18.9 liters) for operation.
Transmission and Drivetrain
The HD15 utilizes a constant mesh transmission system providing 6 forward and 3 reverse gears, allowing for a range of operating speeds suitable for varied field conditions. The power is delivered to the ground through a crawler drive system, which ensures optimal weight distribution and traction.
Chassis and Maneuverability
Featuring hydraulic steering clutches, the tractor provides precise control for the operator despite its significant mass. The machine operates on 20-inch tracks, which are essential for minimizing ground pressure. The tractor's total weight varies between 27,850 and 30,895 pounds, depending on the specific configuration, and it features an open operator station.
Conclusion
With a total production of 3,909 units, the Allis Chalmers HD15 served as a reliable workhorse for heavy agricultural tasks during the early 1950s. Its design prioritizes structural integrity and tractive efficiency, making it a notable example of mid-20th-century crawler engineering.
Production Information of Allis Chalmers, HD15
- Agricultural Crawler tractor
- Built in Springfield, Illinois, USA
| Manufacturer | Allis Chalmers |
|---|---|
| Total built | 3,909 |
Engine Specifications of Allis Chalmers, HD15
- General Motors
- Liquid-cooled 2-cycle vertical I-head
- Blower diesel
- 6-cylinder
| Coolant capacity | 47 qts [44.5 L] |
|---|---|
| Displacement | 426 ci [7.0 L] |
| Rated RPM | 1600 |
| Bore/Stroke | 4.25x5.00 inches [108 x 127 mm] |
| Oil capacity | 20 qts [18.9 L] |
| Starter volts | 12 |
| Compression | 16.0:1 |
Transmission Information of Allis Chalmers, HD15
Transmission variants 1
| Transmission | Constant mesh |
|---|---|
| Gears | 6 forward and 3 reverse |
| Oil capacity | 34 qts [32.2 L] |
Mechanical Specs of Allis Chalmers, HD15
- Open operator station.
| Drive | Crawler |
|---|---|
| Steering | Hydraulic steering clutches |
Power Information of Allis Chalmers, HD15
- Https://www.tractordata.com/farm-tractors/003/0/8/3080-allis-chalmers-hd15-tests.html
Where it sits
With 116 hp[B] HP, the Allis Chalmers HD15 sits just below HD14 (161 HP) in Allis Chalmers's range. Its power puts it in the 97th percentile of 1950s models in our database (592 machines).
Frequently asked questions
How much horsepower does the Allis Chalmers HD15 have?
The Allis Chalmers HD15 delivers 116 hp[B] HP.
What years was the Allis Chalmers HD15 produced?
The Allis Chalmers HD15 was produced in 1951-1955.
What engine does the Allis Chalmers HD15 have?
The Allis Chalmers HD15 is powered by a Blower diesel, 6-cylinder engine.
What transmission does the Allis Chalmers HD15 use?
The Allis Chalmers HD15 uses a Constant mesh transmission.