Arkansas Lumber Company 4-6-0 "Ten-wheeler" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 17 (Locobase 14054)

Data from Baldwin Negative 4978 as digitized by the DeGolyer Library of Southern Methodist University and archived at,320. Works number was 41296 in April 1914.

When the ALC had extracted more than 20 years of service out of this typical Baldwin logging Ten-wheeler, it sold it to the Reader Railroad of Reader, Arkansas. The Reader later sold the engine to Meriwether Gravel Company.

Specifications by Steve Llanso of Sweat House Media
Locobase ID14,054
RailroadArkansas Lumber Company
Number in Class1
Road Numbers17
Number Built1
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft)11.75
Engine Wheelbase (ft)22.17
Ratio of driving wheelbase to overall engine wheebase 0.53
Overall Wheelbase (engine & tender) (ft)48.92
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)93,200
Engine Weight (lbs)123,000
Tender Loaded Weight (lbs)92,000
Total Engine and Tender Weight (lbs)215,000
Tender Water Capacity (gals)4500
Tender Fuel Capacity (oil/coal) (gals/tons)7
Minimum weight of rail (calculated) (lb/yd)52
Geometry Relating to Tractive Effort
Driver Diameter (in)54
Boiler Pressure (psi)200
High Pressure Cylinders (dia x stroke) (in)17" x 24"
Tractive Effort (lbs)21,836
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.27
Heating Ability
Firebox Area (sq ft)147
Grate Area (sq ft)23.50
Evaporative Heating Surface (sq ft)1843
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)1843
Evaporative Heating Surface/Cylinder Volume292.31
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation4700
Same as above plus superheater percentage4700
Same as above but substitute firebox area for grate area29,400
Power L17360
Power MT522.30

If you have any railroad data such as diagram books, rail station plans or anything else that you would be willing to share, please contact us.