Forsale is my 1937 Harley-Davidson EL Knucklehead features its original sheet metal, was produced very early in the model run. The Kuncklehed OHV V-twin was introduced a year earlier on the 1936 models.
The Knucklehead EL models replaced the flathead VL bikes as Harley-Davidson’s top of the line. This particular bike was the 155th bike off the assembly line for the 1937 model run and features the 1936 transmission, 1936 oil tank and 1936 lower case numbers.