Classic Harley Davidsons 
Classic IndiansCustom BikesMembers' Bikes |
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1939 Flathead The 80" UL was the culmination of the early development of the side valve V twin engine. These engines were dependable and simple. Much of the design of the bottom end of these engines was carried over to Harley's later overhead valve motors. |
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| 1936 Knucklehead Harley's first overhead valve engine was introduced in 1936. The first "Knucks" had a 61" displacement that grew to 74" by 1947 when the bikes were discontinued. These engines produced almost double the horsepower of the "Flatties" and had distinctive, curved, knuckle like valve covers that gave them their name. |
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1942 45" Flathead Harley Davidson stopped production of civilian models during WWII to concentrate solely on producing these 45" flatheads for the US Army. About 80,000 were produced during the war, and they proved to be durable and efective military vehicles. |
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| 1948 Panhead Introduced in 1948, the 74" Panhead motor was esentially the same motor as the "Knuck" with improved head design. Panheads were produced until 1965, and while the motor remained the same, the styling evolved over those years. In 1953 the shock absorber suspension of the "Duo-Glide" frame replaced the old rigid frame. The fenders were re-designed, and a new telescopic type front end replaced the old "springer". |
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1970 Shovelhead The early Shovelhead motor, introduced in 1966, retained the lower end design of the Knuckle and Pan. In 1970 the generator was eliminated in favor of an alternator and the distributor was moved to the right side of the engine. These "cone motor " Shovelheads continued to be produced with a 74" diplacement until 1980 , and with 80" diplacement until 1985 when they were discontinued. |
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| 1990 Evo Blockhead Harley's first big changes after regaining control of the company from AMF were the softail frame and the evolution engine, introduced in 1985. This Hertiage Classic has an 80" motor and a monoshock "softail" frame. A five speed transmission was introduced and the kickstarter was eliminated |
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2003 TC88 Fathead Harley introduced a new twin cam 88" motor in 1999. The current "Road King" model has incorporated the new techology into a package that maintains traditional Harley Davidson styling. The latest models of these new bikes have 6 speed transmissions and fuel injection. |
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