MFO Re 420.2

Built by SLM, BBC, MFO, SAAS

Top speed

140 km/h

87 mph

Power output

4,700 kW

6,303 hp

Weight

80 t

176,370 lb

Length

15.41 m

50 ft 7 in

Track gauge

1,435 mm

Standard gauge

Years built

1967–1985

Overview of the MFO Re 420.2

Discover the powerful Re 420.2 electric locomotive, a cornerstone of Swiss railway history.

Part of the renowned Re 4/4 II series, this iconic machine was built between 1967 and 1985 by a collaboration of leading manufacturers including SLM, BBC, MFO, and SAAS.

Engineered for performance, the Re 420.2 boasts a top speed of 140 km/h and an impressive power output of 4700 kW, making it a reliable workhorse for Swiss Federal Railways (SBB).

With its robust Bo'Bo' wheel arrangement, a substantial weight of 80 tonnes, and a length of 15.41 meters, this locomotive is a testament to enduring engineering and a vital part of Switzerland's rail network.

MFO Re 420.2 technical specifications

	Value	Imperial / US
Series	Re 4/4 II
Built by	SLM, BBC, MFO, SAAS · 1967–1985
Refurbished	2011 (30)
Top speed	140 km/h87 mph	87 mph
Power output	4,700 kW6,303 hp	6,303 hp
Tractive effort	255 kN57,326 lbf	57,326 lbf
Electric systems	15 kV AC 16.7 Hz
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	Bo'Bo'
Length	15.41 m50 ft 7 in	50 ft 7 in
Width	2.97 m9 ft 9 in	9 ft 9 in
Height	4.5 m14 ft 9 in	14 ft 9 in
Weight	80 t176,370 lb	176,370 lb