Penn Central TMCC Speeder Used frequently until the 1990's, the railroad speeder was used by maintenance crews and inspectors to get them to their destinations in a timely manner. These TMCC Speeders, offered in multiple themes and road names, add action and fun to any O-Gauge layout. Lighting TrainMaster Command Control SKU: 2135020 Dimensions: Length: 5.5" Gauge: O Gauge year: 2021 rail line: Penn Central Minimum Radius: O27 Power: Electric Manuals Find the latest manuals in our support section. Replacement Parts Buy any replacement parts in our support section. Contact Contact a service station to fix your product