Harley Davidson Engines

Below is a comprehensive list of motorcycle engines produced by Harley Davidson throughout the years beginning in 1903 when William S. Harley and Arthur Davidson first started building in their insalubrious shed.

Single Cylinder Engines

Early Evo

27.4 Cubic Inch/449cc F Head single cyl 1903-05F head single cyl

 

26.8 Cubic Inch/439cc F head    single cyl 1906 –  08

30 Cubic Inch/491cc F Head single cyl 1909-12

35 Cubic Inch/573cc F head single cyl 1913-18

37 Cubic Inch/606cc F head single cyl 1921-23

21 Cubic Inch/344cc OHV 1926-29

Harley-Davidson-1928-28S-30 OHV

 

 

 

 

 

 

21 Cubic Inch/344cc Flathead 1926 – 341928-harley-davidson-28b_1 Flathead

30.5 Cubic Inch/499cc Flathead 1929-34

 

Topper 1960-65 The Topper had a 165 cc (10.1 cu in) single-cylinder two-stroke engine mounted horizontally. Topper

Hummers 1948 – 1966 – See Hummers Pageharley_165_stu Hummer

Aermacchi 1960 – 1978 – See Aermacchi Harley Davidson PageSprint SX-350

 

 

 

 

 

 

 

 

 

Twin Cylinder

F Head 1914-19291911-1929 F-Head

 

 

 

 

 

 

 

 

 

 

 

 

 

Flathead 1930-48 – until 73 in Servicar 45in 737cc

1929-1976 Flathead

 

 

 

 

 

 

 

 

 

 

 

 

Knucklehead 1936-47 60in- 983cc or 74in 1212cc1936-1947 Knucklehead

 

 

 

 

 

 

 

 

 

 

 

 

 

Panhead 1948-65 60in-983cc or 74in 1212cc1948-1965 Panhead

 

 

 

 

 

 

 

 

 

 

 

 

Shovelhead 1966-84 74in 1212cc or 82in 1343cc1966-1984 Shovelhead

 

 

 

 

 

 

 

 

 

 

 

 

Evolution 1984-99 82in 1343cc1984-1999 Evolution

 

 

 

 

 

 

 

 

 

 

 

Twin Cam 1999-2016 88in 1442cc, 95in 1556cc, 96in 1573cc, 103in 1687cc1999-2017 Twin Cam

 

 

 

 

 

 

 

 

 

 

 

 

Milwaukee Eight 2017 onwards 107in 1746cc, 114in 1868cc, 117in 1923ccMilwaukee-Eight 107

 

 

 

 

 

 

 

 

 

 

Sport Engines

W (Opposed) 1919 – 1923Harley-Davidson-19W-Sport-3 W (Opposed)

 

 

 

 

 

 

 

 

XA 1942

xa2 XA

 

 

 

 

 

 

 

 

D 1929 – 1931D 1929-31

R 1932 – 1936

1934-harley-davidson-vld-1 R 1932-36

 

 

 

 

 

 

 

 

W (V Twin) 1937 – 1952lv0117-263107_1@2x

G (W Engine) 1937 – 1973OLYMPUS DIGITAL CAMERA

WR 1941 – 1952

Harley-Davidson-WR750-7-1600x974_2048x2048 WR

 

K 1952 – 1953

SAMSUNG CAMERA PICTURES

 

 

 

 

 

 

 

 

 

KH 1954 – 1956

KH

 

 

 

 

 

 

 

 

 

KR 1952 – 1969 KR

Ironhead 1957 – 1985Ironhead

 

 

 

 

 

 

 

 

 

 

XR 1970

XR

 

 

 

 

 

 

 

 

 

Evolution 1986 onwards

OLYMPUS DIGITAL CAMERA

 

 

 

 

 

 

 

 

 

 

Water Cooled engines

Revolution 2002 onwards found in the VROD2002-Harley-Davidson-RevolutionEngine

Revolution X 2013 onwards found in the Street

revolutionX_engine