This locomotive was powered by an Alco 539 turbocharged 6 cylinder diesel engine and the S4 has standard AAR type A switcher trucks

The Trainz SKU for this item is P11490283

Here is an MTH 30-5109-1 Municipal Transportation Authority Brill Semi-Convertible Trolley w/PS2

This is Bachmann 44916 HO 1-Amp DCC Decoder ( 28/128 Speed Step ) w/ 8-Pin Plug

The Trainz SKU for this item is P12313594

Kato 5-051 HO Unitrack Double Track Catenary Poles (6pcs.) DwDetails-0.45-0.35-3.80-3.80-2.80-2 This locomotive was powered byThis is Kato 5 051 HO DBL WIDE CATENARY POLE. Double wide catenary poles, 6 per package. Reproduce the real pole gate shape, consisting of steel beams and concrete columns. Molded in silver for the effect of real concrete and galvanized steel beam. Double spacing (HO) unitrack track standard 60mm, suitable for quadruple track. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Kato Model Number: 5 051