Pacific Sugar Mill 0-4-2 Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class Pacific (Locobase 12276)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 20, p. 232. Works number was 15984 in June 1898.

The sugar-plantation engine worked for the PSMC for three decades before being sold to the Honokaa Sugar Co and renamed Kukuihaele.

Specifications by Steve Llanso of Sweat House Media
Locobase ID12276
RailroadPacific Sugar Mill
CountryHawaiian Republic
Number in Class1
Road Numbers
Number Built1
BuilderBurnham, Williams & Co
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase4'
Engine Wheelbase10'
Ratio of driving wheelbase to overall engine wheebase 0.40
Overall Wheelbase (engine & tender)10'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers
Engine Weight25000 lbs
Tender Light Weight
Total Engine and Tender Weight25000 lbs
Tender Water Capacity350 gals
Tender Fuel Capacity (oil/coal)
Minimum weight of rail (calculated)0
Geometry Relating to Tractive Effort
Driver Diameter30"
Boiler Pressure150 psi
Cylinders (dia x stroke)9" x 14"
Tractive Effort4820 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort)
Heating Ability
Firebox Area25.50 sq. ft
Grate Area 6.50 sq. ft
Evaporative Heating Surface205 sq. ft
Superheating Surface
Combined Heating Surface205 sq. ft
Evaporative Heating Surface/Cylinder Volume198.87
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation975
Same as above plus superheater percentage975
Same as above but substitute firebox area for grate area3825
Power L12419
Power MT

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