For cars using a 4-channel radio, add one servo.
Tamiya 56505 Electric RC Big Truck Series Option & Spare Parts TROP.5 1/14 Japan
New Tamiya 56505 1/14 R/C Tractor Truck Trailer Motorized Support Legs Stand Set
Tamiya 56505 1/14 R/C Tractor Truck Trailer Motorized Support Legs Stand Set JP
Tamiya 56505 RC Parts Motorized Support Legs 1/14 Semi-trailer coupling TROP.5 N
Tamiya 56505 1/14 R/C Tractor Truck Trailer Motorized Support Legs TROP.5 New
