W R Grace 0-4-0 Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 1 (Locobase 14998)

Data from Roy V Wright (Ed.) 1922 Locomotive Cyclopedia of American Practice, Sixth Edition (New York: Simmons-Boardman Publishing Company, 1922), p. 1025.

Specifications by Steve Llanso of Sweat House Media
Locobase ID14,998
RailroadW R Grace
Number in Class1
Road Numbers1
Number Built1
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft)5
Engine Wheelbase (ft)5
Ratio of driving wheelbase to overall engine wheebase1
Overall Wheelbase (engine & tender) (ft)5
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)39,000
Engine Weight (lbs)39,000
Tender Loaded Weight (lbs)
Total Engine and Tender Weight (lbs)39,000
Tender Water Capacity (gals)
Tender Fuel Capacity (oil/coal) (gals/tons)
Minimum weight of rail (calculated) (lb/yd)33
Geometry Relating to Tractive Effort
Driver Diameter (in)30
Boiler Pressure (psi)170
High Pressure Cylinders (dia x stroke) (in)10" x 16"
Tractive Effort (lbs)7707
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.06
Heating Ability
Firebox Area (sq ft)39
Grate Area (sq ft) 8.10
Evaporative Heating Surface (sq ft)399
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)399
Evaporative Heating Surface/Cylinder Volume274.33
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1377
Same as above plus superheater percentage1377
Same as above but substitute firebox area for grate area6630
Power L13471
Power MT392.42

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