Raritan River 4-6-0 "Ten-wheeler" Locomotives of the USA


Class Details by Steve Llanso of Sweat House Media

Class 3 (Locobase 11743)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 18, p. 37. See also Lucius Beebe, Highball! A Pageant of Trains (1945), Chapter 1, which is reproduced on the Raritan River website http://www.raritanriver-rr.com/Highball.htm . . Works number was 12838 in July 1892.

At the time they took delivery of this small Ten-wheeler, the line covered 12 miles from South Amboy to New Brunswick, NJ. It ran from 1892 to 1938. During World War One, the heavy demands for workers at the various defense plants in the area resulted in the carriage of almost 2 1/4 million passengers in 1918.


Class 4 (Locobase 12333)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 22, p. 69. Works number was 16528 in February 1899.

Specifications by Steve Llanso of Sweat House Media
Class34
Locobase ID11743 12333
RailroadRaritan RiverRaritan River
CountryUSAUSA
Whyte4-6-04-6-0
Number in Class11
Road Numbers34
GaugeStdStd
Number Built11
BuilderBurnham, Williams & CoBurnham, Williams & Co
Year18921899
Valve GearStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase13.83'10'
Engine Wheelbase24.06'20.15'
Ratio of driving wheelbase to overall engine wheebase 0.57 0.50
Overall Wheelbase (engine & tender)
Axle Loading (Maximum Weight per Axle)
Weight on Drivers70000 lbs66000 lbs
Engine Weight96000 lbs86000 lbs
Tender Light Weight63000 lbs
Total Engine and Tender Weight149000 lbs
Tender Water Capacity2500 gals3000 gals
Tender Fuel Capacity (oil/coal)
Minimum weight of rail (calculated)39 lb/yard37 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter54"56"
Boiler Pressure140 psi190 psi
Cylinders (dia x stroke)18" x 24"16" x 24"
Tractive Effort17136 lbs17719 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.08 3.72
Heating Ability
Firebox Area128.10 sq. ft123.20 sq. ft
Grate Area17.10 sq. ft19.72 sq. ft
Evaporative Heating Surface1464 sq. ft1255 sq. ft
Superheating Surface
Combined Heating Surface1464 sq. ft1255 sq. ft
Evaporative Heating Surface/Cylinder Volume207.11224.71
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation23943747
Same as above plus superheater percentage23943747
Same as above but substitute firebox area for grate area1793423408
Power L137515941
Power MT354.41595.35


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