1930 - 1935
1930 - 1935 |
Row-Crop tractor |
Production
Production |
Manufacturer: | Hart-Parr (a part of Oliver)
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Type: | Row-Crop tractor
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Factory: | Charles City, Iowa, USA
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Introduced in 1930, the Oliver Hart-Parr Row Crop featured a single front wheel during the first two production years. In 1931, the design changed to use two front wheels. |
Hart-Parr Row Crop 18-27 Power
Hart-Parr Row Crop 18-27 Power |
Drawbar (claimed): | 18 hp 13.4 kW
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Belt (claimed): | 27 hp 20.1 kW
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Plows: | 2-3 (14-inch)
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Drawbar (tested): | 18.10 hp 13.5 kW
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Belt (tested): | 29.72 hp 22.2 kW
|
power test details ... |
1930 - 1935
1930 - 1935 |
Row-Crop tractor |
Nebraska Tractor Test 176
Nebraska Tractor Test 176 |
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Nebraska Tractor Test 176
Nebraska Tractor Test 176 |
Kerosene 3-speed 2WD April 14 - 24, 1930 Link: Nebraska Tractor Test 176 file |
Belt power (max): | 29.72 hp 22.2 kW
|
Belt fuel use (max): | 3.1 gal/hour 11.7 l/hour
|
Drawbar performance |
Max power: | 18.10 hp 13.5 kW
|
Fuel use: | 2.4 gal/hour 9.1 l/hour
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Gear 2 used for power test. |
Max pull: | 3664 lbs 1661 kg
|
Gear 1 used for pull test. |
Hart-Parr Row Crop 18-27 Engine
Hart-Parr Row Crop 18-27 Engine |
Oliver 4.6L 4-cyl kerosene |
Engine details ... |
1930 - 1935
1930 - 1935 |
Row-Crop tractor |
Engine Detail
Engine Detail |
Oliver |
kerosene |
4-cylinder |
liquid-cooled |
Displacement: | 280.6 ci 4.6 L
|
Bore/Stroke: | 4.125x5.25 inches 105 x 133 mm
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Mechanical
Mechanical |
Chassis: | 4x2 2WD
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Final drives: | spur gear
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Steering: | manual
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Cab: | Open operator station.
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Transmission: | 3-speed ger
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Transmission details ... |
1930 - 1935
1930 - 1935 |
Row-Crop tractor |
Transmission
Transmission |
Type: | ger
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Gears: | 3 forward and 1 reverse
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Speeds
Dimensions & Tires
Dimensions & Tires |
Weight: | 3500 lbs 1587 kg
|
Full dimensions and tires ... |
1930 - 1935
1930 - 1935 |
Row-Crop tractor |
Hart-Parr Row Crop 18-27 Tires
Hart-Parr Row Crop 18-27 Tires |
Dimensions
Dimensions |
Length: | 125 inches 317 cm
|
Width: | 80 inches 203 cm
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Height: | 64 inches 162 cm
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Weight: | 3500 lbs 1587 kg
|
Rear tread: | 60 to 74 inches 152 to 187 cm
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Belt Pulley
Belt Pulley |
Diameter: | 14.5 inches 36 cm
|
Width: | 7.5 inches 19 cm
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RPM: | 700
|
Speed: | 2610 ft/min 795.53 meters/min
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