Tennessee, Alabama & Georgia 4-6-0 "Ten-wheeler" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 8 (Locobase 14346)

Data from DeGolyer, Vol 53, pp. 367-368. See also the WikiProject ICC Valuations entry for the TAG at http://en.wikipedia.org/wiki/Wikipedia:WikiProject_Trains/ICC_valuations/Tennessee,_Alabama_and_Georgia_Railroad. About North Georgia Works numbers were 43571-43572 in June 1916.

See Locobase 12899 for a brief summary of the TAG Route from its opening as the Chattanooga Southern. The north Georgia short line was headquartered in Alton Park, Tenn. It had opened a 2.6 mile branch to Coe in 1903, but by the time these locomotives were delivered, both the Coe Branch and the shorter Hillside branch had been closed. This left 91.04 miles of track, of which 86.16 miles (138.7 km) linked the Tennessee-Georgia state line with Gadsden, Ala.

If the #8 had a career after its service on the TAG, Locobase hasn't unearthed it. The TAG sold the 9 to locomotive rebuilder/reseller Birmingham Rail & Locomotive, which sold it to in February 1923 to the Mississippi Eastern. The ME operated the 9 for eleven years before selling it to the Okolona, Houston & Calhoun City of Houston, Miss in 1934. The OH&CC sent it onto Cornell Young, which sold it in 1940 to Buffalo Union Carolina.

Specifications by Steve Llanso of Sweat House Media
Locobase ID14,346
RailroadTennessee, Alabama & Georgia (TAG)
Number in Class2
Road Numbers8-9
Number Built2
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft)14
Engine Wheelbase (ft)24.33
Ratio of driving wheelbase to overall engine wheebase 0.58
Overall Wheelbase (engine & tender) (ft)52.58
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)103,500
Engine Weight (lbs)134,500
Tender Loaded Weight (lbs)90,000
Total Engine and Tender Weight (lbs)224,500
Tender Water Capacity (gals)4500
Tender Fuel Capacity (oil/coal) (gals/tons)10
Minimum weight of rail (calculated) (lb/yd)58
Geometry Relating to Tractive Effort
Driver Diameter (in)54
Boiler Pressure (psi)180
High Pressure Cylinders (dia x stroke) (in)18" x 24"
Tractive Effort (lbs)22,032
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.70
Heating Ability
Firebox Area (sq ft)150
Grate Area (sq ft)31.70
Evaporative Heating Surface (sq ft)1938
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)1938
Evaporative Heating Surface/Cylinder Volume274.17
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation5706
Same as above plus superheater percentage5706
Same as above but substitute firebox area for grate area27,000
Power L16160
Power MT393.64