Harley Davidson Fat Boy (2018) Bike Price in Bangladesh February 2020. Which Engine Type is Milwaukee-Eight™ 107. This bike is powered by the 1745 (cc) Engine. Harley Davidson Fat Boy (2018) and it's Maximum Torque is 144 Nm @ 3000 rpm. Transmission duties are taken care of by a 6 Speed Gearbox. Harley Davidson claims that the bike offers a mileage of 20.27 (approx). Harley Davidson Fat Boy (2018) Front Suspension is Racing Style Cartridge and Rear Suspension is Monoshock. Harley Davidson Fat Boy (2018) Price is 0.00 Taka (approx). Click Here to find Harley Davidson Motorcycle Showrooms in Bangladesh.