- Combustion principle: four-stroke
- Configuration: rear, horizontal
- Number of cylinders / arrangement: 1 / horizontal; horizontal flywheel, from 1888 vertical
- Bore x Stroke: 115 x 160 mm
- Total displacement: 1660 cc
- Rated output: 2.5 hp at 500 rpm
- Number of valves / arrangement: 1 intake-guiding blade, from 1888 intake valve; 1 exhaust valve/vertical
- Valve operation: intake via eccentric rod; exhaust via cam disc, rocker arm and push rod
- Fuel system: Benz surface carburettor
- Fuel tank: position / capacity: not fitted (fuel reserve in the carburettor)
- Frame design: steel-tube frame
- Front-wheel suspension: 1 front wheel in steering fork
- Rear-wheel suspension: rigid axle
- Front springs: 1 small full-elliptical spring (transverse)
- Rear springs: full-elliptic springs
- Steering: rack-and-pinion steering, steering crank in centre of vehicle
- Brake system (foot brake): not fitted
- Parking brake (hand brake): wood-pad brakes, acting on rear tyres
- Wheels: wooden-spoke wheels; front 760 mm, rear 1260 mm
- Tires: front wheel: iron or solid-rubber; rear wheel: iron
- Driven wheels: rear wheels
- Drivetrain: 1 flat belt from the engine to the countershaft with pulley set and integrated differential; one chain from the countershaft to each of the rear wheels
- Gearing: 2 forward gears, no reverse gear
- Shifting: shifting of the belt between the pulleys by hand lever
- Clutch: not fitted
- Transmission type: loose- and two-stage fixed-pulley set
- Maximum speed: 20 km/h
- Wheelbase: 1575 mm
- Front / rear track: rear 1190 mm
- Kerb weight: 360 kg
- Units produced: a total of approx. 25 (all engine versions)
- Prices: two-seater with roof half: Mk. 3,000.-