The 685-A is a road car from Willys-Overland, with rear wheel drive, a front positioned engine and a 2 door off-road vehicle body style.
Its 6 cylinder, overhead inlet, side exhaust naturally aspirated engine has 2 valves per cylinder and a volume of 2.6 litres. This unit musters power and torque figures of 90 bhp (91 PS/67 kW) at 4200 rpm and 183 Nm (135 lbft/18.7 kgm) at 2000 rpm respectively.
The engine supplies its power through to the wheels via a 3 speed manual gearbox.
The Willys-Overland 685-A weighs a quoted 1174 kg at the kerb.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater off-road vehicle | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2743 mm | 108 inches | |
| Track/tread (front) | |||
| Track/tread (rear) | |||
| Length | 4595 mm | 180.9 inches | |
| Width | 1575 mm | 62 inches | |
| Height | 1575 mm | 62 inches | |
| Ground clearance | 197 mm | 7.8 inches | |
| length:wheelbase ratio | 1.68 | ||
| Kerb weight | 1174 kg | 2588 lb | |
| Weight distribution | |||
| fuel tank capacity | 68.2 litres | 15 [18] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | |||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 2.6 litre 2638 cc (160.981 cu in) |
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| Bore × Stroke | 79.4 × 88.9 mm
3.13 × 3.5 in |
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| Bore/stroke ratio | 0.89 | ||
| Valve gear | overhead inlet, side exhaust (oise)
2 valves per cylinder 12 valves in total |
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| maximum power output | 91 PS (90 bhp) (67 kW) at 4200 rpm |
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| maximum torque | 183 Nm (135 ft·lb) (18.7 kgm) at 2000 rpm |
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| Specific output | 25.4 kW/litre 34.6 ps/litre 34.1 bhp/litre 0.56 bhp/cu in |
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| Specific torque |
69.37 Nm/litre
0.84 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 7.6:1 | ||
| Fuel system | 1 Ca carb | ||
| bmep (brake mean effective pressure) | 871.7 kPa (126.4 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 439.67 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | |||
| Power-to-weight ratio | Higher is better 77.73 PS/tonne (1000 kg) 0.08 PS/kg 57.17 kW/tonne (1000 kg) 0.06 kW/kg 76.66 bhp/tonne (1000 kg) 0.08 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 17.49 kg/kW 29.22 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | |||
| Turning circle | 11.60 m | ||
| Front suspension | I.CS. | ||
| Rear suspension | LA.SE. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | |||
| Tyres rear | |||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | 857 cm2 | ||
| Gearbox | 3 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 4.10 | ||
| general | |||
| Carfolio.com ID | 52712 | ||
| Production total | |||
| Model code | |||
| RAC rating | 23.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1954 Willys-Overland 685-A added before December 1995. Last modified 2013-02-28. |
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