MaK 400 BB

Built by MaK

Top speed

30 km/h

19 mph

Weight

36 t

79,366 lb

Length

9.68 m

31 ft 9 in

Track gauge

1,000 mm

Metre gauge

Years built

1959

1 units

Axle arrangement

B'B'

Overview of the MaK 400 BB

Explore the robust 400 BB diesel locomotive, a versatile workhorse known for its reliable performance.

Built by MaK in 1959, this 1000 mm gauge locomotive boasts a powerful B'B' wheel arrangement and a compact design at 9.68 meters long, weighing 36 tons.

With a top speed of 30 km/h, the 400 BB has served distinguished operators including the Brohltalbahn in Germany and the Rhaetian Railway and WRS Widmer Rail Services Personal AG in Switzerland, where it's known as the RhB Gm 4/4 and WRSCH 580 respectively.

Discover the enduring legacy of this diesel locomotive on narrow-gauge railways.

MaK 400 BB technical specifications

	Value	Imperial / US
Built by	MaK · 19591 units
Top speed	30 km/h19 mph	19 mph
Track gauge	1,000 mmMetre gauge3 ft 3⅜ in	3 ft 3⅜ in
UIC axle arrangement	B'B'
Length	9.68 m31 ft 9 in	31 ft 9 in
Weight	36 t79,366 lb	79,366 lb