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Articulated locomotives saw service in many nations, but were very popular on narrow-gauge railways in Europe. The largest examples were developed in the United States, where the Union Pacific Big Boy 4-8-8-4s and the Allegheny H-8 2-6-6-6s were some of the largest steam locomotives ever built, with Big Boy 4014 remaining as the largest, and ...
An articulated Mercedes-Benz Citaro, bending as it turns a corner. An articulated vehicle is a vehicle which has a permanent or semi-permanent coupling in its construction. This coupling works as a large pivot joint, allowing it to bend and turn more sharply. There are many kinds, from heavy equipment to buses, trams and trains.
Each power car had a 1,200 hp V16 Winton 201-A engine, generator, and a pair of two-axle powered trucks. The rear truck of the first power car and the lead truck of the second power car carried a span bolster to which both power cars were articulated, so they made one unified locomotive of B-B+B-B configuration and a total of 2,400 hp (1,800 kW).
Kitson-Meyer articulated steam locomotive. SAR class KM (1904). The Kitson Meyer is a variant of the Meyer layout most closely associated with Kitson & Co. of Leeds, but was also built by other locomotive builders.The Meyer design was modified by moving the rear power unit further back and allowed the firebox to be between the two power units (as in a Garratt type locomotive), thus allowing a ...
Each Avelia Liberty train set has power cars at each end of the train, and (initially) nine articulated passenger cars. An additional three passenger cars can be added if demand grows. The power cars include a Crash Energy Management system to help meet the FRA's Tier-III standards while allowing a 30 percent reduction in train weight.
A variation of the Fairlie that enjoyed some popularity, especially in the United States, was the single Fairlie, essentially half a double Fairlie, with one boiler, a cab at one end, and a single articulated power bogie combined with an unpowered bogie under the cab, maintaining the ability to negotiate sharp turns.
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The third generation has minor modifications to the head shape but the more important changes were made to the power module – the electric variant now has 700 to 800 kW (940 to 1,070 hp) instead of up to 520 kW (700 hp), and the diesel–electric variant is available as a DMU-2 with two generators instead of one. This allowed for increasing ...