| MODEL | ZUNDAPP KS 601 1953 |
| Year | 1953 |
| Engine Type | Two cylinder boxer, OHV |
| Displacement / Capacity | 592 cc / 36.12 cu in |
| Bore X Stroke | 75 x 67.6 mm / 3.0 x 2.7 in |
| Compression Ratio | — |
| Cooling System | Air |
| Max Power | 28 hp / 20.4 kW @ 4700 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | Carburettor (Bing) |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 4-speed |
| Clutch | — |
| Final Drive | Shaft drive (cardan) |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic |
| Rear Suspension | — |
| Front Brakes | Expanding brake (drum) |
| Rear Brakes | Expanding brake (drum) |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 224 kg / 493.8 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 3.50-19 |
| Rear Tyre | 3.50-19 |
| FUEL SYSTEM | |
| Fuel Capacity | 14.5 Litres / 3.83 US gal |
| Fuel Consumption | — |
| Top Speed | 140 km/h / 87 mph |
The KS 601 was Zundapp's big air-cooled flat twin with overhead valves and shaft drive, nicknamed the Green Elephant and popular with sidecar users. It is a heavy, sturdy tourer with a four-speed box and spoked 19-inch wheels.
