Pacific Coast / Pullman Company 2-6-0 "Mogul" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 101 (Locobase 12079)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 19, p 4. Works number was 13732 in September 1893.

The independent PC Rwy began as a 10-mile link between San Luis Obispo and Avila Beach (and Port Harford) on the coast. It would eventually cover 76 miles from Port Harford to Los Olivos. Even after the Southern Pacific entered SLO in 1901, the PC Rwy continued as an agricultural and mineral road, but with decreasing revenue. One branch was electrified.

The 101 was scrapped in 1924. The last segment of the line was abandoned in 1941.


Class 16 (Locobase 14115)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 43, p. 189. See WikiProject Trains ICC Valuations page on the Pullman Company at http://en.wikipedia.org/wiki/Wikipedia:WikiProject_Trains/ICC_valuations/Pullman_Company. Works number was 38623 in October 1912.

The Pullman Company had 23 miles of track in its yard tracks in Buffalo, N. Y., Calumet (Chicago), Ill., Richmond, Calif., St. Louis, Mo., and Wilmington, Del. Its famous works at Pullman near Chicago also included considerable rail mileage.

This middle-sized Mogul useful switcher to all those heavy passenger cars, although Locobase cannot pinpoint where the engine was used. The 16 had to negotiate curves of up to 30 degrees (193 feet/59 metres in radius) while rolling on relatively heavy 80-85 lb/yard (40-42.5 kg/metre) rail.

Specifications by Steve Llanso of Sweat House Media
Class10116
Locobase ID12,079 14,115
RailroadPacific CoastPullman Company
CountryUSAUSA
Whyte2-6-02-6-0
Number in Class11
Road Numbers10116
Gauge3'Std
Number Built11
BuilderBurnham, Williams & CoBaldwin
Year18931912
Valve GearStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 8.17 / 2.4911.17 / 3.40
Engine Wheelbase (ft / m)14.92 / 4.5519.33 / 5.89
Ratio of driving wheelbase to overall engine wheebase 0.55 0.58
Overall Wheelbase (engine & tender) (ft / m)42 / 12.8050.98 / 15.54
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)47,000 / 21,319130,000 / 58,967
Engine Weight (lbs / kg)56,000 / 25,401147,000 / 66,678
Tender Loaded Weight (lbs / kg)100,000 / 45,359
Total Engine and Tender Weight (lbs / kg)247,000 / 112,037
Tender Water Capacity (gals / ML)2000 / 7.585000 / 18.94
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)8 / 7.30
Minimum weight of rail (calculated) (lb/yd / kg/m)26 / 1372 / 36
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)42 / 106752 / 1321
Boiler Pressure (psi / kPa)160 / 11180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)15" x 18" / 381x45720" x 26" / 508x660
Tractive Effort (lbs / kg)13,114 / 5948.4230,600 / 13879.94
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.58 4.25
Heating Ability
Firebox Area (sq ft / m2)52.50 / 4.88182 / 16.91
Grate Area (sq ft / m2)10.70 / 0.9924.70 / 2.29
Evaporative Heating Surface (sq ft / m2)810 / 75.281836 / 170.57
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)810 / 75.281836 / 170.57
Evaporative Heating Surface/Cylinder Volume220.02194.21
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation17124446
Same as above plus superheater percentage17124446
Same as above but substitute firebox area for grate area840032,760
Power L132634531
Power MT459.17230.52