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Indian locomotive class WDM-3D

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having a power deficit of 200 hp. It also looks the same, shares the same body shell, control cabin, undercarriage and the high-adhesion bolsterless bogies of the WDM3D. The difference is that unlike the WDM3D, the WDM3B is not microprocessor controlled but uses something called "E-Type Excitation" for locomotive control. The WDM3B seems to be the result of the Railways trying to cut the WDM3D down to size by eliminating its troublesome features like microprocessor control. But now 3Bs are being converted into 3Ds. WDM3Bs are housed at UP sheds like Lucknow, Gonda, Jhansi, Samastipur, Patratu etc. and many are (were) famously named "Gajraj". The WDM3B does not adhere to the hp-based naming convention as WDM3A already represented 3100 hp. IR just assigned the vacant WDM3B class to this type.
786: 2019: 816: 868:, IR gave 10 WDM-3D units for free under its "grant assistance" plan. The Railways has modified the locos to suit the maximum height restrictions in BR and the donated locomotives (6-8 year old) have 28 years of serviceable life left. India formally handed over the locomotives in a virtual ceremony on July 27. The vehicles cost an estimated ₹600m ($ US 8m) to manufacture. On 24 May 2023, 20 more WDM-3D locomotives were gifted under the same "grant assistance" plan. 799:
WDM3Fs are based at Gooty (GY) and share all the features of the WDM3D including roof mounted DBRs except the #11287. Though high powered, this class apparently didn't work out well because after the WDM3F, IR realized that it is futile to try and crank more power of the ALCOs as they were too old and outdated and shifted attention to the EMD. This also marked the beginning of the end of the ALCO domination on Indian Railways.
2013: 42: 2007: 744:. These locos have a 3300 hp power pack, with maximum available traction power of 2925 hp. The engine is an enhanced version of the 16-cylinder Alco 251C model with a max. speed of 160 km/h. The bogies are Improved Fabricated (welded) Alco High-Adhesion Co-Co bogies with stem type vertical and lateral dampers in place of 'eye' type which helps reduce wheel slip and maintenance. 2001: 808: 727:
but were later transferred to Erode. Serial production started in late 2005 with locos being allotted to almost all major BG diesel sheds. Earlier WDM-3Ds had issues with their electronics which probably led to the development of the WDM-3B in 2005, the same WDM-3D without microprocessor control. The
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class. However some specifications are somewhat different for SLR. This class was used for the construction work of Talaimannar and Kankasanthurei railway lines. After extending the northern line to Jaffna and beyond, M10s were used for passenger services including Yal Devi on the northern line. As
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The WDM3B diesel locomotive class was developed in 2005 after the WDM3C and WDM3D. It actually is a variant of the WDM3D, though it shares its power rating with the WDM3A. Only 23 numbers were built (road numbers #14144 to #14167), making them very rare. It has the same engine as the WDM3D, despite
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The very extremely rare WDM3F was the result of the last and final experiment in IR's drive for more powerful ALCOs. This one is rated 3600 hp and only four were produced (#11287, #11321, #11325, #11342). #11287 has a unique aerodynamic design where the ends taper upwards (picture above). All
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This was an experimental class developed out of the WDM3D by IR on the ever-lookout for more power, all equipped with High Adhesion bogies and roof-mounted DBRs. However, they never entered serial production. Some suggest that the WDM3E is actually called "WDM3D without Equalizer" or WDM3Ds with
699:. A significant number of these locomotives are still in use, both on mainline and departmental duties. As of October 2021, most of the locomotives still retain "operational status" on the mainline as WDM-3D, with further examples having been converted from WDM-3B. 782:
3500 hp power. The known road numbers in service for this class are #11306 to #11311 and #11263. All are marked WDM3D and all are used to haul only freights with speed restricted to 85 km/h. They look exactly like the WDM3D and share all its features.
684:, Diesel (D), Mixed traffic (M) engine with 3300 horsepower (3D). The engine is classified WDM-3D though it outputs only 3300 hp and not 3400 hp as the name should suggest. They entered service in 2003. A total of 590+ WDM-3D were built at 728:
class is considered successful with over 590 units being built. The production has now ceased as DLW has moved to manufacturing more Advanced locos. One unit #11121 has a modified short hood, similar to WDP-4 and is homed at
759:, marker lights outside cabin doors, electronic horn, High capacity buffers. Components and auxiliaries have been improved with the aim of making the duty schedule longer between maintenance visits to the shed. 1431: 691:
The WDM-3D is one of the most successful locomotives of Indian Railways serving both passenger and freight trains. A few WDM-3D units were exported or gifted to neighboring countries like
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with the ALCO platform. The first one was built in July, 2003, numbered #11101. The first few units (five) were all homed at
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Class BED-33 6536. Formerly 11587 of Samastipur, this WDM3D locomotive has Auxiliary Power Unit (APU).
2562: 1676: 1464: 1392: 1325: 1231: 1151: 955: 865: 364: 1560:"෴අඟුරු නොකා වතුර නොබී කොළඹ දුවන යකඩ යකා෴: ෴M10 දුම්රිය එන්ජිම - උතුර දකුණ යා කරන ඉන්දියානු කඟවේනා෴" 708: 685: 673: 334: 92: 88: 74: 1545: 1777: 1205: 1081: 996: 729: 681: 183: 1266: 829: 347: 17: 1076: 973: 924: 785: 1671: 2018: 1780: 1200: 937: 893: 8: 1107: 862: 839: 835: 696: 692: 630: 626: 588: 1724: 1714: 1593: 1483: 1411: 1344: 530: 510: 458: 448: 374: 1531: 1517: 1503: 1788: 1746: 495: 406: 171: 1559: 1293: 1693: 1281: 677: 622: 578: 514: 469: 64: 1432:"[IRFCA] Indian Railways Locomotive Roster Erode (ED) WDM-3D 11121 Show" 419: 2596: 1735: 525: 518: 505: 465: 1728: 815: 1686: 215: 1708: 720: 716: 378: 295: 178: 103: 361: 838:
in 2012. They were the longest and most powerful locomotives owned by
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228.6 mm × 266.7 mm (9.00 in × 10.50 in)
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in 2003. It was the result of DLW integrating the best features of
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175.14 L (38.53 imp gal; 46.27 US gal)
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of August 2020, all units of this class are still in service.
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6,000 L (1,300 imp gal; 1,600 US gal)
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style High Adhesion bogies, air cylinder under foot-board,
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1,210 L (270 imp gal; 320 US gal)
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1,270 L (280 imp gal; 340 US gal)
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160 L (35 imp gal; 42 US gal)
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Harrow, Middlesex: The Continental Railway Circle. 1572: 1776: 1639:"India increases rail connections with Bangladesh" 1614:"India to handover 10 broad-gauge locos to B'desh" 540:2,266 L/min (@ 400 rpm), 5,665 L/min (@ 1000 rpm) 2594: 861:On 27 July 2020, due to over-aging of existing 1762: 1250:Total Locomotives Active as of September 2024 583:38.61 tf (378.6 kN) @ 33% adhesion 1710:Indian Locomotives: Part 4 – 1941–1990 1598:: CS1 maint: numeric names: authors list ( 1769: 1755: 1736:https://www.scribd.com/doc/309729773/WDM3D 713:Research Design and Standards Organisation 563:145 km/h (90 mph) (Tested Speed) 834:Ten WDM-3D locomotives were purchased by 2570: 814: 806: 784: 740:It is the higher-powered version of the 573:Site rated:3,152 hp (2,350 kW) 1653:"Railway Website Mechanical Department" 688:(BLW), Varanasi between 2003 and 2016. 482:Microprocessor based AC-DC transmission 14: 2618:Railway locomotives introduced in 2003 2595: 1706: 1532:"Diesel Loco Roaster WDM(ALCO) series" 1518:"Diesel Loco Roaster WDM(ALCO) series" 1504:"Diesel Loco Roaster WDM(ALCO) series" 1488:: CS1 maint: archived copy as title ( 1416:: CS1 maint: archived copy as title ( 1349:: CS1 maint: archived copy as title ( 842:at that time. They were allocated the 253:17,350 mm (56 ft 11 in) 202:HAHS Bogie (with OR without equaliser) 27:Indian Railway class diesel locomotive 1750: 245:18,632 mm (61 ft 2 in) 228:11,450 mm (37 ft 7 in) 2613:Banaras Locomotive Works locomotives 2603:Diesel-electric locomotives of India 755:style fuel tanks, engine doors like 269:4,340 mm (14 ft 3 in) 46:Malda Town based WDM-3D at Guwahati. 1277:List of diesel locomotives of India 871: 747:The loco features left hand drive, 261:2,950 mm (9 ft 8 in) 220:1,900 mm (6 ft 3 in) 210:1,092 mm (3 ft 7 in) 24: 802: 25: 2634: 1742: 571:Max:3,300 hp (2,500 kW) 2017: 2011: 2005: 1999: 1575:"Bangladesh locomotive handover" 789:A WDM-3B with KYQ - GIMB Express 735: 40: 1699: 1645: 1631: 1606: 1566: 1552: 1538: 1524: 1510: 1496: 1450: 1424: 1378: 1357: 1311: 762: 742:Indian locomotive class WDM-3A 672:that was developed in 2003 by 13: 1: 1579:Railway Gazette International 1287: 1272:Indian locomotive class WDM-2 857:Bangladesh Railway Class 6500 850: 601:17.94 tf (175.9 kN) 823: 680:. The model name stands for 664:The Indian locomotive class 561:120 km/h (75 mph) 287:117 t (117,000 kg) 279:19.5 t (19,500 kg) 7: 2623:5 ft 6 in gauge locomotives 1573:2020-07-28T13:00:00+01:00. 1260: 707:WDM-3D was developed in by 95:, Parel Locomotive Workshop 10: 2639: 1365:"Locomotive Design Center" 1028:Northeast Frontier Railway 854: 827: 702: 670:diesel-electric locomotive 432: • Rating 1 hour 242: • Over couplers 2561: 2541: 2515: 2504: 2424: 2378: 2347: 2338: 2313: 2282: 2241: 2232: 2182: 2128: 2093: 2035: 2026: 1997: 1939: 1908: 1842: 1796: 1787: 1672:India Rail Info blog post 1248: 1199: 1119: 1075: 1057: 1026: 892: 793: 776: 767: 650: 636: 618: 613: 609: 598:Dynamic brake peak effort 597: 587: 577: 567: 557: 552: 548: 536: 524: 504: 494: 486: 475: 457: 447: 439: 431: 418: 405: 392: 384: 370: 365:Four-stroke diesel engine 357: 346: 333: 325: 317: 309: 301: 291: 283: 273: 265: 257: 249: 241: 232: 224: 214: 206: 196: 177: 168: • Commonwealth 167: 156: 147: 142: 138: 117: 109: 99: 84: 70: 60: 55: 51: 39: 34: 1304: 1299:Locomotive Design Center 709:Banaras Locomotive Works 686:Banaras Locomotive Works 674:Banaras Locomotive Works 190:5 ft 6 in 440: • Continuous 250: • Over beams 1267:Sri Lanka Railways M10 830:Sri Lanka Railways M10 820: 812: 790: 1707:Hughes, Hugh (1996). 1183:South Western Railway 1165:South Eastern Railway 1121:South Central Railway 1059:North Western Railway 1010:North Eastern Railway 992:North Central Railway 818: 810: 788: 1940:IGR standard designs 1909:World War II designs 1781:locomotives of India 1692:20 June 2019 at the 1548:. 19 September 2012. 1232:West Central Railway 956:East Central Railway 676:(BLW), Varanasi for 863:Bangladesh Railways 553:Performance figures 130:Rebuilt from WDM-3B 2205:WDS-4 (4A, 4B, 4D) 1534:. 30 October 2013. 1520:. 30 October 2013. 1506:. 30 October 2013. 840:Sri Lanka Railways 836:Sri Lanka Railways 821: 813: 791: 631:Sri Lanka Railways 627:Bangladesh Railway 379:Turbo-Supercharged 2608:Co-Co locomotives 2590: 2589: 2586: 2585: 2557: 2556: 2500: 2499: 2334: 2333: 2228: 2227: 1995: 1994: 1258: 1257: 662: 661: 658: 657: 605: 604: 544: 543: 427:TM5002BY ​ 134: 133: 16:(Redirected from 2630: 2568: 2567: 2513: 2512: 2506:Dual (AC and DC) 2345: 2344: 2239: 2238: 2033: 2032: 2021: 2015: 2009: 2003: 1794: 1793: 1771: 1764: 1757: 1748: 1747: 1732: 1664: 1663: 1661: 1659: 1649: 1643: 1642: 1635: 1629: 1628: 1626: 1624: 1610: 1604: 1603: 1597: 1589: 1587: 1585: 1570: 1564: 1563: 1556: 1550: 1549: 1542: 1536: 1535: 1528: 1522: 1521: 1514: 1508: 1507: 1500: 1494: 1493: 1487: 1479: 1477: 1475: 1469: 1463:. 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1453: 1437: 1433: 1427: 1419: 1413: 1394: 1387: 1381: 1373: 1366: 1360: 1352: 1346: 1327: 1320: 1314: 1310: 1300: 1297: 1295: 1292: 1291: 1283: 1280: 1278: 1275: 1273: 1270: 1268: 1265: 1264: 1253: 1251: 1247: 1243: 1240: 1238: 1235: 1233: 1230: 1229: 1225: 1222: 1220: 1217: 1216: 1212: 1209: 1207: 1204: 1202: 1198: 1194: 1191: 1189: 1186: 1184: 1181: 1180: 1176: 1173: 1171: 1168: 1166: 1163: 1162: 1158: 1155: 1153: 1150: 1149: 1145: 1142: 1140: 1137: 1136: 1132: 1129: 1127: 1124: 1122: 1118: 1114: 1111: 1109: 1106: 1105: 1101: 1098: 1096: 1093: 1092: 1088: 1085: 1083: 1080: 1078: 1074: 1070: 1067: 1065: 1062: 1060: 1056: 1052: 1049: 1047: 1044: 1043: 1039: 1036: 1034: 1031: 1029: 1025: 1021: 1018: 1016: 1013: 1011: 1008: 1007: 1003: 1000: 998: 995: 993: 990: 989: 985: 982: 980: 977: 975: 972: 971: 967: 964: 962: 959: 957: 954: 953: 949: 946: 944: 941: 939: 936: 935: 931: 928: 926: 923: 922: 918: 915: 913: 910: 909: 905: 902: 900: 897: 895: 891: 887: 884: 881: 878: 877: 869: 867: 864: 858: 848: 845: 841: 837: 831: 817: 809: 800: 787: 783: 774: 760: 758: 754: 750: 745: 743: 736:Specification 733: 731: 726: 722: 718: 714: 710: 700: 698: 694: 689: 687: 683: 679: 675: 671: 667: 653: 649: 646: 642: 639: 635: 632: 628: 624: 621: 617: 612: 608: 600: 596: 592: 590: 586: 582: 580: 576: 570: 566: 560: 558:Maximum speed 556: 551: 547: 539: 535: 532: 529: 527: 523: 520: 516: 515:Dynamic Brake 512: 509: 507: 503: 499: 497: 493: 489: 485: 481: 478: 474: 471: 467: 462: 460: 459:Cylinder size 456: 452: 450: 446: 442: 438: 434: 430: 426: 423: 421: 417: 413: 410: 408: 404: 400: 397: 395: 391: 387: 383: 380: 376: 373: 369: 366: 363: 360: 356: 352: 349: 345: 342:(BLW Uprated) 341: 338: 336: 332: 328: 324: 320: 316: 312: 308: 304: 302:Fuel capacity 300: 297: 294: 290: 286: 282: 278: 276: 272: 268: 264: 260: 256: 252: 248: 244: 240: 236: 231: 227: 225:Pivot centres 223: 219: 217: 213: 209: 205: 201: 199: 195: 187: 185:1,676 mm 182: 180: 176: 173: 170: 166: 162: 160: 157: •  155: 151: 146: 141: 137: 129: 125: 122: 116: 112: 108: 105: 102: 98: 94: 90: 87: 83: 80: 76: 73: 69: 66: 63: 59: 54: 50: 43: 38: 33: 30: 19: 2482:WAGC3/WAG-10 2071:(3B, 3E, 3F) 2068: 1797:BESA designs 1709: 1700:Bibliography 1656:. Retrieved 1647: 1633: 1621:. Retrieved 1617: 1608: 1582:. Retrieved 1578: 1568: 1554: 1540: 1526: 1512: 1498: 1472:. Retrieved 1465:the original 1452: 1440:. Retrieved 1436:the original 1426: 1400:. Retrieved 1393:the original 1380: 1371: 1359: 1333:. Retrieved 1326:the original 1313: 1249: 1046:New Guwahati 860: 843: 833: 797: 780: 771: 746: 739: 706: 690: 665: 663: 644: 640: 568:Power output 526:Train brakes 476:Transmission 385:Displacement 326:Sandbox cap. 318:Coolant cap. 127: 123: 29: 2340:AC electric 2234:DC electric 1843:IRS designs 1778:Broad-gauge 1546:"Class M10" 1095:Golden Rock 866:locomotives 763:Sub Classes 721:EMD GT46PAC 717:EMD GT46MAC 651:Disposition 358:Engine type 335:Prime mover 284:Loco weight 2597:Categories 2516:Mixed type 2348:Mixed type 2242:Mixed type 2036:Mixed type 1288:References 1170:Bondamunda 1139:Vijayawada 1033:Malda Town 1015:Izzatnagar 961:Samastipur 851:Bangladesh 697:Bangladesh 537:Compressor 519:Hand Brake 506:Loco brake 496:MU working 487:Gear ratio 414:AG3101AY-1 394:Alternator 371:Aspiration 340:ALCO 251-B 110:Build date 61:Power type 2571:Passenger 2563:Dual mode 2528:WCAM-2/2P 2462:WAG-6B/6C 2379:Passenger 2283:Passenger 2094:Passenger 1962:WL (1955) 1957:WL (1939) 1219:Sabarmati 1152:Moula Ali 1108:Ernakulam 888:Quantity 885:Shed Code 824:Sri Lanka 811:Class M10 693:Sri Lanka 619:Operators 531:Air Brake 511:Air Brake 449:Cylinders 407:Generator 401:TA10102EV 292:Fuel type 275:Axle load 216:Wheelbase 113:2003-2016 2508:electric 2200:WDS-3/4C 2183:Shunting 2136:WDG-2/3A 2106:WDP-2/3A 1729:35135033 1690:Archived 1623:2 August 1618:The Week 1594:cite web 1584:2 August 1484:cite web 1412:cite web 1345:cite web 1261:See also 1174:BNDM (D) 1126:Guntakal 1064:Abu Road 443:925 amps 435:950 amps 237:​ 152:​ 71:Designer 1474:20 June 1442:21 June 1402:20 June 1335:20 June 1143:BZA (D) 1130:GTL (D) 1001:JHS (D) 979:Lucknow 947:HWH (D) 916:KYN (D) 703:History 637:Numbers 377:7S1716 233:Length: 85:Builder 2578:WDAP-5 2549:WCAG-1 2533:WCAM-3 2523:WCAM-1 2492:WAG-12 2487:WAG-11 2457:WAG-6A 2174:WDG-6G 2164:WDG-4G 2069:WDM-3D 2063:WDM-3A 2053:WDM-2G 2028:Diesel 1727:  1717:  1658:16 May 1241:ET (D) 1237:Itarsi 1206:Ratlam 1086:ED (D) 997:Jhansi 943:Howrah 912:Kalyan 794:WDM-3F 777:WDM-3E 768:WDM-3B 749:WDG-3A 666:WDM-3D 654:active 614:Career 470:stroke 296:Diesel 266:Height 198:Bogies 163:Co′Co′ 104:DL560C 35:WDM-3D 18:WDM-3D 2542:Goods 2477:WAG-9 2472:WAG-8 2467:WAG-7 2452:WAG-5 2447:WAG-4 2442:WAG-3 2437:WAG-2 2432:WAG-1 2425:Goods 2416:WAP-7 2411:WAP-6 2406:WAP-5 2401:WAP-4 2396:WAP-3 2391:WAP-2 2386:WAP-1 2370:WAM-4 2365:WAM-3 2360:WAM-2 2355:WAM-1 2326:WCG-2 2321:WCG-1 2314:Goods 2305:WCP-4 2300:WCP-3 2295:WCP-2 2290:WCP-1 2274:WCM-6 2269:WCM-5 2264:WCM-4 2259:WCM-3 2254:WCM-2 2249:WCM-1 2220:WDS-8 2215:WDS-6 2210:WDS-5 2195:WDS-2 2190:WDS-1 2169:WDG-5 2154:WDG-4 2129:Goods 2111:WDP-4 2101:WDP-1 2085:WDM-7 2080:WDM-6 2075:WDM-4 2058:WDM-3 2048:WDM-2 2043:WDM-1 1789:Steam 1687:WDM3D 1468:(PDF) 1461:(PDF) 1396:(PDF) 1389:(PDF) 1368:(PDF) 1329:(PDF) 1322:(PDF) 1305:Notes 1082:Erode 925:Kurla 757:WDP-4 753:WDP-4 730:Erode 645:11590 641:11101 490:18:65 350:range 258:Width 179:Gauge 172:Co-Co 100:Model 2065:(3C) 1725:OCLC 1715:ISBN 1677:File 1660:2020 1625:2020 1600:link 1586:2020 1490:link 1476:2019 1444:2019 1418:link 1404:2019 1351:link 1337:2019 1294:FAQs 1254:420 1037:MLDT 899:Pune 882:Name 879:Zone 719:and 711:and 695:and 593:3.23 466:bore 425:BHEL 412:BHEL 399:BHEL 79:RDSO 1931:AWC 1926:CWD 1921:AWE 1916:AWD 1244:34 1226:31 1223:SBI 1210:RTM 1192:KJM 1159:14 1156:MLY 1133:25 1112:ERS 1102:18 1099:GOC 1089:10 1071:13 1068:ABR 1053:13 1050:NGC 1040:15 1022:15 1019:IZN 1004:27 986:72 983:LKO 968:37 965:SPJ 950:16 932:20 929:CLA 919:17 906:19 844:M10 362:V16 348:RPM 159:UIC 124:490 93:PLW 89:BLW 75:BLW 2599:: 2158:4D 2148:3D 2144:3C 2140:3B 2119:4D 2117:, 2115:4B 1987:WW 1982:WV 1977:WU 1972:WT 1967:WM 1952:WG 1947:WP 1900:XS 1895:XT 1890:XP 1885:XH 1880:XG 1875:XF 1870:XE 1865:XD 1860:XC 1855:XB 1850:XA 1834:HT 1829:HG 1824:AP 1819:HP 1814:PT 1809:SG 1804:SP 1723:. 1616:. 1596:}} 1592:{{ 1577:. 1486:}} 1482:{{ 1414:}} 1410:{{ 1370:. 1347:}} 1343:{{ 1213:7 1195:4 1177:1 1146:4 1115:8 903:PA 732:. 643:- 517:, 513:, 468:x 453:16 375:GE 128:20 91:, 77:, 2160:) 2156:( 2150:) 2146:, 2142:, 2138:( 2121:) 2113:( 1770:e 1763:t 1756:v 1731:. 1662:. 1627:. 1602:) 1588:. 1492:) 1478:. 1446:. 1420:) 1406:. 1374:. 1353:) 1339:. 500:2 192:) 188:( 126:+ 20:)

Index

WDM-3D

Diesel-electric
BLW
RDSO
BLW
PLW
DL560C
UIC
Co-Co
Gauge
1,676 mm
Bogies
Wheelbase
Axle load
Diesel
Prime mover
ALCO 251-B
RPM
V16
Four-stroke diesel engine
GE
Turbo-Supercharged
Alternator
BHEL
Generator
BHEL
Traction motors
BHEL
Cylinders

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