Gray Tractor 20-35 A: all source data
All 31 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| Manufacturer | Gray Tractor |
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| (no label) | Standard-tread tractor |
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| (no label) | Built in Minneapolis, Minnesota, USA |
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| (no label) | Original price was $2,150 in 1916 |
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Engine| (no label) | Waukesha 7.8L 4-cyl gasoline |
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Transmission| (no label) | 2-speed gear |
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Power| Drawbar (claimed) | 20 hp | 14.9 kW |
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| Belt (claimed) | 35 hp | 26.1 kW |
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| Plows | 6 |
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Mechanical| Drive | 3x1 drum drive |
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| (no label) | Manual steering |
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| (no label) | Open operator station. |
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Dimensions| Weight | 8000 lbs | 3628 kg |
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| Front tire | 44x10 |
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| Rear tire | 60x60 |
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Belt pulley| Diameter | 12 inches | 30 cm |
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| Width | 9 inches | 22 cm |
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Engine
Engine detail| (no label) | Waukesha |
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| (no label) | gasoline |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled inline |
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| Displacement | 478 ci | 7.8 L |
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| Bore/Stroke | 4.75x6.75 inches | 121 x 171 mm |
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Transmission
Transmission| Type | gear |
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| Gears | 2 forward and 1 reverse |
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Dimensions
Tires| Ag front | 44x10 steel |
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| Ag rear | 60x60 steel |
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Dimensions| Length | 203 inches | 515 cm |
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| Width | 96 inches | 243 cm |
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| Height | 72 inches | 182 cm |
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| Weight | 8000 lbs | 3628 kg |
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