There are 3 M-motors and one XL-motor with two PF IR receivers. The XL-motor is used for driving, the M-motors are used for steering, tilting and raising the forks.






And here's the design model in LDD (which was used to make the brick version).
http://www.brickshel...ift/vilicar.lxf
ps: It's a bit dusty, since it was on my shelf for like half year :D



















