Union Pacific 844 is a class "FEF-3" 4-8-4 "Northern" type steam locomotive owned and operated by the Union Pacific Railroad for its heritage fleet. Built in December 1944 by the American Locomotive Company (ALCO) of Schenectady, New York , No. 844 is one of four surviving FEF series locomotives and the only one in operation.

fef-3-8444号机车，拍摄于1988年 照片中的蒸汽火车头，是1台4-8-4“Northern”（“北方”）轮式干线客运蒸汽机车。 它通体为灰色，但司机室底部和煤水车中部绘有以深灰色为主的条纹。

Steam Locomotive No. 844 is the last steam locomotive built for Union Pacific Railroad. It was delivered in 1944. A high-speed passenger engine, it pulled such widely known trains as the Overland Limited, Los Angeles Limited, Portland Rose and Challenger.

Union Pacific Railroad No. 844 is an FEF-3 class 4-8-4 "Northern" type steam locomotive owned by the Union Pacific Railroad (UP). Built by the American Locomotive Company (ALCO) in December 1944, it was the last steam locomotive delivered to the UP and is the only steam locomotive never retired by a major North American class I railroad.

Union Pacific 844 is a 4-8-4 steam locomotive which the Union Pacific dubbed, originally enough, "Four-Eight-Fours" and classed them as such (Class FEF-1 through FEF-3). The locomotive was simply one of nearly four-dozen 4-8-4s the railroad had built between 1937 and 1944, and were used originally in passenger service but during their later ...

2019年3月27日 · 此款轮式的实际运用之一是美国联合太平洋铁路公司（以下简称“联太铁路”）从美国机车公司订购的FEF系列蒸汽机车⑴。 在20世纪30年代初，联太铁路的干线客运蒸汽机车主力为1922年到1924年间从美国机车公司订购的4-8-2“山岳”轮式MT-1型和MT-2型蒸汽机车⑵。 但到30年代末期，这些“山岳”轮式机车已经不能应付持续上升的铁路运输量，这个问题限制了联太铁路的客运业务发展。 在1937年，联太铁路主席William Jeffer所乘坐的一列由“山岳”轮式 机车牵引 的 …

#fef884 color RGB value is (254,248,132). #fef884 hex color red value is 254, green value is 248 and the blue value of its RGB is 132. Cylindrical-coordinate representations (also known as HSL) of color #fef884 hue: 0.16 , saturation: 0.98 and the lightness value of fef884 is 0.76.

These were designated Class FEF-1 and were designed by UP's Motive Power Group to have 77" drivers, 24.5 x 32 cylinders, a boiler pressure of 300 psi, and a weight of 465,000 lbs resulting in a tractive effort of 63,611 pounds (63,800 nominal).

#fef884 Color Information. Information; Conversion; Schemes; Alternatives; Preview; Shades and Tints; Tones; Blindness Simulator; In a RGB color space, hex #fef884 is composed of 99.6% red, 97.3% green and 51.8% blue. Whereas in a CMYK color space, it is composed of 0% cyan, 2.4% magenta, 48% yellow and 0.4% black.

In this production, BLI is modeling the FEF-2 Class and also the #844 with its Mars Light. Notable features are listed below: Accurately modeled FEF-2 double stack and triple stack - prototypically accurate for each road number. Accurately modeled turret casing. Individual side rods