hart parr 40
 | 1923 - 1927
Standard-tread tractor | 1923 - 1927 | Standard-tread tractor |
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1923 - 1927 | |||
Standard-tread tractor | |||
1923 - 1927 | |
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Standard-tread tractor |
Production | |
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Manufacturer | Hart-Parr |
Standard-tread tractor | |
Built in Charles City, Iowa, USA | |
Original price was $2,250 in 1927 | |
Hart-Parr 40 Engine | |
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Hart-Parr 10.1L 4-cyl gasoline | |
Engine details ...  |
Hart-Parr 40 Transmission | |
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2-speed gear | |
Transmission details ...  |
Hart-Parr 40 Power | |
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Drawbar (claimed) | 22 hp
16.4 kW |
Belt (claimed) | 40 hp
29.8 kW |
Drawbar (tested) | 28.23 hp
21.1 kW |
Belt (tested) | 46.40 hp
34.6 kW |
Performance test details ...  | |
Mechanical | |
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Two-wheel drive | |
Manual steering | |
Open operator station. |
Photos | |
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 | |
Hart-Parr 40 photos...  |
Dimensions & Tires | |
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Weight | 7500 lbs
3402 kg |
Front tire | 28x5 |
Rear tire | 52x13 |
Full dimensions and tires ...  | |
40 Serial Numbers | |
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1923 | 70001 |
1924 | 70020 |
1925 | 70095 |
1926 | 70251 |
1927 | 70491 |
Final | 70500 |
FAQ: How to read a serial number table. | |
Belt Pulley | |
|---|---|
Diameter | 14 inches
35 cm |
Width | 9 inches
22 cm |
RPM | 800 |
Speed | 2750 ft/min
838.20 meters/min |