TAMIYA 1/14 RC Big Truck Series No.47 Mercedes-Benz Actros 3363 6 &times; 4 giga space full set of operations 56347 (Basic Specifications ): total length 538mm, overall width 195mm, height 305mm. Gross weight = (excluding options) about 3.9kg  wheelbase = 237 + 103mm  tread front / rear = 155/138 (double tire tread) mm  chassis shape = (made of aluminum + polycarbonate resin) ladder frame (Basic Specifications ):  Suspension: Front and Rear leaf rigid  Caster angle front / rear = 0  / 0   camber angle (front and rear) with 0   toe angle (front and rear) with 0   damper = aluminum dummy damper both the front and rear  Drivetrain: rear-wheel 2-axis drive  transmission = constant-mesh type 3-speed (speed by propoxycarbonyl operation)  gear Ratio = 1 speed 32.49: 1, 2-speed 17.76: 1, 3-speed 10.66: 1  Diff method = 3 Bevel (Basic Specifications ):  Motor = RS540 type  tire width / diameter = front wheel 30mm / 85mm, rear wheel 22mm / 83mm  Accessories: 4ch transmitter & receiver servo  2, multi-function control unit (MFC-03) , single & charger  AA batteries 4 for transmitter 7.2V battery (sold separately) Multi-language assembly instructions URL (PDF):http://www.tamiya.com/japan/download/rcmanual/56348.pdf