Central of Georgia 2-6-6-2 Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class ML (Locobase 7111)

Data from the CofGA 11 - 1925 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. Works numbers were 59038-59047

These light Mallets served as pushers on the Sylacauga grade in Alabama, but proved to be overpowered for the Central. They were traded to the Illinois Central in 1926 for some Santa Fes. That railroad, which had gained control of the C of Ga in 1907, operated them as 6000-6009 for about 10 years before scrapping them.

See the Georgia Encyclopedia online -- http://www.georgiaencyclopedia.org/nge/Article.jsp?path=/Transportation/LandTransportation/Railroads&id=h-1282 (accessed 14 November 2005) -- for more information about the Central of Georgia.

Specifications by Steve Llanso of Sweat House Media
Locobase ID7111
RailroadCentral of Georgia (CofGa)
Number in Class10
Road Numbers1901-1910/ 6000-6009
Number Built10
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase10.33'
Engine Wheelbase31.17'
Ratio of driving wheelbase to overall engine wheebase 0.33
Overall Wheelbase (engine & tender)84.46'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers370000 lbs
Engine Weight438000 lbs
Tender Light Weight182500 lbs
Total Engine and Tender Weight620500 lbs
Tender Water Capacity9000 gals
Tender Fuel Capacity (oil/coal)17 tons
Minimum weight of rail (calculated)103 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter57"
Boiler Pressure210 psi
High Pressure Cylinders (dia x stroke)24" x 32"
Low Pressure Cylinders (dia x stroke)38" x 32" (2)
Tractive Effort82524 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.48
Heating Ability
Firebox Area397 sq. ft
Grate Area76.20 sq. ft
Evaporative Heating Surface5069 sq. ft
Superheating Surface1180 sq. ft
Combined Heating Surface6249 sq. ft
Evaporative Heating Surface/Cylinder Volume302.53
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation16002
Same as above plus superheater percentage19042
Same as above but substitute firebox area for grate area99210
Power L18394
Power MT300.09


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