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574:. In-house production was chosen to preemptively address material shortages and personnel issues (any possible labor unrest could be more easily controlled by the D&RGW). Burnham Shops was assisted in the construction of the class by the Stearn-Rogers Manufacturing Company. The class recycled components from
698:
to improve efficiency by increasing heating surface area in the firebox. It was a test case applying these boiler improvements, which were common on standard-gauge locomotives, to a narrow-gauge locomotive. After sitting in a static display for decades, in August 2014, locomotive #491 was restored to
715:
for #486. This has led to something of a stigma being attached to the locomotives among enthusiasts, believing that the issues suffered by #497 were the result of a fault in the locomotive's design, rather than an isolated issue. However, the problems experienced by the
Durango & Silverton were
706:
Although the K-37s are actually about 2% lighter than the K-36s, they were erroneously thought to be much harder on track. The
Durango & Silverton originally owned four of the surviving K-37s, but they found that the #497 was too hard on their track and did not handle the Animas Canyon section
719:
On
February 16, 2022, the Cumbres & Toltec announced that #492 and #497 are both being evaluated to see which one was more fit for restoration to operating condition. After careful evaluation, the Cumbres & Toltec chose #492 for the restoration instead of #497. On August 9, 2023, #492 was
755:
and have it restored as well. However, after plans with the museum fell through, the D&SNG decided to undertake the restoration of #493 themselves. In the restoration process of #493 however, the locomotive was converted to oil-burning, making it the very first former D&RGW
591:
The locomotives are of outside-frame design, with the driving wheels placed between the two chassis frames which support the boiler, but with the cylinders, driving rods, counterweights and valve gear on the outside. This general arrangement is shared with the earlier
582:
locomotives used on the Rio Grande's standard gauge; re-using the boiler, tender and other components salvaged from the C-41's. The engine components (particularly the frame, valve gear, wheels, and counterweights) were constructed new for the locomotive class.
720:
moved off of its storage track and moved into the Chama roundhouse in preparation for the restoration. Currently, the
Cumbres & Toltec is restoring 492 as a coal-burning locomotive and will also be temporarily using #497's tender behind #492.
764:. On January 24, 2020, #493 moved under its own power for the first time in over 50 years, making it the first D&RGW K-37 class since #497 to run on the D&SNG. #493 then ran its first revenue run on the D&SNG on February 14, 2020.
740:
eliminates the source of cinders. This will allow the engines to run when drought conditions would warrant replacing a steam engine with a diesel locomotive to decrease the probability of ignition.
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and operated for the first time in public on
Saturday, September 13, 2014 at the annual Thomas the Tank Engine event. A ticketed "roll out" was hosted on August 29, 2014.
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from 1992 to 2002. In late 2002, #497 was taken out of service, and as of 2021, it currently sits inside the Chama roundhouse awaiting a future overhaul.
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and K-37s. Three of the K-37s, Nos. 491, 493 and 499, were equipped with steam heat and signal lines so they could haul passenger trains like the
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Nos. 491 and 493 operational, No. 497 awaiting overhaul, No. 492 undergoing restoration, No. 498 in storage, Nos. 494, 495 and 499 on display
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Steam locomotives are a popular and attractive element of heritage railroads like the D&SNG and the C&TSRR. Burning
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due to mechanical complications with #497's trailing truck caused by a 1960 wreck, and not universal to all K-37s.
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On May 4, 2016, the D&SNG, in cooperation with the
Colorado Railroad Museum, transported locomotive #493 to
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of the route as well as they would have hoped. Consequently, they traded #497 to the
Cumbres & Toltec for
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Eight (Nos. 491, 492, 493, 494, 495, 497, 498 and 499) preserved, two (Nos. 490 and 496) scrapped
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1147:. Denver: The Denver and Rio Grande Western Railroad System. April 1, 1923. p. 94.
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After careful evaluation of both 497 and 492, the latter was chosen for restoration.
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Armitage, Alan B. (October 1979). "Denver & Rio Grande
Western's K-37 MIkados".
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Currently being restored to operating condition, as it was chosen instead of 497.
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Restored to operating condition and made its first public run on August 30, 2014.
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branch. However, the
Durango & Silverton has since been upgraded to handle
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1270:"Durango & Silverton looks to oil firing, diesels | Trains Magazine"
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1234:"Denver & Rio Grande Western Railroad Locomotive No. 491 | History Colo"
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Official Roster No. 11 of the Denver and Rio Grande
Western Railroad System
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to be converted to oil-burning instead of coal-burning, the next one being
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Restored to operating condition on January 24, 2020 and converted to an
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tends to produce cinders, which can be a primary source of ignition for
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in 1985; ownership of the engine was transferred to the museum in 2013.
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for almost 20 years with the plan of having the museum transport it to
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Of the eight preserved K-37s, locomotive #497 has operated on both the
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The D&RGW operated #491 from 1928 to 1963, but in 1947 it added
24:
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330:
1211:
1358:"2014 Trip - Alamossa & South Along U.S. 285 - Franks-Focus"
1164:"Colorado State Register of Historic Properties Nomination Form"
1312:. Rio Grande Modeling & Historical Society. Archived from
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20 in × 24 in (508 mm × 610 mm)
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the locos were not permitted west of Gunnison or on the
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1212:"D&RGW K-37 Class Narrow Gauge Steam Locomotives"
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Narrow gauge steam locomotives of the United States
49:. Unsourced material may be challenged and removed.
1442:Denver and Rio Grande Western Railroad locomotives
1428:
135:D&RGW K-37 No. 491 on static display at the
566:. They were new steam locomotives built in the
1225:
1231:
885:Restoration work started on August 9, 2023.
677:Durango and Silverton Narrow Gauge Railroad
1286:. Steam Locomotive dot com. Archived from
1191:. Colorado Railroad Museum. September 2015
1284:"Denver & Rio Grande Western Mikados"
109:Learn how and when to remove this message
1310:"Denver & Rio Grande Western Roster"
1128:
1023:Restored to operating condition in 1984.
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16:Class of narrow gauge 2-8-2 locomotives
1467:Steam locomotives of the United States
1462:Railway locomotives introduced in 1902
1457:Railway locomotives introduced in 1928
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564:Denver and Rio Grande Western Railroad
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711:#482 and #499 to Royal Gorge Park in
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736:. Converting an engine from coal to
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124:Denver & Rio Grande Western K-37
47:adding citations to reliable sources
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13:
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1035:Taken out of service in late 2002.
685:Cumbres and Toltec Scenic Railroad
547:Denver and Rio Grande Western K-37
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310:Tender: 13.5 ft (4.1 m)
308:Engine: 13.3 ft (4.1 m)
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811:Scrapped between 1963 and 1964.
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1336:"Durango & Silverton Steam"
1250:from the original on 9 Aug 2022
1105:Traded to Royal Gorge Park for
628:. The locos also worked out of
454:Denver & Rio Grande Western
318:183,920 pounds (83,420 kg)
34:needs additional citations for
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1:
1133:. Milwaukee: Kalmbach: 70–73.
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683:from 1984 to 1991 and on the
578:-built Class 19 (later C-41)
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464:Cumbres & Toltec Scenic
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1169:. Colorado Railroad Museum
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292:41.1 ft (12.5 m)
264:44 in (1,118 mm)
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525:No. 493; January 24, 2020
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979:Currently on display in
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845:Colorado Railroad Museum
827:Colorado Railroad Museum
701:Colorado Railroad Museum
612:The locos worked out of
576:Baldwin Locomotive Works
469:Colorado Railroad Museum
274:28 in (711 mm)
253:28 in (711 mm)
137:Colorado Railroad Museum
1241:www.historycolorado.org
568:D&RGW Burnham Shops
497:Colorado and New Mexico
459:Durango & Silverton
284:29 ft (8.8 m)
170:D&RGW Burnham Shops
58:"Rio Grande class K-37"
1452:3 ft gauge locomotives
1041:inside the roundhouse.
570:as a near copy of the
329:(No. 493 converted to
604:Mikado type engines.
572:Rio Grande class K-36
1290:on 21 September 2010
1037:Currently stored in
622:Crested Butte Branch
521:No. 491; August 2014
43:improve this article
1477:Freight locomotives
1447:Baldwin locomotives
1406:www.trevorheath.com
1402:"Chama and Durango"
1316:on 22 November 2008
837:It was acquired by
774:
773:Locomotive details
414:Performance figures
1382:davesriogrande.net
1232:History Colorado.
997:Scrapped in 1955.
915:oil-burning engine
843:Then moved to the
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618:Gunnison, Colorado
1472:2-8-0 locomotives
1437:2-8-2 locomotives
1113:
1112:
747:after resting in
724:Conversion to Oil
689:Chama, New Mexico
681:Durango, Colorado
652:branch. Like the
630:Alamosa, Colorado
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839:History Colorado
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687:(C&TSRR) in
666:San Juan Express
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54:Find sources:
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32:This article
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1409:. Retrieved
1405:
1396:
1385:. Retrieved
1381:
1372:
1361:. Retrieved
1352:
1340:. Retrieved
1330:
1318:. Retrieved
1314:the original
1304:
1292:. Retrieved
1288:the original
1278:
1264:
1252:. Retrieved
1240:
1227:
1215:. Retrieved
1205:
1193:. Retrieved
1183:
1171:. Retrieved
1144:
1139:
1130:
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1107:K-36 No. 486
1031:K-36 No. 482
981:Antonito, CO
949:Antonito, CO
742:
727:
718:
705:
693:
674:
638:Cumbres Pass
611:
590:
567:
557:narrow-gauge
546:
544:
424:37,100
397:Train brakes
249:Leading dia.
105:
96:
86:
79:
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53:
41:Please help
36:verification
33:
1378:"K-37 #495"
1342:12 February
1320:12 February
1294:12 February
1073:Durango, CO
620:and up the
532:Disposition
461:(D&SNG)
456:(D&RGW)
380:Walschaerts
345:(1.38
315:Loco weight
241:914 mm
153:References:
1431:Categories
1411:2018-05-04
1387:2018-05-04
1363:2018-05-04
1338:. DRGW.net
1116:References
1093:Canon City
1071:Stored in
1025:Traded to
877:Stored in
831:Golden, CO
778:Class K-37
713:Canon City
650:Farmington
644:and on to
471:(C.R.R.M.)
466:(C&TS)
428:(165
387:Loco brake
375:Valve gear
178:1928, 1930
175:Build date
159:Power type
99:April 2023
69:newspapers
1217:August 9,
1195:August 9,
1173:August 9,
1101:D&SNG
1067:D&SNG
1061:D&SNG
1039:Chama, NM
1019:D&SNG
909:D&SNG
907:Moved to
901:D&SNG
879:Chama, NM
749:Silverton
734:wildfires
658:Silverton
510:Preserved
450:Operators
355:Cylinders
341:200
323:Fuel type
280:Wheelbase
237:3 ft
1245:Archived
1027:C&TS
1013:C&TS
977:in 1970.
975:C&TS
967:C&TS
945:in 1970.
943:C&TS
935:C&TS
875:in 1970.
873:C&TS
867:C&TS
841:in 1979.
648:and the
634:Antonito
518:Restored
226:1′D1′ h2
200:
1254:5 March
786:Current
780:Number
745:Durango
670:Shavano
646:Durango
608:History
502:Retired
489:490–499
486:Numbers
167:Builder
83:scholar
791:Notes
788:Owner
783:Image
768:Roster
587:Design
494:Locale
445:Career
305:Height
289:Length
259:Driver
85:
78:
71:
64:
56:
1248:(PDF)
1237:(PDF)
1167:(PDF)
758:2-8-2
662:K-36s
654:K-36s
642:Chama
636:over
580:2-8-0
552:2-8-2
477:Class
297:Width
232:Gauge
213:2-8-2
207:Whyte
162:Steam
90:JSTOR
76:books
1344:2010
1322:2010
1296:2010
1256:2023
1219:2022
1197:2022
1175:2022
1080:499
1050:498
1029:for
1002:497
994:n/a
988:496
956:495
924:494
890:493
856:492
816:491
806:n/a
796:490
730:coal
709:K-36
668:and
602:K-36
600:and
598:K-28
594:K-27
545:The
327:Coal
261:dia.
62:news
1099:To
1065:To
1017:To
973:To
941:To
871:To
738:oil
640:to
632:to
616:to
426:lbf
401:Air
391:Air
359:Two
347:MPa
343:psi
331:oil
222:UIC
45:by
1433::
1404:.
1380:.
1243:.
1239:.
1153:^
1075:.
991:–
983:.
951:.
829:,
672:.
596:,
430:kN
1414:.
1390:.
1366:.
1346:.
1324:.
1298:.
1272:.
1258:.
1221:.
1199:.
1177:.
917:.
881:.
432:)
349:)
333:)
243:)
239:(
112:)
106:(
101:)
97:(
87:·
80:·
73:·
66:·
39:.
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