RSH 37/3

Built by English Electric, RSH

Top speed

140 km/h

87 mph

Power output

1,305 kW

1,750 hp

Length

18.75 m

61 ft 6 in

Track gauge

1,435 mm

Standard gauge

Axle arrangement

Co'Co'

Overview of the RSH 37/3

Discover the robust BR 37/3 diesel locomotive, a powerful workhorse with a rich history.

Built by English Electric and RSH, this locomotive, also known as the Class 37/3, boasts a top speed of 140 km/h and an impressive power output of 1305 kW.

Its reliable Co'Co' wheel arrangement and substantial tractive effort of 245 kN have made it a staple for British Railways Board and English, Welsh and Scottish Railway operations.

With a length of 18.75 meters, this diesel locomotive is a significant presence on the 1435 mm gauge tracks.

Explore the specifications and heritage of this iconic diesel traction.

RSH 37/3 technical specifications

	Value	Imperial / US
Series	BR 37
Built by	English Electric, RSH
Top speed	140 km/h87 mph	87 mph
Power output	1,305 kW1,750 hp	1,750 hp
Tractive effort	245 kN55,078 lbf	55,078 lbf
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	Co'Co'
Length	18.75 m61 ft 6 in	61 ft 6 in
Width	2.71 m8 ft 11 in	8 ft 11 in
Height	3.89 m12 ft 9 in	12 ft 9 in