Allis Chalmers
Allis Chalmers A
The Allis Chalmers A is a standard-tread farm tractor produced from 1936 to 1942 by Allis Chalmers in West Allis, Wisconsin, USA. It features a 4-cylinder liquid-cooled engine available in gasoline and distillate versions, with power ratings up to approximately 49 hp estimated. The tractor has a 4-speed non-synchronized transmission, two-wheel drive, manual steering, and manual contracting band brakes. It weighs 7175 lbs and is equipped with 48x12.1 steel rear tires. The Allis Chalmers A was built for general farm use and can pull up to 4 plows of 14 inches each.
Power56 hp[B]
Founded1936 - 1942
ModelA
Technical Specifications
Detailed specifications and technical data for Allis Chalmers A
Power
| Plows | 4 (14 inch) |
|---|---|
| Belt (claimed) | 44 hp (early) (32.8 kW), 51.2 hp (late) (38.2 kW) |
| Drawbar (claimed) | 33 hp (early) (24.6 kW), 39.7 hp (late) (29.6 kW) |
Tires
| Rear tire | 48x12.1 (steel) |
|---|
Engine
| Aux. fuel | 1 gal (3.8 L), 1.5 gal (5.7 L) Capacity after serial number 26527 |
|---|---|
| Engine options | Allis-Chalmers 7.6L 4-cyl gasoline, Allis-Chalmers 8.4L 4-cyl distillate |
| Details gasoline | Allis-Chalmers gasoline 4-cylinder liquid-cooled |
| Details distillate | Allis-Chalmers distillate 4-cylinder liquid-cooled |
| Bore/Stroke gasoline | 4.75x6.50 inches (121 x 165 mm) |
| Compression gasoline | 4.4:1 |
| Displacement gasoline | 460.7 ci (7.6 L) |
| Bore/Stroke distillate | 5.00x6.50 inches (127 x 165 mm) |
| Displacement distillate | 510.5 ci (8.4 L) |
Dimensions
| Width | 63 inches (160 cm) |
|---|---|
| Height | 66 inches (167 cm) |
| Length | 140 inches (355 cm) |
| Weight | 7175 lbs (3254 kg) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Manual contracting band brakes |
| Steering | Manual steering |
| Operator station | Open operator's station |
Production
| Type | Standard-tread tractor |
|---|---|
| Built in | West Allis, Wisconsin, USA |
| Total built | 1,225 |
| Years produced | 1936 - 1942 |
Belt Pulley
| RPM | 1000 |
|---|---|
| Speed | 3160 ft/min (963.17 meters/min) |
| Width | 8.5 inches (21 cm) |
| Diameter | 13 inches (33 cm) |
Transmission
| Type | non-synchronized gear |
|---|---|
| Gears | 4 forward and 1 reverse |
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