This highly realistic 1/14 scale flatbead semi-trailer model is for use in combination with Tamiya's 1/14 R/C tractor truck (sold seperately). A scale appearance is achieved by using authentic components such as aluminum chassis/frame, wood-floored platform and actual chains. Specifications: Scale: 1:14 Construction Kit: Assembly Kit Terrain Use: On Road Drive line: Solid Axle Suspension: Leaf Spring Shock Damper: Friction Damper Shock Damper material : Aluminum Tyre type: Rubber Tyre tread: Radial Chassis material: Aluminum Bearings: metal and plastic bushings Length: 27.99 inches (711mm) Width: 7.60 inches (193mm Weight: 5.47lbs. (2480g) Wheels & Tyres: Chrome/Radial