Hart-Parr 12-24: all source data
All 46 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 | Hart-Parr |
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| (no label) | Standard-tread tractor |
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| (no label) | Built in Charles City, Iowa, USA |
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| (no label) | Original price was $1,050 in 1930 |
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Engine| (no label) | Hart-Parr 5.1L 2-cyl gasoline |
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| (no label) | Hart-Parr 5.5L 2-cyl gasoline |
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Transmission| (no label) | 2-speed gear |
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| (no label) | 3-speed gear |
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Power| Drawbar (claimed) | 12 hp | 8.9 kW |
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| Belt (claimed) | 24 hp | 17.9 kW |
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| Drawbar (tested) | 17.54 hp | 13.1 kW |
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| Belt (tested) | 26.97 hp | 20.1 kW |
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Mechanical| (no label) | Two-wheel drive |
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| (no label) | Manual steering |
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| (no label) | Open operator station. |
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Dimensions| Weight | 4440 lbs | 2013 kg |
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| Front tire | 28x5 |
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| Rear tire | 46x10 |
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Engine
Engine options| (no label) | Hart-Parr 5.1L 2-cyl gasoline |
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| (no label) | Hart-Parr 5.5L 2-cyl gasoline |
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Engine detail| (no label) | Hart-Parr |
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| (no label) | gasoline |
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| (no label) | 2-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 308.9 ci | 5.1 L |
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| Bore/Stroke | 5.50x6.50 inches | 140 x 165 mm |
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| Rated RPM | 850 |
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| (no label) | Hart-Parr |
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| (no label) | gasoline |
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| (no label) | 2-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 337.6 ci | 5.5 L |
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| Bore/Stroke | 5.75x6.50 inches | 146 x 165 mm |
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| Rated RPM | 850 |
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Transmission
Transmission options| (no label) | 2-speed gear |
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| (no label) | 3-speed gear |
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Transmission| Type | gear |
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| Gears | 2 forward and 1 reverse |
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| Type | gear |
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| Gears | 3 forward and 1 reverse |
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Dimensions
Tires| Ag front | 28x5 (steel) |
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| Ag rear | 46x10 (steel) |
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Dimensions| Length | 116 inches | 294 cm |
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| Width | 66 inches | 167 cm |
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| Height | 56 inches | 142 cm |
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| Weight | 4440 lbs | 2013 kg |
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