Harley-Davidson Motor Company of Milwaukee (1903-)
 
 
Typ / Model Production time Capacity Cylinders / Engine Power Serial no. Top speed  
 
Model 0 1904 405 cm³
(24.74 ci)
1 cyl. (76 x 89 mm), 4-stroke 2 PS 2 units  
 
Model 1 1905-1906 440 cm³
(26.84 ci)
1 cyl. (79.4 x 89 mm), 4-stroke 4 PS 8 units
1906: 30 units
56 km/h
 
Model 3 1907 440 cm³
(26.84 ci)
1 cyl. (79.4 x 89 mm), 4-stroke 4 PS 150 units 64 km/h
 
Model 4 1908 440 cm³
(26.84 ci)
1 cyl. (79.4 x 89 mm), 4-stroke 4 PS 450 units 64 km/h

 
Model 5-7 1909-1911 494 cm³ 1 cyl., 4-stroke 4.3 PS 1.149 units 72 km/h
 
Model 7D-8D 1911-1912 811 cm³
(49.5 ci)
2 cyl., 4-stroke, V-twin 45°, "F-head" 6½ PS 3.500 units 88 km/h
 
Model 8 1912 522 cm³ 1 cyl., 4-stroke 4.3 PS 545 units 80 km/h