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At the time of construction (1972) one of the world's most powerful locomotives. Currently in operation as of May 2022 with the revised classification of Re 620. Shen 12 Shenhua Mining Group: HXD1.7: CRRC Zhuzhou Electric 3×Bo'Bo' 276 tonnes (304 short tons) 1,140 kilonewtons (256,282 lbf) starting 14,400 kilowatts (19,311 hp) continuous rating
The East African Railways 4-8-2+2-8-4 59 class Garratts were the largest and most powerful steam locomotives to run on metre gauge, having a large 70-square-foot (6.5-square-metre) grate and a tractive effort of 83,350 pounds-force (370.76 kilonewtons). The 34 oil-fired locomotives remained in regular service until 1980.
An estimate of total steam locomotive production in the United States is about 175,000 engines, including nearly 70,000 by Baldwin. Altoona Machine Shops (PRR) American Locomotive Company (ALCO) Amoskeag Locomotive Works; Appomattox Locomotive Works – operated by Uriah Wells; Atlas Car & Manufacturing Company
The Big Boy has the longest engine body of any reciprocating steam locomotive, longer than two 40-foot buses. [12] They were also the heaviest reciprocating steam locomotives ever built; the combined weight of the 772,250 lb (350,290 kg) engine and 436,500 lb (198,000 kg) tender outweighed a Boeing 747. [12]
Baldwin also produced their most powerful steam engines in history, the 2-8-8-4 "Yellowstone" for the Duluth, Missabe & Iron Range Railway. The Yellowstone could put down over 140,000 lbf (622.8 kN) of Tractive force. They routinely hauled 180 car trains weighing over 18,000 short tons (16,071 long tons; 16,329 t).
Category for manufacturers of steam engines – that is, stationary steam engines and marine steam engines. (Manufacturers of steam railway locomotives (often known colloquially as steam engines) are listed elsewhere.)
There were a large number of manufacturers in Great Britain. Most started life as agricultural engineers, and many exported engines all over the world. Some of the manufacturers are listed below: William Allchin Ltd, Northampton – (MERL database entry) John Allen & Co., Oxford - best Known for the Allen Scythe. [1] Aveling & Porter, Rochester ...
For manufacturer EMD, the construction of the world's most powerful single frame locomotive was a sign of the company's dominance of the North American diesel locomotive market, with only GE Transportation an equal competitor. The DDA40X also pioneered a number of new technologies that would go on to be incorporated in future EMD designs.