John L Roper Lumber Company 2-8-0 "Consolidation" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 105 (Locobase 14962)

Data from DeGolyer, Volume 65, pp. 243+. Works number was 53695 in September 1920.

Locobase 13177 describes JLRLC's large timber business and shows a Mogul that served the 150 miles (242 km) of logging roads. This logging Consolidation followed that engine and a Baldwin Prairie.

The 105 was later sold to Arkansas Land and Lumber. AL&L sold it to Sumter Lumber Company in Sumter, SC.

Specifications by Steve Llanso of Sweat House Media
Locobase ID14962
RailroadJohn L Roper Lumber Company
Number in Class1
Road Numbers105
Number Built1
Valve GearSouthern
Locomotive Length and Weight
Driver Wheelbase14.50'
Engine Wheelbase22.33'
Ratio of driving wheelbase to overall engine wheebase 0.65
Overall Wheelbase (engine & tender)51.58'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers110400 lbs
Engine Weight126500 lbs
Tender Light Weight90000 lbs
Total Engine and Tender Weight216500 lbs
Tender Water Capacity4500 gals
Tender Fuel Capacity (oil/coal)7 tons
Minimum weight of rail (calculated)46 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter48"
Boiler Pressure180 psi
Cylinders (dia x stroke)19" x 24"
Tractive Effort27617 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.00
Heating Ability
Firebox Area114 sq. ft
Grate Area26.20 sq. ft
Evaporative Heating Surface1601 sq. ft
Superheating Surface
Combined Heating Surface1601 sq. ft
Evaporative Heating Surface/Cylinder Volume203.28
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation4716
Same as above plus superheater percentage4716
Same as above but substitute firebox area for grate area20520
Power L13969
Power MT317.03

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.