Ohio River 4-6-0 "Ten-Wheeler" Locomotives in the USA

Class Details by Steve Llanso of Sweat House Media

Class B-32 (Locobase 2005)

Data from Catalogue Descriptive of Simple and Compound Locomotives built by Brooks Locomotive Works, Dunkirk, NY (Buffalo, NY: Matthew-Northrup Company, 1899). Works numbers were 2654-2656

Another variant of the ORRR's Class D Ten-Wheeler with smaller drivers and middling boiler pressure. The last example retired in 1924.

Principal Dimensions by Steve Llanso of Sweat House Media
Locobase ID2005
RailroadOhio River
Number in Class3
Road Numbers27-29/302-304
Number Built3
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)13.75 / 4.19
Engine Wheelbase (ft / m)25 / 7.62
Ratio of driving wheelbase to overall engine wheebase 0.55
Overall Wheelbase (engine & tender) (ft / m)46.92 / 14.30
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)78,000 / 35,380
Engine Weight (lbs / kg)106,000 / 48,081
Tender Loaded Weight (lbs / kg)64,000 / 29,030
Total Engine and Tender Weight (lbs / kg)170,000 / 77,111
Tender Water Capacity (gals / ML)3000 / 11.36
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)6 / 5.50
Minimum weight of rail (calculated) (lb/yd / kg/m)43 / 21.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)56 / 1422
Boiler Pressure (psi / kPa)140 / 9.70
High Pressure Cylinders (dia x stroke) (in / mm)18" x 24" / 457x610
Tractive Effort (lbs / kg)16,524 / 7495.17
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.72
Heating Ability
Firebox Area (sq ft / m2)114 / 10.59
Grate Area (sq ft / m2)16.70 / 1.55
Evaporative Heating Surface (sq ft / m2)1497 / 139.13
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1497 / 139.13
Evaporative Heating Surface/Cylinder Volume211.78
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2338
Same as above plus superheater percentage2338
Same as above but substitute firebox area for grate area15,960
Power L13821
Power MT323.99

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