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Scandinavian Electric Locomotives[Inhalt]
Norwegian State Railways El 1
Norway | 1922 | 24 produced
El 1 2001 in July 2007 in Hamar, Hedmark
El 1 2001 in July 2007 in Hamar, Hedmark
Cato Edvardsen
VariantEl 1aEl 1b
General
Built1922-19231930
ManufacturerPer Kure, Thunes
Axle configB-B 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length41 ft 8 in
Fixed wheelbase9 ft 10 1/8 in
Service weight135,143 lbs136,686 lbs
Adhesive weight135,143 lbs136,686 lbs
Axle load33,786 lbs34,172 lbs
Power
Power sourceelectric - AC
Electric system15.000 V 16⅔ Hz
Top speed43 mph
Starting effort35,295 lbf
Engine output925 hp (690 kW)
Power Plant
Boiler
Calculated Values
electric locomotive
passenger
freight
last changed: 08 2023
Norwegian State Railways El 8
Norway | 1940 | 16 produced
An El 8 in March 1948 with a passenger train
An El 8 in March 1948 with a passenger train
Norsk Nasjonalbiblioteket
General
Built1940-1949
ManufacturerNorsk Elektrisk & Brown Boveri, AEG, Thunes, Per Kure
Axle config1-D-1 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length45 ft 3 5/16 in
Service weight182,543 lbs
Adhesive weight182,543 lbs
Axle load45,636 lbs
Power
Power sourceelectric - AC
Electric system15.000 V 16⅔ Hz
Top speed68 mph
Starting effort30,349 lbf
Engine output2,789 hp (2,080 kW)
Power Plant
Boiler
Calculated Values
electric locomotive
passenger
last changed: 10 2023
Swedish State Railways D
Sweden | 1925 | 333 produced
D No. 432 in September 2006 at Gävle
D No. 432 in September 2006 at Gävle
David Gubler / www.bahnbilder.de
VariantDgDg1DsDu
General
Built1925-1943
ManufacturerASEA
Axle config1-C-1 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length42 ft 7 13/16 in
Service weight175,267 lbs177,251 lbs
Power
Power sourceelectric - AC
Electric system15.000 V 16⅔ Hz
Continuous power1,636 hp (1,220 kW)2,226 hp (1,660 kW)1,636 hp (1,220 kW)2,467 hp (1,840 kW)
Top speed47 mph62 mph
Starting effort42,039 lbf48,559 lbf31,698 lbf
Power Plant
Boiler
Calculated Values
electric locomotive
passenger
freight
last changed: 10 2023
Swedish State Railways Dm and Dm3 and Norwegian State Railways El 12
Sweden | 1953 | 57 produced
Dm3 1219 in service near Narvik
Dm3 1219 in service near Narvik
David Gubler

For the ore mining areas in Kiruna and Gällivare in northern Sweden, the ore railway between the Swedish port of Luleå and the Norwegian port of Narvik had already been electrified in the 1920s. When the mining quotas rose sharply after the Second World War, significantly more powerful electric locomotives than those already in existence had to be developed. From 1953, the Dm was created, which consisted of two permanently coupled locomotives with a 1-D wheel arrangement and which had evolved from the Da. With these locomotives, 3,400 tonne ore trains were to be transported from the mining areas either to the port of Luleå on the Gulf of Bothnia or to the Norwegian port of Narvik, which was ice-free all year round.

In each half of the locomotive there were two motors, each with 920 kW, which acted on a jackshaft in the middle between the four coupled axles. The further power distribution then took place via connecting rods. The Norwegian State Railways, which also had a share in the ore railway, ordered four pairs of locomotives of this type and designated them as El 12. The special feature of these was that they could be operated separately and individually during daily service. Starting in 1962, the motors were replaced with new ones with 1,035 kW, and the engines newly built from that point on received 1,200 kW each, so that each double locomotive had an output of 4,140 or 4,800 kW. By 1971, a total of 76 locomotive halves were built, from which 38 double locomotives could be formed.

In order to do justice to the ever increasing mining quotas, middle sections were built without a driver's cab and carrying axle and these were coupled between two type Dm locomotives. Ultimately, all locomotive halves with the 1,200 kW motors were used to build three-section locomotives. Since the middle part was called Dm3, the combination Dm+Dm3+Dm was soon also simply called Dm3.

Although the two-piece locomotives were also very powerful, the Dm3 were considered the longest and most powerful electric locomotives of their time. Initially, all locomotives were used on the ore railway, but after increasing train weights, the two-part locomotives were moved to more southern areas around 1980 and were used for regular freight trains for a few more years. In the 1990s, the Dm3s underwent a major overhaul, with new electronics installed and driver comfort significantly improved. The modernized locomotives could now be recognized by their blue-grey-red paintwork instead of the previous brown paintwork.

In 1996 all existing ore railway locomotives were handed over to the private MTAB Malmtrafik i Kiruna AB. The two two-part trains were renumbered to Dm2 and scrapped the following year, but the three-part trains were used longer. From the year 2000, the MTAB procured the modern IORE locomotives from Siemens, which gradually made the Dm3 superfluous. The last ones were still in use when in 2012 the MTAB was renamed LKAB Malmtrafik AB after the operating company of the mines, but this changed in 2013 after all IORE had been delivered.

VariantDm, El 12Dm3
General
Built1953-19711960-1970
ManufacturerASEA, Motala Verkstad, NoHAB
Axle config1-D+D-1 1-D+D+D-1 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length82 ft 8 1/8 in115 ft 7 13/16 in
Service weight418,878 lbs602,302 lbs
Adhesive weight352,739 lbs529,109 lbs
Axle load44,092 lbs
Power
Power sourceelectric - AC
Electric system15.000 V 16⅔ Hz
Top speed47 mph
Starting effort139,382 lbf211,320 lbf
Engine output4,935 hp (3,680 kW)9,655 hp (7,200 kW)
Power Plant
Boiler
Calculated Values
electric locomotive
freight
two-section
multi-section locomotive
last changed: 03/2022
Swedish State Railways H
Sweden | 1939 | 151 produced
Hg No. 785 in the Grängesberg Railway Museum
Hg No. 785 in the Grängesberg Railway Museum
Pimvantend
VariantHaHcHdHg
General
Built1939-19401942-194419421947-1951
ManufacturerASEA, Motala Verkstad
Axle configB-B 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length38 ft 5 7/16 in41 ft 0 1/8 in
Wheelbase25 ft 9 1/16 in27 ft 10 5/8 in
Fixed wheelbase8 ft 2 7/16 in9 ft 2 1/4 in
Service weight109,129 lbs131,836 lbs137,127 lbs142,859 lbs
Adhesive weight109,129 lbs131,836 lbs137,127 lbs142,859 lbs
Axle load27,282 lbs32,959 lbs34,282 lbs35,715 lbs
Power
Power sourceelectric - AC
Electric system15.000 V 16⅔ Hz
Continuous power1,577 hp (1,176 kW)1,556 hp (1,160 kW)1,743 hp (1,300 kW)
Top speed43 mph50 mph56 mph
Starting effort35,295 lbf
Power Plant
Boiler
Calculated Values
electric locomotive
passenger
freight
last changed: 08 2023
Swedish State Railways U
Sweden | 1926
MTAB Uf No. 849 in May 2000 in Gällivare
MTAB Uf No. 849 in May 2000 in Gällivare
wassen
VariantUa, UbUcUdRebuilt Ue, Uf
General
Built1926, 1930-195419331955-19561987-1991
ManufacturerASEA, NoHAB, AB Svenska Järnvägsverkstäderna
Axle configC 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length31 ft 5 15/16 in35 ft 1 1/4 in31 ft 5 15/16 in
Service weight102,515 lbs108,467 lbs111,113 lbs
Adhesive weight102,515 lbs108,467 lbs111,113 lbs
Axle load34,172 lbs36,156 lbs37,038 lbs
Power
Power sourceelectric - AC
Electric system15.000 V 16⅔ Hz
Continuous power691 hp (515 kW)818 hp (610 kW)966 hp (720 kW)1,234 hp (920 kW)
Top speed28 mph37 mph
Starting effort33,047 lbf
Power Plant
Boiler
Calculated Values
electric locomotive
switcher
last changed: 08 2023
Malmtrafik i Kiruna IORE
Sweden | 2000 | 17 produced
No. 103 “Luleå” and No. 114 “Rautas” in March 2009 in Vassijaure
No. 103 “Luleå” and No. 114 “Rautas” in March 2009 in Vassijaure
Kabelleger / David Gubler

The three-part Dm3 have been in use for decades on the Luleå–Narvik railway line, which connects the Swedish ore mines near Kiruna and Gällivare with the ports in Luleå, Sweden and Narvik, Norway. To replace these, the IORE was ordered from ADtranz in the 1990s, the name of which is derived from “Iron Ore”. Although these locomotives were later assigned to the TRAXX family by Bombardier, they were actually independent developments that had been developed by the Swiss branch in Oerlikon.

These are double locomotives that consist of two technically independent, six-axle locomotives. Since the ore trains on this route operate at 60 km/h when loaded and at 70 km/h when empty, the maximum speed was limited to 80 km/h. This means that a double locomotive achieves a starting tractive effort of 1,400 kN (315.000 pounds) and can therefore pull trains weighing 8,600 tonnes and containing 6,880 tonnes of iron ore. The vehicles are designed for the harsh climate north of the Arctic Circle and also have appropriate equipment in the cabs.

The axle load was initially 25 tonnes, but was increased to 30 tonnes with ballast after the line was upgraded and new, larger ore hoppers were introduced. Due to increased production in the mines, the Dm3 could not be completely replaced with the nine double units initially ordered. Only after two more orders, which brought the number of pairs to 17, was the last Dm3 could be retired in 2013.

Variantwithout ballastwith ballast
General
Built2000-2004, 2009-2010, 2013-2014
ManufacturerAdtranz, Bombardier
Axle configC-C+C-C 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length150 ft 3 9/16 in
Wheelbase54 ft 10 11/16 in
Fixed wheelbase12 ft 7 3/16 in
Service weight661,386 lbs793,663 lbs
Adhesive weight661,386 lbs793,663 lbs
Axle load55,116 lbs66,139 lbs
Power
Power sourceelectric - AC
Electric system15.000 V 16⅔ Hz
Continuous power14,483 hp (10,800 kW)
Top speed50 mph
Starting effort314,733 lbf
Power Plant
Boiler
Calculated Values
electric locomotive
freight
two-section
Bombardier TRAXX
three-phase AC
last changed: 11/2023
Finnish Railway Sr1
Finland | 1971 | 112 produced
No. 3069 in October 2011 with a double-decker train in Pieksämäki
No. 3069 in October 2011 with a double-decker train in Pieksämäki
Yaamboo

The first series of Finnish electric locomotives was the Sr1, the mechanical part of which was manufactured in the Novocherkassk Electric Locomotive Factory. Including the prototype, 111 locomotives were delivered from the Soviet Union and completed with their own electrics in Finland. In 1993 another locomotive was assembled from existing spare parts. They are used in front of passenger and freight trains and at times they were converted to a speed of 160 km/h. The first locomotives were retired in 2022.

General
Built1971-1984, 1993
Manufacturermechanical part: Nowotscherkassk, electrical part: Oy Strömberg
Axle configB-B 
Gauge4 ft 11 13/16 in (Russian broad gauge)
Dimensions and Weights
Length62 ft 2 7/16 in
Wheelbase43 ft 1 5/16 in
Service weight185,188 lbs
Adhesive weight185,188 lbs
Axle load46,297 lbs
Power
Power sourceelectric - AC
Electric system25,000 V 50 Hz
Hourly power4,399 hp (3,280 kW)
Continuous power4,157 hp (3,100 kW)
Top speed87 mph
Starting effort62,947 lbf
Power Plant
Boiler
Calculated Values
electric locomotive
passenger
freight
last changed: 03/2023
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