22:
136:
502:. Availability of more powerful motors made the locomotive capable of hauling heavy trains at 100 km/h, making the series quite flexible. Equipment was placed inside the locomotive, removing the noses and giving the Ma a very different appearance from the Mg series. ASEA delivered 32 locomotives to SJ, in addition to 9 to
497:
When the freight traffic on the
Norrland lines was increasing towards the end of the 1940s, the need for more and stronger locomotives appeared. SJ decided to develop the Ma series based on the experience gained from the
554:
who had taken over TGOJ the year prior, decided to take the Ma-locomotives out of service. Most were scrapped, some were sold to heritage railways and other companies, and a few are still in service today.
539:, main power switch, front lights and moving the cabin door to the centre to reduce noise. In 1991 SJ sold 25 of its 31 units to TGOJ, though they have not been used much. Two units are rented to
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In the mid-1960s it was decided to modernize the Ma-series through rebuilding the drivers cabin and mounting new side windows, in addition to a number of technical improvements.
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When TGOJ got electric locomotives it also chose the Ma series. The nine locos were delivered from 1954 to 1958, and originally used on iron ore traffic between
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were delivered in a large numbers to SJ in the early 1970s, the Ma series was restricted to freight only duties. This was despite being modernized at
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517:. They differ from the ones delivered to SJ with that they can be driven in multiple and have round instead of square side windows.
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between 1953 and 1960. It is derived from the older
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477:-series, but unlike its predecessor it is used for
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Trafikaktiebolaget Grängesberg–Oxelösunds Järnvägar
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50:. Unsourced material may be challenged and
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114:Learn how and when to remove this message
1736:Railway locomotives introduced in 1953
485:. It is also the longest used loco in
125:
1746:Co′Co′ electric locomotives of Europe
7:
1741:Standard gauge locomotives of Sweden
48:adding citations to reliable sources
14:
134:
20:
1:
1721:Statens Järnvägar locomotives
263:1,300 mm (51.18 in)
543:while one has been sold to
375:100 km/h (62 mph)
338:15 kV 16.7 Hz AC
271:16,800 mm (55 ft
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293:4,500 mm (14 ft
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197:
148:
133:
600:Rolling stock of Sweden
466:
459:Swedish State Railways
467:Statens Järnvägar, SJ
1726:15 kV AC locomotives
535:with changes to the
44:improve this article
455:electric locomotive
367:Performance figures
1731:Co′Co′ locomotives
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565:Järnväg.net on Ma
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348:Current pickup(s)
333:Electric system/s
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153:Type and origin
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525:Rc locomotives
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202:Specifications
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185:Total produced
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1186:
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1176:
1173:
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1168:
1166:
1163:
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1131:
1128:
1124:
1114:
1111:
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1106:
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1099:
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1089:
1086:
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1079:
1076:
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869:
867:
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839:
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766:
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751:
748:
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741:
738:
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728:
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723:
721:
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706:
703:
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678:
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658:
656:
653:
651:
648:
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643:
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638:
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633:
631:
628:
626:
623:
621:
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615:
611:
608:
604:
595:
590:
588:
583:
581:
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572:
566:
563:
562:
558:
556:
553:
548:
546:
542:
538:
534:
530:
526:
521:
518:
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512:
507:
505:
501:
492:
490:
488:
484:
480:
476:
472:
468:
464:
460:
456:
452:
439:
435:
432:
428:
423:
419:
411:
405:(85,000
404:
400:
398:
394:
390:
386:
382:
378:
374:
372:Maximum speed
370:
365:
361:
354:
351:
349:
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336:
334:
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326:
322:
318:
314:
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270:
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258:
235:1,435 mm
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216: •
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68:
65: –
64:
60:
59:Find sources:
53:
49:
45:
39:
38:
34:
29:This article
27:
23:
18:
17:
1674:Freight cars
1103:Stortyskarna
1059:(ex HNJ G12)
729:
549:
522:
519:
508:
496:
450:
448:
387:(5,310
380:Power output
110:
101:
91:
84:
77:
70:
58:
42:Please help
30:
1365:Subway Cars
1356:Yp/Yop/Yo1p
606:Locomotives
552:Green Cargo
545:Inlandsgods
533:Trollhättan
451:SJ Class Ma
383:3,960
312:Loco weight
1710:Categories
523:After the
353:Pantograph
325:short tons
176:Build date
158:Power type
74:newspapers
1140:Dosto/ER1
550:In 2012,
515:Oxelösund
500:Mg series
430:Operators
401:376
321:long tons
307: in)
285: in)
179:1953-1960
104:July 2016
31:does not
1506:Railcars
1457:C20/C20F
1432:C13/C13H
1133:Electric
613:Electric
457:used by
341:Catenary
323:; 115.1
253: in
211:
161:Electric
1250:X50–X55
1230:X20–X23
511:Ludvika
493:History
479:freight
463:Swedish
319:(102.8
302:⁄
280:⁄
248:⁄
166:Builder
88:scholar
63:"SJ Ma"
52:removed
37:sources
1289:Diesel
1037:B (II)
1027:A (II)
804:Diesel
720:Hg/Hg2
541:BK Tåg
537:bogies
487:Sweden
453:is an
425:Career
317:tonnes
315:104.4
290:Height
268:Length
223:Co′Co′
143:Ma 405
90:
83:
76:
69:
61:
1471:Trams
1346:YCo5p
1032:B (I)
1022:A (I)
1015:Steam
795:Öa–Öd
790:Ua–Uf
705:El 13
529:NOHAB
230:Gauge
95:JSTOR
81:books
1691:Uadk
1630:RB11
1600:BFS9
1550:AFM7
1545:ABS5
1442:C14z
1280:X420
1235:X31K
1215:X15p
1190:X10p
836:Di 8
831:Di 3
725:Iore
513:and
504:TGOJ
481:and
471:ASEA
449:The
170:ASEA
141:TGOJ
67:news
35:any
33:cite
1686:F33
1665:WL6
1660:WL4
1655:WL1
1650:BC4
1645:BC2
1640:S12
1635:S11
1625:RB7
1620:R12
1595:BF7
1590:BF4
1585:B11
1580:B10
1540:AB7
1535:AB3
1530:A11
1493:A36
1488:A35
1483:A34
1478:A32
1462:C30
1452:C16
1447:C15
1437:C14
1427:C12
1422:C11
1417:C10
1351:Yo1
1341:Y41
1336:Y32
1331:Y31
1275:X80
1270:X74
1265:X62
1260:X61
1255:X60
1245:X40
1240:X32
1225:X17
1220:X16
1210:X15
1205:X14
1200:X12
1195:X11
1185:X10
1108:Y3a
1093:M3t
1088:M3b
1083:M3a
1073:G11
1063:E10
1006:Z70
1001:Z6p
996:Z68
991:Z67
986:Z66
981:Z65
971:Z4p
946:V11
941:V10
921:T2p
911:TMZ
906:TMY
901:TMX
886:T66
881:T46
876:T45
871:T44
866:T43
861:T42
856:T41
851:T23
846:T21
826:942
821:941
816:921
811:261
700:Dm3
675:Bdp
670:Bcp
665:Bbp
660:Bap
655:441
650:242
645:241
640:193
635:185
630:161
625:142
620:141
531:in
218:UIC
46:by
1712::
1681:Db
1615:R7
1610:R4
1605:R2
1575:B9
1570:B7
1565:B5
1560:B2
1555:B1
1525:A7
1520:A2
1412:C9
1407:C8
1402:C7
1397:C6
1392:C5
1387:C4
1382:C3
1377:C2
1372:C1
1326:Y8
1321:Y7
1316:Y6
1311:Y4
1306:Y3
1301:Y2
1296:Y1
1180:X9
1175:X8
1170:X7
1165:X6
1160:X5
1155:X3
1150:X2
1145:X1
1078:Gp
1057:E9
1052:E5
1047:E2
976:Z5
966:Z4
961:Z3
956:Zö
936:V5
931:V4
916:Tp
896:Tc
891:Tb
785:Rz
780:Rm
775:Re
770:Rd
765:Rc
760:Rb
755:Ra
750:Pa
740:Mg
735:Mb
730:Ma
695:Da
685:Bt
680:Bk
547:.
489:.
475:Mg
465::
436:,
407:lb
403:kN
389:hp
385:kW
189:41
129:Ma
1113:Å
1098:R
1068:F
1042:E
951:Z
926:V
841:G
745:O
715:H
710:F
690:D
593:e
586:t
579:v
461:(
412:)
409:f
391:)
327:)
304:8
300:1
297:+
295:9
282:8
278:3
275:+
273:1
255:)
250:2
246:1
243:+
241:8
237:(
117:)
111:(
106:)
102:(
92:·
85:·
78:·
71:·
54:.
40:.
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