Twin City 12-20: all source data
All 53 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 | Twin City |
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| (no label) | Standard-tread tractor |
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| (no label) | Built in Minneapolis, Minnesota, USA |
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| Total built | 9,700 |
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Engine| (no label) | Twin City 5.6L 4-cyl kerosene |
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| Fuel tank | 20 gal | 75.7 L |
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| Aux. fuel | 1 gal | 3.8 L |
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Transmission| (no label) | 2-speed gear |
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Power| Engine | 35 hp | 26.1 kW |
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| Drawbar (claimed) | 12 hp | 8.9 kW |
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| Belt (claimed) | 20 hp | 14.9 kW |
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| Plows | 3 (14-inch) |
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| Drawbar (tested) | 18.43 hp | 13.7 kW |
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| Belt (tested) | 27.93 hp | 20.8 kW |
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Mechanical| (no label) | Two-wheel drive |
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| Final drives | bull gear |
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| (no label) | Manual steering |
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| (no label) | Open operator station. |
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Dimensions| Wheelbase | 84 inches | 213 cm |
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| Weight | 5000 lbs | 2268 kg |
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| Front tire | 34x5.75 |
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| Rear tire | 50x12 |
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Serial location| (no label) | Front-left of transmission. |
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Belt pulley| Diameter | 16 inches | 40 cm |
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| Width | 6.5 inches | 16 cm |
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| RPM | 650 |
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| Speed | 2700 ft/min | 822.96 meters/min |
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Engine
Engine detail| (no label) | Twin City |
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| (no label) | kerosene |
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| (no label) | 4-cylinder 16-valve |
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| (no label) | liquid-cooled inline |
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| Displacement | 340.5 ci | 5.6 L |
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| Bore/Stroke | 4.25x6.00 inches | 108 x 152 mm |
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| Power | 35 hp | 26.1 kW |
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| Fuel system | Holley carburetor |
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| Rated RPM | 1000 |
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| Starter type | hand-crank |
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| Coolant capacity (Coolant) | 40 qts | 37.9 L |
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Transmission
Transmission| Type | gear |
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| Gears | 2 forward and 1 reverse |
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| Clutch | dry disc |
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Dimensions
Tires| Ag front | 34x5.75 (steel) |
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| Ag rear | 50x12 (steel) |
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| Ag front | 30x5.75 (orchard) |
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| Ag rear | 42x12 (orchard) |
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Dimensions| Wheelbase | 84 inches | 213 cm |
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| Length | 134 inches | 340 cm |
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| Length | 139.5 inches (orchard) | 354 cm |
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| Width | 63 inches | 160 cm |
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| Width | 57.5 inches (orchard) | 146 cm |
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| Height | 66 inches | 167 cm |
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| Height | 57.5 inches (orchard) | 146 cm |
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| Shipping weight | 5000 lbs | 2268 kg |
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