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.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?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 theAthearn® 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 ...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 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. 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. This video contains products that were purchased, provided or discounted. In most cases, products are a mix of discounted and otherwise purchased. In addit... Jan 11, 2021 · 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. 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 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.Jan 11, 2021 · 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. Union Pacific LEGACY 4-6-6-4 Challenger #3985 (BLACK) 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. In the 2010 Lionel Volume II Catalog, Lionel introduced a line of nine Challenger 4-6-6-4 Steam Locomotives. Production extended into 2011. Unless otherwise specified, the pictures on this page are my own. #48082 UP Black Challenger 4-6-6-4 Locomotive #3985 in the 2010 & 2011 catalogs. #48083 UP Black Challenger 4-6-6-4 Locomotive #3710 in the ...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 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 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.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.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.Sep 10, 2018 · 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 4-6-6-4 Challenger first appeared on U This is an MTH 70-3016-1 Union Pacific 4-6-6-4 Challenger Steam Engine w/Proto-Sound 2.0, (Yellow Stripes) Cab No. 3980. In the midst of the Great Depression, Union Pacific designed and asked ALCO to build the best high-speed simple articulated engines to grace American rails.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 ... 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 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.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. [1] A similar wheel arrangement exists for Garratt locomotives, but is referred to as 4-6-0+0-6-4. 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 ...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 ...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). 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 shippingSep 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 Northern Pacific ordered 21 "Challengers" from the American Locomotive Company in 1936 and took delivery of them during 1936 and 1937. These 4-6-6-4s were designated Class Z-6 and were assigned road numbers 5100 through 5120. They had four 23 x 32 cylinders, 69" drivers, a 250 psi boiler pressure, exerted 104,500 lbs of tractive effort and ...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.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 For those looking at really making their Dodge Challenger or Charger scream, a 6.4 HEMI supercharger is the way to go. The current production 392 HEMI makes 485 hp and 475 lb-ft, while the crate version makes 525 hp and 510 lb-ft. Adding a supercharger can easily add 100+whp to your engine without breaking a sweat.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.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! Delivered Mar. 2017. 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. But a decade later they were considered ... 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 |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 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 ...Delivered Mar. 2017. 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. But a decade later they were considered ...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 ...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.Jan 11, 2021 · 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. 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 ... 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.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 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 ...For those looking at really making their Dodge Challenger or Charger scream, a 6.4 HEMI supercharger is the way to go. The current production 392 HEMI makes 485 hp and 475 lb-ft, while the crate version makes 525 hp and 510 lb-ft. Adding a supercharger can easily add 100+whp to your engine without breaking a sweat.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 ... 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.These earliest Challengers, some 60 in total, proved their worth on the steep grades of the Wasatch Mountains, showing clearly that the big brute 4-6-6-4 engines had more power and speed than their predecessors. In 1943, twenty five additional ALCO Challengers arrived at the Union Pacific Railroad. These locomotives were initially designed as ...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 shippingThe 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 ...Sep 10, 2018 · 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 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. 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! 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.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 ...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.A 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...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. 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 11, 2021 · 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. 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!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.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.Union Pacific LEGACY 4-6-6-4 Challenger #3985 (BLACK) 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.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 PacificUnion 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 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 ...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 ... 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. The Union Pacific Challengers are a type of simple articulated 4-6-6-4 steam locomotive built by American Locomotive Company (ALCO) from 1936 to 1944 and operated by the Union Pacific Railroad until the late 1950s. A total of 105 Challengers were built in five classes. They were nearly 122 ft (37 m) long and weighed 537 short tons (487 tonnes).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 andN 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 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 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 ...Get the best deals for 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! 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 ... 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 ...
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. One man
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 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.Steam Locomotive Scale. Broadway Limited HO Scale UP Challenger Excursion #3985 Sound/DC/DCC Smoke 5821. broadway July 18, 2019 admin July 18, 2019 adminAthearn 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.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. [1] A similar wheel arrangement exists for Garratt locomotives, but is referred to as 4-6-0+0-6-4. For those looking at really making their Dodge Challenger or Charger scream, a 6.4 HEMI supercharger is the way to go. The current production 392 HEMI makes 485 hp and 475 lb-ft, while the crate version makes 525 hp and 510 lb-ft. Adding a supercharger can easily add 100+whp to your engine without breaking a sweat.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.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. 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 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. 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 ...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.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 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 ...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 Delivered Mar. 2017. 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. But a decade later they were considered ...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..