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.Jun 17, 2021 · 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 ... 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.) 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.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 ...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 ...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 and 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 ...Oct 9, 2013 · sc e2 bi polar sc usra 0-6-0 rk fef northern rk hudson hiawatha sc nh l5 4-6-4 rk aero train rk usra y6b sc wm challenger rk ese sc c&nw e-4 sc gp-30 sc russian dacapod sc z-6 challenger rk wabash hudson sc orient express sc gp-9 sc gg1 sc class a rk disney engine in vt sc ese hudson sc e-8 rk usra mallot sc berkshire rk p-47 baldwin sc ... 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.Steam Locomotive Scale. Broadway Limited HO Scale UP Challenger Excursion #3985 Sound/DC/DCC Smoke 5821. broadway July 18, 2019 admin July 18, 2019 adminPremier 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 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.JLC Clinchfield TMCC 4-6-6-4 Challenger #673 (TMCC) Back by popular demand, the Joshua Lionel Cowen Series Challenger is sure to thrill and amaze you. Built with more detail than anything previously attempted in O-Gauge die-cast, this locomotive is the piece de resistance of any collection. 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 6The 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. N Scale Key Imports Brass 4-6-6-4 Challenger #3985 Union Pacific UP Bob Gilmore! Opens in a new window or tab. Pre-Owned. $799.99. or Best Offer +$17.10 shipping These 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 ...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.The Athearn N Scale 4-6-6-4 Challenger, is the culmination of the art of design and tooling, integrating the latest innovations in electronic technology. The N Scale Challenger model has been developed from the outset as the finest three dimensional operating miniature representation of the prototype available. The Western Pacific Railroad purchased seven 4-6-6-4s from the American Locomotive Company in 1938. These "Challengers" were designated Class M-100 and were assigned road numbers 401 through 407. They had four 22" x 32" cylinders, 70" drivers, a 265 psi boiler pressure, exerted 99,600 lbs of tractive effort and weighed 590,000 pounds.These 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 ...Introducing Broadway Limited Imports' newest addition to our line of N Scale steam locomotives, the Union Pacific Late Challenger.Between 1936 and 1944, the American Locomotive Company (ALCO) constructed a total of 105 Challengers in five classes for the 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 class Z-8 Challengers had a starting tractive effort of 107,000 pounds and were the most powerful 4-6-6-4s ever built. During their careers, the class Z-8 Challengers sped freight as well as a passenger and troop trains along the NP main. All were retired by 1957. The N scale model’s plastic boiler features well-defined molded detail.Sep 21, 2022 · The third option we have for 6.4 HEMI superchargers is the Whipple SRT8 6.4L Stage II Supercharger Kit W17AX 2.9L. The Whipple puts out 8 PSI at 1,600 CFM, which is good for increases of 180 whp and 180 wtq. The Whipple 6.4 HEMI supercharger kit is one of the most popular and well reviewed in the industry. 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.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.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. 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 ...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 Pacific This video contains products that were purchased, provided or discounted. In most cases, products are a mix of discounted and otherwise purchased. In addit...The class Z-8 Challengers had a starting tractive effort of 107,000 pounds and were the most powerful 4-6-6-4s ever built. During their careers, the class Z-8 Challengers sped freight as well as a passenger and troop trains along the NP main. All were retired by 1957. The N scale model’s plastic boiler features well-defined molded detail.The Athearn N Scale 4-6-6-4 Challenger, is the culmination of the art of design and tooling, integrating the latest innovations in electronic technology. The N Scale Challenger model has been developed from the outset as the finest three dimensional operating miniature representation of the prototype available.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. 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 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 ... While a large number of Challengers found service out West, 4-6-6-4s had colorful careers in the East, too. In 1942, eight Challengers were initially ordered by Clinchfield, and after the war they received four additional units. The Clinchfield Railroad also purchased six final Challenger locomotives in 1947 that the D&RGW had rejected a few ... 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. 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. 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 andMay 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 ... 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 ... 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 ... The Western Pacific Railroad purchased seven 4-6-6-4s from the American Locomotive Company in 1938. These "Challengers" were designated Class M-100 and were assigned road numbers 401 through 407. They had four 22" x 32" cylinders, 70" drivers, a 265 psi boiler pressure, exerted 99,600 lbs of tractive effort and weighed 590,000 pounds.Introducing Broadway Limited Imports' newest addition to our line of N Scale steam locomotives, the Union Pacific Late Challenger.Between 1936 and 1944, the American Locomotive Company (ALCO) constructed a total of 105 Challengers in five classes for the Lionel 6-58000 UP 4-6-6-4 Challenger Locomotive #3985 In the mid to late 1900's Lionel made two, largely unsuccessful, forays into HO Scale with products subcontracted from other manufacturers. Their third, and last foray, in 2004, would be decidedly different. The seven 2004 offerings included 6 heavy die-cast, super highly detailed 4-6-6-4 Challenger locomotives in three road names and the ... 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.The Athearn N Scale 4-6-6-4 Challenger, is the culmination of the art of design and tooling, integrating the latest innovations in electronic technology. The N Scale Challenger model has been developed from the outset as the finest three dimensional operating miniature representation of the prototype available. 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 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.Mar 20, 2018 · (it is a drawing of one of the Challenger bed). Unfortunately nobody has given me an exact answer what type of frame the early 4-6-6-4 Challenger has. Some peoples said that the first models have bar frame, other said that all models of Challeger have locomotive bed (i.e. they all have cast steel bed). 4-6-6-4 Challenger. Award-winning rewards program. Great Customer Service. Hassle-Free Returns.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 ...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. Lionel 6-58000 UP 4-6-6-4 Challenger Locomotive #3985 In the mid to late 1900's Lionel made two, largely unsuccessful, forays into HO Scale with products subcontracted from other manufacturers. Their third, and last foray, in 2004, would be decidedly different. The seven 2004 offerings included 6 heavy die-cast, super highly detailed 4-6-6-4 Challenger locomotives in three road names and the ... All of the tenders were recycled from other (earlier) models - Long Distance Coal from the 4-6-2 Heavy Pacific, Vanderbilt from the 2-8-2 Heavy Mikado, and Centipede from the 4-8-8-4 Big Boy. The chassis is all-metal and quite hefty. As mentioned previously, the motor is an open-sided Mabuchi (3-pole / skew-wound). The Athearn N Scale 4-6-6-4 Challenger, is the culmination of the art of design and tooling, integrating the latest innovations in electronic technology. The N Scale Challenger model has been developed from the outset as the finest three dimensional operating miniature representation of the prototype available.Introducing Broadway Limited Imports' newest addition to our line of N Scale steam locomotives, the Union Pacific Late Challenger.Between 1936 and 1944, the American Locomotive Company (ALCO) constructed a total of 105 Challengers in five classes for the 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.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.) See full list on american-rails.com Sep 1, 2023 · The resulting machine was a winner. UP tested the new 4-6-6-4 engine on a section of track in Utah over the Wahsatch Range. The engineer commented that would be a challenge for any locomotive, and the name stuck. UP officially called the machine the Challenger. A total of 252 Challengers were built between 1935 and 1943. UP received the most, 105. 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.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! 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 Pacific 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 ...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. 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.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 6The 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.While a large number of Challengers found service out West, 4-6-6-4s had colorful careers in the East, too. In 1942, eight Challengers were initially ordered by Clinchfield, and after the war they received four additional units. The Clinchfield Railroad also purchased six final Challenger locomotives in 1947 that the D&RGW had rejected a few ...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. 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.)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.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.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.6.4L HEMI Info. Chrysler introduced a production version of the crate 392 Hemi engine in the 2011 Dodge Challenger SRT8. It was a 6.4-liter V8 naturally aspirated engine, based on the architecture of the 5.7L Hemi V8. In 2014, a revised version of the 6.4L Hemi SRT became available for the Ram 2500/3500 trucks and Ram 3500, 4500, and 5500 Cab ... 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. 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 ...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?Unclebob said: I've had 4 scat packs and 2 5.7's. (I get bored lol) The 5.7 is arguably a better motor imo, although the 6.4 is faster. You really would be happy with either, as the 5.7 isn't a slouch. (The 5.7 stock exhaust sounds better too) If my choice was between a stripped down 5.7 vs. a stripped 6.4, I'd go 6.4.
The mighty Union Pacific Challenger 4-6-6-4 is now available for Train Simulator, featuring four exciting and challenging scenarios specially created for the Sherman Hill route. The stiff gradients of the Wasatch Mountains demanded newer, more powerful and efficient locomotives, leading to Union Pacific’s chief engineers to design a 4-6-6-4 ... . Al anon dos and don
RailKing 4-6-6-4 Challenger Steam Engine Set Up There are a few simple steps you must take before operating this RailKing steamer. 1. You should prime the operating smoke unit with smoke fluid before operating. Add 15-20 drops of smoke fluid through the smokestack, then gently blow into the stack to eliminate any air bubbles in the fluid. See ... These 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 ... 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.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.RailKing 4-6-6-4 Challenger Steam Engine Set Up There are a few simple steps you must take before operating this RailKing steamer. 1. You should prime the operating smoke unit with smoke fluid before operating. Add 15-20 drops of smoke fluid through the smokestack, then gently blow into the stack to eliminate any air bubbles in the fluid. See ... 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.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 ...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 ... While a large number of Challengers found service out West, 4-6-6-4s had colorful careers in the East, too. In 1942, eight Challengers were initially ordered by Clinchfield, and after the war they received four additional units. The Clinchfield Railroad also purchased six final Challenger locomotives in 1947 that the D&RGW had rejected a few ... The resulting machine was a winner. UP tested the new 4-6-6-4 engine on a section of track in Utah over the Wahsatch Range. The engineer commented that would be a challenge for any locomotive, and the name stuck. UP officially called the machine the Challenger. A total of 252 Challengers were built between 1935 and 1943. UP received the most, 105.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 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..