Abstract: A transmission unit for a recreational vehicle comprises: steering arrangement controlled by movement of the weight of the user, driving assembly which includes a free-wheeling clutch, suspension assembly and braking assembly. The vehicle also includes an engine (with gearbox and clutch) and a user support platform, and is adapted for use on any type of land surface, both on- and off-road. The unit is connected between the engine and at least one axle, through a drive. The vehicle may include wheels with balloon tyres as part of the adaption for all terrain capability. A remote control may be remote from the vehicle and hand-operable.