Fablok 6Dg

Built by Fablok

Top speed

90 km/h

56 mph

Power output

708 kW

949 hp

Weight

73 t

160,937 lb

Length

14.24 m

46 ft 9 in

Track gauge

1,435 mm

Standard gauge

Years built

1967–1972

Overview of the Fablok 6Dg

Discover the SM42 diesel locomotive, a robust 6Dg model built by Fablok between 1967 and 1972.

This workhorse locomotive boasts a top speed of 90 km/h and a power output of 708 kW, serving various operators in Poland including PKP Cargo and LOTOS Kolej.

With a Bo'Bo' axle configuration and a tractive effort of 219 kN, the SM42 is well-suited for diverse rail operations.

Measuring 14.24 meters in length and weighing 73 tons, the SM42 stands as a testament to Polish railway engineering. Some units, like those refurbished by Newag in 2007, continue to maintain their efficiency and operational capability on the tracks.

Explore images and specifications of this iconic diesel locomotive and its lasting impact on Polish rail transport.

Fablok 6Dg technical specifications

	Value	Imperial / US
Series	SM42
Built by	Fablok · 1967–1972
Refurbished	Newag 2007
Top speed	90 km/h56 mph	56 mph
Power output	708 kW949 hp	949 hp
Tractive effort	219 kN49,233 lbf	49,233 lbf
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	Bo'Bo'
Length	14.24 m46 ft 9 in	46 ft 9 in
Width	3.16 m10 ft 4 in	10 ft 4 in
Height	4.29 m14 ft 1 in	14 ft 1 in
Weight	73 t160,937 lb	160,937 lb

Source of the data: pl.wikipedia.orgView this model on trainspo.com Spotted an error? Let us know

Operators of the Fablok 6Dg

Railway companies that have operated the 6Dg, with the class designation used by each of them.

Operator	Class	Country
LOTOS Kolej Sp. z o.o.	LOTOS 6Dg	Poland
PKP Cargo	PKP Cargo SM42-12	Poland
Private owners group	@private-pl 6Dg	Poland
Przedsiebiorstwo Robót Kolejowych i Inzynieryjnych	PRKiI 6Dg	Poland