MTH 80-3189-1 HO Scale Union Pacific 4-8-8-4 Big Boy Steam Loco & Tender #4014 DwDetails-15.50-13.50-23.00-16.00-7.50-2 They and the smoke unit

They and the smoke unit that can be installed in the locomotive will work in conventional operation and can be controlled digitally

a trio of microprocessors regulated and ran various onboard systems

100 Ton plastic trucks

The Trainz SKU for this item is P12146350

making them truly universal locomotives useful for both mainline runs and road switching

MTH 80-3189-1 HO Scale Union Pacific 4-8-8-4 Big Boy Steam Loco & Tender #4014 DwDetails-15.50-13.50-23.00-16.00-7.50-2 They and the smoke unitHere is a MTH 80 3189 1 HO Scale Union Pacific 4 8 8 4 Big Boy Steam Locomotive and Tender #4014. Features Include: Diecast Boiler and Tender Body Diecast Metal Chassis Authentic Paint Scheme & Cab Numbers RP 25 Metal Wheels Mounted On Metal Axles Operating Lighted Marker Lights Constant Voltage Headlight Prototypical Rule 17 Lighting Detailed Truck Sides Detailed Cab Interior Powerful Balanced 12 Volt 5 Pole Precision Skewed Flywheel Equipped Motor