- Combustion principle: four-stroke
- Configuration: front, longitudinal; vertical
- Number of cylinders / arrangement: 4 / in-line (in pairs)
- Bore x Stroke: 110 x 148 mm; from 1912: 110 x 150 mm
- Total displacement: 5623 cc; from 1912: 5699 cc
- Rated output: 40 hp at 1230 rpm; from 1912: 50 hp at 1300 rpm
- Number of valves / arrangement: 1 intake, 1 exhaust / lateral, vertical (T-disposition)
- Valve operation: 2 lateral camshafts
- Camshaft drive: via spur gears in the middle of the crankshaft
- Fuel system: piston-type carburettor
- Fuel tank: position / capacity: under the car's rear / 90 l
- Frame design: U-section pressed-steel frame
- Front-wheel suspension: rigid axle
- Rear-wheel suspension: rigid axle
- Front springs: semi-elliptical springs
- Rear springs: semi-elliptical springs
- Steering: worm-and-nut steering, right-hand
- Brake system (foot brake): mechanical (water-cooled), acting on drive shaft
- Parking brake (hand brake): mechanical, acting on rear wheels
- Wheels: wooden-spoke wheels with steel rims or wire-spoke wheels
- Tires: front: 875 or 895 x 105; rear: 895 x 135
- Driven wheels: rear wheels
- Drivetrain: cardan shaft
- Gearing: 4-speed manual transmission
- Shifting: shift lever, right exterior (gate shift)
- Clutch: coil spring clutch, from 1912 leather biconical clutch
- Transmission type: change-speed gear
- Gear ratios: I. 4.0; II. 3.10; III. 2.10; IV. 1.0
- Final drive ratio: 3.00. 2.59 or 2.40
- Maximum speed: 70 - 75 km/h
- Fuel consumption: 19 - 23 l
- Wheelbase: 3125, 3380, 3430 or 3475 mm
- Front / rear track: 1420 / 1420 mm
- Length: 4800 mm
- Width: 1750 mm
- Height: 2300 mm
- Chassis weigth: 1230 - 1330 kg
- Kerb weight: 1900 - 2020 kg