Alabama, Tennessee & Northern 2-6-0 "Mogul" Locomotives in the USA


Class Details by Steve Llanso of Sweat House Media

Class 10 (Locobase 13178)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 31, p. See also Mississippi Rails at http://www.msrailroads.com/AT&N.htm. Works number was 31844 in October 1907.

The AT&N grew out of the Carrollton Short Line, itself a creature of John Taylor Cochrane's Tuscaloosa Belt Line and which opened between Reform, Ala and nearby Carrollton 10 miles away in 1900 and to Aliceville in 1902 and junction with the Frisco. An extension south 76 miles from Reform to York led to a name change and the AT & N was formed on 29 September 1906.

Soon afterward, the AT & N paid $9,800 to Baldwin for the 10 as one of its new engines.. Six years later, the AT & N was reorganized as a consolidation of this line, the Tombigbee Valley and the Mobile Terminal Railway. Apparently still financially shaky, the line went into receivership in 1915 and emerged in 1918 after foreclosure as the Alabama, Tennessee & Northern Railroad Corporation.

The 10 was sold in 1925 to the Mississippian Railway of Amory, Miss. and operated on their rails until scrapped in 1947.

Specifications by Steve Llanso of Sweat House Media
Class10
Locobase ID13,178
RailroadAlabama, Tennessee & Northern
CountryUSA
Whyte2-6-0
Number in Class1
Road Numbers10
GaugeStd
Number Built1
BuilderBurnham, Williams & Co
Year1907
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)12 / 3.66
Engine Wheelbase (ft / m)19.83 / 6.04
Ratio of driving wheelbase to overall engine wheebase 0.61
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)86,000 / 39,009
Engine Weight (lbs / kg)100,000 / 45,359
Tender Loaded Weight (lbs / kg)80,000 / 36,287
Total Engine and Tender Weight (lbs / kg)180,000 / 81,646
Tender Water Capacity (gals / ML)4000 / 15.15
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)48 / 24
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)48 / 1219
Boiler Pressure (psi / kPa)175 / 12.10
High Pressure Cylinders (dia x stroke) (in / mm)17" x 24" / 432x610
Tractive Effort (lbs / kg)21,494 / 9749.53
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.00
Heating Ability
Firebox Area (sq ft / m2)114.80 / 10.67
Grate Area (sq ft / m2)21.30 / 1.98
Evaporative Heating Surface (sq ft / m2)1328 / 123.42
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1328 / 123.42
Evaporative Heating Surface/Cylinder Volume210.63
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation3728
Same as above plus superheater percentage3728
Same as above but substitute firebox area for grate area20,090
Power L14223
Power MT324.77