The Grand Hauler resembles a classic customized american tractor truck. The included 540 motor drives a 3-speed transmission, which has no problem turning the dual rear axles. Leaf spring and shocks keep the axles suspended to the metal C-Channel ladder frame, which keeps the power to the pavement. This customized beauty, sports some new hardware. Front Bumper Grille Visor Stretched Chassis Side Steps Rear Fenders Rear Bumper Driver figure Custom fat exhaust stacks And more... Whether by itself or coupled to an optional trailer, the Grand Hauler is sure to turn heads. Scale: 1/14 Construction type: Assembly kit Terrain use: On-Road Drive-train: 4-axle semi Drive type: 3-speed Drive line: Dog bone Differential type: Live axle Suspension: Leaf spring Steering mechanism: Bell-crank Shock damper: Friction damper Shock damper material: Aluminium Tire type: Rubber Tire tread: Radial Body material: ABS Plastic Chassis material: Aluminium & plastic Electronic Speed Control (ESC): Not included ESC model: N/A LED Light buckets: Yes LED lights: No Motor: 540-brushed type Bearings: Metal bearings Adjustable camber: Fixed Adjustable toe angles: Front only Adjustable ground clearance: Fixed Adjustable gear ratio: 3-speed transmission Adjustable wheelbase: Fixed Adjustable track width: Fixed Adjustable shock angle: Fixed Special feature 1: Length: 692mm, width: 190mm, height: 300mm. Special feature 2: The realistic, lengthened body features newly-designed parts depicting front and rear bumpers, front grille, air cleaners and muffler covers. Muffler covers are made from metal tubing. Special feature 3: Features a tough ladder frame construction with aluminium side channels and plastic cross members. Special feature 4: Realistic drivetrain setup sees the front mounted motor powering twin rear axles. Special feature 5: Metal leaf spring dampers with built-in coil springs provide durable suspension. Special feature 6: Newly-designed 1/14 scale driver figure included. Special feature 7: Coupler is included to enable connection with any currently available Tamiya 1/14 scale trailer. Requires A: 7.2 battery & charger Requires B: 4-channel radio gear Requires C: Electronic speed control Requires D: TS plastic model paint