Chicago & Illinois Western / Chicago & Texas / Illinois Central / Paducah & Elizabethtown / Vicksburg, Shreveport & Pacific 2-6-0 "Mogul" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 1714 (Locobase 7016)

Data from the IC 1913ca Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.

Once the IC had built 14 Moguls (Locobase 6968) to this basic design, it tweaked the design slightly (2 fewer boiler tubes, e.g.) and produced another dozen in 1887-1888.


Class 1726 (Locobase 7017)

Data from the IC 1913ca Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.

These home-built Moguls were relatively small for the wheel arrangement at the time they were delivered. They hit the road in small batches beginning in July 1880-1885. The numbering is retrospective and was applied after 1890.


Class 18/598/1798 (Locobase 7018)

Data from the IC 1913ca Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. See also DeGolyer, Volume 10, p. 109. Works numbers were 5379-5380 in October 1880.

Small Baldwin Moguls delivered with 19" (483 mm) x 24" cylinders.They were sold to the Chesapeake, Ohio & Southwestern in January 1882. By 1893, the CO & SW had grown into Collis Huntington's fragile, but threatening, 700-mile system that connected Louisville, Kentucky to Memphis, Tenn and beyond. In November 1893, Huntington and the Louisville & Nashville reached an agreement in which the L&N would gain control of the whole system.

"Friends of the Louisville & Nashville", reported the New York Times on 3 November 1893 (p. 9), "regard this purchase as decidedly advantageous to that company. Besides converting a competing system into a series of valuable feeders, the transaction will give the Louisville & Nashville very desirable terminals in Memphis and will bring another road into the Union Station in Louisville."

The L&N's proposed elimination of competitive traffic was a bone of contention that stuck in the throats of Kentucky regulators and they blocked the sale (an action upheld by the US Supreme Court in 1896). The other party to the deal - the Illinois Central, to whom the L&N had given $5 million in bonds -- was not so objectionable a suitor and, according to the 1893 article saw "...the advantage to the Illinois Central is in the increased facilities it will give that road for its Memphis traffic."

In December 1894, the IC reorganized the C O & SW and took possession of it as part of the IC system.

Compared to the IC's own Moguls of the same year, these had smaller boilers with lower pressure. At some point, the IC bushed the cylinders down to the 17 1/2" shown in the specs.


Class 1801 (Locobase 7019)

Data from the IC 1913ca Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.

Of approximately the same vintage as those built in the IC's own shops (Locobase 6968), these engines had slightly smaller boilers.


Class 1822 (Locobase 7021)

Data from the IC 1913ca Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.

The last in a series of Brooks Mogul batches delivered to the IC, these maintained the basic design, only adding a few sq ft of heating surface through a slightly larger firebox.


Class 1827 (Locobase 7020)

Data from the IC 1913ca Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.

Following on from the Brooks Moguls of the previous year (Locobase 7019), this class had 19 more tubes and put about 3 1/2 more tons on the drivers. The last four redistributed the weight among truck and drivers, the truck bearing 1,000 lb less while the adhesion weight rose to 85,900 lb.


Class 1855 (Locobase 7023)

Data from the IC 1913ca Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.

This New York builder seems to have used the boiler design of the recent batches of Brooks engines and grafted on a larger grate. At the same time, the wheelbases all shrank because the firebox now rode over the rear two driving axles.

Seven of these were later rebuilt as 2-6-4T commuter tank locomotives; see Locobase 6978.


Class 1879 (Locobase 7025)

Data from the IC 1913ca Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.

Locobase is intrigued by the narrow range of power and surface areas among the IC's Moguls and Ten-wheelers and how many variations of wheelbase, tube length, grate area there came to be within these small limits. In this case, Pittsburgh increased the cylinder diameter by an inch and the boiler pressure by 15 psi. Grate area grew by almost a third while the boiler's heating surface remained about the same.


Class 194 / 895 / 1895 (Locobase 7026)

Data from the IC 1913ca Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. Roster info from Ray Breyer Excel spreadsheet supplied in February 2006. Breyer's table shows the Rogers works numbers to have been 2039-2040.

Through a quirk of the IC's renumbering exercise sometime after 1890, these two ancient Moguls earned two of the highest engine numbers. The only higher Mogul number was given to an 1866 Rogers engine shown in Locobase 7027.

2040 (last number 1896) was scrapped in December 1909 while 1895 lasted until May 1914.


Class 201 (Locobase 6965)

Data from DeGolyer, Volume 27, p. 242 and the IC 9 1928 Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. (Thanks to Chris Hohl for his 9 September 2016 email noting the proper adhesion and engine weights and the boiler pressure as delivered .) Works number was 25694 in May 1905.

Although this Mogul was originally planned for the the Maryland & Pennsylvania as their #26, it was almost immediately sold to the C & IW because it was too heavy. Baldwin's spec sheet shows no sign of this engine having been ordered by the Ma&Pa. It described the 201's C&IW operating environment: "Track level, curves ordinary, slow speed, heavy drag work." Not the language of poets, but certainly evokes a workaday life.

The C & IW was an industrial railroad operating out of Chicago . Although the railroad was later bought by the Illinois Central, that purchase had little effect on the 201's operations, which it continued until 1935.


Class 231 (Locobase 7022)

Data from the IC 1913ca Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. "Notes on the National Exposition of Railway Appliances - Locomotives - Brooks", American Engineer and Railroad Journal, (22 June 1883), p. 330.

This single Mogul seems to have been the first of a run of 2-6-0s built by Brooks for the IC. In all of them, the grate stayed the same as did the boiler's essential dimensions. What differed was the number of tubes.


Class 401 (Locobase 6966)

Data from the IC 4 1930 Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. See also "Moguls for the Illinois Central Railroad", Railway and Engineering Review, Volume 37 (21 August 1897), p. 479. Rogers delivered:

401-425 in 1892 (works numbers 4723 in June; 4724-4727 in July; 4743-4744 in August; 4751-4752, 4762-4765 in September; 4769-4771, 4775, 4778-4779, 4785 in October;4786, 4790-4791, 4886 in November).

426-450 1893 (works numbers 4887-4892, 4895-4896, 4902 in July;4906-4909 in August; 4919-4928 in September; and 4929 in October)

451-460 in 1894 (works numbers 5010-5015 in November; 5020-5023 in December)

461-470 in 1895 (works numbers 5070-5073, 5075-5077 in October; 5078-5079 in November)

495-506 in 1896 (5105-5107 in February, 5108-5109 in March, 5112-5116 in September,

5151- 5152 in November)

507-511 in 1897 (5153-5155 in July, 5210-5211 in September)

Brooks production included:

471-484 in 1895 (works numbers 2600-2613 in November)

485-506 in 1896, (works numbers 2640-2644 in February, 2645-2649 in March)

512-516 in 1897 (works numbers 2726-2730 in January).

This large class of Moguls showed classic late-19th Century form. The capped domes sat closely spaced over the first two driving axles. The Belpaire firebox rode over the rear driving axle and well within a large cab that had three windows per side.

The R&ER account said that the class was notable both for the sheer number of like locomotives and for the IC's preference for Moguls over Consolidations as the standard heavy freight engine. A batch of 38 2-8-0s was built (Locobase 7015) by Rogers in 1891 and put in service "on one of the southern divisions of this road, it was found ...that for all round heavy work and particularly on the portions of the road that contained heavy gradients" the 2-6-0 was to be preferred.

Comparing the two designs, both by Rogers, Locobase notices that the

A later addition of two arch tubes accounted for 15.8 sq ft (1.47 sq m) of the firebox heating surface.

Eight were converted in the 1920s to a 2-6-4T suburban tank layout: 402, 408, 410, 416, 430, 438, 476, 485. At that time, 438 had found a permanent home at Purdue University's locomotive research program.

Most of the class was scrapped over three decades of service, some as early as the mid-'teens, most in the late 1920s and into the 1930s.. Some lingered for much longer and several had second careers:

420 was sold in May 1929 to the Parker Gravel Company in Shreveport, La

421 went in September 1930 to the Meridian & Big River and was joined much later by 469.

427 was sold in October 1944 to the Mississippi & Skuna Valley.

440 went first in June 1933 to the Chicago Springfield & St Louis as their #20, but notes in the "Jacksonville & Havana Wallin Stringham Szwajkart" roster (Allen Stanley's Raildata Exchange collection) believe that the actual destination was the Jacksonville & Havana with the same road number, thinking it "can be surmised that it was necessary to handle the financing through the CS&StL as the financial condition of the J&H in 1933 was unstable." The locomotive was retired in 1937.

447 was bought by J Clement of Minden. La.

506 was sold in the late 1920s to Copiah Gravel Company


Class 413 / 1869 (Locobase 7024)

Data from the IC 1913ca Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.

As the IC was taking delivery of Moguls from Brooks, Schenectady, and Baldwin, it also contracted with this small builder to supply ten of its own (works #1788-1797). The locomotives had long wheelbases because the deep firebox sat between the last two driving axles and the front drivers turned just behind the cylinders.


Class 517 (Locobase 9387)

Data from the IC 1930 Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. Works numbers were 5227-5229 in December 1897.

The first three of a final batch of five built by Brooks to the long-running design described in 6966 were sold almost immediately to the Yazoo & Mississippi Valley (Locobase 16278) and replaced on the IC by three more from Rogers.

Of the three, two were sold for scrap to Kaplan in July 1929, leaving 517 to be scrapped almost seven years later in June 1935.


Class 541 (Locobase 6967)

Data from the IC 1913ca Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.

Following 3 years after the last of the large Mogul class described in Locobase 6966, the Rogers engines delivered in 1900 were substantially larger. The firebox was not proportionately bigger, but the boiler and cylinder volume were both much larger. 15 sq ft of arch tubes contributed to the firebox heating surface.

Deliveries came from a variety of builders. Rogers delivered 551-552 in 1900 and Brooks 553-564 in the same year. Pittsburgh supplied 541-550 and 565-584 in 1901, Baldwin completed the class with 585-598 in 1902 (works numbers were 19933-19934 in December 1901 and 19961-19962, 19976-19982 in January 1902.

Such a useful mixed-traffic design couldn't go unsuperheated for ever; see Locobase 6969.


Class 541 - s (Locobase 6969)

Data from the IC 4 - 1930 Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.

This was a relatively tidy upgrade -- very little total heating surface was sacrificed and an useful amount of superheat added to the locomotive's power. Unlike some modifications in which the superheater's power was seen as an opportunity to drop boiler pressure, these Moguls kept their boiler pressure at the saturated-steam level. As with the saturated-steam engines, 15 sq ft of arch tubes contributed to the firebox heating surface.


Class 600 (Locobase 6968)

Data from the IC 1913ca Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.

A somewhat larger set of home-built Moguls compared to those produced a few years earlier (Locobase 7017). The firebox rode between the rear two driving axles. The prototype appeared in 1884, 1701-1710 came 2 years later and the last 3 were delivered the year after that.


Class 8 / 1899 (Locobase 7027)

Data from the IC 1913ca Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. Roster info from Ray Breyer Excel spreadsheet supplied in February 2006.

The highest-numbered Mogul in the IC's late-19th-Century renumbering was the oldest one. This example dates back to the earliest days of the wheel arrangement. For its time, 1899 had a relatively large amount of heating surface and boiler pressure was respectable as well.


Class C3 (Locobase 6079)

Data from the 1926 Alabama & Vicksburg locomotive diagram book supplied in March 2004 by Allen Stanley from his extensive Rail Data Exchange. See also DeGolyer, Volume 21, p. 204; Volume 22, p. 182; Volume 25, p. 138. Works numbers were 16021 in June 1898, 17029 in September 1899, 17287 in December. Later batches included two - 21421 in November 1902 and 21429 in January 1903; 23953, 24002 in March 1904; and 27053-27054 in December 1905.

The data refers to a middle batch in this long-running class of Vicksburg, Shreveport & Western Moguls. The first of the twelve arrived in 1898 as 332. These had boilers pressed to 160 psi. The 1903 group had 180-psi boilers, while 338-340 had 200 psi. The last engines were heavier still, but reverted to 180 psi working pressure.

All were eventually assigned to switcher service and were sold off in the late 1920s.

Specifications by Steve Llanso of Sweat House Media
Class1714172618/598/179818011822
Locobase ID7016 7017 7018 7019 7021
RailroadIllinois Central (IC)Illinois Central (IC)Paducah & Elizabethtown (IC)Illinois Central (IC)Illinois Central (IC)
CountryUSAUSAUSAUSAUSA
Whyte2-6-02-6-02-6-02-6-02-6-0
Number in Class12292205
Road Numbers1714-17251726-5418-19/598, 799/1798-17991801-18201822-1826
GaugeStdStdStdStdStd
Number Built12292205
BuilderICICBurnham, Parry, Williams & CoBrooksBrooks
Year18881880188018861891
Valve GearStephensonStephensonStephensonStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)15.50 / 4.7215 / 4.5714.75 / 4.5015.50 / 4.7215.50 / 4.72
Engine Wheelbase (ft / m)22.67 / 6.9122.17 / 6.7621.83 / 6.6523.02 / 7.0223.02 / 7.02
Ratio of driving wheelbase to overall engine wheebase 0.68 0.68 0.68 0.67 0.67
Overall Wheelbase (engine & tender) (ft / m)44.98 / 13.7144.81 / 13.6644.44 / 13.5544.23 / 13.4844.23 / 13.48
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)80,000 / 36,28768,000 / 30,84465,900 / 29,89277,900 / 35,33588,000 / 39,916
Engine Weight (lbs / kg)95,900 / 43,50086,000 / 39,00979,400 / 36,01592,900 / 42,139103,800 / 47,083
Tender Loaded Weight (lbs / kg)80,000 / 36,28780,000 / 36,28767,000 / 30,39162,100 / 28,16861,100 / 27,715
Total Engine and Tender Weight (lbs / kg)175,900 / 79,787166,000 / 75,296146,400 / 66,406155,000 / 70,307164,900 / 74,798
Tender Water Capacity (gals / ML)3850 / 14.583850 / 14.583500 / 13.263000 / 11.363000 / 11.36
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT) 7.50 / 6.80 7.50 / 6.806 / 5.505 / 4.505 / 4.50
Minimum weight of rail (calculated) (lb/yd / kg/m)44 / 2238 / 1937 / 18.5043 / 21.5049 / 24.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)56.50 / 143556.50 / 143557 / 144856.50 / 143556.50 / 1435
Boiler Pressure (psi / kPa)150 / 10.30150 / 10.30130 / 9150 / 10.30150 / 10.30
High Pressure Cylinders (dia x stroke) (in / mm)18" x 24" / 457x61018" x 24" / 457x61017.5" x 24" / 445x61018" x 24" / 457x61018" x 24" / 457x610
Tractive Effort (lbs / kg)17,548 / 7959.6517,548 / 7959.6514,249 / 6463.2517,548 / 7959.6517,548 / 7959.65
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.56 3.88 4.62 4.44 5.01
Heating Ability
Firebox Area (sq ft / m2)130.30 / 12.11103.60 / 9.6392 / 8.55130.60 / 12.14121.60 / 11.30
Grate Area (sq ft / m2)17 / 1.5815.50 / 1.4415.30 / 1.4216.93 / 1.5716.93 / 1.57
Evaporative Heating Surface (sq ft / m2)1362 / 126.581175 / 109.201093 / 101.581317 / 122.401416 / 131.60
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1362 / 126.581175 / 109.201093 / 101.581317 / 122.401416 / 131.60
Evaporative Heating Surface/Cylinder Volume192.68166.23163.59186.32200.32
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation25502325198925402540
Same as above plus superheater percentage25502325198925402540
Same as above but substitute firebox area for grate area19,54515,54011,96019,59018,240
Power L140243383287139374045
Power MT332.68329.04288.14334.26304.01

Specifications by Steve Llanso of Sweat House Media
Class182718551879194 / 895 / 1895201
Locobase ID7020 7023 7025 7026 6965
RailroadIllinois Central (IC)Illinois Central (IC)Illinois Central (IC)Illinois Central (IC)Chicago & Illinois Western (IC)
CountryUSAUSAUSAUSAUSA
Whyte2-6-02-6-02-6-02-6-02-6-0
Number in Class2814521
Road Numbers1827-18541855-18681879-18841895-1896201
GaugeStdStdStdStdStd
Number Built2814521
BuilderBrooksSchenectadyPittsburghRogersBurnham, Williams & Co
Year18871889189018721905
Valve GearStephensonStephensonStephensonStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)15.50 / 4.7213 / 3.9613.17 / 4.0114.50 / 4.4214 / 4.27
Engine Wheelbase (ft / m)23.02 / 7.0220.50 / 6.2520.83 / 6.3521.83 / 6.6522.42 / 6.83
Ratio of driving wheelbase to overall engine wheebase 0.67 0.63 0.63 0.66 0.62
Overall Wheelbase (engine & tender) (ft / m)44.23 / 13.4845.71 / 13.9344.48 / 13.5642.40 / 12.9248.92 / 14.91
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)84,000 / 38,10287,100 / 39,50896,200 / 43,63664,200 / 29,121131,000 / 59,421
Engine Weight (lbs / kg)100,000 / 45,359100,400 / 45,541115,000 / 52,16378,100 / 35,426148,000 / 67,132
Tender Loaded Weight (lbs / kg)61,100 / 27,71573,600 / 33,38480,000 / 36,28732,250 / 14,628120,000 / 54,431
Total Engine and Tender Weight (lbs / kg)161,100 / 73,074174,000 / 78,925195,000 / 88,450110,350 / 50,054268,000 / 121,563
Tender Water Capacity (gals / ML)3000 / 11.363400 / 12.883000 / 11.362000 / 7.586000 / 22.73
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)5 / 4.507 / 6.407 / 6.405 / 4.5010 / 9.10
Minimum weight of rail (calculated) (lb/yd / kg/m)47 / 23.5048 / 2453 / 26.5036 / 1873 / 36.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)56.50 / 143556.50 / 143556 / 142256.50 / 143557 / 1448
Boiler Pressure (psi / kPa)150 / 10.30150 / 10.30165 / 11.40135 / 9.30200 / 13.80
High Pressure Cylinders (dia x stroke) (in / mm)18" x 24" / 457x61018" x 24" / 457x61019" x 24" / 483x61016" x 24" / 406x61020" x 26" / 508x660
Tractive Effort (lbs / kg)17,548 / 7959.6517,548 / 7959.6521,699 / 9842.5112,478 / 5659.9331,018 / 14069.54
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.79 4.96 4.43 5.15 4.22
Heating Ability
Firebox Area (sq ft / m2)121.60 / 11.30131.80 / 12.25127 / 11.8084 / 7.81167.80 / 15.59
Grate Area (sq ft / m2)16.93 / 1.5729 / 2.7022.83 / 2.1214.37 / 1.3431.50 / 2.93
Evaporative Heating Surface (sq ft / m2)1406 / 130.671412 / 131.231429 / 132.81895 / 83.182073 / 192.59
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1406 / 130.671412 / 131.231429 / 132.81895 / 83.182073 / 192.59
Evaporative Heating Surface/Cylinder Volume198.91199.76181.44160.25219.28
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation25404350376719406300
Same as above plus superheater percentage25404350376719406300
Same as above but substitute firebox area for grate area18,24019,77020,95511,34033,560
Power L140254138403629935852
Power MT316.91314.22277.48308.34295.45

Specifications by Steve Llanso of Sweat House Media
Class231401413 / 1869517541
Locobase ID7022 6966 7024 9387 6967
RailroadIllinois Central (IC)Illinois Central (IC)Illinois Central (IC)Illinois Central (IC)Illinois Central (IC)
CountryUSAUSAUSAUSAUSA
Whyte2-6-02-6-02-6-02-6-02-6-0
Number in Class111610558
Road Numbers231/821/1821401-516413-422 / 1869-1878517-519541-598
GaugeStdStdStdStdStd
Number Built111610558
BuilderBrooksseveralHinkleyRogersseveral
Year18831892188818971900
Valve GearStephensonStephensonStephensonStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)15.50 / 4.7214 / 4.2715.75 / 4.8014 / 4.2714.60 / 4.45
Engine Wheelbase (ft / m)23.02 / 7.0221.67 / 6.6123.33 / 7.1121.67 / 6.6123.17 / 7.06
Ratio of driving wheelbase to overall engine wheebase 0.67 0.65 0.68 0.65 0.63
Overall Wheelbase (engine & tender) (ft / m)43.73 / 13.3346.42 / 14.1546.64 / 14.2246.42 / 14.1555.87 / 17.03
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)78,200 / 35,471106,400 / 48,26285,000 / 38,555106,400 / 48,262151,532 / 68,734
Engine Weight (lbs / kg)92,200 / 41,821126,000 / 57,153100,000 / 45,359126,000 / 57,153173,232 / 78,577
Tender Loaded Weight (lbs / kg)62,100 / 28,16880,000 / 36,28780,000 / 36,28780,000 / 36,287147,600 / 66,950
Total Engine and Tender Weight (lbs / kg)154,300 / 69,989206,000 / 93,440180,000 / 81,646206,000 / 93,440320,832 / 145,527
Tender Water Capacity (gals / ML)3000 / 11.363850 / 14.583850 / 14.583850 / 14.587000 / 26.52
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)5 / 4.50 7.50 / 6.80 7.50 / 6.80 7.50 / 6.8015 / 13.60
Minimum weight of rail (calculated) (lb/yd / kg/m)43 / 21.5059 / 29.5047 / 23.5059 / 29.5084 / 42
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)56.50 / 143556.50 / 143556.50 / 143556.50 / 143563 / 1600
Boiler Pressure (psi / kPa)150 / 10.30165 / 11.40150 / 10.30165 / 11.40200 / 13.80
High Pressure Cylinders (dia x stroke) (in / mm)18" x 24" / 457x61019" x 26" / 483x66018" x 24" / 457x61019" x 26" / 483x66020" x 28" / 508x711
Tractive Effort (lbs / kg)17,548 / 7959.6523,299 / 10568.2617,548 / 7959.6523,299 / 10568.2630,222 / 13708.48
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.46 4.57 4.84 4.57 5.01
Heating Ability
Firebox Area (sq ft / m2)102 / 9.48188.90 / 17.56129.33 / 12.02173.10 / 16.09211 / 19.61
Grate Area (sq ft / m2)16.93 / 1.5726.40 / 2.4517.50 / 1.6326.40 / 2.4532.70 / 3.04
Evaporative Heating Surface (sq ft / m2)1254 / 116.501548 / 143.871454 / 135.131548 / 143.872413 / 224.26
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1254 / 116.501548 / 143.871454 / 135.131548 / 143.872413 / 224.26
Evaporative Heating Surface/Cylinder Volume177.40181.43205.70181.43237.01
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation25404356262543566540
Same as above plus superheater percentage25404356262543566540
Same as above but substitute firebox area for grate area15,30031,16919,40028,56242,200
Power L135254539419843957153
Power MT298.13282.15326.65273.19312.20

Specifications by Steve Llanso of Sweat House Media
Class541 - s6008 / 1899C3
Locobase ID6969 6968 7027 6079
RailroadIllinois Central (IC)Illinois Central (IC)Chicago & Texas (IC)Vicksburg, Shreveport & Pacific (IC)
CountryUSAUSAUSAUSA
Whyte2-6-02-6-02-6-02-6-0
Number in Class5814112
Road Numbers541-598600, 1701-17138 / 1899302-304/332-343
GaugeStdStdStdStd
Number Built14112
BuilderICICRogersBurnham, Williams & Co
Year1920188418661898
Valve GearStephensonStephensonStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)14.60 / 4.4515.50 / 4.7214.62 / 4.4615.17 / 4.62
Engine Wheelbase (ft / m)23.17 / 7.0622.67 / 6.9123 / 7.0125.75 / 7.85
Ratio of driving wheelbase to overall engine wheebase 0.63 0.68 0.64 0.59
Overall Wheelbase (engine & tender) (ft / m)56.37 / 17.1844.92 / 13.6945 / 13.7250.92 / 15.52
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)155,450 / 70,51182,000 / 37,19565,000 / 29,48491,500 / 41,504
Engine Weight (lbs / kg)177,750 / 80,626100,000 / 45,35980,000 / 36,287111,000 / 50,349
Tender Loaded Weight (lbs / kg)147,600 / 66,95080,000 / 36,28780,000 / 36,287113,900 / 51,664
Total Engine and Tender Weight (lbs / kg)325,350 / 147,576180,000 / 81,646160,000 / 72,574224,900 / 102,013
Tender Water Capacity (gals / ML)7000 / 26.523850 / 14.582500 / 9.475500 / 20.83
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)15 / 13.60 7.50 / 6.806 / 5.5011 / 10
Minimum weight of rail (calculated) (lb/yd / kg/m)86 / 4346 / 2336 / 1851 / 25.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)63 / 160056.50 / 143558 / 147354.50 / 1384
Boiler Pressure (psi / kPa)200 / 13.80150 / 10.30135 / 9.30180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)20" x 28" / 508x71120" x 24" / 508x61017" x 24" / 432x61019" x 24" / 483x610
Tractive Effort (lbs / kg)30,222 / 13708.4821,664 / 9826.6413,723 / 6224.6624,323 / 11032.74
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.14 3.79 4.74 3.76
Heating Ability
Firebox Area (sq ft / m2)211 / 19.61126.10 / 11.7290 / 8.36126 / 11.71
Grate Area (sq ft / m2)32.70 / 3.0417 / 1.5813.98 / 1.3016.88 / 1.57
Evaporative Heating Surface (sq ft / m2)1975 / 183.551365 / 126.86977 / 90.801435 / 133.36
Superheating Surface (sq ft / m2)400 / 37.17
Combined Heating Surface (sq ft / m2)2375 / 220.721365 / 126.86977 / 90.801435 / 133.36
Evaporative Heating Surface/Cylinder Volume193.99156.42154.96182.20
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation6540255018873038
Same as above plus superheater percentage7652255018873038
Same as above but substitute firebox area for grate area49,37418,91512,15022,680
Power L113,675323029544287
Power MT581.82260.52300.57309.88

Reference