Allis-Chalmers RC Specs ( 1938-1941 )
Overview
The Allis-Chalmers RC is a row-crop farm tractor produced from 1938 to 1941 in West Allis, Wisconsin, with a total production run of 5,501 units. It features a 2.1L 4-cylinder distillate engine paired with a 4-speed non-synchronized gear transmission and was designed to share a chassis frame with the Allis-Chalmers WC. Performance testing recorded 12.11 drawbar horsepower and 16.24 PTO horsepower at a rated 1500 RPM.
Ideal Applications
Implement Compatibility:
The RC was constructed using the WC chassis and frame, allowing it to utilize the same implements as the larger WC model.
Tested Power Ratings:
According to official test data, the 125.2 cubic inch distillate engine produced a tested drawbar output of 12.11 horsepower and a PTO output of 16.24 horsepower.
Operational Weight Configuration:
The tractor has a shipping weight of 2,495 pounds for steel wheel versions and can reach a ballasted weight of 4,005 pounds.
Production
| Description | Row-Crop tractor / Built in West Allis, Wisconsin, USA / The Allis Chalmers RC was a less-expensive version of the WC, using the engine from a B in the chassis of the WC. It used the same frame so it could mount the same implements as the WC. The RC sold poorly, and was replaced by the successful Allis model C. |
|---|---|
| Manufacturer | Allis Chalmers |
| Total built | 5,501 |
Engine
| Aux. fuel | 1 gal (3.8 L) |
|---|---|
| Engine type | Allis-Chalmers 2.1L 4-cyl distillate |
| Fuel tank | 13 gal (49.2 L) |
| Bore/Stroke | 3.375x3.50 inches (86 x 89 mm) |
| Compression | 4.75:1 |
| Coolant capacity | 9 qts (8.5 L) |
| Description | Allis-Chalmers / distillate / 4-cylinder / liquid-cooled vertical I-head |
| Displacement | 125.2 ci (2.1 L) |
| Firing order | 1-2-4-3 |
| Rated RPM | 1500 |
| Belt (claimed) | 16 hp (11.9 kW) |
| Drawbar (claimed) | 12 hp (8.9 kW) |
| Drawbar (tested) | 12.11 hp (9.0 kW) |
| Plows | 2 |
| PTO (tested) | 16.24 hp (12.1 kW) |
Transmission
| Gears | 4 forward and 1 reverse |
|---|---|
| Transmission type | 4-speed non-synchronized gear |
| Type | non-synchronized gear |
Mechanical
| Drive type | Two-wheel drive |
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Dimensions & Tires
| Ag front | 4.75-15 / 24x4 steel |
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| Ag rear | 10-28 / 40x6 steel |
| Height | 66 inches (167 cm) |
| Length | 126 inches (320 cm) |
| Front tire | 4.75-15 |
| Rear tire | 10-28 |
| Weight | 2495 to 3204 pounds |
Allis Chalmers RC Weight
| Ballasted | 4,005 lbs (1816 kg) |
|---|---|
| Shipping | 2,495 lbs (steel) (1131 kg) |
RC Serial Numbers
| 1939 | 4 |
|---|---|
| 1940 | 4392 |
| 1941 | 5417 |
| Description | FAQ: How to read a serial number table. |
References
| Description | Model RC Tractor published in 1940, by Allis Chalmers |
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