Crystal River / Denver & Rio Grande / Denver & Rio Grande Western / Denver & Salt Lake / Rio Grande Southern / Rio Grande Western 2-8-0 "Consolidation" Locomotives of the USA


Class Details by Steve Llanso of Sweat House Media

Class 113/C-28S (Locobase 1453)

http://www.sound.net/~drgw/history/drg2.htm, data from D&RGW 12 -1937 Folio 10 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. See also DeGolyer, Volume 14, p. 43, Volume 15, p.206, and Volume 16, p. 109. See also Bruce A. Metcalf's Colorado Consols web site at http://home.comcast.net/~brmetcalf/rr/consol/consol8.htm#C280. Works numbers were:

1887

8950, 8953-8954, 8958-8959 in December

1888

9088-9090, 9093-9094 in March; 9617, 9619-9620, 9626 in November

1889

9745, 9747, 9751-9752, 9754-9755 in January; 10395-10398, 10401 in October; 10480-10481 in December

1890

11202, 11207, 11222-11223, 11229 in September; 11236-11239, 11243-11245, 11249, 11251-11252, 11254-11263, 11271, 11279. 11282 in October

1891

11904-11905, 11908, 11911-11912, 11924 in May; 12005-12006 in June; 12013, 12037-12038

12043, 12050, 12058-12060, 12064, 12073, 12087, 12095 in July.

Large group of very small standard-gauge Consolidations that ran on light track until the late 1930s in some instances. (According to Metcalf, the class average was 42 years of service.) The original Baldwin specifications called for 258 boiler tubes, which would have yielded 1,902 sq ft (176.75 sq m). (See Locobase 7366 for the Denver,Texas & Fort Worth Consolidations that retained 258 tubes for their careers.) The last order (for road numbers 582-629) specified 241 tubes. The tube count shown in Locobase's specs are of much later vintage.

The estimated weights were 107,000 lb (48,534 kg) on the drivers and 120,000 lb (54,432 kg) for the engine, but later penned-in figures labeled "actual" showed weights very close to those shown above. Unlike the C-26s, which came over from the Rio Grande Western (Locobase 3045), the C-28s never mounted taller drivers.

Engine numbers reflect D&RGW renumbering in 1924.

As befit the size of the class, retirements occurred over a two-decade span. Some were sold to other railroads. Four -- 633, 683, 688, 657 -- went to the San Luis Valley Southern as 104, 106, 105, and 103, respectively, a southern Colorado railroad that measured about 31 miles.

668 and 661 were sold in 1916 to the Indian Valley -- a shortline in Plumas County, California -- as 2 & 1, respectively, and were the only locomotives on this line during its 20-year lifetime. They were scrapped in December 1939 when the railroad closed.

597 to the Deep Creek Railroad (46 miles from Wendover to Gold Hill, Utah); 621 to the Colorado Kansas Railway as #2.

581 served the Colorado & Southeastern as their #1 from its sale in June 1903; they didn't need much more as the line consisted of two discontinuous pieces that together measured 7.6 miles.


Class 56N (Locobase 1452)

Data from http://www.sound.net/~drgw/history/drg2.htm . See also Bruce A.Metcalf's Colorado Consols website and See also Baldwin Locomotive Works Specification for Engines, as digitized by the DeGolyer Library of Southern Methodist University, Volume 8 p. 152. Works numbers were 4191-4192 in October 1877;

4382, 4384-4385 in July 1878 and 4504-4505 in December;

4809 in October 1879;

4974, 4976, 4981, 4984-4986 in February 1880; 4990, 4992, 5002, 5006, 5008, 5011, 5018, 5021-5023 in March; 5039-5041, 5051, 5069 in April; 5096, 5098, 5102-5103 in May; 5132-5133, 5136-5138, 5156, 5164, 5166 in June; 5184-5185, 5200 in July; 5225-5226 in August; 5258 in September; 5373-5374 in November; and 5423 in December.

(Note: Works numbers 4618, 4621-4623 in April 1879 were built for the Rio Grande but delivered to the Silver City Deming & Pacific Railroad.)

The locomotives' names and road numbers were:

Mosca(2nd) 24, Hardscrabble 25, Old Baldy 30, Dolores 31, Kit Carson 32, Silver Cliff 33, Royal Gorge 34, Piedra 37, Texas Creek 44, Mojanda 45, Bandito 46, Current Creek 48, Gold Town 47, Badger 49, South Arkansas 51, Crestones 50, Music Pass 52, Cottonwood 53, Ruby Camp 54, Tomichi 55, Buffalo Peaks 56, Chalk Creek 57, Fryer Hill 58, Hoosier 59, Mosquito Gulch 60, La Jara 61, San Antonio 62, Mount Aggasiz 63, Tres Piedras 64, San Cristobal 65, Bristol Head 66, Weminuche 67, Vermego 68 (Vermejo), Arroya Honda 69, Sierra Madre 70, Pacific Slope 71(1st), Piedra 72, Sneffels 73, Bill Williams 84, Hermano 74, Uncompahagre 75, U S Mountain 76, Rinconida 77, Chico 80, Sandia 78, La Plata 79, Puerco 81, Colo-Chiquito 82, and Sera La Sal 83

Large class of Consolidations that operated for many years on the narrow gauge lines of the Denver & Rio Grande. By 1904, 33 of the original had seen boiler pressure increase to 140 psi and had larger, 37" drivers. The combination increased tractive effort to 13,025 lb.

Piedra, Sneffels, and US Mountain (72, 73, and 76) were sold in February 1900 to Morenci Southern Railway as its 1-3.


Class 60 /B-4-D-R (Locobase 11797)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 11, p. 33. Works numbers 5991, 5995-5996, 5998, 6000-6003, 6011-6014, 6024, 6028 in January 1882; 6030-6032, 6037, 6048-6049, 6051, 6057 in February; 6070-6071, 6073, 6077, 6095, 6097, 6109-6110 in March; 6134, 6140, 6145-6146 in April.

See Locobase 1462 for a description of this large class, which included 30 from Grant Locomotive Works.

283 (Baldwin works 6057) arrived on the Nevada County Narrow Gauge gold road in 1933, where it operated until the railroad closed in 1942. See http://www.ncngrrmuseum.org/pb/wp_c65d458f.html, last accessed 28 June 2012 for details.


Class 60N / C-16 (Locobase 1462)

Data from http://www.sound.net/~drgw/history/drg2.htm . See also Bruce A Metcalf's Colorado Consols web site. Additional data from D&RGW 12 - 1937 Folio 10 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. Also see http://www.drgw.net/info/index.php?n=Main.C-16, accessed 26 May 2006, which tells us that Grant delivered 30 of the class while Baldwin (then officially Burnham, Parry & Williams) supplied the other 66. For the slightly larger Baldwins of 1882, see Locobase 11797.

Miniature Consolidation class that operated in some cases until the early 1920s. 27 of these later received 37" drivers and increased boiler pressure to 145 psi, which yielded 14,990 lb of tractive effort. The data in this entry appear to reflect standardization on an updated boiler that was a bit smaller than the original, but tolerant of higher pressures.

Paul T. Warner, Baldwin historian, writing in the company history reproduced in Westing (1966), quotes the Denver & Rio Grande railway's General Superintendent on the Alamosa's performance on the steeply graded and curvy Garland extension. His comments show that a typical train would be 7-8 passenger cars and a baggage car netting 85-100 tons exclusive of engine and running at a scheduled time of 1:20 for the 14 1/2 mile run from Garland to Veta Pass. The first of this class, Baldwin works #4076, was the first 2-8-0 on the DR & G.


Class 70/C-19 (Locobase 15812)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 10, p. 196; and D&RGW 12 - 1937 and D&RGW 1 - 1952 diagram books supplied in May 2005 by Allen Stanley from his extensive Raildata collection. (Thanks to Chris Hohl for his 5 April 2015 email noting that the tender's fuel capacity was missing.) Works numbers were 5571-5572, 5603-5604 in April 1881, 5630-5633 in May; 5712, 5713, 5730-5731 in July; 5755-5756 in August; 5845, 5850, 5857, 5860 in October.

These little Consolidations had names when they entered service; in road number order, the names were Green River, Grand River, Shoshone, Roaring Forks, Sevier, Utah, Cumbres, Old Rube, Marshall Pass, Red Cliff (later Red Buttes), Treasury Mountain, and Quartz Creek.

Like the rest of the Rio Grande's narrow-gauge stud, these engines remained in service for decades.

Five of the class--401, 402, 405, 410, 411--were converted to standard-gauge running in the late 1880s, placed in the 74 class, and renumbered 803, 800, 804, 801, 802 respectively. After a decade or so, the Rio Grande returned the quintet to a 3-foot gauge in 1898 and 1900. The 803 became the 405, a number it retained until it was wrecked in July 1951 and scrapped two months later. 800 was renumbered 401 and the 801 and run until scrapped in January 1939. The RG sold the 804 in December 1926 to the Colorado & Southwestern as their 3. They sold the engine to the Montezuma Lumber Company in 1935, which renumbered it 346. The MLC sold the 346 to the Narrow Gauge Motel in 1950.

The 340 (formerly 400) and the 409 (formerly 802, and 411) were both sold to the Denver & Rio Grande Southern in 1916 and renumbered 40 and 41. Both wound up in tourist-railroad service when they were sold in August 195 to Ghost Town & Calico Railroad of the Knotts Berry Farm. In May 2014, David Crosby reported inTrains Magazine that both locomotives were still in operation. In the intervening years, the 41 was renamed for Walter K to commemorate the founder of the park.


Class 700 / 199 / C-40 (Locobase 12491)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 23, p.256. Works numbers were 18761-18762, 18778-18780 in March 1901.

The Rio Grande Western took delivery of 10 compounds in 1901. Five were produced by Richmond and used a 2-cylinder cross-compound system. The other five had Vauclain compound cylinders and 12"-diameter piston valves. They would be converted to siimple-expansion engines in 1907; see Locobase 1459.


Class B-4-70/C-17-70 (Locobase 6824)

Data from D&RGW 12 - 1937 Folio 10 and 1 - 1952 Folio L Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. See also DeGolyer, Volume 13, p. 218. Baldwin works numbers were 8563-8564 in May 1887, 8625-8626, 8629 and 8632 in June, (417-422 and ultimately 300, 303, 304, 301, 302 -- 420 was sold to the Rio Grande Southern in 1916.).

Smudges in the 1937 edition obscured the weight data; fortunately, the 1952 edition still preserved the information and it was clear enough to read.

The illustration shows a straight boiler with two domes shaped like classical urns, a slightly flared stack and big, oil-fired headlight. The small drivers were unevenly spaced with the space between the first two 15" smaller than the other gaps. The later specs show one less tube and 4 fewer square feet of evaporative heating surface area and the boiler pressure setting was raised to 145 psi (10 bar).

http://www.drgw.net/info/index.php?n=Main.C-17 (26 May 2006) says that two other locomotives grouped in the class were the ex-Utah Central #1 narrow-gauger, regauged in 1901, renumbered several times, converted back to narrow gauge in 1918 and ultimately numbered 305 in 1924. It was scrapped in 1927. Great Falls of Canada #3 had a similar history as it migrated to the Utah Central before 1898. It was ultimately scrapped in July 1935.


Class C-25-112 (Locobase 6818)

Data from D&RGW 12 - 1937 Folio 10 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. Works number was 21757 in March 1903.

The CR became the Crystal River & San Juan in 1910

Also the firebox's syphon (11 sq ft) was probably a later addition and was part of a rearrangement that deleted 3 of the original 202 tubes. The 103 became the property of the narrow-gauge component of the Denver & Rio Grande Western Railway in 1916.


Class C-26S (Locobase 3045)

Data from D&RGW 12 -1937 Folio 10 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. See also DeGolyer, Volume 15, p. 156. Bruce A. Metcalf's Colorado Consols web site. Works numbers were:

1889

10270, 10272-10273, 10278-10280, 10284-10286, 10289, 10294 in September; 10384-10388, 10390-10393 in October; 10468, 10471 in November; and 10475-10476, 10479 in December.

1891

11584-11585, 11591-11592 in February; 11668-11669 in March; 11771, 11777 in April; 12025-12026, 12033-12034, 12036 in July.

1892

12417, 12421, 12423, 12426, 12431 in January.

The Baldwin specs for the C28 class of Consolidations delivered by Baldwin to the Denver & Rio Grande (Locobase 1453) were essentially identical to the engines shown here. Most were produced with 46" drivers, but according to Metcalf, four were delivered with 47" drivers, which boosted tractive effort to 27,778 lb (Oddly, engine weight seems to decreased to 112,000 lb.). The class sorted itself into two subclasses, the first 25 being delivered with 258 tubes and the last 17 holding 239 tubes. (See Locobase 7366 for the Denver,Texas & Fort Worth Consolidations that retained 258 tubes for their careers.)

As the later Denver & Rio Grande Western diagram shows, all of the locomotives eventually adopted approximately the smaller count.

By Metcalf's calculations, these engines served their Colorado lines for an average of 36 years. As the Denver & Rio Grande Western diagram shows, the later boiler was pressed to a higher degree and the C-26s now rolled on 51" drivers.


Class C-38 (Locobase 3948)

This small batch of Consolidations was reported with little fanfare in a 1900 Railroad Gazette (Vol XXXII, No 36) article. Works numbers were 3006-3009 in 1900.

The review did comment that these locomotives "rank well up in the list of modern heavy freight locomotives", a mysterious claim given the relatively modest dimensions of this workmanlike design.

See the 1901 C-40 entry for a nearly identical cross-compound variant.


Class C-39 (Locobase 1458)

http://www.sound.net/~drgw/history/drg2.htm . Data from D&RGW 12 -1937 Folio 10 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. Works numbers were 26006, 26024, 26039, 26050, 26069-26070, 26102, 26108 in July 1905; 26154-26155 in August.

Similar to the 1902 C-38s (probably duplicates except for slightly higher boiler pressure). Retired over a decade from 1936-1946. Engine numbers reflect D&RGW renumbering in 1924.


Class C-40 (Locobase 1459)

Data from D&RGW 12 -1937 Folio 10 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. See also http://www.sound.net/~drgw/history/drg2.htm

Preceded the C-38/C-39 classes and had less square cylinder dimensions and a higher BP. A disposition oddity: 930-934 were built by Baldwin as 4-cylinder Vauclain compounds (see Locobase 12491), simpled in 1907, and retired in 1945-1946. 940-944 were built by Alco-Richmond as 2-cylinder cross-compounds in the same year; see Locobase 4126.

They were also simpled in 1907, but retired in 1936. Engine numbers reflect D&RGW renumbering in 1924.


Class C-40 (Locobase 4126)

Massive cross-compounds built for the RGW and profiled in Railroad Gazette 28 June 1901.

Very similar simple-expansion engines had been procured a year earlier. RG comments on the deceptive scale of these engines, their real bulk being apparent only when one compares it to an older design. Three items that had shrunk to accommodate the larger boiler in the loading gauge were the dome, the stack, and the headlight. What RG didn't predict was just how much smaller all three would get as engines grew still larger.

These cross-compounds had a very large cylinder volume, with the LP cylinder still not large enough to handle all the HP steam. Although it's not clear from Locobase's sources, these probably reverted to simple expansion in just a few years.


Class C-41 (Locobase 10761)

Data from Angus Sinclair, Twentieth Century Locomotives (New York: Railway and Locomotive Engineering, 1904), pp.572-574. Works numbers were 20519-20522, 20550, 20609-20611, 20640-20641, 20666-20668, 20695-20698, 20746-20753, 20829-20831, 20872-20873.

These large Vauclain compound Consolidations were bought to operate on the road between Denver, Pueblo, and Salida. The first leg covered 120 miles and surmounted the South Platte-Arkansas River divide. The next section consisted of an almost 1/2 mile(2,569 feet) rise over 67 miles (an average of 0.7%) from Pueblo to Palmer Lake, at which the railroad ascended another 2,039 feet in the next 53 miles (also 0.7%). And Pueblo to Salida was no less challenging, a continuous rise of 2,378 feet that included grades as steep as 1.42% and no less than 0.66%.

Baldwin's answer included the introduction of a wide firebox (but shallow) to the D & RG. The HP-LP cylinder groupings were fed by the same balanced piston valve.

These were later simpled and superheated; see Locobase 1461.


Class C-41-185 (Locobase 1460)

Data from 1937 D & RGW locomotive diagram book supplied in May 2005 by Allen Stanley from his extensive Raildata collection. See also DeGolyer, Volume 23, p. 122 and http://www.sound.net/~drgw/history/drg2.htm . (Thanks to Chris Hohl for his 10 April 2015 email noting the original BP, estimated weights, and tender capacities.) Works numbers were 18180-18182, 18204-18205, 18216-18218, 18236-18239 in September 1900; 18282-18284 in October 1900.

These Consolidations were delivered with boiler pressures set at 200 psi as shown. Resetting the working pressure to 190 psi raised the factor of adhesion. Also, the original specs included estimated weights of 168,000 lb on the drivers and 188,000 lb overall.

Most retired in the 1936-1939 years, but 956 hung on until 1946. 955 was converted to a 2-8-0T tank engine in 1937 and soldiered on until 1946. Engine numbers reflect D&RGW renumbering in 1924.


Class C-41-190-superheated (Locobase 1461)

Data from 1937 D & RGW locomotive diagram book supplied in May 2005 by Allen Stanley from his extensive Raildata collection.

These engines were built as 4-cylinder Vauclain compounds; see Locobase 10761.

They were modified in 1907 as simple-expansion locomotives with two 21"x30" cylinders and a TE of 40,893 lb. Engine numbers reflect D&RGW renumbering in 1924. They were disposed of in several ways. Most were scrapped over many years, others became 0-8-0s and still others were converted to narrow-gauge operation as K-37 2-8-2s. For these last, see Locobase 9466.

http://www.sound.net/~drgw/history/drg2.htm


Class C-42/C-38 (Locobase 1457)

Data from "Consolidations for the Rio Grande Western," Locomotive Engineering, Vol XIII, No 9 (September 1900), p. 395.

Consolidations that used 200 psi as originally delivered, but that was later reduced to 185. Retired in 1936-1948. Built in two sets 4 engines: the first 4 with 51" drivers and 41,785 TE, engine weight of 179,600 lb (970-973 as renumbered); the latter 4 (renumbered as 900-903) had the specified driver diameter and weight. Engine numbers reflect D&RGW renumbering in 1924.

http://www.sound.net/~drgw/history/drg2.htm gives an odd change to 19 x 24" cylinders for 900-903, which given the driver diameter, would have required a BP of 290 psi, much too much boiler pressure to have been likely for these mundane freight haulers.


Class C-44 (Locobase 11424)

Data from "Locomotive Building," The Railroad Gazette, Vol XLIII, No 21 (22 November 1907), p 636.

These smaller Consolidations were built for both the Denver & Rio Grande (48 of which 11311150 were produced in 1906, 1151-1178 in 1908) and Rio Grande Western (20 in 1906, numbered 1180-1199). They were used in Minturn-Malta (Tennessee Pass), Colorado through-freight service, averaging 942 freight ton-miles per locomotive mile in January 1917 between Denver and Salida (ruling grade 1.42%).

They were replaced in that service by the 2-10-2s described in a Railway Age Gazette article of 3 August 1917. Most of this class was superheated; see Locobase 430.


Class C-48 - superheated (Locobase 430)

Data from D&RGW 12 - 1937 Folio 10 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection.

After the C-44s (Locobase 11424) were displaced from Tennessee Pass service by the new 2-10-2s, they were not finished operating on the railroad.

In fact, many were superheated and fitted with 58 sq ft of thermic syphons. (Those that didn't have syphons had 212 2" tubes vs the 193 found in the syphon engines.) Heating surface data describes those 21 later fitted with thermic syphons. Somewhat unusually, the rebuild also meant that boiler pressure increased from 200 psi to 215 psi

As rebuilt, 20 had Baker gear, 28 had Walschaert. Thus reequipped, the class carried on until retirement in 1949-1955.


Class C2 / C-43 (Locobase 1463)

Data from 1952 D & RGW locomotive diagram book supplied in May 2005 by Allen Stanley from his extensive Raildata collection and http://www.sound.net/~drgw/history/drg2.htm

The original delivery of these Consolidations to the Denver & Salt Lake in August-September 1910 as saturated-steam locomotives is shown in Locobase 12803.

By the time the Denver & Rio Grande gained 9 of the engines in a 1947 merger, they had been superheated as shown in this entry. Soon after their acquisition, the D & RGW began retiring them in 1949 with the last retired in 1952.

Specifications by Steve Llanso of Sweat House Media
Class113/C-28S56N60 /B-4-D-R60N / C-1670/C-19
Locobase ID1453 1452 11797 1462 15812
RailroadDenver & Rio Grande (D&RGW)Denver & Rio Grande (D&RGW)Denver & Rio Grande (D&RGW)Denver & Rio Grande (D&RGW)Denver & Rio Grande (D&RGW)
CountryUSAUSAUSAUSAUSA
Whyte2-8-02-8-02-8-02-8-02-8-0
Number in Class7554228612
Road Numbers555-629/630-69124-25, 30-34, 37-40, 42-84264-29544-84400-411/340-341
GaugeStd3'3'3'3'
Number Built7554228612
BuilderBurnham, Parry, Williams & CoBurnham, Parry, Williams & CoBurnham, Parry, Williams & CoseveralBurnham, Parry, Williams & Co
Year18871877188218771881
Valve GearStephensonStephensonStephensonStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase13.50'11.33'11.33'11.33'11.75'
Engine Wheelbase21.33'17.83'17.83'17.33'18.08'
Ratio of driving wheelbase to overall engine wheebase 0.63 0.64 0.64 0.65 0.65
Overall Wheelbase (engine & tender)45.45'41.79'41.92'
Axle Loading (Maximum Weight per Axle)19790 lbs
Weight on Drivers99700 lbs48000 lbs50000 lbs64000 lbs
Engine Weight115000 lbs56000 lbs60000 lbs60000 lbs74260 lbs
Tender Light Weight72000 lbs53000 lbs
Total Engine and Tender Weight187000 lbs127260 lbs
Tender Water Capacity2500 gals2500 gals2500 gals
Tender Fuel Capacity (oil/coal)6 tons6 tons
Minimum weight of rail (calculated)42 lb/yard20 lb/yard21 lb/yard027 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter46"36"36"36"36"
Boiler Pressure140 psi130 psi130 psi130 psi130 psi
Cylinders (dia x stroke)20" x 24"15" x 18"15" x 20"15" x 20"16" x 20"
Tractive Effort24835 lbs12431 lbs13813 lbs13813 lbs15716 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.01 3.86 3.62 4.07
Heating Ability
Firebox Area160.19 sq. ft88 sq. ft72 sq. ft81.20 sq. ft
Grate Area24.94 sq. ft14 sq. ft16.70 sq. ft14 sq. ft15 sq. ft
Evaporative Heating Surface1675 sq. ft852 sq. ft831 sq. ft927 sq. ft
Superheating Surface
Combined Heating Surface1675 sq. ft0852 sq. ft831 sq. ft927 sq. ft
Evaporative Heating Surface/Cylinder Volume191.94208.28203.15199.17
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation34921820217118201950
Same as above plus superheater percentage34921820217118201950
Same as above but substitute firebox area for grate area22427011440936010556
Power L130450246422712234
Power MT269.330434.57307.82

Specifications by Steve Llanso of Sweat House Media
Class700 / 199 / C-40B-4-70/C-17-70C-25-112C-26SC-38
Locobase ID12491 6824 6818 3045 3948
RailroadRio Grande Western (D & RGW)Rio Grande Southern (D&RGW)Crystal River (D&RGW)Rio Grande Western (D&RGW)Denver & Rio Grande Western (D&RGW)
CountryUSAUSAUSAUSAUSA
Whyte2-8-02-8-02-8-02-8-02-8-0
Number in Class561438
Road Numbers700-704417-422/300-304103 / 432111-153/630-670 /600-622300-303/900-907
GaugeStd3'3'StdStd
Number Built561438
BuilderBurnham, Williams & CoBurnham, Parry, Williams & CoBurnham, Williams & CoBurnham, Parry, Williams & CoRichmond
Year19011887190318891900
Valve GearStephensonStephensonStephensonStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase16.25'11.75'11'13.50'16.67'
Engine Wheelbase25.08'18.58'18.33'21.19'
Ratio of driving wheelbase to overall engine wheebase 0.65 0.63 0.60 0.64
Overall Wheelbase (engine & tender)53.50'45'44.58'48.73'52.93'
Axle Loading (Maximum Weight per Axle)18150 lbs28700 lbs25200 lbs
Weight on Drivers172000 lbs62150 lbs107400 lbs100300 lbs168000 lbs
Engine Weight192000 lbs70300 lbs131500 lbs113000 lbs185000 lbs
Tender Light Weight110000 lbs53000 lbs62000 lbs78000 lbs
Total Engine and Tender Weight302000 lbs123300 lbs193500 lbs191000 lbs
Tender Water Capacity6000 gals2500 gals3000 gals3500 gals5000 gals
Tender Fuel Capacity (oil/coal)6 tons6 tons11 tons10 tons
Minimum weight of rail (calculated)72 lb/yard26 lb/yard45 lb/yard42 lb/yard70 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter56"36"38"51"56"
Boiler Pressure200 psi130 psi170 psi160 psi185 psi
High Pressure Cylinders (dia x stroke)17" x 30"16" x 20"18" x 20"20" x 24"22" x 28"
Low Pressure Cylinders (dia x stroke)28" x 30" (2)
Tractive Effort38462 lbs15716 lbs24641 lbs25600 lbs38055 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.47 3.95 4.36 3.92 4.41
Heating Ability
Firebox Area206.40 sq. ft87 sq. ft98 sq. ft142 sq. ft206 sq. ft
Grate Area35 sq. ft14 sq. ft18.70 sq. ft24.70 sq. ft34.70 sq. ft
Evaporative Heating Surface3330 sq. ft1019 sq. ft1721 sq. ft1782 sq. ft2873 sq. ft
Superheating Surface
Combined Heating Surface3330 sq. ft1019 sq. ft1721 sq. ft1782 sq. ft2873 sq. ft
Evaporative Heating Surface/Cylinder Volume422.52218.94292.17204.20233.21
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation70001820317939526420
Same as above plus superheater percentage70001820317939526420
Same as above but substitute firebox area for grate area4128011310166602272038110
Power L138082437404138845471
Power MT195.24345.79331.80341.49287.18

Specifications by Steve Llanso of Sweat House Media
ClassC-39C-40C-40C-41C-41-185
Locobase ID1458 1459 4126 10761 1460
RailroadDenver & Rio Grande (D&RGW)Denver & Rio Grande (D&RGW)Denver & Rio Grande Western (D&RGW)Denver & Rio Grande (D&RGW)Denver & Rio Grande (D&RGW)
CountryUSAUSAUSAUSAUSA
Whyte2-8-02-8-02-8-02-8-02-8-0
Number in Class111051015
Road Numbers915-925930-934, 940-944601-6051101-1130901-915 / 950-964
GaugeStdStdStdStdStd
Number Built1151015
BuilderBurnham, Williams & CoshopsRichmondBurnham, Williams & CoBurnham, Williams & Co
Year19051907190119021900
Valve GearStephensonStephensonStephensonStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase15.08'16.25'16.25'15'14.67'
Engine Wheelbase23.42'25.15'23.83'23.42'
Ratio of driving wheelbase to overall engine wheebase 0.64 0.65 0.63 0.63
Overall Wheelbase (engine & tender)59.79'58.23'52.93'53.54'54.26'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers165100 lbs177000 lbs167450 lbs163445 lbs164000 lbs
Engine Weight185600 lbs199000 lbs184400 lbs188095 lbs183790 lbs
Tender Light Weight140500 lbs111000 lbs111895 lbs110000 lbs
Total Engine and Tender Weight326100 lbs310000 lbs299990 lbs293790 lbs
Tender Water Capacity5000 gals6000 gals6000 gals
Tender Fuel Capacity (oil/coal)10 tons tons9 tons
Minimum weight of rail (calculated)69 lb/yard74 lb/yard70 lb/yard68 lb/yard68 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter56"57"56"54"54"
Boiler Pressure190 psi200 psi200 psi200 psi190 psi
High Pressure Cylinders (dia x stroke)22" x 28"21" x 30"28.5" x 30"17" x 30"22" x 28"
Low Pressure Cylinders (dia x stroke)36" x 30" (1)28" x 30" (2)
Tractive Effort39083 lbs39458 lbs45473 lbs39886 lbs40531 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.22 4.49 3.68 4.10 4.05
Heating Ability
Firebox Area193.30 sq. ft165 sq. ft206 sq. ft172.50 sq. ft196.72 sq. ft
Grate Area33.72 sq. ft49 sq. ft34.70 sq. ft46.75 sq. ft34.98 sq. ft
Evaporative Heating Surface3009 sq. ft3178 sq. ft2873 sq. ft2769 sq. ft2792 sq. ft
Superheating Surface
Combined Heating Surface3009 sq. ft3178 sq. ft2873 sq. ft2769 sq. ft2792 sq. ft
Evaporative Heating Surface/Cylinder Volume244.25264.25259.41351.34226.64
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation64079800694093506646
Same as above plus superheater percentage64079800694093506646
Same as above but substitute firebox area for grate area3672733000412003450037377
Power L157236324412330575241
Power MT305.68315.07217.13164.94281.81

Specifications by Steve Llanso of Sweat House Media
ClassC-41-190-superheatedC-42/C-38C-44C-48 - superheatedC2 / C-43
Locobase ID1461 1457 11424 430 1463
RailroadDenver & Rio Grande (D&RGW)Rio Grande Western (D&RGW)Denver & Rio Grande (D&RGW)Denver & Rio Grande Western (D&RGW)Denver & Salt Lake (D&RGW)
CountryUSAUSAUSAUSAUSA
Whyte2-8-02-8-02-8-02-8-02-8-0
Number in Class304484812
Road Numbers1000-1029970-9731131-1178,1180-1199112-123 / 1031-1039
GaugeStdStdStdStdStd
Number Built30448
BuilderD&RGWAlco-RichmondAlcoAlcoD&SL
Year19021900190619191925
Valve GearStephensonStephensonStephensonBaker or WalschaertWalschaert
Locomotive Length and Weight
Driver Wheelbase15'16.67'15.67'15.67'
Engine Wheelbase23.83'21.92'24.50'
Ratio of driving wheelbase to overall engine wheebase 0.63 0.76 0.64
Overall Wheelbase (engine & tender)53.63'59.45'59.58'
Axle Loading (Maximum Weight per Axle)48000 lbs52800 lbs48750 lbs
Weight on Drivers163000 lbs168400 lbs192000 lbs194100 lbs195000 lbs
Engine Weight182000 lbs185000 lbs220000 lbs220400 lbs219000 lbs
Tender Light Weight120000 lbs165700 lbs157000 lbs
Total Engine and Tender Weight302000 lbs386100 lbs376000 lbs
Tender Water Capacity6000 gals5000 gals8000 gals8000 gals8000 gals
Tender Fuel Capacity (oil/coal)8 tons10 tons15 tons18 tons15 tons
Minimum weight of rail (calculated)68 lb/yard70 lb/yard80 lb/yard81 lb/yard81 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter55"51"57"57"55"
Boiler Pressure200 psi185 psi200 psi215 psi210 psi
Cylinders (dia x stroke)21" x 30"22" x 28"23" x 28"23" x 28"22" x 28"
Tractive Effort40893 lbs41785 lbs44176 lbs47489 lbs43982 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.99 4.03 4.35 4.09 4.43
Heating Ability
Firebox Area195.50 sq. ft206 sq. ft187 sq. ft245 sq. ft200 sq. ft
Grate Area46.60 sq. ft34.70 sq. ft49 sq. ft49 sq. ft54.20 sq. ft
Evaporative Heating Surface2158 sq. ft2873 sq. ft3028 sq. ft2385 sq. ft2405 sq. ft
Superheating Surface495 sq. ft506 sq. ft623 sq. ft
Combined Heating Surface2653 sq. ft2873 sq. ft3028 sq. ft2891 sq. ft3028 sq. ft
Evaporative Heating Surface/Cylinder Volume179.44233.21224.89177.13195.23
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation9320642098001053511382
Same as above plus superheater percentage11091642098001243113772
Same as above but substitute firebox area for grate area4652938110374006215750820
Power L111571498255921238414082
Power MT626.00260.89256.84562.64636.83

Photos

Reference


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