CO-OP 3: all source data
All 39 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Distributor | CO-OP |
|---|
| Manufacturer | Duplex Machinery |
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| (no label) | Standard-tread tractor |
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| Factories | Battle Creek, Michigan, USA |
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| Factories | South Saint Paul, Minnesota, USA |
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| Factories | Arthurdale, West Virginia, USA |
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Engine| (no label) | Chrysler 4.0L 6-cyl gasoline |
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| Fuel tank | 28 gal | 106.0 L |
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Transmission| (no label) | 5-speed gear |
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Power| Drawbar (claimed) | 28 hp | 20.9 kW |
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| PTO (claimed) | 37 hp | 27.6 kW |
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| Plows | 3 |
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| Drawbar (tested) | 37.50 hp | 28.0 kW |
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| Belt (tested) | 42.29 hp | 31.5 kW |
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Mechanical| (no label) | Two-wheel drive |
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| Steering | manual |
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| (no label) | Open operator station |
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Dimensions| Weight | 4450 lbs | 2018 kg |
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| Front tire | 7.50-16 |
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| Rear tire | 12.75-28 |
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Serial location| (no label) | Left side of dashboard |
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Engine
Engine detail| (no label) | Chrysler |
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| (no label) | gasoline |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 241.5 ci | 4.0 L |
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| Bore/Stroke | 3.375x4.50 inches | 86 x 114 mm |
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| Fuel system | Zenith carburetor |
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| Rated RPM | 1600 |
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| Coolant capacity (Coolant) | 20 qts | 18.9 L |
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Transmission
Transmission| Type | gear |
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| Gears | 5 forward and 1 reverse |
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| Clutch | dry disc |
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Dimensions
Tires| Ag front | 7.50-16 |
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| Ag rear | 12.75-28 |
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Dimensions| Length | 132.25 inches | 335 cm |
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| Width | 75.6 inches | 192 cm |
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| Height | 62 inches | 157 cm |
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| Shipping weight | 4450 lbs | 2018 kg |
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