LNER Gresley A3

Built by LNER

Weight

102 t

224,871 lb

Length

21.46 m

70 ft 5 in

Track gauge

1,435 mm

Standard gauge

Years built

1928–1935

78 units

Axle arrangement

2'C1' h3

Overview of the LNER Gresley A3

Discover the iconic LNER Gresley A3 steam locomotive, a true powerhouse of British railway engineering.

Designed by Sir Nigel Gresley, these magnificent machines first entered service in 1928 and were built in a total of 78 units.

The A3 class is instantly recognizable by its classic 4-6-2 wheel arrangement, also known as the Pacific type, and played a vital role in express passenger services for the London and North Eastern Railway.

With a length of 21.46 meters and a substantial weight of 102 tons, the A3 locomotives delivered an impressive tractive effort of 146 kN, ensuring swift and reliable journeys across the United Kingdom.

Experience the enduring legacy of the LNER Gresley A3, a testament to the golden age of steam.

LNER Gresley A3 technical specifications

	Value	Imperial / US
Series	LNER Gresley A1 A3
Built by	LNER · 1928–193578 units
Tractive effort	146 kN32,822 lbf	32,822 lbf
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	2'C1' h3
Whyte notation	4-6-2
Length	21.46 m70 ft 5 in	70 ft 5 in
Weight	102 t224,871 lb	224,871 lb