- Engine type: M 154/11
- Inlet valves: 2 inclined overhead valves per cylinder, actuated via finger followers
- Ignition sequence: 1-8-5-10-3-7-6-11-2-9-4-12
- No. of cylinders / arrangement: 12 / 60° V
- Outlet valves: 2 inclined overhead valves per cylinder, actuated via finger followers
- Configuration: Front, longitudinal; vertical
- Valve operation: 2 overhead camshafts per cylinder bank, gear drive
- Ignition adjustment: Automatically
- Combustion principle: Four-stroke Otto (with 2 superchargers)
- Crankshaft: 7-bearing (roller bearings)
- Bore x Stroke: 67 x 70 mm
- Fuel system: 1 two-barrel suction carb. with add. slide-valve carburetor / 2 Roots superchargers
- Total displacement: 2963 cc
- Spark plugs: 1 per cylinder, Bosch 450 G 4
- Fuel supply: Graetzin ZE 450 Mul fuel pump
- Compression ratio: 7.5
- Fuel tank capacity: 233 l
- Maximum / output / rated output: 468 hp at 7800 /min; 454 hp at 7500 /min *
- Rated torque: 50 mkg at 5000 /min
- Cooling: Glycol circulation cooling
- Maximum revolutions: 8000 /min
- Lubrication: Dry sump lubrication via 9 suction and pressure pumps
- Cylinders: 2 steel blocks per cylinder bank with welded-on cooling-water jackets
- Oil consumption: 2.7 l
- Cylinder head: Not removable, welded together with cylinders
- Starter: Inertia starter
- Generator: Not fitted
- Battery: Not fitted
- Ignition: High-voltage magneto ignition
- Ignition system: 2 Bosch magnetos
- Hand brake: Not fitted
- Foot brake: Acting on front- and rear wheels
- Steering: Worm-and-nut steering
- Wheels: Wire-spoke wheels, center mounting
- Front tires: 6.50 x 19
- Frame design: Oval-tube frame with 4 cross members
- Rear tires: 7.00 x 22
- Front wheel suspension: Double wishbone, coil springs, hydraulic shock absorbers
- Drivetrain: By cardan shaft to transaxle and rear wheels
- Rear wheel suspension: De Dion axle, longitudinal torsion-bar springs, hydraulic shock absorbers
- Brake system: Hydraulically actuated dual-circuit brake system
- Front brakes: Inside shoe brakes with finned light-alloy drums, 400 mm diameter
- Rear brakes: Inside shoe brakes with finned light-alloy drums, 400 mm diameter
- Transmission: 5-speed manual transmission with differential gear, transversally mounted below rear axle
- Shifting: Gate shift with locking system
- Clutch: Dry single-disc clutch
- Transmission type: Change-speed gear
- Maximum speed: app. 400 km/h
- Wheelbase: 2730 mm
- Front track: 1475 mm
- Rear track: 1412 mm
- Length: 6250 mm
- Width: 1850 mm
- Height: 1150 mm
- Vehicle weight: 981 kg**
- Comments: Design: O. Wagner and H. Heess under the direction of Dir. Max Sailer *Standard Oil racing fuel WW: 88.0 % methyl alcohol 8.8 % aceton 4.4 % nitrobenzene 0.8 % sulphuric ether **Weight when ready to be weighed according to formula regulations: 981 kg, minus: 17 kg cooling water 9 kg engine oil 6 kg fender suspension amounts to: 949 kg not including driver Empty weight not including tires: 850 kg
- Engine weight: 253 kg
- Seats: 1