This is an Atlas 10001419 HO Scale Central Michigan GMD GP40-2W CN Late Version Diesel Engine with Sound & DCC #9712

This is an MTH 20-3296-1 Pennsylvania 4-6-2 K-4s Steam Locomotive with Proto-Sound 2

Here is a Lionel 6-39375 O Gauge PRR NS Heritage Hi-Cube Boxcar

Here is a Williams 47007 O Gauge Western Pacific 40' Boxcar

The Trainz SKU for this item is P12105271

MRC 1715 HO Dual-Mode Decoder - Platinum Series Universal Alco 539T Prime Mover ProductID_12146546 This is an Atlas 10001419This is an MRC 1715 HO Scale Sound & DCC Control Dual Mode Decoder Platinum Series Universal Alco 539T Prime Mover. These decoders feature MRC's versatile back EMF feature that uses enhanced feedback circuitry to instantly adjusts the motor's speed feedback. Air compressor, blower and other sounds can be manually activated on or off. The air compressor sound is synched with the RPM of the prime mover. Applying the brake sound will slow the loco down