Rowland Lumber Company 2-6-2 "Prairie" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 6 (Locobase 16081)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 45, p. 22. (Thanks to Chris Hohl for his 9 May 2015 email and spreadsheet pointing out the lack of an entry for the number 6 and for supplying the detail.) Works number was 38085 in August 1912.

Rail weights on this North Carolina logging railroad were a very light 25-30 lb/yard (12.5-15 kg/metre) rail.

Specifications by Steve Llanso of Sweat House Media
Locobase ID16081
RailroadRowland Lumber Company
Number in Class1
Road Numbers6
Number Built1
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase 7.83'
Engine Wheelbase20.58'
Ratio of driving wheelbase to overall engine wheebase 0.38
Overall Wheelbase (engine & tender)39.69'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers37500 lbs
Engine Weight51000 lbs
Tender Light Weight37000 lbs
Total Engine and Tender Weight88000 lbs
Tender Water Capacity2000 gals
Tender Fuel Capacity (oil/coal)
Minimum weight of rail (calculated)21 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter36"
Boiler Pressure160 psi
Cylinders (dia x stroke)11" x 16"
Tractive Effort7314 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.13
Heating Ability
Firebox Area55 sq. ft
Grate Area14 sq. ft
Evaporative Heating Surface435 sq. ft
Superheating Surface
Combined Heating Surface435 sq. ft
Evaporative Heating Surface/Cylinder Volume247.18
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2240
Same as above plus superheater percentage2240
Same as above but substitute firebox area for grate area8800
Power L13873
Power MT683.08

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.