This is the electric powered, radio controlled, 1/14 scale Gun Metal Edition Tamiya Man TGX 26.540 6x4 XLX Tractor Truck kit. Compatible with the Tamiya Tractor Truck Option Parts for further customization. Chassis: Ladder frame with aluminum channels and resin cross members Cabin: Tilt forward operation just like full-size truck, removable fenders to depict a low carrying load Drive: Shaft driven from front mounted motor to rear axles which are equipped with differentials Motor: RS540 brushed Transmission: Three speed servo controlled constant mesh Suspension: Die cast metal front axle and reinforced resin rear axles float mounted on metal leaf springs and coil spring shocks Cab: Molded gray ABS plastic, painted in Gun Metal gray (Tamiya color TS-38), cab tilts forward separately from fenders, clear plastic windows, separate grille, mirrors, seats dashboard and other accessories add to realism Wheels: Chrome plated plastic Tires: Ten, treaded rubber construction 1/14 scale Tamiya TGX 26.540 6x4 XLX semi kit, 540 motor, tires, wheels, decal sheet, 3-speed transmission, instructions and coupler unit for trailer (trailer not included) Radio: 4-channel with 4-channel receiver Servos: Two standard size for steering and shifting Electronic Speed Control: Tamiya TEU302BK (TAMM3178) recommended, do not use the Tamiya TEU101BK or the TEU104BK Battery: 6-cell stick Battery Charger: Timed or peak for 6-cell battery Paint, building & track equipment Length: 20.7" (526mm) Width: 7.6" (193mm) Height: 11.7" (298mm) Wheelbase: 10.7" (272mm) Gear Ratio: Low Gear 1:32.49 2nd Gear 1:17.66 3rd Gear 1:10.66 The Tamiya Multi Function Control Unit (TAMC6511) not included, provides many different truck related sound effects. The Multi Function Control Unit REQUIRES an 2.4Ghz type radio only with analog trims such as the Tamiya 4YWD, TAMJ5252. jxs 10/16/15 ir/jxs &