A 2-8-8-4 steam locomotive, under the Whyte notation, has two leading wheels, two sets of eight driving wheels, and a four-wheel trailing truck. The type was generally named the Yellowstone, a name given it by the first owner, the Northern Pacific Railway, whose lines ran near Yellowstone...

Baltimore & Ohio 2-8-8-4 "Yellowstone" Locomotives in the USA The EM-1s were the last articulated steam locomotives built for the B&O. Actually, the B&O did not want the EM-1s.

Southern Pacific 2-8-8-4 "Yellowstone" Locomotives in the USA Most of Southern Pacifics "big steam" were of the Cab Forward variety (a backwards Yellowstone). However, not all of the SP "big steam" was required to run through the snow sheds of the Sierras.

These 2-8-4s had 63" diameter drivers, 26" x 32" cylinders, a 230 psi boiler pressure, they exerted 67,100 pounds of tractive effort and each weighed 426,000 pounds. Delivered in May and June of 1948, this group had the shortest life span of any of the modern design steam locomotives.

5 days ago · To start with, the wheel configuration is 2-8-8-4, where as the Bigboy is 4-8-8-4. That is, 2 small wheels at the front to steer the locomotive, 8 large driver wheels, a second group of 8 larger driver wheels, and 4 smaller wheels to support the weight of the firebox and cab.

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A 2-8-8-4 steam locomotive, under the Whyte notation, has two leading wheels, two sets of eight driving wheels, and a four-wheel trailing truck. The type was generally named the Yellowstone , a name given it by the first owner, the Northern Pacific Railway , …

Feb 24, 2023 · Not all of the 2-8-8-4 articulateds were "Yellowstones." Pictured below is one of the class EM-1's of the Baltimore & Ohio. In early 2001, Lionel released an absolutely exquisite full 1:48 scale model of the EM-1. Some photographs of this gorgeous model are shown below.

Under the Whyte notation, a 2-8-4 is a steam locomotive that has two unpowered leading wheels, followed by eight coupled and powered driving wheels, and four trailing wheels. This locomotive type is most often referred to as a Berkshire, though …

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