MTH 4-6-6-4 Challenger Steam Engine Set. This listing is for a new in box 4-6-6-4 Challenger steam engine locomotive set for the Union Pacific line, painted in two tone gray with silver stripes, made by MTH in O Scale! This set is an engine & tender combo, operating on 3-rail track, with hi-rail wheels (convertible). The engine is numbered 3984. Less than a decade later they were considered slow and difficult to maintain, so American Locomotive Works (ALCO) was commissioned to build what became one of the most successful fleets of articulated engines on any railroad. Forty Challengers were built in the 1930s. The pressure of wartime traffic brought an order for 65 more with bigger tenders and many minor improvements. The Challengers were steam power at its zenith! They incorporated all the technology that represented super-power steam, including roller bearings on all axles and drive rods – but none of the foolishness that characterized some of the desperate efforts to save steam in the post-war years. Engine provides realistic detail and the features listed. Die-Cast Boiler and Tender Body. 1:48 Scale Proportions. Die-Cast Metal Chassis. Authentic Paint Scheme. Metal Wheels and Axles. Constant Voltage Headlight. Die-Cast Truck Sides. Precision Pittman Flywheel Equipped Motor. Remote Controlled Proto-Coupler. Engineer and Fireman Figures. Operating Firebox Glow. Metal Handrails and Decorative Bell. Decorative Metal Whistle. Operating Marker Lights. Lighted Cab Interior. Operating Tender Back-up Light. Locomotive Speed Control. Proto-Scale 3-2 3-Rail/2-Rail Conversion Capable. Synchronized Puffing ProtoSmoker System. Proto-Sound 2.0 With The Digital Command System Featuring:- Passenger Station Proto-Effects. Unit Measures:32 x 3 1/8 x 4 1/8. Operates On O-72 Curves. Compatible with all O Gauge 3-Rail track systems, including those made by Atlas, Gargraves, Lionel, and Ross Custom Switches. The box has never been opened (except for pictures and testing)! WE DO USE STOCK PHOTOS PROVIDED BY MTH/RAILKING, BUT IT IS VERY OBVIOUS WHICH ARE STOCK AND WHICH ARE OUR OWN. THE STOCK PHOTOS PROVIDED BY MTH ARE FOR THE MODEL NUMBER FOR THE TRAIN PROVIDED, BUT IN CERTAIN YEARS THEY MADE HAVE PRODUCED ONE OR MORE TRAINS WITH MINOR DIFFERENCES UNDER THAT MODEL NUMBER. TRAINS MARKED NIB/NEW IN BOX HAVE NEVER BEEN RUN ON RAIL AND WERE NOT USED FOR DISPLAY. THEY HAVE BEEN TESTED WITHIN THE LAST 6 MONTHS, AND ANY ISSUES WILL BE NOTED. IF THERE IS A MANUAL (SOME SEALED BOXES WE OPENED DID NOT CONTAIN THEM) YOU WILL SEE IT IN THE PHOTOS. ANY ADDITIONAL PIECES WILL ALSO BE IN THE PHOTOS OR WILL HAVE BEEN INSTALLED FOR THE TESTING PROCESS. BECAUSE OF THE AGE OF SOME OF THE TRAINS, THE PROTOSMOKE MAY HAVE BEEN TOSSED BECAUSE IT WAS NO LONGER ANY GOOD. ALL MTH/RAILKING TRAINS MANUALS ARE AVAILABLE FROM THE MTH SITE. If you have any questions or would like to see more pictures, feel free to send us a message. This model steam engine set would make a great addition to your current Union Pacific setup, or a stunning starting piece to that new unique Union Pacific model line you’ve been wanting to start. This would also be a fantastic gift for someone that is in to model trains or collects Union Pacific train line memorabilia! A lot of them are new, some are used or were taken out of their box for display. We also have build kits, tracks, and all other accessories. Item comes from a smoke-free facility. The item “MTH O SCALE Premier 4-6-6-4 Challenger Steam Engine Set Union Pac 20-3168-1 NIB” is in sale since Friday, December 21, 2018. This item is in the category “Toys & Hobbies\Model Railroads & Trains\O Scale\Locomotives”. The seller is “nerdtots” and is located in Germantown, Maryland. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Colombia, Panama, Jamaica, Viet nam, Chile, Costa rica, Trinidad and tobago, Guatemala, Honduras.

• Brand: MTH
• Type: Steam Locomotive
• MPN: 20-3168-1
• Year: 2005
• Gauge: O gauge
• Grading: C-9 Factory New-Brand New
• Features: Light Function
• Power Supply: DC
• Control: Digital
• Material: Polycarbonate
• Gender: Boys & Girls
• State of Assembly: Ready to Go/Pre-built
• Color: Gray
• Modified Item: No
• Vehicle Type: Locomotive
• Train Operating Company: Union Pacific Railroad
• Country/Region of Manufacture: China