- Combustion principle: four-stroke
- Configuration: front, longitudinal; vertical
- Number of cylinders / arrangement: 6 / in-line (in two groups of three)
- Bore x Stroke: 80 x 138 mm
- Total displacement: 4160 cc
- Compression ratio: 5.75
- Rated output: 75 hp at 2800 rpm
- Number of valves / arrangement: 1 intake, 1 exhaust / lateral, vertical (L-disposition)
- Valve operation: 1 lateral camshaft
- Camshaft drive: chain
- Fuel system: 2 Zenith cross-draught carburettors
- Fuel tank: position / capacity: in the rear / 100 l
- Frame design: pressed-steel frame
- 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, right-hand
- Brake system (foot brake): mechanical; acting on cardan shaft, from 1925 additionally on front wheels
- Parking brake (hand brake): mechanical, acting on rear wheels
- Wheels: Rudge wire-spoke wheels
- Tires: 880 x 135 or 33 x 6.75
- Driven wheels: rear wheels
- Drivetrain: cardan shaft
- Gearing: 4-speed manual transmission
- Shifting: shift lever, right exterior (from 1924 interior); gate shift
- Clutch: leather cone clutch
- Transmission type: change-speed gear
- Gear ratios: I. 3.89; II. 2.59; III. 1.71; IV. 1.0
- Final drive ratio: 3.73
- Maximum speed: 110 km/h
- Fuel consumption: 18 - 20 l
- Wheelbase: 3274 mm
- Front / rear track: 1420 / 1420 mm
- Length: 4600 mm
- Width: 1740 mm
- Height: 1800 mm
- Chassis weigth: 1250 kg
- Kerb weight: tourer: 1700 kg