The Tamiya Ford Aeromax in 1/14 scale is a radio controlled truck. The massive American rig has joined Tamiya's 1/14 scale tractor truck stable. Tamiya's model of the Ford Aeromax tractor truck boasts both large scale realism and authentic functions. Servo-shifted 3-speed transmission is mounted at the front of the aluminum ladder frame. Specifications: • Length: 24.17 inches (614mm) • Width: 7.48 inches (190mm) • Wheelbase: 17.60 inches (447mm) • Front Tread: 6.14 inches (156mm) • Rear Tread: 5.43 inches (138mm) • Weight: 6.39 lbs. (2900g) • Chassis: Aluminum ladder • Suspension: Solid Axle • Damper Type: Metal friction • Drive Train: Gearbox (3-speed) • Gear Ratio: 10.6:1 - With the 3-speed gearbox, 10.6:1, 17.7:1 and 32.4:1 are possible • Differential Type: Bevel Gear • Engine: Electric 540 • Wheels &: Tires: Chrome/Radial • Body Type: Styrene(plastic) • Needs: ESC: Electric Speed Controller or a Truck MFU • Radio Control Unit: (not included) Can be operated with a 2-channel radio but a 4-channel system is recommended for potential future options. Battery: Requires a 7.2V battery and charger Spare Parts &: Hop Up Options: • 56501 - Tractor truck electrical unit set • 56502 - R/C Semi Trailer Light Set • 56503 - Tractor truck oil shocks • 56504 - Roof spoiler • 56506 - Animal guard • 56507 - Telescopic antenna • 56511 - Tractor Truck Multi-Function Control Unit Trailers available to purchase seperately: • 40 Foot Container and Semi-Trailer • 3 Axle Reefer Semi-Trailer • Flatbed Trailer • Pole Trailer • Semi Trailer • Tanker Trailer