Duplex Machinery Co.

Co-Op No. 1 (1937)

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Tractor Info


Duplex presented Co-op No. 1 in 1937. This three-wheeled outfit featured pneumatic tires and had an 8-foot turning radius. A selective transmission provided speeds from 1.4 to 22.8 MPH. The Waukesha four-cylinder, 3 1/4 x 4-inch engine featured electric starting.

Tractor Info

Engine: Waukesha

Cylinders: 4

Bore & Stroke: 3 1/4 x 4




Main Fuel Tank Cap:

Aux Fuel Tank Cap:


Cooling Capacity:

Drawbar HP:

Belt PTO HP:

Weight: lbs

Length: inches

Width: inches

Height: inches

Number of Gears:


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