Alton & Southern 0-10-0 Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 14 (Locobase 13993)

Data from Alt&Sou 1937 Locomotive Diagram book supplied in May 2005 by Allen. Works number was 67150 in November 1930. See also DeGolyer, Vol 80, pp. 610+. (Thanks to Chris Hohl for correcting the valve gear ID and for noting the tender booster tractive effort.) Works number was 61570 in November 1930.

Big, all-adhesion switcher for this mineral road's transfer service and the last 0-10-0 Baldwin would build. It was bought for the A&S by the Aluminum Company of America (Alcoa's).

The 14 was delivered with a two-unit thermic syphon setup; later the firebox heating surface area included 108 sq ft (10 sq m) in four Nicholson thermic syphons. Another aid to providing plenty of hot steam was the superheater's share of combined heating surface area, which was quite large . Piston valves measured 14" (356 mm) in diameter.

The front truck of the tender was converted to a booster; photographs show the coupled axles (as well as aluminized cylinders, steps, and most of the boiler). Indeed, Alcoa's interest in promoting aluminum for load-bearing applications led to the specification of aluminum in many components from grab irons to side rods.

Specifications by Steve Llanso of Sweat House Media
Locobase ID13993
RailroadAlton & Southern
Number in Class1
Road Numbers14
Number Built1
Valve GearBaker
Locomotive Length and Weight
Driver Wheelbase20.83'
Engine Wheelbase20.83'
Ratio of driving wheelbase to overall engine wheebase1
Overall Wheelbase (engine & tender)67.58'
Axle Loading (Maximum Weight per Axle)64800 lbs
Weight on Drivers324000 lbs
Engine Weight324000 lbs
Tender Light Weight235000 lbs
Total Engine and Tender Weight559000 lbs
Tender Water Capacity12000 gals
Tender Fuel Capacity (oil/coal)18 tons
Minimum weight of rail (calculated)108 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter57"
Boiler Pressure230 psi
Cylinders (dia x stroke)28" x 30"
Tractive Effort80669 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.02
Heating Ability
Firebox Area344 sq. ft
Grate Area80 sq. ft
Evaporative Heating Surface3974 sq. ft
Superheating Surface1135 sq. ft
Combined Heating Surface5109 sq. ft
Evaporative Heating Surface/Cylinder Volume185.87
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation18400
Same as above plus superheater percentage22448
Same as above but substitute firebox area for grate area96526
Power L116259
Power MT553.16


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