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 …

2024年9月28日 · The Yellowstone Type steam locomotive design, of the 2-8-8-4 wheel arrangement and an articulated design featured many of the peak technological advances of the motive power and being developed in the late 1920s had an extremely short lifespan, as some Yellowstones were barely 10 years of age before being retired!

Under the Whyte notation for the classification of steam locomotives, a 2-8-8-8-4 has two leading wheels, three sets of eight driving wheels, and four trailing wheels.

Railroads that used 2-8-8-4 "Yellowstone" Locomotives in the USA (data provided by Steve Llanso of Sweat House Media)

Z-5型2-8+8-4式“黄石”蒸汽机车是美国北太平洋铁路使用的一款“马莱”型铰接式干线蒸汽机车，主要牵引货运列车。 在1941年“大男孩”4-8+8-4式蒸汽机车出现之前，Z-5型2-8+8-4式“黄石”蒸汽机车是当时全球最大的蒸汽机车，无论是炉篦面积、加热面和过热面等 ...

NP wanted to burn low-grade Rosebud coal (obtained from mines along the line) in their locomotives. This required the Yellowstone to be designed with a huge (the largest ever used on a steam locomotive) firebox (182 sq. ft.).

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 …

根据从P34-0001号机车获得的经验教训，1951年，科洛姆纳工厂和全苏铁道运输科学研究院制定了2-8-8-2和2-8-8-4两种“马莱”铰接式蒸汽机车的设计草案。

2006年6月14日 · Duluth, Missabe & Iron Range 2-8-8-4 No. 236 hauls an empty ore train north out of Two Harbors, Minn. DM&IR’s Yellowstones were equipped with all-weather cabs and centipede tenders. Two other railroads owned Yellowstones. Arguably the very best of the type were those of the Duluth, Missabe & Iron Range.

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 the Chesapeake and Ohio Railway used the name Kanawha for their 2-8-4s.