Here’s a ’59 Harley-Davidson Hummer that was at the 2013 Barrett-Jackson Auction in Palm Beach. The Harley-Davidson Hummer is a motorcycle that was made between 1955 and 1959. The engine is a 2 liter 1 cylinder engine that produces 3 horsepower. The transmission is a 3-speed foot shift. The top speed is 50 mph. This Harley-Davidson was auctioned off for $14,850.