Pittsburg, Shawmut & Northern 2-10-2 "Santafe" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 98 (Locobase 5365)

Data from table in June 1907 AERJ. See also DeGolyer, Vol 29, p. 248. Works number was 30000 in January 1907.

Simple-expansion version of the Atchison, Topeka & Santa Fe tandem compound that used exactly the same boiler and firebox.

The PS & N (using Pittsburg without the "H") was a Western New York railroad that ran down into Pennsylvania.

The engine had a relatively short career before being scrapped in April 1930.

Specifications by Steve Llanso of Sweat House Media
Locobase ID5365
RailroadPittsburg, Shawmut & Northern
Number in Class1
Road Numbers98
Number Built1
BuilderBurnham, Williams & Co
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase19.75'
Engine Wheelbase35.92'
Ratio of driving wheelbase to overall engine wheebase 0.55
Overall Wheelbase (engine & tender)67.37'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers235000 lbs
Engine Weight288000 lbs
Tender Light Weight162000 lbs
Total Engine and Tender Weight450000 lbs
Tender Water Capacity8500 gals
Tender Fuel Capacity (oil/coal)14 tons
Minimum weight of rail (calculated)78 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter57"
Boiler Pressure210 psi
Cylinders (dia x stroke)28" x 32"
Tractive Effort78565 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 2.99
Heating Ability
Firebox Area210 sq. ft
Grate Area58.50 sq. ft
Evaporative Heating Surface4796 sq. ft
Superheating Surface
Combined Heating Surface4796 sq. ft
Evaporative Heating Surface/Cylinder Volume210.30
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation12285
Same as above plus superheater percentage12285
Same as above but substitute firebox area for grate area44100
Power L15114
Power MT239.88

If you have any railroad data such as diagram books, rail station plans or anything else that you would be willing to share, please contact us.