Hart-Parr 30: all source data
All 33 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 $1,395 in 1924 |
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Engine| (no label) | Hart-Parr 7.6L 2-cyl gasoline |
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Transmission| (no label) | 2-speed gear |
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Power| Drawbar (claimed) | 15 hp | 11.2 kW |
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| Belt (claimed) | 30 hp | 22.4 kW |
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| Plows | 3 |
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| Drawbar (tested) | 19.65 hp | 14.7 kW |
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| Belt (tested) | 31.37 hp | 23.4 kW |
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Mechanical| (no label) | Two-wheel drive |
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| Final drives | bull gear |
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| (no label) | Manual steering |
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| (no label) | Open operator station. |
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Dimensions| Weight | 5450 lbs | 2472 kg |
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| Front tire | 28x5 |
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| Rear tire | 52x10 |
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Engine
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 | 464.6 ci | 7.6 L |
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| Bore/Stroke | 6.50x7.00 inches | 165 x 178 mm |
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| Rated RPM | 750 |
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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 | 28x5 (steel) |
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| Ag rear | 52x10 (steel) |
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Dimensions| Length | 141 inches | 358 cm |
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| Width | 76 inches | 193 cm |
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| Height | 61 inches | 154 cm |
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| Operating weight | 5450 lbs | 2472 kg |
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