This is the electric powered, 2.4GHz radio controlled 1/10 scale, ready to run Mojave Desert Truck with Green Body from Arrma.FEATURES: Chassis: Twin vertical aluminum plate with double chassis rails and alloy front chassis plate, batteries fit under chassis-no need to remove body to change batteries Drive: Rear wheel with steel driveshafts and axles Motor: 15 turn brushed Radio: ATX300 2.4GHz 3-channel with lightweight ARX300 receiver, transmitter can be converted for left or right hand use, seven position adjustable steering wheel, digital trim, servo reverse, end-point adjustment and failsafe Electronic Speed Control: Waterproof MEGA ESC with LiPo cutoff Receiver Box: Splash and dust proof Pinion Gear: 48 pitch 18 tooth steel Spur Gear: Composite plastic 87 tooth 48 pitch Body: Trimmed and painted "Smash" polycarbonate body Transmission: Metal gear, brushless ready Slipper Clutch: Machined alloy gears, adjustable for different track conditions Suspension: Fully independent Differential: Metal gear, oil filled Shocks: Oil-filled Tires: dBoots Sand Scorpion with dBoots foam inserts Wheels: Eight spoke chrome desert truck style Camber: Adjustable front and rear, camber refers to the angle of the tops of the tires from vertical when viewed from front or behind vehicle Caster: Adjustable, caster/toe-in refers to the angle of the front suspension when viewed from the side of the car in relation to the chassis Steering: Bellcrank type with composite servo saver Warranty: Two year limited warranty beginning at date of purchaseINCLUDES: RTR Mojave Desert Truck with Green Body and 2.4GHz Radio, ESC, Steering Servo, 15T Motor, Tires, Wheels, Foam Inserts, Decals and Instruction ManualREQUIRES: AA Batteries: Four for transmitter Battery: 7.2V 6-cell stick NiMH or NiCd Battery Charger: To match selected battery Building and track equipmentSPECS: Vehicle- Length: 21.5" (540mm) Width: 11.6" (295mm) Height: 8.3" (210mm) Wheelbase: 13" (330mm) Ride Height: 1.6" (40mm) Weight: 4.2lbs (1900g) without battery Body- Length: 21.2" (540mm) Width: 10" (255mm) behind front wheels, narrowest point 11.6" (294mm) at rear wheels, widest point Height: 6.4" (163mm)COMMENTS: If wanting to upgrade to a brushless motor, the Duratrax Element 3900kV Brushless Power System (DTXC3122) is a ideal choice. The stock 87 tooth 48 pitch spur gear can be used. A 48 pitch 21T pinion gear (RRPC1021) is recommended. For replacement or to upgrade to ball bearings use: Qty. Size Location Qty. Bearing Set 4 5x10mm Fr Hubs 2 DTXC1535 4 5x13mm Rear Hubs 2 ARAC3201 2 10x15mm Idler gear 1 DTXC1595 4 5x10mm Gearbox 2 DTXC1535 jxs 02/15/12 ir/jxs UP GX 3/22/12