Beyer & Peacock GMAM

Built by Beyer & Peacock, Henschel, NBL

Weight

245.7 t

541,675 lb

Length

28.6 m

93 ft 10 in

Track gauge

1,067 mm

Cape gauge

Years built

1953–1958

120 units

Axle arrangement

2'D1' h4

Overview of the Beyer & Peacock GMAM

Explore the impressive GMAM locomotive, a powerful steam engine built by renowned manufacturers like Beyer & Peacock, Henschel, and NBL between 1953 and 1958.

This iconic 4-8-2 steam locomotive, also known as the MS GMAM when operated by Mainline Steam Heritage Trust in New Zealand, boasts a striking presence on the 1067 mm gauge tracks.

With a substantial length of 28.6 meters and a total train length of 41.98 meters, the GMAM is a testament to engineering prowess, weighing in at a formidable 245.7 tons.

Discover the heritage and robust design of this classic steam locomotive, a true marvel of railway history.

Beyer & Peacock GMAM technical specifications

	Value	Imperial / US
Series	Garratt
Built by	Beyer & Peacock, Henschel, NBL · 1953–1958120 units
Track gauge	1,067 mmCape gauge3 ft 6 in	3 ft 6 in
UIC axle arrangement	2'D1' h4
Whyte notation	4-8-2
Length	28.6 m93 ft 10 in	93 ft 10 in
Train length	41.98 m137 ft 9 in	137 ft 9 in
Height	3.96 m13 ft 0 in	13 ft 0 in
Weight	245.7 t541,675 lb	541,675 lb
Axle load	15.95 t35,164 lb	35,164 lb