[dodar]

The 2 most common ways I know how to power them is West Coast Style: you direct drive the middle wheel then belt/chain drive the other 2. The other way is to put the motor&gearbox between the middle and back wheel and then chain/belt to the back wheel and to the middle wheel and then the middle wheel sends chain/belt to the front wheel.(this way is more for redundancy, because you can lose your back wheels and still have 4 wheels that are driven and you can lose 4 wheels and still be driven by the back 2)(when i say lose i mean that they are no longer spinning, not that they have fallen off the robot lol)