The 1956 Harley-Davidson KH from United States was powered by a 883cc SV V-twin producing 38hp at 5500rpm. Weighing 200.0kg (441 lbs) and with a seat height of 720mm, it was aimed at standard riders.
The 1966 Harley-Davidson FLH Shovelhead by contrast offered 1207cc of OHV V-twin Shovelhead power, delivering 60hp at 5400rpm. Tipping the scales at 320.0kg (705 lbs) with a top speed of 155km/h (96 mph), it offered a distinct riding experience. 1950s bikes represent the golden age of British motorcycling and early Japanese innovation, with well-maintained examples commanding premium prices.
Specifications Comparison
| 1956 Harley-Davidson KH | 1966 Harley-Davidson FLH Shovelhead | |
|---|---|---|
| Displacement | 883 cc | 1207 cc |
| Power | 38 hp | 60 hp |
| Torque | 52.0 Nm | 95.0 Nm |
| Cylinders | 2 | 2 |
| Top Speed | 155 km/h | 155 km/h |
| Quarter Mile | — | — |
| Dry Weight | 200.0 kg | 320.0 kg |
| Wet Weight | 218.0 kg | 345.0 kg |
| Seat Height | 720 mm | 690 mm |
| Wheelbase | 1450 mm | 1550 mm |
| Fuel Capacity | 13.0 L | 19.0 L |
| Gears | 4 -speed | 4 -speed |
The Verdict
Comparing these two Harley-Davidson machines reveals the brand's evolution. The 1956 Harley-Davidson KH laid the groundwork with 38hp, while the later 1966 Harley-Davidson FLH Shovelhead pushed output to 60hp. Both share equal collector appeal at 7/10. Either way, both are worthy additions to any Harley-Davidson collection. Parts availability is difficult for the 1956 Harley-Davidson KH and good for the 1966 Harley-Davidson FLH Shovelhead — an important factor for any restoration project.
About the 1956 Harley-Davidson KH
Harley-Davidson released the 1956 Harley-Davidson KH in 1956 with a 883cc SV V-twin powerplant making 38hp — a definitive standard motorcycle.
Full 1956 Harley-Davidson KH Profile →About the 1966 Harley-Davidson FLH Shovelhead
The 1966 1966 Harley-Davidson FLH Shovelhead is a 1207cc twin-cylinder touring motorcycle that became one of Harley-Davidson's most memorable motorcycles of the 1960s.
Full 1966 Harley-Davidson FLH Shovelhead Profile →