Allis Chalmers industrial tractors
Allis Chalmers HD-21
The Allis Chalmers HD-21 is an industrial crawler tractor produced from 1967 to 1969. It features a powerful 13.8L 6-cylinder turbocharged diesel engine delivering 268 hp net power. The tractor uses a 2-speed power shift transmission and has a crawler drive with an open operator station. It weighs approximately 50,000 lbs (22,680 kg).
Power-
Founded-
ModelHD-21
Technical Specifications
Detailed specifications and technical data for Allis Chalmers HD-21
Power
| Engine (net) | 268 hp (199.8 kW) |
|---|
Engine
| Type | turbocharged diesel |
|---|---|
| Model | Allis Chalmers 21000 II |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 6-cylinder |
| Bore/Stroke | 5.25x6.50 inches (133 x 165 mm) |
| Displacement | 844 ci (13.8 L) |
| Starter volts | 24 |
Dimensions
| Shipping weight | 50000 lbs (22680 kg) |
|---|
Mechanical
| Drive | crawler |
|---|---|
| Operator station | Open operator station. |
Production
| Type | Industrial Crawler tractor |
|---|---|
| Manufacturer | Allis Chalmers |
| Years produced | 1967 - 1969 |
Transmission
| Type | power shift |
|---|---|
| Gears | 2 forward and reverse |
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