Tamiya R/C Mercedes-Benz Arocs 3348 Dump Truck Plastic Model Kit This a highly accurate 1/14th scale radio control model that recreates the Mercedes-Benz dump truck. It features a highly realistic truck bed section behind the cab which can be operated by the radio transmitter, using the separately-sold Actuator Set (Item 56545) The model's ladder frame chassis features aluminum side channels with resin cross members and is equipped with a highly realistic suspension utilizing metal leaf springs and friction dampers. A front-mounted motor and 3-speed transmission power the two rear wheel axles, which are fitted with built-in differentials to enable smooth cornering. A (minimum) 4-channel R/C system and multi-function unit allow you to drive the vehicle and experience realistic lights, sounds and vibrations. This is not essential as a speed controller will suffice to get your model moving, however the multifunction unit does as a touch more realism to the model. Scale 1:14 Weight 3500 g Length 576 mm Height 267 mm Width 190 mm Requires: 4 or more channel radio gear, 7.2 battery & charger , Tamiya Speed controller or Multifunction unit Please note: If you purchase the Multifunction unit you do NOT require a speed controller.