Brush Traction 31/1

Built by Brush Traction

Top speed

130 km/h

81 mph

Power output

650 kW

872 hp

Weight

115 t

253,531 lb

Length

17.3 m

56 ft 9 in

Track gauge

1,435 mm

Standard gauge

Axle arrangement

(A1A)(A1A)

Overview of the Brush Traction 31/1

Explore the impressive British Rail Class 31/1 diesel locomotive, a powerful and versatile engine built by Brush Traction.

This robust locomotive, known by its model number 311 and series BT31, boasts a top speed of 130 km/h and a substantial weight of 115 tons. Its A1A-A1A wheel arrangement and 1435 mm gauge make it a familiar sight on UK railways.

With a power output of 650 kW and a tractive effort of 160 kN, the Class 31/1 has served various roles throughout its operational life, including with British Railways Board, Network Rail, and several private owners groups and heritage railways.

Discover more about the rich history and specifications of this iconic British diesel locomotive.

Brush Traction 31/1 technical specifications

	Value	Imperial / US
Series	BT31
Built by	Brush Traction
Top speed	130 km/h81 mph	81 mph
Power output	650 kW872 hp	872 hp
Tractive effort	160 kN35,969 lbf	35,969 lbf
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	(A1A)(A1A)
Length	17.3 m56 ft 9 in	56 ft 9 in
Width	2.67 m8 ft 9 in	8 ft 9 in
Height	3.84 m12 ft 7 in	12 ft 7 in
Weight	115 t253,531 lb	253,531 lb

Source of the data: en.wikipedia.orgView this model on trainspo.com Spotted an error? Let us know

Operators of the Brush Traction 31/1

Railway companies that have operated the 31/1, with the class designation used by each of them.

Operator	Class	Country
British Railways Board	BR 31/1	United Kingdom
Devon and Cornwall Railways	DCR 31/1	United Kingdom
Nene Valley Railway	NVR 31/1	United Kingdom
Network Rail	NRIL 31/1	United Kingdom
Private owners group	@private-uk 31/1	United Kingdom
RV Engineering Ltd	RVEL 31/1	United Kingdom