This is a Lionel 6-81887 O Detroit

Minimum 42 inch diameter track required

This locomotive and tender feature metal construction

UT4D is Infra-ready for use with UR90 IR Receiver Unit and UT4D is Duplex Radio-ready for use with UR92 Duplex Radio Transceiver Unit

MTH 30-2829-1 St Louis Southwestern VO 1000 Diesel Engine w/PS 2.0 # 1014 ProductID_11450432 This is a Lionel 6-81887Here is a MTH 30 2829 1 St. Louis Southwestern VO 1000 Diesel Engine With Proto Sound 2. 0. Features Include: Intricately Detailed ABS Body Colorful Paint Scheme Diecast Metal Chassis Diecast Truck Sides, Pilots and Fuel Tank Directionally Controlled Headlights Metal Wheels, Axles and Gears (2) Remotely Controlled Proto Couplersr (2) Precision Flywheel Equipped Motors Locomotive Speed Control In Scale MPH Increments (2) Cab Figures Proto Sound 2. 0