H T Farrell 2-6-0 "Mogul" Locomotives in the USA

Class Details by Steve Llanso of Sweat House Media

Class 1 (Locobase 14943)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 65, p. 117. Works number was 54025 in November 1920.

This oil-burning Mogul was built for the stock track, apparently in anticipation of orders from Cuban sugar centrals for what had become a standard plantation locomotive. Plano, Texas's HT Farrell needed a 2-6-0 of modest power to move freight and the 1 proved to be the right size.

So Baldwin made sure the engine satisfied US regulations (e.g., the boiler was no longer described as "for export") and ensured that the details were "arranged so that locomotive can be easily changed to burn coal fuel." The 1 was to "operate in a gravel pit near Dallas, Tex, and must meed all requirements of the ICC and the US Safety Appliance standards." Also, all springs were to be made "one plate heavier than usual."

It was later sold to concrete manufacturer Gifford Hill Company, which may have used it at its Holley plant near Allamoore, Tex.

Principal Dimensions by Steve Llanso of Middle Run Media

Locobase ID14943
RailroadH T Farrell
Number in Class1
Road Numbers1
Number Built1
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)11.50 / 3.51
Engine Wheelbase (ft / m)19.33 / 5.89
Ratio of driving wheelbase to overall engine wheelbase 0.59
Overall Wheelbase (engine & tender) (ft / m)46.29 / 14.11
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)97,000 / 43,999
Engine Weight (lbs / kg)112,500 / 51,029
Tender Loaded Weight (lbs / kg)85,000 / 38,555
Total Engine and Tender Weight (lbs / kg)197,500 / 89,584
Tender Water Capacity (gals / ML)4000 / 15.15
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)1800 / 6813
Minimum weight of rail (calculated) (lb/yd / kg/m)54 / 27
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)52 / 1321
Boiler Pressure (psi / kPa)180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)18" x 24" / 457x610
Tractive Effort (lbs / kg)22,879 / 10377.75
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.24
Heating Ability
Tubes (number - dia) (in / mm)219 - 2" / 51
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)11 / 3.35
Firebox Area (sq ft / m2)103 / 9.57
Grate Area (sq ft / m2)21.30 / 1.98
Evaporative Heating Surface (sq ft / m2)1355 / 125.93
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1355 / 125.93
Evaporative Heating Surface/Cylinder Volume191.65
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation3834
Same as above plus superheater percentage3834
Same as above but substitute firebox area for grate area18,540
Power L14126
Power MT281.33

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