12 channel radio and high torque motor question

[CustomClod]

Hello all. I have a 9 channel Futaba radio that has the 2.4 ghz reciever and i need to upgrade to a 12 channel radio and the corrseponding 2,4 ghz reciever. I guess my question is whats a good set up to use? I'll be using it on my rotator truck and i dont have enough channels to build a wheel lift or the out riggers.

Also what low torque motor is a good motor to run? The truck will be heavy and need all the low speed and torque it can get.

Thanks for the help.
Scott