Hammond Lumber Company 2-6-6-2 Type Locomotives

Built as a pair (BLW 60871, 60870, respectively) these had split saddletanks on the boiler (one over each engine unit), which shortened the engine's wheelbase, like many other logging Mallets.

http://web3.foxinternet.net/sarek/mallets . #5 had the shorter career, parallelling that of #6 for the first 8 years on the Hammond Lumber and Hammon & Little River Railroad. In 1937, #5 went to Crown Willamette as their #16 and soldiered on until 1959, when she was scrapped.

#6 wandered throughout the west, winding up in Flagstaff, Arizona in 1960. She subsequently went on display in two different locations.

Data from Bruce (1950). Additional data from the Arizon Hitorical Society's History of the Pioneer Museum found (18 April 2003) at http://www.infomagic.net/~ahsnad/LocomotiveHistory.htm . They note that the 1929 price was $46,000.

Specifications
Class
Locobase ID4054
RailroadHammond Lumber Company
Whyte2-6-6-2T
Road Numbers5-6
GaugeStd
BuilderBaldwin
Year1929
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase8'
Engine Wheelbase23.67'
Ratio of driving wheelbase to overall engine wheebase 0.34
Overall Wheelbase (engine & tender)37.75'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers179100 lbs
Engine Weight220000 lbs
Tender Light Weight
Total Engine and Tender Weight220000 lbs
Tender Water Capacity2000 gals
Tender Fuel Capacity (oil/coal)1000 gals
Minimum weight per yard of rail on which locomotive could run49.75 lb rail
Geometry Relating to Tractive Effort
Driver Diameter44"
Boiler Pressure200 psi
Cylinders (dia x stroke)17" x 24"
Low Pressure Cylinders (dia x stroke)26" x 24"
Tractive Effort37545 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.77
Heating Ability
Firebox Area128 sq. ft
Grate Area26.20 sq. ft
Evaporative Heating Surface1654
Superheating Surface358
Combined Heating Surface2012
Evaporative Heating Surface/Cylinder Volume262.33
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation5240
Same as above plus superheater percentage6172.37
Same as above but substitute firebox area for grate area30155.07
Power L15485.57
Power MT405.15

Credits

Introduction and specifications provided by Steve Llanso of Sweat House Media.