The Tamiya 1/14 Grand Hauler Semi Kit replicates the real-world vehicle recreates a massive boxy, customized truck like those seen in North America. 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 4-channel R/C system and multi-function unit allow you to drive the vehicle and experience realistic lights, sounds and vibrations. Realistic Lights, Sounds, and Vibration with the separately sold MFC Unit: The separately sold Multi-Function Control Unit (MFC) offers light, sound, and vibration operation to accompany your R/C truck experience.