Major & Loomis 0-4-4 "Forney" Locomotives of the USA


Class Details by Steve Llanso of Sweat House Media

Class 2 (Locobase 11810)

Data from Baldwin Logging Locomotives, p. 4. See also DeGolyer, Volume 30, p. 247. Works number was 30867 in May 1907.

Marsh & Loomis were based in Hertford, North Carolina.

Specifications by Steve Llanso of Sweat House Media
Class2
Locobase ID11810
RailroadMajor & Loomis
CountryUSA
Whyte0-4-4T
Number in Class1
Road Numbers2
Gauge3'
Number Built1
BuilderBurnham, Williams & Co
Year1907
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase4'
Engine Wheelbase14.17'
Ratio of driving wheelbase to overall engine wheebase 0.28
Overall Wheelbase (engine & tender)14.17'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers19300 lbs
Engine Weight31750 lbs
Tender Light Weight
Total Engine and Tender Weight31750 lbs
Tender Water Capacity500 gals
Tender Fuel Capacity (oil/coal)0.9 tons
Minimum weight of rail (calculated)16 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter28"
Boiler Pressure160 psi
Cylinders (dia x stroke)8" x 12"
Tractive Effort3730 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.17
Heating Ability
Firebox Area27 sq. ft
Grate Area 4.60 sq. ft
Evaporative Heating Surface170 sq. ft
Superheating Surface
Combined Heating Surface170 sq. ft
Evaporative Heating Surface/Cylinder Volume243.51
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation736
Same as above plus superheater percentage736
Same as above but substitute firebox area for grate area4320
Power L13262
Power MT745.23


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