Jun 20, 2007 · It combines detail, performance, and a solid sound package with a stealthy tether that makes conventional tethers look old fashioned. O GAUGE PREMIER LINE 4-6-6-4 CHALLENGER BY MTH. Price: $1,399.95 (no. 20-3241-1) Features: O-72 operation, die-cast metal construction, can-style motor, ProtoSound 2.0, coil coupler on tender. Jul 17, 2023 · Find many great new & used options and get the best deals for AHM Challenger -4-6-6-4 -5113-05- Rio Grande -Minty Box at the best online prices at eBay! Free shipping for many products! In Whyte notation, a 4-6-6-4 is a railroad steam locomotive that has four leading wheels followed by six coupled driving wheels, a second set of six driving wheels and four trailing wheels. 4-6-6-4's are commonly known as Challengers. Union Pacific Challenger No. 3985 is an example of a 4-6-6-4 locomotive.Union Pacific LEGACY 4-6-6-4 Challenger #3977 (GRAY) Challengers for the first time in American Flyer S Gauge. With the advent of diminished locomotive production due to World War II demands and restrictions, many western railroads were hungry for top performing and even more powerful steamers.The answer was the 4-6-6-4 Challenger, devised by Alco’s engineers and UP Chief Mechanical Officer Otto Jabelman and featuring an unusually high power-to-weight ratio thanks to its large 132-square-foot grate area, boiler pressure of 280 psi, and relatively small 21 x 32-inch cylinders.AHM Challenger 4-6-6-4. AHM’s Challenger 4-6-6-4 model joins the product line in the spring of 1977. A 1980 listing shows this model with a $349.98 suggested retail price. This big steam locomotive like many in AHM’s catalog was built in Italy by Rivarossi. You’ll find a review of the model in the June 1977 issue of Railroad Modeler magazine.In Whyte notation, a 4-6-6-4 is a railroad steam locomotive that has four leading wheels followed by six coupled driving wheels, a second set of six driving wheels and four trailing wheels. 4-6-6-4's are commonly known as Challengers.Athearn N Challenger 4-6-6-4 For N scale fans of big articulated steam locomotives, what's more exciting than a 1:160-proportion Challenger 4-6-6-4? How about one equipped with realistic onboard sound. The Challenger is the first DCC-and-sound-equipped N scale steamer in Athearn's product line.The two ALCO-built 4-6-6-4s received in 1944 were also oil burners and were designated Class Z-8 and given road numbers 910 and 911. These locomotives had (4) 23 x 32 cylinders, 70" drivers, a 260 psi boiler pressure, a tractive effort of 107,000 lbs and weighed 639,000 pounds. The eight SP&S "Challengers" were scrapped in 1960.This video contains products that were purchased, provided or discounted. In most cases, products are a mix of discounted and otherwise purchased. In addit...Worlds Largest Operating Steam Locomotive, Union Pacific #3985 almost a million pound Challenger class 4-6-6-4 streches her legs at speeds near 70 mph high b...Reviewing my recently purchased AHM Rivarossi - ALCO Schenectady 4-6-6-4 "Challenger" road number 1506 with the Delaware & Hudson.The model is a AHM Rivaros...451 N Nova Road, Daytona Beach, FL. 2021 Dodge Challenger R/T Scat Pack Widebody. Exterior Color: Triple Nickel Clear Coat. Interior Color: Black. Engine: 6.4L V8 Gas (485hp) Transmission:the tender drawbar pin. Now join the 6-pin connectors so they are properly seated. If the ground spring on the drawbar does not have good contact with the tender drawbar pin, the engine will have erratic or no operation. Premier 4-6-6-4 Challenger Steam Engine 6Union Pacific LionMaster TMCC 4-6-6-4 Challenger #3983. $ 799.95. Find A Dealer. Imagine the world’s largest and most famous steam locomotives running on your layout of O-31 radius track. A fantasy?They ordered eight single-expansion 4-6-6-4s from the American Locomotive Company and took delivery of them in 1942 and 1943. They were similar to the D&H Class J "Challengers" built in 1940. These locomotives were designated Class E-1 and were assigned road numbers 650 though 657. They had (4) 22 x 32 cylinders, 69" drivers, a boiler pressure ...Athearn® Genesis® 4-6-6-4 "Original" Challenger. ... We are proud to announce these unique locomotives in plastic to join into our line of Genesis 4-6-6-4 steam ...8 4-6-6-4 Challenger Steam Locomotive Using DCS With DC Power M.T.H.’s revolutionary Digital Command System, or DCS, allows users to control their RailKing One-Gauge locomotives in a command control environment. User’s can remotely access hundreds of features inside each RailKing One-Gauge locomotive with the wireless remote control.Union Pacific LEGACY 4-6-6-4 Challenger #3977 (GRAY) Challengers for the first time in American Flyer S Gauge. With the advent of diminished locomotive production due to World War II demands and restrictions, many western railroads were hungry for top performing and even more powerful steamers.Union Pacific LionMaster TMCC 4-6-6-4 Challenger #3983. $ 799.95. Find A Dealer. Imagine the world’s largest and most famous steam locomotives running on your layout of O-31 radius track. A fantasy?The first Challengers were conceived in 1936 as fast freight engines to replace the Union Pacific's fleet of three-cylinder 4-12-2 locomotives. With an extra center cylinder for added power and a top speed of 45 mph, the 4-12-2s had been successful freight engines when built in 1926. Premier 4-6-6-4 Challenger Steam Locomotive Compatibility This engine will operate on any traditional O-72 Gauge track system, including M.T.H.’s RealTrax® or ScaleTrax™ or traditional tubular track. It is also compatible with most standard AC transformers. (See pag e 23 for a complete list of compatible transformers and wiring instructions.)The introduction of “super-power” steam technology in the 1920’s, however, enabled builders to create freight locomotives that combined speed and power. Perhaps the zenith of the fast freight engine was the 4-6-6-4 Challenger, first conceived by the Union Pacific Railroad and American Locomotive Works in the mid-1930s. Rio Grande LionMaster TMCC 4-6-6-4 Challenger #3800. Imagine the world’s largest and most famous steam locomotives running on your layout of O-31 radius track. A fantasy? Not anymore. Introducing the new Lionmaster line of O-31 locomotives. This concept will change the way you view O-Gauge trains.Premier 4-6-6-4 Challenger Steam Locomotive Compatibility This engine will operate on any traditional O-72 Gauge track system, including M.T.H.’s RealTrax® or ScaleTrax™ or traditional tubular track. It is also compatible with most standard AC transformers. (See pag e 23 for a complete list of compatible transformers and wiring instructions.) N SCALE UNION PACIFIC CHALLENGER 4-6-6-4 BRASS MODEL KEY IMPORTS Cab Forward. Pre-Owned. $1,399.99. or Best Offer. +$16.00 shipping. Free returns. Sponsored.Premier 4-6-6-4 Challenger Steam Locomotive Compatibility This engine will operate on any traditional O-72 Gauge track system, including M.T.H.’s RealTrax® or ScaleTrax™ or traditional tubular track. It is also compatible with most standard AC transformers. (See pag e 23 for a complete list of compatible transformers and wiring instructions.) Broadway Limited Imports -- 4-6-6-4 Challenger Late, Smoke Lifters, Oil Tender, Sound, DCC, Smoke - Paragon 3 -- Union Pacific 3985 (Excursion Scheme, black, graphite) -- This 4-6-6-4 Challenger features full Paragon3 sound and DCC for realistic sound andThese pictures, captioned the last challenger were taken June 7 1953. They show engine 1211 leading yet another westbound train out of Cumberland and up Sandpatch with mid-train helper Decapod 1130 and shoving on the rear is 4-8-4 number 1404. Only 1210 and 1211 remained on the roster that June. When talking to WM men there seemed to be only 2 ... In order to mate the connectors of the drawbar and the tender, place the engine and the tender on the track. Position the tender over the drawbar connector and insert the drawbar pin on the swivel connector into the hole in the drawbar. M.T.H. HO 4-6-6-4 Challenger Steam Engine... Page 1 4-6-6-4 Challenger Steam Locomotive OPERATOR’S MANUAL Compatibility This locomotive is capable of operating on AC or DC output power supplies (See page 28 for a complete list of compatible transformers and wiring instructions.) and indoors or outdoors.Reviewing my recently purchased AHM Rivarossi - ALCO Schenectady 4-6-6-4 "Challenger" road number 1506 with the Delaware & Hudson.The model is a AHM Rivaros...Union Pacific LEGACY LionMaster Challenger 4-6-6-4 Steam Locomotive #3977 (Greyhound) $ 999.99. Find A Dealer. LionMaster Challengers: The power and excitement of these great locomotives comes with all the features of our scale LEGACY models but in a size runs on O31 curves! In Whyte notation, a 4-6-6-4 is a railroad steam locomotive that has four leading wheels followed by six coupled driving wheels, a second set of six driving wheels and four trailing wheels. 4-6-6-4's are commonly known as Challengers.May 1, 2006 · AMONG THE LATEST in Lionel’s LionMaster line of traditional-sized locomotives is an exceptionally sharp rendering of a Union Pacific-style 4-6-6-4 Challenger, painted and lettered for the Western Maryland Railroad. Although in real life that Appalachian coal hauler used a different style of 4-6-6-4 locomotive, Lionel’s model will probably ... Product Spotlight - HO Challenger. M.T.H. Electric Trains has begun shipping its 4-6-6-4 Challenger die-cast HO steam engine. A total of six paint schemes are being offered in standard DC 2- Rail and AC/DC 3-Rail configurations. Each model comes equipped with the most advanced sound and operating system ever installed in HO scale. Sep 18, 2017 · The new Trix 4-6-6-4 represents Union Pacific’s final group of Challengers built between 1942 and 1944. For its initial release, Trix’s HO model features an oil tender, and the locomotive is equipped with “wind wings” that aided the prototype in deflecting the exhaust smoke up and away from the cab. Jan 16, 2017 · Like UP’s earlier 4-6-6-4 Challenger, the Big Boy was articulated to help it negotiate curves and turnouts. On the prototype, the front engine pivoted under the smokebox. On the model, both engines pivot, which is necessary to handle 18″ radius curves, but it creates unrealistic cab overhang. Bowser - HO - Steam Loco Kits Union Pacific Challenger 4-6-6-4. History: The 4-6-6-4 class, original Challenger was designed by Otto Jabelmann of the Union Pacific and first built by Alco for UP. Approximately 230 Challengers were built nearly alike, differing only in their steam pressure, cylinders, and boilers.This BLI model is of the Class CSA-2 Challenger, commonly called an “early challenger”. Our models have a post-1947 appearance, after the locomotives were renumbered from 3900 to 3800 series. We are offering three locomotive variations: four road numbers with the as-delivered front engine, four road numbers with a rebuilt front engine, and ... Sep 18, 2017 · The new Trix 4-6-6-4 represents Union Pacific’s final group of Challengers built between 1942 and 1944. For its initial release, Trix’s HO model features an oil tender, and the locomotive is equipped with “wind wings” that aided the prototype in deflecting the exhaust smoke up and away from the cab. Get the best deals for lionel 4-6-6-4 challenger at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items! The Great Northern Railway bought two 4-6-6-4s from its subsidiary, the Spokane, Portland & Seattle Railroad These two ALCO-built, former SP&S road numbers 903 and 904, were designated Class Z-6 and were given road numbers 4000 and 4001 on the Great Northern. They had four 23 x 32 cylinders, 69" drivers, a boiler pressure of 250 psi, a tractive ...Union Pacific 3985 is a four-cylinder simple articulated 4-6-6-4 "Challenger"-type steam locomotive built in July 1943 by the American Locomotive Company (ALCO) of Schenectady, New York, for the Union Pacific Railroad. No. 3985 is one of only two Challengers still in existence and the only one to have operated in excursion service .Part of the April 2016 New Announcements are the CSA-1 and CSA-2 "Original" or "Light" Challengers. These were built in 1936 and 1937 for the Union Pacific Railroad and posses some key spotting features. Union Pacific had 10 two-tone gray 4-6-6-4 Challengers. These 10 locomotives were part of a group of 13 oil-burning 4-6-6-4 Challengers that UP re-assigned beginning in December 1946 from Southern California on UP's South-Central District, to the Northwestern District. The new service was between Seattle and Portland, and along the Columbia ...Jan 9, 2007 · Worlds Largest Operating Steam Locomotive, Union Pacific #3985 almost a million pound Challenger class 4-6-6-4 streches her legs at speeds near 70 mph high b... Worlds Largest Operating Steam Locomotive, Union Pacific #3985 almost a million pound Challenger class 4-6-6-4 streches her legs at speeds near 70 mph high b...Athearn Genesis Rio Grande 4-6-6-4 Challenger with factory MRC sound pulling a freight through Minturn, CO on my Tennessee Pass line layout. The new Trix 4-6-6-4 represents Union Pacific’s final group of Challengers built between 1942 and 1944. For its initial release, Trix’s HO model features an oil tender, and the locomotive is equipped with “wind wings” that aided the prototype in deflecting the exhaust smoke up and away from the cab.Union Pacific LEGACY LionMaster Challenger 4-6-6-4 Steam Locomotive #3977 (Greyhound) $ 999.99. Find A Dealer. LionMaster Challengers: The power and excitement of these great locomotives comes with all the features of our scale LEGACY models but in a size runs on O31 curves!The name "Challenger" was given to steam locomotives with a 4-6-6-4 wheel arrangement. This means that they have four wheels in the leading pilot truck, which helps guide the locomotive into curves, two sets of six driving wheels, and finally four trailing wheels, which support the rear of the engine and its massive firebox. Worlds Largest Operating Steam Locomotive, Union Pacific #3985 almost a million pound Challenger class 4-6-6-4 streches her legs at speeds near 70 mph high b...The name Challenger was given to steam locomotives with a 4-6-6-4 wheel arrangement. This means that they have four wheels in the leading "pilot" truck, which helps guide the locomotive into curves; two sets of six "driving" wheels, and finally, four "trailing" wheels, which support the rear of the engine and its massive firebox. Union Pacific LEGACY LionMaster Challenger 4-6-6-4 Steam Locomotive #3977 (Greyhound) $ 999.99. Find A Dealer. LionMaster Challengers: The power and excitement of these great locomotives comes with all the features of our scale LEGACY models but in a size runs on O31 curves!See full list on american-rails.com Broadway Limited Imports -- 4-6-6-4 Challenger Late, Smoke Lifters, Oil Tender, Sound, DCC, Smoke - Paragon 3 -- Union Pacific 3985 (Excursion Scheme, black, graphite) -- This 4-6-6-4 Challenger features full Paragon3 sound and DCC for realistic sound andThe 4-6-6-4 was one of the most technologically advanced of its kind with advancements that allowed for both high horsepower and efficient operations. Sadly, however, like the Yellowstones the Challengers had an extremely short lifespan. Upon delivery of the UP’s first Challenger during the mid-1930s all were scrapped in short order ... AMONG THE LATEST in Lionel’s LionMaster line of traditional-sized locomotives is an exceptionally sharp rendering of a Union Pacific-style 4-6-6-4 Challenger, painted and lettered for the Western Maryland Railroad. Although in real life that Appalachian coal hauler used a different style of 4-6-6-4 locomotive, Lionel’s model will probably ...They ordered eight single-expansion 4-6-6-4s from the American Locomotive Company and took delivery of them in 1942 and 1943. They were similar to the D&H Class J "Challengers" built in 1940. These locomotives were designated Class E-1 and were assigned road numbers 650 though 657. They had (4) 22 x 32 cylinders, 69" drivers, a boiler pressure ... Number of 4-6-6-4 "Challenger" Type Locomotives Built by Year (by Richard Duley) Railroads that used 4-6-6-4 "Challenger" Locomotives in the USA (data provided by Steve Llanso of Sweat House Media) Carolina, Clinchfield & Ohio Delaware & Hudson Denver & Rio Grande Western Great Northern Northern Pacific Spokane, Portland & Seattle Union PacificA very special locomotive today - the behemoth of a steam engine, the "Challenger" type. As it happens, my Grandfather was born and grew up in America, in Up...Jul 17, 2023 · Find many great new & used options and get the best deals for AHM Challenger -4-6-6-4 -5113-05- Rio Grande -Minty Box at the best online prices at eBay! Free shipping for many products! The 4-6-0 wheel arrangement was a natural progression from the 4-4-0 (American type) when railroads desired a locomotive with more power. The first example was built in 1847 by the Norris Brothers for the Philadelphia and Reading Railroad. The early 4-6-0s were quite similar to the 4-4-0s of the time except they were a bit larger.In Whyte notation, a 4-6-6-4 is a railroad steam locomotive that has four leading wheels followed by six coupled driving wheels, a second set of six driving wheels and four trailing wheels. 4-6-6-4's are commonly known as Challengers. Union Pacific Challenger No. 3985 is an example of a 4-6-6-4 locomotive.The 4-6-6-4 class, original Challenger was designed by Otto Jabelmann of the Union Pacific and first built by Alco for UP. Approximately 230 Challengers were built nearly alike, differing only in their steam pressure, cylinders, and boilers.HO Discontinued Union Pacific Challenger 4-6-6-4; We have discontinued production of these kits. Most repair parts are available. When we exhaust these repair parts we do not plan to restock. Instruction Manual Reference Manual Pages |6.4 HEMI Common Problems Summary. The 6.4 HEMI first began its life as a crate engine under the name 392 HEMI. In 2011, FCA began using the 392 Apache in production models beginning with the Dodge Challenger SRT8. Since then the engine found its way into many flagship performance models and trucks.Page 1 4-6-6-4 Challenger Steam Locomotive OPERATOR’S MANUAL Compatibility This locomotive is capable of operating on AC or DC output power supplies (See page 28 for a complete list of compatible transformers and wiring instructions.) and indoors or outdoors.Apr 20, 2007 · The Challenger is the first DCC-and-sound-equipped N scale steamer in Athearn’s product line. The model’s dual-mode decoder, manufactured by Model Rectifier Corp., provides controllable sound effects on both Digital Command Control and DC layouts. A famous prototype. The Union Pacific RR introduced the 4-6-6-4 Challenger type in 1936. This video contains products that were purchased, provided or discounted. In most cases, products are a mix of discounted and otherwise purchased. In addit...Athearn Genesis Rio Grande 4-6-6-4 Challenger with factory MRC sound pulling a freight through Minturn, CO on my Tennessee Pass line layout.Athearn Genesis Rio Grande 4-6-6-4 Challenger with factory MRC sound pulling a freight through Minturn, CO on my Tennessee Pass line layout. 4-6-6-4 "Challenger" Steam Locomotives A-R.com Blog Last revised: May 11, 2023 The Challenger Type, an articulated design (meaning that either one, or both sets of driving wheels pivots to better and more safely negotiate curves), was one of the most successful large steam locomotive designs ever developed.The 4-6-6-4 Challenger first appeared on UP rails in 1936, and it was clear from the beginning that it could handle tremendous tonnage at high speeds. Although the Challenger was designed for fast freight work, the UP also used it for passenger service; the engine proved it could easily handle any task it was given.Broadway # bro4811. Add To Cart. Wish List. This is the HO Scale 4-6-6-4 CSA-2 Union Pacific Unlettered Post 1947 DCC with Paragon4 model train Steam locomotive from Broadway Limited Imports. (UP Early Challenger). Trust 1000's of Reviews of Hobbylinc. Website security verified by GoDaddy. Industry Leading Loyalty Program. Mar 5, 2012 · The last two Flyer steamers I tested in CTT were the plastic 0-6-0T and the Union Pacific 4-8-4 in the Feb and Sept 2007 issues. After running the new Challenger, I’d say it is time to close the door on old Flyer and embrace a new era of gear that isn’t stuck in 1962 regarding design or performance. The result was a group of 65 4-6-6-4 Challenger built in three separate groups during World War II. ROAD NUMBER SPECIFIC FEATURES: #3985 Modern Excursion version Oil Burner Era 1980's - 2000's #3933 Coal Burner Dual smoke stack Tender bunker coal extensions Era 1940's - 1959 #3967 Coal Burner Dual smoke stack Smoke Lifters Era 1940's - 1959 ...4-6-6-4 "Challenger" Steam Locomotives A-R.com Blog Last revised: May 11, 2023 The Challenger Type, an articulated design (meaning that either one, or both sets of driving wheels pivots to better and more safely negotiate curves), was one of the most successful large steam locomotive designs ever developed.The name "Challenger" was given to steam locomotives with a 4-6-6-4 wheel arrangement. This means that they have four wheels in the leading pilot truck, which helps guide the locomotive into curves, two sets of six driving wheels, and finally four trailing wheels, which support the rear of the engine and its massive firebox.Reviewing my recently purchased AHM Rivarossi - ALCO Schenectady 4-6-6-4 "Challenger" road number 1506 with the Delaware & Hudson.The model is a AHM Rivaros...The 4-6-6-4 Challenger first appeared on UP rails in 1936, and it was clear from the beginning that it could handle tremendous tonnage at high speeds. Although the Challenger was designed for fast freight work, the UP also used it for passenger service; the engine proved it could easily handle any task it was given.Page 1 4-6-6-4 Challenger Steam Locomotive OPERATOR’S MANUAL Compatibility This locomotive is capable of operating on AC or DC output power supplies (See page 28 for a complete list of compatible transformers and wiring instructions.) and indoors or outdoors.Union Pacific Challenger No. 3976 was one of six coal-burning 4-6-6-4s later converted to oil and assigned to passenger train service. In 1946, the engine received smoke deflectors and a two-tone gray paint scheme with yellow striping. Union Pacific Alco delivered thirteen engines in 1936.This video contains products that were purchased, provided or discounted. In most cases, products are a mix of discounted and otherwise purchased. In addit...This is a Broadway Limited 5821 HO Scale Union Pacific Challenger 4-6-6-4 Excursion Locomotive Oil Tender Black & Graphite Steam Locomotive Paragon3 Sound/DC/DCC Smoke #3985. Industry-Leading Features: NEW Paragon3 Sound & Operation System FEATURING ROLLING THUNDERTM with Authentic Sounds and Prototypical Operation in both DC and DCC environments.
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Find many great new & used options and get the best deals for AHM Challenger -4-6-6-4 -5113-05- Rio Grande -Minty Box at the best online prices at eBay! Free shipping for many products!The 4-6-6-4 Challenger first appeared on UP rails in 1936, and it was clear from the beginning that it could handle tremendous tonnage at high speeds. Although the Challenger was designed for fast freight work, the UP also used it for passenger service; the engine proved it could easily handle any task it was given.Lionel Union Pacific 4-6-6-4 Challenger equipped with QSI Quantum DCC Sound and most recent software/upgrade chip.Features metal die cast frame & superstruct...Find many great new & used options and get the best deals for Athearn Genesis HO Union Pacific Challenger 4-6-6-4 3982 Retail at the best online prices at eBay! Free shipping for many products!O GAUGE PREMIER LINE 4-6-6-4 CHALLENGER BY MTH Price: Features: O-72 operation, die-cast metal construction, can-style motor, ProtoSound 2.0, coil coupler on tender. Pros: Visually stunning, clever new wireless drawbar, superb performance. Cons: Some of the piping and details can be bent by clumsy fingers. Made in the Republic of Korea for MTH ...AHM Challenger 4-6-6-4. AHM’s Challenger 4-6-6-4 model joins the product line in the spring of 1977. A 1980 listing shows this model with a $349.98 suggested retail price. This big steam locomotive like many in AHM’s catalog was built in Italy by Rivarossi. You’ll find a review of the model in the June 1977 issue of Railroad Modeler magazine.In order to mate the connectors of the drawbar and the tender, place the engine and the tender on the track. Position the tender over the drawbar connector and insert the drawbar pin on the swivel connector into the hole in the drawbar. M.T.H. HO 4-6-6-4 Challenger Steam Engine... The Union Pacific Railroad took delivery of the very first locomotive with the 4-6-6-4 wheel arrangement in 1936 when it received 15 of them from the American Locomotive Company. These newly named "Challengers" were designated Class CSA-1. In 1937, another 25 ALCO-built "Challengers" were added to the roster. This group, designated Class CSA-2 ... The Denver & Rio Grande Western Railroad bought ten 4-6-6-4s from the Baldwin Locomotive Works in 1937 to speed up its freight trains. These locomotives were designated Class L-105 and were given road numbers 3700 through 3709. They had four 23 x 32 cylinders, 70" drivers, a boiler pressure of 280 psi, a tractive effort of 105,000 lbs and ...The answer was the 4-6-6-4 Challenger, devised by Alco’s engineers and UP Chief Mechanical Officer Otto Jabelman and featuring an unusually high power-to-weight ratio thanks to its large 132-square-foot grate area, boiler pressure of 280 psi, and relatively small 21 x 32-inch cylinders.The 4-6-6-4 was one of the most technologically advanced of its kind with advancements that allowed for both high horsepower and efficient operations. Sadly, however, like the Yellowstones the Challengers had an extremely short lifespan. Upon delivery of the UP’s first Challenger during the mid-1930s all were scrapped in short order ... The Union Pacific introduced the 4-6-6-4 in 1936 and ended up owning the largest and most famous fleet of Challengers. Designed as freight haulers, they were regularly used in high-speed passenger service. The line’s fleet operated well into the diesel era, with the last Challenger being dropped from the roster in 1962.Athearn Genesis Rio Grande 4-6-6-4 Challenger with factory MRC sound pulling a freight through Minturn, CO on my Tennessee Pass line layout. Challenger marks Lionel’s return to HO. “Challenger” is one of the more dramatic names given to any steam locomotive wheel arrangement, and the new HO scale 4-6-6-4 from Lionel lives up to that moniker. It’s a well-executed model of a well-known group of locomotives, made more famous because one of them still steams.This HO scale 4-6-6-4 Challenger is a top-notch model and easily the best of Athearn’s Genesis-series steam locomotives. It looks like its famous prototype, and its fine performance is enhanced by sound effects whether running on conventional DC or Digital Command Control (DCC). The story of the Union Pacific Challengers has been told many times.N SCALE UNION PACIFIC CHALLENGER 4-6-6-4 BRASS MODEL KEY IMPORTS Cab Forward. Pre-Owned. $1,399.99. or Best Offer. +$16.00 shipping. Free returns. Sponsored.Union Pacific Railroad No. 3985, also known as 'The Challenger', is a 4664-4 class 4-6-6-4 "Challenger" type articulated steam locomotive built by the American Locomotive Company (ALCO) in July 1943. It was previously owned and operated by the Union Pacific Railroad (UP) in excursion service as part of their heritage fleet, based in Cheyenne, WY, from April 1981 until being taken out of ... We offer you choices for building your own 7 1⁄4 - 7 1⁄2 inch gauge live steam model of the Union Pacific 4-6-6-4 Challenger: Scaled down from original Union Pacific railroad drawings: Ensures high model accuracy. Unique among models: Largest, most powerful and only articulated model on the market. Exceptionally high quality product: Fully ...The answer was the 4-6-6-4 Challenger, devised by Alco’s engineers and UP Chief Mechanical Officer Otto Jabelman and featuring an unusually high power-to-weight ratio thanks to its large 132-square-foot grate area, boiler pressure of 280 psi, and relatively small 21 x 32-inch cylinders.8 4-6-6-4 Challenger Steam Locomotive Using DCS With DC Power M.T.H.’s revolutionary Digital Command System, or DCS, allows users to control their RailKing One-Gauge locomotives in a command control environment. User’s can remotely access hundreds of features inside each RailKing One-Gauge locomotive with the wireless remote control..