Dmon & removeb4flt:

Only with the 56014 full-function one. The 56005 had the self-same suspension as the RT1601, no bearings, bend-the-tab to hold the shocks on, etc. Only thing they upgrade on the chassis was the gearboxes, and the way the body mounts on it.

Nothing from the old RT1601 or 56005 chassis can be used on the 56014 ~except~ the dummy HVSS casings, the tires, and the idlers (and even they need improvement.

OH, and the chassis, with a ~bit~ of work...