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Isotta-Fraschini KM4, 1912
| Manufacturer | Isotta-Fraschini |
| Model | KM4 |
| Year of production | 1912 |
| Start of production | 1911 |
| End of production | 1914 |
| Body type |
roadster |
| Number of doors | 0 |
| Number of seats | 2 |
| Engine position |
front |
| Drive wheel |
rear |
| Fuel |
petrol |
| Number of cylinders |
inline 4 |
| Cooling |
liquid |
| Capacity | 10618 ccm, 644.9 cu-in |
| Bore | |
| Stroke | |
| Compression ratio | |
| Valve Gear |
OHC |
| Valves per cylinder | 4 |
| Fuel system |
carburator |
| Aspiration |
normal |
| Max power [kW / PS / hp] |
88 / 120 / 118 at 1800 rpm |
| Max torque [Nm / ft-lb] |
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| Total power (hybrid) | |
| Total torque (hybrid) |
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| Gearbox | M4 |
| Gearbox (option) | |
| Wheelbase | 3150 mm, 124 in |
| Front track | |
| Rear track | |
| Length | 4300 mm, 169.3 in |
| Width | 1730 mm, 68.1 in |
| Height | |
| Weight | 1350 kg, 2976 lb |
| Maximum speed |
130 km/h, 81 mph |
| 0-100 km/h | |
| Standing km | |
| Foto: Motorsport |
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