Duluth, South Shore, & Atlantic 2-6-0 "Mogul" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class D-2 (Locobase 1327)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 14, p. 177. Works numbers were 9548-9551, 9553-9555, 9557-9558 in October 1888; 9618, 9622-9624, 9627, 9631 in November.

Same as Brooks-built D-1s. Original number series ran from mid-80s into the 90s, non-consecutively. Sold for scrap beginning in 1925 and ending in 1933.

(http:/fp-www.wwnet.net/`dulong/dssa/locomot.thm)

Specifications by Steve Llanso of Sweat House Media
ClassD-2
Locobase ID1327
RailroadDuluth, South Shore, & Atlantic
CountryUSA
Whyte2-6-0
Number in Class15
Road Numbers87-101/400-414
GaugeStd
Number Built15
BuilderBurnham, Parry, Williams & Co
Year1888
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)15.17 / 4.62
Engine Wheelbase (ft / m)23.17 / 7.06
Ratio of driving wheelbase to overall engine wheebase 0.65
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)78,000 / 35,380
Engine Weight (lbs / kg)118,000 / 53,524
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)3000 / 11.36
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)43 / 21.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)56 / 1422
Boiler Pressure (psi / kPa)155 / 10.70
High Pressure Cylinders (dia x stroke) (in / mm)19" x 24" / 483x610
Tractive Effort (lbs / kg)20,384 / 9246.04
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.83
Heating Ability
Firebox Area (sq ft / m2)107.42 / 9.98
Grate Area (sq ft / m2)16.90 / 1.57
Evaporative Heating Surface (sq ft / m2)1312 / 121.93
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1312 / 121.93
Evaporative Heating Surface/Cylinder Volume166.59
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2620
Same as above plus superheater percentage2620
Same as above but substitute firebox area for grate area16,650
Power L13397
Power MT288.04