February 11, 2008 while our union pacific 4122 is not the first o gauge model of this unique threecylinder locomotive, we believe it is the best. True to the prototype, the lionel 4122 includes detailed gresley valve. Women railroad workers take over the care and maintenance of freight and passenger trains in the southern pacific company yards at san francisco, california. This arrangement was named the union type, after the only railroad to use it, the union pacific railroad. The ho 4 12 2 has realistic sounds and smoke that make it a lot of fun to operate, especially on a digital command control dcc or m. The union pacific giant 4122the threecylinder 4122 design used a pair of conventional cylinders that powered the third driving axle while an additional cylinder, mounted in the locomotive frame, drove the second axle. The threecylinder 4122 design used a pair of conventional cylinders that powered the third driving axle while an additional cylinder, mounted in the locomotive frame, drove the second axle. You may be right about lower maintenance costs for the atsf 2104s. My understanding of ups development of, and thinking about, the 4122 series comes mainly from brian reeds fascinating monograph on the subject in vol. Under the whyte notation for the classification of steam locomotives, 242 represents the wheel arrangement of two leading wheels on one axle, four powered and coupled driving wheels on two axles and two trailing wheels on one axle. Premier union pacific 4122 now shipping mth electric. Hobbylinc carries 52 260 model train locomotives at discounts up to 53% including steam ho, steam n, steam o027, and steam g. Uprr steam locomotive roster by class and number compiled from union pacific steam roster by gordon sandy mccullough. Even the mth 4122 is now harder to find and in serious brass price territory now.
Andre chapelon and his steam locomotives squarespace. The most popular 4 4 2 atlantic ho scale model train steam locomotives brands include bachmann, broadway limited imports, model power, marklin, inc, and rapido trains inc. Up 4122 trains magazine trains news wire, railroad. Under the whyte notation for the classification of steam locomotives, 2122. Union pacific locomotive number 9000 has a 4122 wheel arrangement. Congratulations on your purchase of this lionel steam locomotive. The unique 4102 southern pacificoverland was, in many ways, an experimental design. The 4122 was dubbed the union pacific type and it namesake railroad was the only north american railroad to use it. Railroad news from quicktravel, a travel directory with travel news and weather, flight tracking, travel search, and travel links.
The union pacific wanted more and approached the american locomotive company about a design for a 4122. Free locomotive firemen books locomotive firemens magazine 1903. There is a wonderful cutaway drawing of a typical steam locomotive that shows these components in their relationship to others. Unique to the union pacific was the 4122 wheel configuration built by alco in the 1920s. Great northern steam engines model railroader magazine. Check to make sure the track is free of all metals that may cause a short circuit. Union pacific railroad company photographic roster. Go to maps locate the steamlocomotive or place for which you are submitting a url. The reader should feel free to forward this on to friends and colleagues.
In whyte notation for the classification of steam locomotives by wheel arrangement, a 2124 is. Commandequipped locomotives on the same track at the same time. This very simple arrangement is the basis of many devices for producing free circulation of the water in steam boilers. Under the whyte notation for the classification of steam locomotives, 4 12 2 represents the wheel arrangement of four leading wheels, twelve coupled driving wheels, and two trailing wheels. The most popular 260 model train locomotives brands include bachmann, model power, marklin, inc, and atlas. If you enjoy my videos, feel free to like, comment, and share. Under the whyte notation for the classification of steam locomotives, 4122 represents the wheel arrangement of four leading wheels, twelve coupled driving wheels, and two trailing wheels. It was on may 10, 1869 at promontory, utah that the golden spike ceremony made america one land, linked by rail from ocean to ocean.
This class is the largest steam locomotive built on a rigid frame and it has a. Under the whyte notation for the classification of steam locomotives by wheel arrangement, 442 represents a. New york central streamlined steam locomotives assistant engineer, equipment engineering department the commodore vanderbilt locomntive on december 27, 1934 the world s firstpowered stream lined steam locomotive was exhibited at the grand central terminal. The ho 4122 has realistic sounds and smoke that make it a lot of fun to operate, especially on a digital command control dcc or m. Under the whyte notation for the classification of steam locomotives, 2122 represents the. Under the whyte notation for the classification of steam locomotives, 4122 represents the. The union pacific railroad experimented with a threecylinder 4102 overland type in 1925 and actually bought ten of them.
Eventually 88 of these unique and massive monsters were built. Please wash your hands and practise social distancing. Smokerise publications, 1988, 1990 a quick rundown by class and number are as follows. The locomotive was built by alco, who was attempting to perfect threecylinder steam technology believing it would offer more power. The broadway limited imports brasshybrid 4122 models include locomotives from classes up4 and up5 and are detailed as the prototypes existed late in their careers.
According to wikipedia, only one type of 4122 was built. The pennsylvania railroads class q2 comprised one prototype and twentyfive production duplex steam locomotives of 4464 wheel arrangement. The american locomotive company built eightyeight of these fast freight locomotives for the union pacific railroad. The type is sometimes named columbia after a baldwin 242 locomotive was showcased at the 1893 worlds columbian exposition held at chicago, illinois. X improvement of fatigue behaviour on free surfaces by cold rolling.