I only have a conventional set up currently. So, ran it with Lionel transformer and it great. Could not test TMCC.

Barely run.

Massive size and massive horsepower define these modern diesel giants. Each Lionel model includes scale details such as readable warning stencils and safety-treaded walkways. Ready for a long Standard O freight consist, these TMCC-equipped diesels are powered by dual Odyssey System controlled motors.

FEATURES:

Scale proportions

Separately applied detail parts

Super-detailed die-cast metal trucks

Authentic paint schemes

Perfectly matched to Lionel Standard O Rolling Stock

TrainMaster Command Control equipped—able to run in Command Control Mode or in Conventional Transformer Control Mode

RailSounds sound system with CrewTalk communication and TowerCom announcements

Odyssey System for speed control with ON/OFF switch

Directional lighting including LED headlights and operating marker lights

Two ElectroCouplers

Dual powerful maintenance-free motors with momentum flywheels

Magne-Traction track gripping system

Traction tires

Fan-driven smoke unit

Die-cast metal pilots, trucks and fuel tank

Metal frame

Separately applied metal details

Lighted number boards

Lighted cab interior

Engineer figures