Natchez, Columbia & Mobile 4-6-0 "Ten-wheeler" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 6 (Locobase 12995)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 29, p. 157. Works number was 29251 in October 1906.

The Butterfield Lumber Company of Norfield operated this southern Mississippi railroad, which it opened in 1892. It never actually reached any of the three cities in its name and ultimately amassed 33.2 mainline miles from Norfield to Oakvale. Its mixed train included not only log cars, but also a mail coach, passenger coach, and other general-merchandise freight cars.

After 12 years with the NC & M, the 6 was sold in January 1918 to Denkman Lumber Company. Denkman sold the 6 to Pearl River Valley Lumber in 1933, but bought it back in 1938 and sold it again in January 1946 to King Lumber Industries. KLI scrapped the 6 in 1950

Specifications by Steve Llanso of Sweat House Media
Locobase ID12995
RailroadNatchez, Columbia & Mobile
Number in Class1
Road Numbers6
Number Built1
BuilderBurnham, Williams & Co
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase11.33'
Engine Wheelbase21.58'
Ratio of driving wheelbase to overall engine wheebase 0.53
Overall Wheelbase (engine & tender)
Axle Loading (Maximum Weight per Axle)
Weight on Drivers95500 lbs
Engine Weight121000 lbs
Tender Light Weight80000 lbs
Total Engine and Tender Weight201000 lbs
Tender Water Capacity4000 gals
Tender Fuel Capacity (oil/coal)
Minimum weight of rail (calculated)53 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter56"
Boiler Pressure180 psi
Cylinders (dia x stroke)18" x 24"
Tractive Effort21245 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.50
Heating Ability
Firebox Area146 sq. ft
Grate Area22.40 sq. ft
Evaporative Heating Surface1628 sq. ft
Superheating Surface
Combined Heating Surface1628 sq. ft
Evaporative Heating Surface/Cylinder Volume230.31
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation4032
Same as above plus superheater percentage4032
Same as above but substitute firebox area for grate area26280
Power L15604
Power MT388.11

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