LNER Class A4 4468 Mallard is a 4-6-2 ("Pacific") steam locomotive built in 1938 for operation on the London and North Eastern Railway (LNER) at Doncaster Works to a design of Nigel Gresley. Its streamlined, wind tunnel tested [1] design allowed it to haul long distance express passenger services at high speeds.

倫敦及東北鐵路4468號機車 是一台 倫敦及東北鐵路A4型蒸汽機車，1938年由 唐卡斯特工廠 （英语：Doncaster Works） 製造。 英文别稱“ Mallard ”，中文意譯為“ 野鴨號 ”，中文音譯為“ 馬拉德號 ” [1][2][3][4]。

The LNER Class A4 is a class of streamlined 4-6-2 steam locomotives designed by Nigel Gresley for the London and North Eastern Railway in 1935. Their streamlined design gave them high-speed capability as well as making them instantly recognisable, and one of the class, 4468 Mallard, holds the record as the world's fastest steam locomotive.

4468 Mallard was built for the London and North Eastern Railway (LNER) at Doncaster, in March 1938 at a cost of £8,500. It is historically significant as the holder of the world speed record for steam locomotives.

The LNER Class A4 4468 Mallard is best known for its record-breaking speed run on July 3rd, 1938. The locomotive reached a top speed of 126 mph on the East Coast Main Line, near Grantham, Lincolnshire.

2020年9月20日 · On July 3rd, 1938, the 4468 Mallard, an A4-class steam locomotive, was performing an alleged brake test for its London and North Eastern Railway (LNER) owners. What better way to test a new...

LNER Class A4 4468 “Mallard” is recognized for its record setting run on 3 July 1938, when it reached 126 mph, a record for speed utilizing steam traction. The record was set on Stoke Bank near Grantham on the East Coast Main Line. In the 1930s, the Gresley A4 4-6-2 Pacific locomotives were the pinnacle of speed.

Like all of LNER's high-end passenger power, "Mallard" was built at Doncaster. It's fair enough that the London & North Eastern Railway's East Coast Mainline was the Mallard's main route, …

On the 3rd July 1938, the LNER 4-6-2 A4 Class No. 4468 Mallard, driven by Joe Duddington and fired by Tommy Bray, on a stretch of the East Coast Main Line between Peterborough and Grantham took the World speed record at a measured 126 mph (202 kph), Its record as the world's fastest steam locomotive has never been beaten.

London & North Eastern Railway No. 4468 Mallard, is a type of LNER Class A4 4-6-2 'Pacific' steam locomotive. The locomotive was built in the LNER Doncaster works on the 3rd of March 1938. Mallard is one of the well-known Class A4 Pacifics designed by Sir Nigel Gresley, and currently holds the...