30 by Hart-Parr
1919 - 1924
Production
Hart-Parr 30 Power
11.2 kW
22.4 kW
14.7 kW
23.4 kW
1919 - 1924
| 1919 - 1924 |
| Standard-tread tractor |
Nebraska Tractor Test 26
| Nebraska Tractor Test 26 | |
| Kerosene 2-speed 2WD June 17 - 22, 1920 Link: Nebraska Tractor Test 26 file | |
| Belt power (max): | 31.37 hp 23.4 kW |
| Belt fuel use (max): | 4.7 gal/hour 17.8 l/hour |
| Drawbar performance | |
| Max power: | 19.65 hp 14.7 kW |
| Max pull: | 3494 lbs 1584 kg |
Hart-Parr 30 Engine
1919 - 1924
| 1919 - 1924 |
| Standard-tread tractor |
Engine Detail
| Engine Detail | |
| Hart-Parr | |
| gasoline | |
| 2-cylinder | |
| liquid-cooled | |
| Displacement: | 464.6 ci 7.6 L |
| Bore/Stroke: | 6.50x7.00 inches 165 x 178 mm |
| Rated RPM: | 750 |
Mechanical
1919 - 1924
| 1919 - 1924 |
| Standard-tread tractor |
Transmission
| Transmission | |
| Type: | gear |
| Gears: | 2 forward and 1 reverse |
Speeds
| Speeds | |
Dimensions & Tires
2472 kg
1919 - 1924
| 1919 - 1924 |
| Standard-tread tractor |
Hart-Parr 30 Tires
| Hart-Parr 30 Tires | |
| Ag front: | 28x5 (steel) |
| Ag rear: | 52x10 (steel) |
Dimensions
| Dimensions | |
| Length: | 141 inches 358 cm |
| Width: | 76 inches 193 cm |
| Height: | 61 inches 154 cm |
| Operating weight: | 5450 lbs 2472 kg |
30 Serial Numbers
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