Electric Railroad TMCC kits for sale are a solid option if you are looking to add command control to older O gauge locomotives. Built under license by 3rd Rail, these upgrades let you convert conventional engines to TMCC with sound and control features that fit right into an existing setup.
If your layout already runs TMCC, these kits make it easier to bring older locomotives up to speed without replacing them. Browse model train parts to find more upgrades and components for your setup.