Harley-Davidson Motor Company of Milwaukee (1903-)
 
 
Typ / Model Production time Capacity Cylinders / Engine Power Serial no. Top speed  
 
Prototype 1903 167 cm³
(10.2 ci)
1 cyl. (54 x 73), 4-stroke, inlet-over-exhaust (snifting valve) "F-head", belt driven 1¾ PS 1 unit 25 mph
 
Model 0 1903-1904 405.41 cm³
(24.74 ci)
1 cyl. (76 x 89 mm), 4-stroke, inlet-over-exhaust (snifting valve) "F-head", belt driven 2 PS 2 units  
 
Model 1 1905-1906 439 cm³
(26.84 ci)
1 cyl. (79.4 x 89 mm), 4-stroke, inlet-over-exhaust (snifting valve) "F-head", belt driven 3 PS 8 units
1906: 30 units
56 km/h
 
Model 2 1906 439 cm³
(26.84 ci)
1 cyl. (79.4 x 89 mm), 4-stroke, inlet-over-exhaust (snifting valve) "F-head", belt driven 4 PS 50 units 64 km/h
 
Model 3 1907 439 cm³
(26.84 ci)
1 cyl. (79.4 x 89 mm), 4-stroke, inlet-over-exhaust (snifting valve) "F-head", belt driven 4 PS 150 units 64 km/h

 
Model 4 1908 439 cm³
(26.84 ci)
1 cyl. (79.4 x 89 mm), 4-stroke, inlet-over-exhaust (snifting valve) "F-head", belt driven 4 PS 450 units 64 km/h

 
Model 5
(28-inch wheels)
1909 494.28 cm³
(30.16 ci)
1 cyl. (84 x 89 mm), 4-stroke, inlet-over-exhaust (snifting valve) "F-head", belt driven 4.3 PS 864 units 72 km/h
Model 5A
(Magneto version of Model 5)
54 units
Model 5B
(Model 5 with 26-inch wheels)
168 units
Model 5C
(Model 5B with Magneto)
36 units
Model 5D
(Double Cylinder Magneto version)
811 cm³
(49.5 ci)
2 cyl. (76 x 89 mm), 4-stroke, inlet-over-exhaust (snifting valve) "F-head", "Double Cylinder", belt driven 7 PS 27 units 105 km/h
 
Model 6
(28-inch wheels)
1910 494.28 cm³
(30.16 ci)
1 cyl. (84 x 89 mm), 4-stroke, inlet-over-exhaust (snifting valve) "F-head", belt driven 4.3 PS ? units 72 km/h

Model 6A
(Magneto version)
334 units
Model 6B
(26-inch wheels)
? units
Model 6C
(Model 6B with Magneto)
? units
Model 6D
(Double Cylinder Magneto version)
2 cyl., 4-stroke, inlet-over-exhaust (snifting valve) "F-head", "Double Cylinder", belt driven 7 PS ? units ? km/h
Model 6E
(Magneto version, Stock racing)

some sold to "bona fide racing"
1 cyl. (84 x 89 mm), 4-stroke, inlet-over-exhaust (snifting valve) "F-head", belt driven 4.3 PS ? units ? km/h
Model 6F
(Double Cylinder Magneto version)
  2 cyl., 4-stroke, inlet-over-exhaust (snifting valve) "F-head", "Double Cylinder", belt driven 7 PS ? units ? km/h
 
Model 7
(28-inch wheels)
1911 494.28 cm³
(30.16 ci)
1 cyl. (84 x 89 mm), 4-stroke, inlet-over-exhaust (snifting valve) "F-head", belt driven 4.3 PS ? units 72 km/h
Model 7A
(Magneto version)
? units
Model 7B
(26-inch wheels)
? units
Model 7C
(Model 7B with Magneto)
? units
Model 7D
(Double Cylinder Magneto version)
810.83 cm³
(49.48 ci)
2 cyl. (76.2 x 89 mm), 4-stroke, inlet-over-exhaust (snifting valve) "F-head", V-twin 45°, belt driven 6½ PS 5.625 units 97 km/h
 
Model 8A
(Magneto version)
1912 494.28 cm³
(30.16 ci)
1 cyl. (84 x 89 mm), 4-stroke, inlet-over-exhaust (snifting valve) "F-head", belt driven 4.3 PS ? units 80 km/h

Model X8A
(Model 8A with clutch)
545 units 80 km/h
Model 8B
(26-inch wheels)
? units 80 km/h
Model 8C
(Model 8B with Magneto)
? units 80 km/h
Model 8D
(Double Cylinder Magneto version)
810.83 cm³
(49.48 ci)
2 cyl. (76.2 x 89 mm), 4-stroke, inlet-over-exhaust (snifting valve) "F-head", V-twin 45°, belt driven 6½ PS ? units 100 km/h
Model X8D
(Model 8D with clutch)
1.616 units 100 km/h
Model X8E
(60.32 ci with chain drive / clutch)
988.5 cm³
(60.32 ci)
2 cyl. (84.1 x 88.9 mm), 4-stroke, inlet-over-exhaust (snifting valve) "F-head", V-twin 45°, chain driven 8 PS 105 km/h

 
Model 9A
(Magneto version)
"5-35"
1913 564.89 cm³
(34.47 ci)
1 cyl. (84.14 x 101.6 mm), 4-stroke, intake-valve, "F-head", belt driven 4½ PS
(2.200 rpm)
1.510 units 80 km/h
Model 9B
(26-inch wheels)
"5-35"
1 cyl. (84.14 x 101.6 mm), 4-stroke, intake-valve, "F-head", chain driven

Model 9E
(60.32 ci with chain drive / clutch)
987.67 cm³
(60.33 ci)
2 cyl. (84.1 x 88.9 mm), 4-stroke, intake-valve, V-twin 45°, "F-head", chain driven 8 PS 6.732 units 105 km/h
Model 9F
(2-speed version of Model 9E)
Prototype status
987.67 cm³
(60.33 ci)
2 cyl. (84.1 x 88.9 mm), 4-stroke, intake-valve, V-twin 45°, "F-head", chain driven 8 PS    
 
Model 10A 1914 564.9 cm³
(34.47 ci)
1 cyl. (84.14 x 101.6 mm), 4-stroke, intake-valve, "F-head", belt driven 5 PS ? units ? km/h
Model 10B
(chain drive version of Model 10A)
1 cyl. (84.14 x 101.6 mm), 4-stroke, intake-valve, "F-head", chain driven ? units ? km/h
Model 10C
(2-speed version of Model 10B)
850-890 units ? km/h
Model 10E 810.83 cm³
(49.48 ci)
2 cyl. (76.2 x 89 mm), 4-stroke, intake-valve, V-twin 45°, "F-head", chain driven 6½ PS ? units ? km/h
Model 10F
(2-speed version of Model 10E)
7.956 units 105 km/h