Kewaunee, Green Bay & Western 2-6-0 "Mogul" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class R (Locobase 1352)

Data from photo and data supplied by Chris Hohl in his 24 January 2017 email in which he supplied tender capacities, loaded weight, and correct tube counts and length. Works numbers for these two engines were 54888 in September 1914 and 63139 in August 1921.

Seventeen 2-6-0s were built for the Green Bay & Western between 1907 & 1924, most with 175-lb boilers. Schenectady produced most of them, with Pittsburgh erecting some of the 250-256 run. The first group (27-30, 36-37) were built in 1907-1912. These were retired in 1936. Later engines, built from 1913-1924, were renumbered 250-260 in 1936. These went out of service gradually between 1939 and 1948.

After the Moguls been in service for a while, GB&W upgraded them with piston valves operated by Walschaerts gear and superheaters. Seven even had Nicholson thermic syphons installed in their fireboxes from 1925-1929.

Both of the KGB&W engines operated until 1945 with 258 being scrapped first in May 1945 and 257 following in July of the same year.

Specifications by Steve Llanso of Sweat House Media
ClassR
Locobase ID1352
RailroadKewaunee, Green Bay & Western
CountryUSA
Whyte2-6-0
Number in Class2
Road Numbers38-39/257-258
GaugeStd
Number Built2
BuilderAlco-Schenectady
Year1914
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)14 / 4.27
Engine Wheelbase (ft / m)21.83 / 6.65
Ratio of driving wheelbase to overall engine wheebase 0.64
Overall Wheelbase (engine & tender) (ft / m)52.37
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)122,000 / 55,338
Engine Weight (lbs / kg)139,000 / 63,049
Tender Loaded Weight (lbs / kg)110,200
Total Engine and Tender Weight (lbs / kg)249,200
Tender Water Capacity (gals / ML)5000
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)12
Minimum weight of rail (calculated) (lb/yd / kg/m)68 / 34
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)56 / 1422
Boiler Pressure (psi / kPa)180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)19" x 26" / 483x660
Tractive Effort (lbs / kg)25,644 / 11631.94
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.76
Heating Ability
Firebox Area (sq ft / m2)151 / 14.03
Grate Area (sq ft / m2)30.20 / 2.81
Evaporative Heating Surface (sq ft / m2)1225 / 113.81
Superheating Surface (sq ft / m2)232 / 21.55
Combined Heating Surface (sq ft / m2)1457 / 135.36
Evaporative Heating Surface/Cylinder Volume143.58
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation5436
Same as above plus superheater percentage6306
Same as above but substitute firebox area for grate area31,529
Power L18010
Power MT434.24