Dover & South Bound 2-6-0 "Mogul" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 6 (Locobase 12740)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 27, p. 172. Works numbers were 24931 in December 1904 and 37270 in November 1911.

Very small Moguls that served the Goldsboro Lumber Company on its 24.8-mile line between Dover, NC and Richlands. The 8 was delivered with a 55,000-lb tender that carried 2,500 US gallons.

6 was later sold to the W D Alderman & Sons. 8 remained with the D & SB until it was abandoned in January 1931.


Class 9 (Locobase 14703)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 62, p. 341 Works number was 52985 in February 1920.

When Goldsboro returned to Baldwin for another logging Mogul to operate on its North Carolina shortline, it specified a larger locomotive (although still quite small by most standards). The 9 also sported outside radial valve gear in place of the inside link motion.

Specifications by Steve Llanso of Sweat House Media
Class69
Locobase ID12,740 14,703
RailroadDover & South BoundDover & South Bound
CountryUSAUSA
Whyte2-6-02-6-0
Number in Class21
Road Numbers6, 89
GaugeStdStd
Number Built21
BuilderBurnham, Williams & CoBaldwin
Year19041920
Valve GearStephensonWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)10.33 / 3.1512 / 3.66
Engine Wheelbase (ft / m)16.50 / 5.0317.50 / 5.33
Ratio of driving wheelbase to overall engine wheebase 0.63 0.69
Overall Wheelbase (engine & tender) (ft / m)40.61 / 12.38
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)42,000 / 19,05162,500 / 28,350
Engine Weight (lbs / kg)52,000 / 23,58776,000 / 34,473
Tender Loaded Weight (lbs / kg)42,000 / 19,05156,000 / 25,401
Total Engine and Tender Weight (lbs / kg)94,000 / 42,638132,000 / 59,874
Tender Water Capacity (gals / ML)2000 / 7.582500 / 9.47
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)5 / 4.50
Minimum weight of rail (calculated) (lb/yd / kg/m)23 / 11.5035 / 17.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)42 / 106742 / 1067
Boiler Pressure (psi / kPa)160 / 11180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)13" x 18" / 330x45714" x 20" / 356x508
Tractive Effort (lbs / kg)9850 / 4467.8914,280 / 6477.31
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.26 4.38
Heating Ability
Firebox Area (sq ft / m2)59 / 5.4884 / 7.80
Grate Area (sq ft / m2)10.70 / 0.9914 / 1.30
Evaporative Heating Surface (sq ft / m2)479 / 44.52800 / 74.32
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)479 / 44.52800 / 74.32
Evaporative Heating Surface/Cylinder Volume173.22224.51
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation17122520
Same as above plus superheater percentage17122520
Same as above but substitute firebox area for grate area944015,120
Power L131354314
Power MT493.68456.52