Mercedes-Benz 770 (1930 - 1943)
Video
Details
| Layout | FR layout |
|---|---|
| Powertrain | |
| Engine |
|
| Dimensions | |
| Wheelbase |
|
| Length |
|
| Width |
|
| Type 770 (without compressor) | Type 770 (with compressor) | |
|---|---|---|
| Designation | W 07 | |
| engine | ||
| Working method | Four-stroke Otto | Four-stroke Otto (carburettor engine with switchable Roots compressor) |
| Arrangement in the vehicle | front, lengthways; standing | |
| Engine type / model | M 07 | M 07 K |
| Number of cylinders / arrangement | 8 / row | |
| cooling | Water cooling | |
| Bore × stroke | 95 × 135 mm | |
| Total displacement | 7655 cm³ (according to tax formula 7603 cm³) | |
| compression | 4.7: 1 | |
| Performance / at | 110 kW (150 PS) at 2800 rpm |
without / with activated compressor : 110/147 kW (150/200 hp) at 2800 rpm |
| Valve arrangement / number | 1 inlet, 1 outlet / hanging | |
| Valve control | 1 side camshaft | |
| Camshaft drive | via spur gears | |
| Mixture preparation | 1 Mercedes-Benz three-jet double carburetor | |
| Ignition system | Two spark plugs per cylinder : double ignition consisting of high-voltage magnetic and battery ignition | |
| Fuel tank: arrangement / capacity | in the rear / 120 l | |
| Chassis and power transmission | ||
| Frame design | U-profile pressed steel low frame with cross bracing | |
| Wheel suspension; front | Rigid axle | |
| Wheel suspension; back | Rigid axle | |
| Suspension; front | Semi-springs | |
| Rear suspension | Underslung half- springs | |
| steering | Screw steering | |
| Brake system (foot brake) | mechanical, with Bosch-Dewandre suction air assistance; acting on front and rear wheels | |
| Parking brake (handbrake) | mechanical, acting on rear wheels | |
| bikes | Wooden or wire spoke wheels | |
| rims | Flat bed rim 30 x 5 B | |
| tires | 7.00-20 | |
| Driven wheels | Rear wheels | |
| Power transmission | propeller shaft | |
| Transmission and performance | ||
| transmission | Three-speed manual transmission with additional overdrive ( Overdrive ) | |
| circuit | Gear lever in center of carriage; High speed semi-automatic (suction air) | |
| coupling | Two-disc dry clutch | |
| Gear type | Gear change transmission | |
| Gear ratio | I. 2.73; II. 1.52; III. 1.0; P. 0.71 or 0.76 | |
| Final drive ratio | 4.50; 4.88 or 4.30 | |
| Top speed | 150 km / h | 160 km / h |
| Fuel consumption | 29 l | 30 l |
| Dimensions and weights | ||
| wheelbase | 3750 mm | |
| Front / rear track | 1500/1500 mm | |
| length | 5600 mm | |
| width | 1840 mm | |
| height | 1830 mm | |
| Weight of the chassis | 1950 kg | |
| Empty weight (car weight) | 2700 kg | |
| Perm. total weight | 3500 kg | |