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In the Whyte notation for describing steam locomotive wheel arrangement, a 2-8-6 is a locomotive with a two-wheel leading truck, eight driving wheels, and a six-wheel trailing truck. All 2-8-6 locomotives constructed have been Mason Bogie tank locomotives .
U. USRA 2-8-8-2 This page was last edited on 5 December 2020, at 22:04 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ...
A quintuplex version (2-8-8-8-8-8-2) was also included in the George R. Henderson's U.S. patent application for the quadruplex version. The design was based on the quadruplex, with the fourth and fifth engines under an extended, articulated tender. [7] [8] [14]
Under the Whyte notation for the classification of steam locomotives, a 2-8-8-8-8-2 has two leading wheels, four sets of eight driving wheels, and two trailing wheels. Because of its length, such a locomotive must be an multiplex locomotive. It is longer than a normal articulated locomotive; the fourth set of drivers is located under the tender.
Virginian Railway USB class 2-8-8-2 No. 727. A 2-8-8-2, in the Whyte notation for describing steam locomotive wheel arrangements, is an articulated locomotive with a two-wheel leading truck, two sets of eight driving wheels, and a two-wheel trailing truck. The equivalent UIC classification is, refined to Mallet locomotives, (1′D)D1′ 4v.
The Erie Matt H. Shay 2-8-8-8-2 Baldwin Erie P1 5016 Triplex - Shown in Exeter, PA The only 2-8-8-8-4 triplex locomotive ever built. A triplex locomotive was a steam locomotive that divided the driving force on its wheels by using three pairs of cylinders to drive three sets of driving wheels.
The USRA 2-8-8-2 was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. These locomotives were of 2-8-8-2 wheel arrangement in the Whyte notation, or (1'D)'D1' in UIC classification.
They went to work on the Cumberland Division's rugged West End subdivision with its more than 2% grades and tight curves, where with the older 2-8-8-0 EL classes, they hauled West Virginia coal and freights. Since the EM-1s had roller bearings throughout, they also handled mail and express trains, replacing two B&O class T-3 4-8-2 Mountains.