770 »Grand Mercedes« (M 07 K supercharged engine)

Combustion principle:
four-stroke Otto (carburettor engine with engageable Roots supercharger)
Configuration:
front, longitudinal; vertical
Engine type:
M 07 K
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, with supercharger 200 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