PKW3060010 770 »Grand Mercedes« (M 07 naturally aspirated engine)

770 »Grand Mercedes« (M 07 naturally aspirated engine)

  • Design name
    W 07
  • Production period
    1930 - 1938
  • Combustion principle
    four-stroke petrol
  • Configuration
    front, longitudinal; vertical
  • Engine type
    M 07
  • Number of cylinders / arrangement
    8 / in line
  • Bore x Stroke
    95 x 135 mm
  • Total displacement
    7655 cc (tax classification: 7603 cc)
  • Compression ratio
    4.7
  • Rated output
    150 hp at 2800 rpm
  • Number of valves / arrangement
    1 intake, 1 exhaust / overhead
  • Valve operation
    1 lateral camshaft
  • Camshaft drive
    via spur gears
  • Fuel system
    1 Mercedes-Benz triple-jet twin carburettor
  • Fuel tank: position / capacity
    in the rear / 120 l
  • Frame design
    U-section pressed-steel low-bed frame with X-Type cross bracing
  • Front-wheel suspension
    rigid axle
  • Rear-wheel suspension
    rigid axle
  • Front springs
    semi-elliptical springs
  • Rear springs
    underslung semi-elliptical springs
  • Steering
    worm-and-nut steering
  • Brake system (foot brake)
    mechanical, with Bosch-Dewandre vacuum booster; acting on front- and rear wheels
  • Parking brake (hand brake)
    mechanical, acting on rear wheels
  • Wheels
    wooden- or wire-spoke wheels
  • Wheel rims
    flat-base rim 30 x 5 B
  • Tires
    7.00-20
  • Driven wheels
    rear wheels
  • Drivetrain
    cardan shaft
  • Gearing
    3-speed gearwheel thrust transmission with additional overdrive
  • Shifting
    shift lever in centre of vehicle; semi-automatic overdrive (vacuum)
  • Clutch
    dry double-disc clutch
  • Transmission type
    change-speed gear
  • Gear ratios
    I: 2.73; II: 1.52; III: 1.0; S: 0.71 or 0.76
  • Final drive ratio
    4.50; 4.88 or 4.30
  • Maximum speed
    150 km/h
  • Fuel consumption
    29 l
  • Wheelbase
    3750 mm
  • Front / rear track
    1500 / 1500 mm
  • Length
    5600 mm
  • Width
    1840 mm
  • Height
    1830 mm
  • Chassis weigth
    1950 kg
  • Kerb weight
    2700 kg
  • Gross weight
    3500 kg
  • Units produced
    a total of 117 (supercharged and non-supercharged cars)
  • Prices
    chassis: RM 29,500.-
    tourer (6 seats): RM 39,000.-
    Pullman limousine: RM 38,000.-
    convertible C: RM 41,500.-
    convertible B: RM 44,500.-
    convertible D: RM 44,500.-
    convertible F: RM 44,500.-
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