| Production | |
| Manufacturer | Hart-Parr |
| Standard-tread tractor | |
| Built in Charles City, Iowa, USA | |
| Original price was $2,085 in 1930 | |
| Hart-Parr 28-50 Engine | |
| Hart-Parr 11.1L 4-cyl gasoline | |
| Hart-Parr 28-50 Transmission | |
| 2-speed gear | |
| Hart-Parr 28-50 Power | |
| Drawbar (claimed) | 28 hp 20.9 kW |
| Belt (claimed) | 50 hp 37.3 kW |
| Drawbar (tested) | 46.03 hp 34.3 kW |
| Belt (tested) | 64.56 hp 48.1 kW |
| Mechanical | |
| Two-wheel drive | |
| Manual steering | |
| Open operator station. |
| Photos | |
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| Dimensions & Tires | |
| Weight | 8600 lbs 3900 kg |
| Front tire | 28x7 |
| Rear tire | 51x14 |
| 28-50 Serial Numbers | |
| 1927 | 70501 |
| 1928 | 70742 |
| 1929 | 70968 |
| 1930 | 71402 |
FAQ: How to read a serial number table. | |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on August 27, 2021 |