Duluth, South Shore, & Atlantic 4-6-0 "Ten-wheeler" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class E (Locobase 1329)

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

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 31, p 111.

Passenger locomotives originally delivered with 64" drivers, but diameter was soon increased to 67". 500 pressed 180 lb and had a slightly lower TE. All sold for scrap in 1933.

Specifications by Steve Llanso of Sweat House Media
Locobase ID1329
RailroadDuluth, South Shore, & Atlantic
Number in Class4
Road Numbers500-503
Number Built4
BuilderBurnham, Williams & Co
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase14'
Engine Wheelbase24.17'
Ratio of driving wheelbase to overall engine wheebase 0.58
Overall Wheelbase (engine & tender)54.50'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers112000 lbs
Engine Weight145000 lbs
Tender Light Weight100000 lbs
Total Engine and Tender Weight245000 lbs
Tender Water Capacity5000 gals
Tender Fuel Capacity (oil/coal)9 tons
Minimum weight of rail (calculated)62 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter64"
Boiler Pressure190 psi
Cylinders (dia x stroke)19" x 26"
Tractive Effort23685 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.73
Heating Ability
Firebox Area162 sq. ft
Grate Area28.30 sq. ft
Evaporative Heating Surface2294 sq. ft
Superheating Surface
Combined Heating Surface2294 sq. ft
Evaporative Heating Surface/Cylinder Volume268.87
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation5377
Same as above plus superheater percentage5377
Same as above but substitute firebox area for grate area30780
Power L17373
Power MT435.39

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