SLM BB R / Xrot d

Built by SLM

Top speed

35 km/h

22 mph

Power output

221 kW

296 hp

Weight

45 t

99,208 lb

Length

13.86 m

45 ft 6 in

Track gauge

1,000 mm

Metre gauge

Years built

1910–1912

2 units

Overview of the SLM BB R / Xrot d

Discover the Rhaetian Railway's BB R / Xrot d service unit, a robust locomotive designed for the 1000 mm narrow gauge.

Built by SLM between 1910 and 1912, this impressive machine boasts a C'C' UIC axle configuration and a substantial weight of 45 tonnes.

With a power output of 221 kW and a top speed of 35 km/h, the BB R / Xrot d is a reliable workhorse, measuring 13.86 meters in length and 3.6 meters in width.

Its operational heritage is deeply rooted in Switzerland with the Rhaetian Railway, making it an iconic part of their fleet and a testament to early 20th-century engineering.

SLM BB R / Xrot d technical specifications

	Value	Imperial / US
Built by	SLM · 1910–19122 units
Top speed	35 km/h22 mph	22 mph
Power output	221 kW296 hp	296 hp
Track gauge	1,000 mmMetre gauge3 ft 3⅜ in	3 ft 3⅜ in
UIC axle arrangement	C'C'
Length	13.86 m45 ft 6 in	45 ft 6 in
Width	3.6 m11 ft 10 in	11 ft 10 in
Height	3.8 m12 ft 6 in	12 ft 6 in
Weight	45 t99,208 lb	99,208 lb