Davenport stock 0-4-0 "Switcher" Locomotives in the USA

Class Details by Steve Llanso of Sweat House Media

Class unknown (Locobase 15088)

Data from set of original DLW diagrams offered for sale on Ebay in March 2013.

Principal Dimensions by Steve Llanso of Sweat House Media
Locobase ID15,088
RailroadDavenport stock
Number in Class1
Road Numbers
Number Built1
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)5 / 1.52
Engine Wheelbase (ft / m)5 / 1.52
Ratio of driving wheelbase to overall engine wheebase1
Overall Wheelbase (engine & tender) (ft / m)5 / 1.52
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)33,000 / 14,969
Engine Weight (lbs / kg)33,000 / 14,969
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)33,000
Tender Water Capacity (gals / ML)640 / 2.42
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)28 / 14
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)29 / 737
Boiler Pressure (psi / kPa)150 / 10.30
High Pressure Cylinders (dia x stroke) (in / mm)10" x 16" / 254x406
Tractive Effort (lbs / kg)7034 / 3190.57
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.69
Heating Ability
Firebox Area (sq ft / m2)46.80 / 4.35
Grate Area (sq ft / m2) 6.78 / 0.63
Evaporative Heating Surface (sq ft / m2)337 / 31.31
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)337 / 31.31
Evaporative Heating Surface/Cylinder Volume231.70
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1017
Same as above plus superheater percentage1017
Same as above but substitute firebox area for grate area7020
Power L12846
Power MT380.26

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