Beyer & Peacock 25/3

Built by Crewe Works, Darlington Works, Derby Works, Beyer & Peacock

Top speed

145 km/h

90 mph

Power output

932 kW

1,250 hp

Length

15.39 m

50 ft 6 in

Track gauge

1,435 mm

Standard gauge

Axle arrangement

Bo'Bo'

Overview of the Beyer & Peacock 25/3

Discover the enduring charm of the BR 25/3 diesel locomotive, a prominent figure in British railway history.

Crafted by esteemed manufacturers including Crewe Works, Darlington Works, Derby Works, and Beyer & Peacock, this robust locomotive is celebrated for its exceptional performance and unwavering reliability.

Boasting a top speed of 145 km/h and an impressive power output of 932 kW, the BR 25/3 proved its versatility across decades, becoming a familiar sight on the UK's rail network.

With its distinctive Bo'Bo' axle configuration and a standard gauge of 1435 mm, this locomotive is not only a marvel of engineering but also a tangible piece of railway heritage.

Whether in service with the British Railways Board or cherished by private owners, the BR 25/3 stands as a testament to the ingenuity of past engineering achievements.

Beyer & Peacock 25/3 technical specifications

	Value	Imperial / US
Series	BR25
Built by	Crewe Works, Darlington Works, Derby Works, Beyer & Peacock
Top speed	145 km/h90 mph	90 mph
Power output	932 kW1,250 hp	1,250 hp
Tractive effort	170 kN38,218 lbf	38,218 lbf
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	Bo'Bo'
Length	15.39 m50 ft 6 in	50 ft 6 in
Width	2.77 m9 ft 1 in	9 ft 1 in
Height	3.86 m12 ft 8 in	12 ft 8 in