Hetch Hetchy 6

Hetch Hetchy Railroad no. 6 is a standard gauge three truck Shay locomotive built for the Hetch Hetchy Railroad by Lima Locomotive Works in 1921.

Hetch Hetchy Engine No. 6 prior to restoration
Hetch Hetchy 6
Hetch Hetchy Engine No. 6 after restoration
Type and origin
References:[1]
Power typeSteam
BuilderLima Locomotive Works
Serial number3170
Model80-ton Class C Shay
Build dateNovember 1921
Specifications
Configuration:
​
 • WhyteThree truck Shay
Gauge4 ft 8 1⁄2 in (1,435 mm)
Driver dia.36 in (914 mm)
Adhesive weight167,200 lb (76 t)
Total weight167,200 lb (76 t)
Fuel typeOil
Fuel capacity1,800 US gal (6,814 l)
Water cap3,500 US gal (13,249 l)
Boiler50 in (1,270 mm)
CylindersThree
Cylinder size13 1⁄2 in × 15 in (343 mm × 381 mm)
Performance figures
Tractive effort35,100 lbf (156 kN)
Career
Operators
  • 1921–1926: Hetch Hetchy Railroad
  • 1926–1958: Pickering Lumber Corp.
Numbers6
Retired1958
Current ownerEl Portal Transportation Museum
DispositionStatic display
Hetch Hetchy Railroad Engine No.6
LocationCA 140, El Portal, California
Coordinates37°40′27″N 119°47′11″W
Arealess than one acre
Built1921
ArchitectLima Locomotive Co.
Architectural style3T Shay Locomotive
NRHP reference No.78000360 [2]
Added to NRHPJanuary 30, 1978

Although it operated as a common carrier, the Hetch Hetchy Railroad was built by the City of San Francisco to build the O'Shaughnessy Dam across Hetch Hetchy Valley as part of the city's water supply. The dam was completed in 1923 and the railroad scaled back operations, selling some of its equipment, including #6, which was sold to Pickering Lumber Corporation in Standard, California. The locomotive served Pickering's logging operations until 1958 when it was retired.[1]

The railroad operated four Shays at different times. Number 6 was by far the largest, the only three truck Shay of the lot and weighing more than twice as much as the others.[1]

It is in a small collection of railroad equipment owned by the National Park Service near El Portal, California. Number 6 was added to the National Register of Historic Places in 1978 as Hetch Hetchy Railroad Engine No.6.[2]

References
  1. "Lima Locomotive Works, Inc. s/n 3170". Shay Locomotives. Retrieved 4 February 2010.
  2. "National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009.


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