Chicago & Western Indiana 2-6-0 "Mogul" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class J1 (Locobase 13940)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 43, p. 95+. Works numbers were 38953-38957 in December 1912.

This superheated quintet was one of the largest Moguls to be delivered to a US railroad at that time. Each had relatively ample 14"(356 mm) piston valves. (Lima added four more, virtually identical 2-6-0s thirteen months later; see Locobase 15733.)

This transfer railroad (owned by the Chicago & Eastern Illinois, Erie, Grand Trunk, Monon and Wabash) owned 51.6 miles (83 km) of lines at the time these engines were purchased.

The railroad used the class at least in part to pull its passenger locals out of Dearborn Station to southern suburbs. Photographs show that this service could include trains of up to five coaches and operated into the early 1940s.


Class J2 (Locobase 15733)

Data from C&WI 1935 Locomotive & Crane Diagrams supplied in August 2013 by Allen Stanley from his extensive Rail Data Exchange. Works numbers were 1329-1332 in January 1914..

Locobase 13940 describes the five Baldwins that were one of the largest Mogul designs delivered to a US railroad at that time. A little over a year later, Lima repeated the design with just a few changes, suggesting that the C&WI was very happy with that wheel arrangement.


Class unknown (Locobase 15732)

Data from "Chicago & Western Indiana Mogul," Railway and Locomotive Engineering, Vol 18, No 4 (April 1905), pp. 182-183. Works numbers were 6240-6242 in October 1904.

At the same time this long-time Paterson, NJ builder was producing three suburban Prairie tank engines for the C&WI, it also turned out three Moguls. The halftone accompanying the relatively short report in the R&LE shows a high-pitched boiler with a tapered second course.

As often proved the case with the C&WI, this Mogul design was among the biggest and heaviest of its time. Locobases 13940 and 15733 show superheated Moguls from the 'teens that out-muscled most of their 2-6-0 contemporaries.

It would also be the biggest Rogers produced for any operator, which can be explained best by the fact that, other than a few USRA Santa Fes, these were the largest locomotives the C&WI would buy. Their traffic was well-suited to 2-6-0 motive power.

Specifications by Steve Llanso of Sweat House Media
ClassJ1J2unknown
Locobase ID13,940 15,733 15,732
RailroadChicago & Western IndianaChicago & Western IndianaChicago & Western Indiana
CountryUSAUSAUSA
Whyte2-6-02-6-02-6-0
Number in Class543
Road Numbers8-12 / 208-212213-216103-105/5-7/205-207
GaugeStdStdStd
Number Built543
BuilderBaldwinLimaRogers
Year191219141904
Valve GearBakerBakerBaker
Locomotive Length and Weight
Driver Wheelbase (ft / m)14.75 / 4.5015 / 4.5015 / 4.57
Engine Wheelbase (ft / m)23.83 / 7.2624.08 / 7.2623.50 / 7.16
Ratio of driving wheelbase to overall engine wheebase 0.62 0.62 0.64
Overall Wheelbase (engine & tender) (ft / m)56.87 / 17.3358.33 / 17.33
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)162,000 / 73,482165,200 / 73,482136,000 / 61,689
Engine Weight (lbs / kg)189,000 / 85,729194,600 / 85,729157,000 / 71,214
Tender Loaded Weight (lbs / kg)140,000 / 63,503142,500 / 63,503102,700 / 46,584
Total Engine and Tender Weight (lbs / kg)329,000 / 149,232337,100 / 149,232259,700 / 117,798
Tender Water Capacity (gals / ML)7400 / 28.037550 / 28.035000 / 18.94
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)11 / 109 / 108 / 7.30
Minimum weight of rail (calculated) (lb/yd / kg/m)90 / 4592 / 4676 / 38
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)63 / 160063 / 160057 / 1448
Boiler Pressure (psi / kPa)180 / 12.40180 / 12.40200 / 13.80
High Pressure Cylinders (dia x stroke) (in / mm)23" x 28" / 584x71123" x 28" / 584x71120" x 26" / 508x660
Tractive Effort (lbs / kg)35,972 / 16316.6435,972 / 16316.6431,018 / 14069.54
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.50 4.59 4.38
Heating Ability
Firebox Area (sq ft / m2)185 / 17.19207 / 17.19172.40 / 16.02
Grate Area (sq ft / m2)52 / 4.8352 / 4.8346.75 / 4.34
Evaporative Heating Surface (sq ft / m2)2241 / 208.192235 / 208.192412 / 224.08
Superheating Surface (sq ft / m2)506 / 47.01508 / 47.01
Combined Heating Surface (sq ft / m2)2747 / 255.202743 / 255.202412 / 224.08
Evaporative Heating Surface/Cylinder Volume166.44165.99255.13
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation936093609350
Same as above plus superheater percentage11,04511,1389350
Same as above but substitute firebox area for grate area39,29444,33934,480
Power L110,83711,0086580
Power MT442.43440.71319.99

Reference