The 1948 Harley-Davidson FL Panhead from United States was powered by a 1207cc OHV V-twin Panhead producing 50hp at 5000rpm. Weighing 255.0kg (562 lbs) and with a seat height of 690mm, it was aimed at cruiser riders.
The 1956 Harley-Davidson KH by contrast offered 883cc of SV V-twin power, delivering 38hp at 5500rpm. Tipping the scales at 200.0kg (441 lbs) with a top speed of 155km/h (96 mph), it offered a distinct riding experience. 1940s motorcycles, especially military-era models, hold strong collector interest with values reflecting their historical significance.
Specifications Comparison
| 1948 Harley-Davidson FL Panhead | 1956 Harley-Davidson KH | |
|---|---|---|
| Displacement | 1207 cc | 883 cc |
| Power | 50 hp | 38 hp |
| Torque | 85.0 Nm | 52.0 Nm |
| Cylinders | 2 | 2 |
| Top Speed | 155 km/h | 155 km/h |
| Quarter Mile | — | — |
| Dry Weight | 255.0 kg | 200.0 kg |
| Wet Weight | 275.0 kg | 218.0 kg |
| Seat Height | 690 mm | 720 mm |
| Wheelbase | 1510 mm | 1450 mm |
| Fuel Capacity | 15.0 L | 13.0 L |
| Gears | 4 -speed | 4 -speed |
The Verdict
Comparing these two Harley-Davidson machines reveals the brand's evolution. The 1948 Harley-Davidson FL Panhead laid the groundwork with 50hp, while the later 1956 Harley-Davidson KH pushed output to 38hp. From a collector's perspective, the 1948 Harley-Davidson FL Panhead holds the edge with a 9/10 rating. Either way, both are worthy additions to any Harley-Davidson collection. Parts availability is moderate for the 1948 Harley-Davidson FL Panhead and difficult for the 1956 Harley-Davidson KH — an important factor for any restoration project.
About the 1948 Harley-Davidson FL Panhead
The 1948 1948 Harley-Davidson FL Panhead is a 1207cc twin-cylinder cruiser that became one of Harley-Davidson's most memorable motorcycles of the 1940s.
Full 1948 Harley-Davidson FL Panhead Profile →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 →