Pacific Coast 2-8-0 "Consolidation" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 105 (Locobase 12715)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 26, p 287; Volume 27, pp. 116, 163; and Volume 28, p. 182 . Works numbers 23968 in March 1904, 24696 in September, 24847 in December, 25043 in January 1905, and 27225 in January 1906.

This quintet of Consolidations served the PCR for 30 years before the last three were retired in 1935. 109 was sold for scrap; 107-108 were retained for parts before being scrapped in 1940 (108) and 1948 (107). 106 crashed into a gasoline truck in August 1938 and was scrapped in October. 105 was scrapped in 1943.

Specifications by Steve Llanso of Sweat House Media
Locobase ID12715
RailroadPacific Coast
Number in Class5
Road Numbers105-109
Number Built5
BuilderBurnham, Williams & Co
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase11.50'
Engine Wheelbase18'
Ratio of driving wheelbase to overall engine wheebase 0.64
Overall Wheelbase (engine & tender)
Axle Loading (Maximum Weight per Axle)
Weight on Drivers64000 lbs
Engine Weight72000 lbs
Tender Light Weight55000 lbs
Total Engine and Tender Weight127000 lbs
Tender Water Capacity2900 gals
Tender Fuel Capacity (oil/coal)1500 gals
Minimum weight of rail (calculated)27 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter36"
Boiler Pressure160 psi
Cylinders (dia x stroke)16" x 20"
Tractive Effort19342 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.31
Heating Ability
Firebox Area88.70 sq. ft
Grate Area14.10 sq. ft
Evaporative Heating Surface1026 sq. ft
Superheating Surface
Combined Heating Surface1026 sq. ft
Evaporative Heating Surface/Cylinder Volume220.45
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2256
Same as above plus superheater percentage2256
Same as above but substitute firebox area for grate area14192
Power L13031
Power MT417.64

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