| MODEL | ZUNDAPP K 800 1937 |
| Year | 1937 |
| Engine Type | Four-cylinder boxer, four-stroke |
| Displacement / Capacity | 791 cc / 48.27 cu in |
| Bore X Stroke | 62.0 x 66.6 mm / 2.4 x 2.6 in |
| Compression Ratio | — |
| Cooling System | Air |
| Max Power | 16.1 kW / 22 hp @ 4300 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | Amal 22 mm carburettor |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 4-speed |
| Clutch | — |
| Final Drive | Shaft |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | — |
| Rear Suspension | Rigid |
| Front Brakes | Drum |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 193 kg / 425.5 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 3.50-19 |
| Rear Tyre | 3.50-19 |
| FUEL SYSTEM | |
| Fuel Capacity | 12.5 Litres / 3.3 US gal |
| Fuel Consumption | — |
| Top Speed | 125 km/h / 77.7 mph |
The K 800 was the largest of Zundapp's K-series four-cylinder boxers, a shaft-driven tourer and sidecar machine of the 1930s. Output rose from 20 to 22 hp in the later years, with a rigid frame and drum brakes throughout.
