Stadler BR 231

Built by Stadler

Top speed

145 km/h

90 mph

Power output

1,500 kW

2,012 hp

Length

80.7 m

264 ft 9 in

Track gauge

1,435 mm

Standard gauge

Years built

2021

Axle arrangement

Bo'2'2'2'2'Bo'

Overview of the Stadler BR 231

Discover the BR 231, a modern and efficient Diesel Multiple Unit (DMU).

Part of the Flirt family and Flirt 4 series, this robust train was built by Stadler in 2021 and operates in the United Kingdom with Transport for Wales Rail Services under the TfW 231 class. With a 4-car formation, it's engineered for superior performance.

The BR 231 boasts a top speed of 145 km/h and a powerful 1500 kW output, ensuring reliable and strong service. Its 1435 mm gauge and 80.7-meter train length make it a significant asset to the rail network.

Featuring a UIC axle load of Bo'2'2'2'2'Bo', this locomotive represents cutting-edge railway technology for passenger transport.

Stadler BR 231 technical specifications

	Value	Imperial / US
Series	Flirt 4
Family	Flirt
Built by	Stadler · 2021
Top speed	145 km/h90 mph	90 mph
Power output	1,500 kW2,012 hp	2,012 hp
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	Bo'2'2'2'2'Bo'
Formation	4 cars
Train length	80.7 m264 ft 9 in	264 ft 9 in
Width	2.72 m8 ft 11 in	8 ft 11 in
Height	3.92 m12 ft 10 in	12 ft 10 in