Knowledge (XXG)

DR Class 99.77-79

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designed in the 1930s. From 1952 to 1957 a total of 26 locomotives were delivered. They were given running numbers 99 771 to 99 794 and engines 12 "Patriot" & 13 "Pionier" (these 2 locomotives were built for the Mansfeld Mining Railway at Benndorf). The other 24 engines were homed in the
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and transported off to the east. That led to a permanent shortage of locomotives on the Saxon narrow gauge lines, not least because the transportation requirement had grown considerably due to the mining of uranium in the
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Today the engines continue to work a lot of the traffic on their original routes. Additionally some of these locomotives may also be found today on the island of
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Görlitz-Schlauroth, built new frames and boilers for 14 locomotives in 1991/1992 in order to keep the engines in working order.
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After the Second World War quite a number of the most modern and most powerful narrow gauge locomotives were confiscated by the
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In accordance with modern construction principles of the time, the locomotives are of a fully welded design.
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After the closure of the Thum network in the early 1970s the locomotives were transferred to the
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were tasked with the development of a new locomotive in 1950. This was based heavily on the
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In the late 1980s the first locomotives had to be withdrawn due to serious damage to the
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and Zittau network, in order to alleviate the shortage of engines there.
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The vehicles can carry up to 5.8 m of water and 3.6 tonnes of coal.
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List of East German Deutsche Reichsbahn locomotives and railbuses
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Dampflokomotiven deutscher Eisenbahnen, Baureihe 97–99 (EFA 1.4)
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firing, the grate area was increased compared with that of the
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In contrast to their predecessors the machines were given a
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5.8 m (1,280 imp gal; 1,530 US gal)
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Die sächsische VII K. Die Geschichte der Baureihe 99.73–79
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Die Baureihe 99.73–79 – Einheitslok auf schmaler Spur
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from 1995 onwards. However, on the reunification of
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Egglham: Bufe-Fachbuchverlag. 1332:Wagner, Wolfram; Scheffler, Reiner (1993). 1392: 1378: 1370: 899: 860: 600:3.6 t (3.5 long tons; 4.0 short tons) 556:8.6 t (8.5 long tons; 9.5 short tons) 163: 110: 74:Learn how and when to remove this message 1294:Ebel, Jürgen U.; Seiler, Bernd (1994). 1213: 1161:The first area of operations were the 1645:Railway locomotives introduced in 1952 923:from 1970: 99 1771 – 99 1794 880:600 PS (441 kW; 592 hp) 85: 7: 1235:99 782 of the Rügen island railway ( 663:3,200 mm (10 ft 6 in) 1253:99 783 in regular service with RüKB 1223:99 781 in regular service with RüKB 1181:-Hainsberg–Kipsdorf spa town line ( 1298:(in German). Freiburg: EK-Verlag. 624:2.57 m (27.7 sq ft) 14: 772:28.8 m (310 sq ft) 755:76.9 m (828 sq ft) 747:31.8 m (342 sq ft) 739:36.6 m (394 sq ft) 192: 1600:Deutsche Reichsbahn-Gesellschaft 1454: 1258: 1246: 1228: 1216: 792:450 mm × 400 mm ( 94: 20: 965:locomotives with a 750 mm 731:8.5 m (91 sq ft) 1: 1630:Steam locomotives of Germany 1609:DRG steam locomotive classes 1074:Reichsbahnausbesserungswerk 989:or newly designed engines. 510:10,000 mm (32 ft 489:11,300 mm (37 ft 1681: 1016:VEB Lokomotivbau Karl Marx 872:30 km/h (19 mph) 752: • Total surface 532:3,550 mm (11 ft 486: • Over couplers 458:7,600 mm (24 ft 131:VEB Lokomotivbau Karl Marx 1452: 1203:Rügenschen Schmalspurbahn 1183:Weisseritz Valley Railway 921:99 771 – 99 794 912:Deutsche Reichsbahn (GDR) 898: 859: 769: • Heating area 641:2,100 mm (6 ft 432:1,800 mm (5 ft 414:1,000 mm (3 ft 397:1,000 mm (3 ft 380:1,000 mm (3 ft 363:1,000 mm (3 ft 346:1,800 mm (5 ft 338: • Axle spacing 162: 109: 93: 1650:750 mm gauge locomotives 1068:, all such plans in the 690: • Large tubes 668: • Small tubes 660: • Tube plates 29:This article includes a 831:Heusinger (Walschaerts) 621: • Grate area 308:550 mm (1 ft 284:800 mm (2 ft 259:550 mm (1 ft 58:more precise citations. 1313:Endisch, Dirk (2001). 1117:, and operates there. 1098:Rügenschen Kleinbahnen 977:standard locomotives ( 1655:1′E1′ h2t locomotives 1198:Lößnitzgrund Railway 1001:occupying powers as 949:were ordered by the 728: • Firebox 1660:Freight locomotives 1635:2-10-2T locomotives 1541:Deutsche Reichsbahn 1488:Deutsche Reichsbahn 1465:Deutsche Bundesbahn 1413:Deutsche Bundesbahn 1175:Fichtelberg Railway 1014:. As a result, the 980:Einheitslokomotiven 951:Deutsche Reichsbahn 864:Performance figures 455: • Engine 100:99 789 on the 1315:Bauureihe 99.77–79 1265:99 784 of the RüKB 1121:Technical features 1062:diesel locomotives 1035:Bahnbetriebswerken 1026:DRG Class 99.73–76 1021:Einheitslokomotive 975:DRG Class 99.73–76 851:no longer provided 744: • Flues 736: • Tubes 638: • Pitch 31:list of references 1617: 1616: 1471:(rebuild) classes 1405:steam locomotives 1165:network with the 1111:Baden-Württemberg 1031:locomotive depots 986:Neubaulokomotiven 947:DR Class 99.77–79 943:steam locomotives 939: 938: 935: 934: 894: 893: 855: 854: 707: in), 28 off 685: in), 92 off 158: 157: 89:DR Class 99.77–79 84: 83: 76: 1672: 1458: 1394: 1387: 1380: 1371: 1366: 1347: 1328: 1309: 1262: 1250: 1232: 1220: 1173:spa town route ( 1136:are housed in a 1113:, the so-called 1054:locomotive frame 1045:, Meiningen and 959:Second World War 900: 861: 819: 818: 814: 811: 806: in ×  805: 804: 800: 797: 720:Heating surface: 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630: 563:Adhesive weight 561: 542: 538: 535: 533: 520: 516: 513: 511: 506:Over headstocks 495: 491: 490: 478: 468: 464: 461: 459: 450: 442: 438: 435: 433: 424: 420: 417: 415: 407: 403: 400: 398: 390: 386: 383: 381: 373: 369: 366: 364: 356: 352: 349: 347: 339: 318: 314: 311: 309: 294: 290: 287: 285: 269: 265: 262: 260: 243: 239: 236: 234: 233:2 ft  232: 228: 187: 173: 149: 114:Type and origin 105: 104:in January 2013 102:Fichtelbergbahn 80: 69: 63: 60: 49: 35:related reading 25: 21: 12: 11: 5: 1678: 1676: 1668: 1667: 1662: 1657: 1652: 1647: 1642: 1637: 1632: 1622: 1621: 1615: 1614: 1612: 1611: 1605: 1603: 1596: 1595: 1593: 1592: 1587: 1582: 1577: 1569: 1564: 1556: 1550: 1548: 1537: 1536: 1534: 1533: 1528: 1523: 1518: 1513: 1508: 1503: 1497: 1495: 1484: 1483: 1481: 1480: 1474: 1472: 1461: 1460: 1453: 1451: 1449: 1448: 1443: 1438: 1433: 1428: 1422: 1420: 1409: 1408: 1399: 1397: 1396: 1389: 1382: 1374: 1368: 1367: 1361: 1348: 1342: 1329: 1323: 1310: 1304: 1289: 1286: 1285: 1284: 1279: 1272: 1269: 1268: 1267: 1264: 1257: 1255: 1252: 1245: 1243: 1234: 1227: 1225: 1222: 1215: 1211: 1208: 1171:Oberwiesenthal 1158: 1155: 1134:carrying axles 1122: 1119: 994: 991: 937: 936: 933: 932: 929: 925: 924: 919: 915: 914: 909: 905: 904: 896: 895: 892: 891: 888: 882: 881: 878: 874: 873: 870: 866: 865: 857: 856: 853: 852: 840: 834: 833: 828: 822: 821: 790: 784: 783: 780: 774: 773: 770: 766: 765: 762: 757: 756: 753: 749: 748: 745: 741: 740: 737: 733: 732: 729: 725: 724: 721: 717: 716: 713: 709: 708: 691: 687: 686: 671:44.5 mm ( 669: 665: 664: 661: 657: 656: 639: 635: 634: 631: 626: 625: 622: 618: 617: 614: 610: 609: 606: 602: 601: 598: 594: 593: 590: 586: 585: 582: 581:Service weight 578: 577: 574: 570: 569: 566: 558: 557: 554: 548: 547: 530: 526: 525: 508: 501: 500: 487: 483: 482: 479: 474: 473: 456: 452: 451: 449: 448: 429: 412: 395: 378: 361: 343: 341: 340:(Asymmetrical) 335: 334: 331: 324: 323: 306: 300: 299: 282: 275: 274: 257: 251: 250: 226: 220: 219: 216: 209: 208: 205: 198: 197: 185: 178: 177: 174: 172:Configuration: 169: 168: 167:Specifications 160: 159: 156: 155: 152: 150:Total produced 146: 145: 142: 138: 137: 128: 124: 123: 120: 116: 115: 107: 106: 99: 91: 90: 82: 81: 39:external links 28: 26: 19: 13: 10: 9: 6: 4: 3: 2: 1677: 1666: 1663: 1661: 1658: 1656: 1653: 1651: 1648: 1646: 1643: 1641: 1638: 1636: 1633: 1631: 1628: 1627: 1625: 1610: 1607: 1606: 1604: 1602:(DRG) classes 1601: 1597: 1591: 1588: 1586: 1583: 1581: 1578: 1576: 1575: 1570: 1568: 1565: 1563: 1562: 1557: 1555: 1552: 1551: 1549: 1546: 1542: 1538: 1532: 1529: 1527: 1524: 1522: 1519: 1517: 1514: 1512: 1509: 1507: 1504: 1502: 1499: 1498: 1496: 1493: 1489: 1485: 1479: 1476: 1475: 1473: 1470: 1466: 1462: 1457: 1447: 1444: 1442: 1439: 1437: 1434: 1432: 1429: 1427: 1424: 1423: 1421: 1418: 1414: 1410: 1406: 1403: 1395: 1390: 1388: 1383: 1381: 1376: 1375: 1372: 1364: 1362:3-87094-087-5 1358: 1354: 1349: 1345: 1343:3-922138-47-0 1339: 1335: 1330: 1326: 1324:3-613-71178-8 1320: 1316: 1311: 1307: 1305:3-88255-119-4 1301: 1297: 1292: 1291: 1287: 1283: 1280: 1278: 1275: 1274: 1270: 1261: 1256: 1249: 1244: 1240: 1239: 1231: 1226: 1219: 1214: 1209: 1207: 1205: 1204: 1199: 1194: 1192: 1188: 1184: 1180: 1176: 1172: 1168: 1164: 1156: 1154: 1151: 1149: 1148: 1143: 1139: 1135: 1131: 1126: 1120: 1118: 1116: 1112: 1108: 1104: 1100: 1099: 1094: 1089: 1087: 1083: 1082:RAW Meiningen 1079: 1075: 1071: 1067: 1063: 1059: 1055: 1050: 1048: 1044: 1040: 1036: 1032: 1027: 1023: 1022: 1017: 1013: 1009: 1008:Ore Mountains 1004: 1000: 992: 990: 988: 987: 982: 981: 976: 972: 968: 964: 960: 956: 952: 948: 944: 930: 926: 920: 916: 913: 910: 906: 901: 897: 889: 887: 883: 879: 875: 871: 869:Maximum speed 867: 862: 858: 850: 845: 841: 839: 835: 832: 829: 827: 823: 791: 789: 788:Cylinder size 785: 781: 779: 775: 771: 767: 763: 758: 754: 750: 746: 742: 738: 734: 730: 726: 722: 718: 714: 710: 693:121 mm ( 692: 688: 670: 666: 662: 658: 640: 636: 632: 627: 623: 619: 615: 611: 607: 603: 599: 597:Fuel capacity 595: 591: 587: 583: 579: 575: 571: 567: 564: 559: 555: 553: 549: 531: 527: 509: 507: 504: •  502: 488: 484: 480: 475: 457: 453: 447: 430: 413: 396: 379: 362: 345: 344: 342: 336: 332: 329: 325: 307: 305: 304:Trailing dia. 301: 283: 280: 276: 258: 256: 252: 227: 225: 221: 217: 215: 212: •  210: 206: 204: 201: •  199: 195: 190: 186: 184: 181: •  179: 175: 170: 165: 161: 153: 147: 143: 139: 136: 132: 129: 125: 121: 117: 112: 108: 103: 97: 92: 87: 78: 75: 67: 64:December 2016 57: 53: 47: 46: 40: 36: 32: 27: 18: 17: 1573: 1560: 1530: 1468: 1352: 1333: 1314: 1295: 1236: 1201: 1195: 1160: 1152: 1145: 1138:Bissel bogie 1127: 1124: 1114: 1107:Ochsenhausen 1096: 1090: 1085: 1077: 1073: 1051: 1038: 1034: 1019: 996: 984: 978: 963:narrow gauge 961:. They were 955:East Germany 946: 940: 844:vacuum brake 838:Train brakes 782:Two, outside 760:Superheater: 573:Empty weight 431: 255:Leading dia. 101: 70: 61: 50:Please help 42: 1400:Classes of 1163:Thumer Netz 1147:Einheitslok 1130:plate frame 446: in) = 428: in) + 411: in) + 394: in) + 377: in) + 360: in) + 229:750 mm 56:introducing 1624:Categories 1288:References 1177:) and the 1157:Operations 1142:brown coal 1103:Warthausen 967:rail gauge 957:after the 826:Valve gear 605:Water cap. 141:Build date 135:Babelsberg 119:Power type 1492:Neubaulok 1417:Neubaulok 1282:Neubaulok 1191:Trusebahn 1187:Thuringia 1047:Wilsdruff 1012:Wismut AG 931:from 1976 908:Operators 820: in) 778:Cylinders 655: in) 589:Fuel type 552:Axle load 546: in) 524: in) 499: in) 472: in) 328:Wheelbase 322: in) 298: in) 273: in) 207:1′E1′ h2t 144:1952–1956 1580:50.35–37 1531:99.77–79 1526:99.23–24 1469:Umbaulok 1271:See also 764:​ 723:​ 633:​ 616:​ 613:Firebox: 481:​ 333:​ 247: in 176:​ 1547:classes 1545:Rekolok 1494:classes 1419:classes 1210:Gallery 1189:on the 1179:Freital 1066:Germany 993:History 928:Retired 918:Numbers 815:⁄ 801:⁄ 702:⁄ 680:⁄ 650:⁄ 629:Boiler: 541:⁄ 519:⁄ 494:⁄ 477:Length: 467:⁄ 441:⁄ 423:⁄ 406:⁄ 389:⁄ 372:⁄ 355:⁄ 317:⁄ 293:⁄ 268:⁄ 242:⁄ 127:Builder 52:improve 1559:03.10 1402:German 1359:  1340:  1321:  1302:  1115:Öchsle 1058:boiler 999:Soviet 971:Saxony 903:Career 842:Hardy 529:Height 279:Driver 218:K 57.9 214:German 189:2-10-2 1590:58.30 1585:52.80 1543:(DR) 1521:83.10 1516:65.10 1511:50.40 1506:25.10 1501:23.10 1490:(DR) 1478:78.10 1467:(DB) 1415:(DB) 1093:Rügen 1041:) of 224:Gauge 183:Whyte 122:Steam 37:, or 1574:Reko 1561:Reko 1554:01.5 1357:ISBN 1338:ISBN 1319:ISBN 1300:ISBN 1238:RüKB 1084:and 1056:and 1043:Thum 941:The 592:Coal 281:dia. 1572:41 1109:in 1105:to 1086:RAW 1078:RAW 1076:or 1070:GDR 1037:or 1024:of 953:in 945:of 203:UIC 1626:: 1567:22 1446:82 1441:66 1436:65 1431:23 1426:10 1193:. 1150:. 1049:. 1039:Bw 808:15 803:16 799:11 794:17 643:10 460:11 434:10 348:10 154:26 133:, 41:, 33:, 1393:e 1386:t 1379:v 1365:. 1346:. 1327:. 1308:. 1241:) 1033:( 846:, 817:4 813:3 810:+ 796:+ 704:4 700:3 697:+ 695:4 682:4 678:3 675:+ 673:1 652:8 648:5 645:+ 543:4 539:3 536:+ 534:7 521:4 517:3 514:+ 512:9 496:8 492:7 469:4 465:1 462:+ 443:8 439:7 436:+ 425:8 421:3 418:+ 416:3 408:8 404:3 401:+ 399:3 391:8 387:3 384:+ 382:3 374:8 370:3 367:+ 365:3 357:8 353:7 350:+ 330:: 319:8 315:5 312:+ 310:9 295:2 291:1 288:+ 286:7 270:8 266:5 263:+ 261:9 249:) 244:2 240:1 237:+ 235:5 231:( 193:T 77:) 71:( 66:) 62:( 48:.

Index

list of references
related reading
external links
inline citations
improve
introducing
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VEB Lokomotivbau Karl Marx
Babelsberg
Whyte
2-10-2
T
UIC
German
Gauge
Leading dia.
Driver
Trailing dia.
Wheelbase
Over headstocks
Axle load
Adhesive weight
Cylinders
Cylinder size
Valve gear
Heusinger (Walschaerts)
Train brakes
vacuum brake
Heberlein brake

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