2024 MorbarkĀ® TW Series Brush Chippers 230VTRThe TW 230VTR is available with a choice of a high-powered Briggs & Stratton Vanguard V-twin gasoline engine or high-torque Kubota V1505 diesel engine. It features a variable width,, dual speed track system to allow, you to get to the most remote locations fast with a minimum machine width of just 32" (810mm) - not even a garden gate will stop you!