 Even though it's a trike like the T-REX, its styling is different, and it has a V-ROD engine from Harley-Davidson.Since 2013, Campagna has a long-term strategic agreement with the BMW Group that allows them to use the 1649cc engine BMW© in-line 6 cylinder in their T-REX®.On April 4, 2018, an electric prototype was released; based on the original T-REX but featuring the electric powertrain of Zero Motorcycle.