Allis Chalmers
Allis Chalmers WC
The Allis Chalmers WC is a row-crop tractor produced from 1933 to 1948 by Allis Chalmers in West Allis, Wisconsin, USA. It was the first tractor tested on rubber tires at Nebraska and was styled in 1938 with a rounded radiator and larger tires. The WC was available with several engine options including Waukesha and Allis-Chalmers 4-cylinder gasoline and distillate engines. It features a 4-speed non-synchronized transmission, two-wheel drive, manual steering, and differential hand-operated mechanical drum brakes. The tractor has a rear PTO transmission type 535 and was built in large numbers with a total of 178,202 units produced. It is known for its versatility and durability in row-crop farming.
Power23 hp[B]
Founded1933 - 1948
ModelWC
Technical Specifications
Detailed specifications and technical data for Allis Chalmers WC
Power
| Plows | 2 |
|---|---|
| Belt (tested) | 25.45 hp (19.0 kW) |
| Belt (claimed) | 21 hp (15.7 kW) |
| Drawbar (tested) | 18.72 hp (14.0 kW) |
| Drawbar (claimed) | 12 hp (8.9 kW) |
Tires
| Ag rear | 40x6 steel, 11.25x24 |
|---|---|
| Ag front | 24x4 steel, 5.25-17 |
Engine
| Waukesha | gasoline, 4-cylinder, liquid-cooled, Used on first 25 tractors built |
|---|---|
| Engine options | Waukesha 3.0L 4-cyl gasoline, Allis-Chalmers 3.3L 4-cyl distillate, Allis-Chalmers 3.3L 4-cyl gasoline |
| Engine Oil capacity | 6 qts (5.7 L) |
| Waukesha Bore/Stroke | 3.625x4.50 inches (92 x 114 mm) |
| Waukesha Displacement | 186 ci (3.0 L) |
| Waukesha Starter type | manual crank |
| Allis-Chalmers gasoline | 4-cylinder, liquid-cooled vertical I-head |
| Allis-Chalmers distillate | 4-cylinder, liquid-cooled vertical I-head, Low-compression engine designed to operate on fuels rated at 30 octane or higher. |
| Allis-Chalmers gasoline Fuel use | 2.861 gal/hour (10.8 l/hour) |
| Allis-Chalmers gasoline Point gap | 0.020 inches (0.508 mm) |
| Allis-Chalmers gasoline Rated RPM | 1300 |
| Allis-Chalmers distillate Fuel use | 2.119 gal/hour (8.0 l/hour) |
| Allis-Chalmers distillate Point gap | 0.020 inches (0.508 mm) |
| Allis-Chalmers distillate Rated RPM | 1300 |
| Allis-Chalmers gasoline Air cleaner | oil bath |
| Allis-Chalmers gasoline Bore/Stroke | 4.00x4.00 inches (102 x 102 mm) |
| Allis-Chalmers gasoline Compression | 5.0:1 |
| Allis-Chalmers gasoline Displacement | 201 ci (3.3 L) |
| Allis-Chalmers gasoline Firing order | 1-2-4-3 |
| Allis-Chalmers gasoline Starter type | manual crank, electric |
| Allis-Chalmers distillate Air cleaner | oil bath |
| Allis-Chalmers distillate Bore/Stroke | 4.00x4.00 inches (102 x 102 mm) |
| Allis-Chalmers distillate Compression | 4.2:1 |
| Allis-Chalmers gasoline Sparkplug gap | 0.030 inches (0.762 mm) |
| Allis-Chalmers distillate Displacement | 201 ci (3.3 L) |
| Allis-Chalmers distillate Firing order | 1-2-4-3 |
| Allis-Chalmers distillate Starter type | manual crank, electric |
| Allis-Chalmers distillate Sparkplug gap | 0.030 inches (0.762 mm) |
| Allis-Chalmers gasoline Coolant capacity | 14 qts (13.2 L) |
| Allis-Chalmers distillate Coolant capacity | 14 qts (13.2 L) |
| Allis-Chalmers gasoline Intake valve clearance | 0.010 inches (hot) (0.254 mm) |
| Allis-Chalmers gasoline Exhaust valve clearance | 0.010 inches (hot) (0.254 mm) |
| Allis-Chalmers distillate Intake valve clearance | 0.010 inches (hot) (0.254 mm) |
| Allis-Chalmers distillate Exhaust valve clearance | 0.010 inches (hot) (0.254 mm) |
Weight
| Shipping | 2,700 lbs (steel) (1224 kg), 3,300 lbs (rubber) (1496 kg) |
|---|---|
| Ballasted | 4,545 lbs (2061 kg) |
| Operating | 3,190 lbs (steel) (1446 kg), 3,792 lbs (rubber) (1720 kg) |
Variants
| WF | Standard front version (wide) |
|---|
Dimensions
| Width | 76 inches (193 cm) |
|---|---|
| Height | 63 inches (160 cm) |
| Length | 136 inches (345 cm) |
| Rear tread | 65 to 76 inches (165 to 193 cm) |
| Ground clearance | 29 inches (rear axle) (73 cm) |
Electrical
| Battery AH | 95 |
|---|---|
| Battery volts | 6 |
| Charging system | generator |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Differential hand-operated mechanical drum brakes |
| Steering | manual |
| Operator station | Open operator station with steel pan seat. |
Production
| Type | Row-Crop tractor |
|---|---|
| Notes | The Allis-Chalmers WC was the first tractor tested on rubber tires at Nebraska. The WC was styled in 1938, starting at serial number WC74330. The styled WC featured a rounded radiator and larger tires. |
| Built in | West Allis, Wisconsin, USA |
| Total built | 178,202 |
| Manufacturer | Allis Chalmers |
| Years produced | 1933 - 1948 |
References
| Book | Build a Better Farm published in 1940, by Allis Chalmers |
|---|
Belt Pulley
| RPM | 1170 |
|---|---|
| Width | 6.5 inches (16 cm) |
| Diameter | 9 inches (22 cm) |
Transmission
| Type | non-synchronized gear |
|---|---|
| Gears | 4 forward and 1 reverse |
| Notes | Operated via gearshift lever and foot clutch. Fourth gear was not recommended for tractors equipped with steel wheels. |
| Oil type | SAE140 (32°F [0°C] and up), SAE90 (32°F [0°C] and down) |
| Oil capacity | 4 qts (3.8 L), 5 qts (4.7 L) with PTO |
Serial Numbers
| 1933 | 1 |
|---|---|
| 1934 | 29 |
| 1935 | 3127 |
| 1936 | 13870 |
| 1937 | 31784 |
| 1938 | 60790 |
| 1939 | 75216 |
| 1940 | 91534 |
| 1941 | 103517 |
| 1942 | 114534 |
| 1943 | 123171 |
| 1944 | 127642 |
| 1945 | 134624 |
| 1946 | 148091 |
| 1947 | 152845 |
| 1948 | 170174 |
| Note | Serial number is on the rear of the Allis-Chalmers WC, stamped into the differential housing. |
| Final | 178202 |
Power Take-off (PTO)
| Rear PTO | transmission |
|---|---|
| Rear PTO Type | 535 |
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