Lego Volvo FL12 8x8 Trial Truck

Model of Volvo FL12, version 8x8. Features all wheel drive, 4 wheel steering with different steering lock, full double wishbone independent suspension, remote controlled 4-speed gearbox with neutral gear, working winch, working fake R6 piston engine and working steering wheel. Vehicle is remotely controlled by mobile phone using Bluetooth connection. Both applications (mobile phone app and NXT app) are written by me in Java language (I used LeJOS to program NXT). Volvo has 4 motors total: