Minneapolis 39-57: all source data
All 29 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 | Minneapolis (a part of Minneapolis Threshing Machine Company) |
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| (no label) | Standard-tread tractor |
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| (no label) | Built in Hopkins, Minnesota, USA |
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Engine| (no label) | Stearns 10.1L 4-cyl gasoline |
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Transmission| (no label) | 2-speed gear |
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Power| Drawbar (claimed) | 39 hp | 29.1 kW |
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| Belt (claimed) | 57 hp | 42.5 kW |
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| Drawbar (tested) | 47.77 hp | 35.6 kW |
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| Belt (tested) | 64.55 hp | 48.1 kW |
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Mechanical| (no label) | Two-wheel drive |
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| (no label) | Manual steering |
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| (no label) | Open operator station. |
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Dimensions| Weight | 9695 lbs | 4397 kg |
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| Rear tire | 58x19.5 |
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Belt pulley| Diameter | 20 inches | 50 cm |
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| Width | 8.5 inches | 21 cm |
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| RPM | 620 |
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Engine
Engine detail| (no label) | Stearns |
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| (no label) | gasoline |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 617.7 ci | 10.1 L |
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| Bore/Stroke | 5.50x6.50 inches | 140 x 165 mm |
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| Rated RPM | 1000 |
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| Starter type | hand crank |
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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 rear | 58x19.5 (steel) |
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Dimensions| Weight | 9695 lbs | 4397 kg |
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