LV-360 All-Wheel Drive by 2 M-Motors, 4-Speed Manual Transmission, Rear Differential Lock, Center Diff-Lock, and Steering by a Servo-Motor. Spec Model: LV-360-043 Motor: 2 M-Motors, Servo-Motor Drive System: 4WD Transmission: 4-Speed Manual Transmission < 4MT > 1st Gear: 3:5 (1.666) 2nd Gear: 1:1 (1.000) 3rd Gear: 9:5 (0.555) 4th Gear: 3:1 (0.333) Reduction Ratio: 3:7 (2.333) Differential: Rear Differential Lock and Center Diff-Lock Steering: Rack & Pinion Type Google+ ( http://gplus.to/Velunucis ) Brickshelf ( http://bit.ly/Velunucis ) YouTube ( http://youtube.com/Velunucis ) Blogger ( http://velunucis.blogspot.com )