| 词条 | Hetch Hetchy 6 |
| 释义 |
| name = Hetch Hetchy 6 | powertype = Steam | image = Hetch Hetchy RR engine 9.JPG | alt = | caption =Hetch Hetchy Engine No. 6 after restoration | hatnote =References:[1] | designer = | builder = Lima Locomotive Works | ordernumber = | serialnumber = 3170 | buildmodel = 80-ton Class C Shay | builddate = November 1921 | totalproduction = | whytetype = Three truck Shay | gauge = {{track gauge|ussg}} | leadingdiameter = | driverdiameter = {{convert|36|in|mm|0|abbr=on}} | trailingdiameter = | wheelbase = | length = | weightondrivers = {{convert|167200|lb|t|0|abbr=on}} | locoweight = | tenderweight = | locotenderweight = {{convert|167200|lb|t|0|abbr=on}} | tendertype = | fueltype = Oil | watercap = {{convert|3500|USgal|l|0|abbr=on}} | fuelcap = {{convert|1800|USgal|l|0|abbr=on}} | boiler = {{convert|50|in|mm|0|abbr=on}} | boilerpressure = | feedwaterheater = | firearea = | tubearea = | fluearea = | tubesandflues = | fireboxarea = | totalsurface = | superheatertype = | superheaterarea = | cylindercount = Three | cylindersize = {{convert|13+1/2|x|15|in|mm|0|abbr=on}} | valvegear = | valvetype = | valvetravel = | valvelap = | valvelead = | maxspeed = | poweroutput = | tractiveeffort = {{convert|35100|lbf|kN|0|abbr=on}} | factorofadhesion = | locobrakes = | trainbrakes = | numinclass = | fleetnumbers = 6 | operator = {{ubl|1921–1926: Hetch Hetchy Railroad|1926–1958: Pickering Lumber Corp.}} | operatorclass = | locale = | deliverydate = | firstrundate = | lastrundate = | retiredate = 1958 | restoredate = | scrapdate = | currentowner = El Portal Transportation Museum | disposition = Static display{{Infobox NRHP | embed = yes | name = Hetch Hetchy Railroad Engine No.6 | nrhp_type = | image = | caption = | location= CA 140, El Portal, California | coordinates = {{coord|37|40|27|N|119|47|11|W|display=inline,title}} | locmapin = California#USA | built = 1921 | architect = Lima Locomotive Co. | architecture = 3T Shay Locomotive | added = January 30, 1978 | area = less than one acre | governing_body = National Park Service | refnum = 78000360 }}}} 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. 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. {{commons category|Hetch Hetchy Railroad 6}}References1. ^1 2 3 {{cite web|url=http://www.shaylocomotives.com/data/lima3354/sn-3170.htm|title= Lima Locomotive Works, Inc. s/n 3170|publisher=Shay Locomotives|accessdate=4 February 2010}} [1]}}{{Yosemite National Park}}{{NRHP in Yosemite NP}}{{National Register of Historic Places}}{{MariposaCountyCA-NRHP-stub}} 10 : Individual locomotives of the United States|History of Mariposa County, California|Railway locomotives introduced in 1921|Railway locomotives on the National Register of Historic Places|National Register of Historic Places in Mariposa County, California|Lima locomotives|Geared steam locomotives|Yosemite National Park|Standard gauge locomotives of the United States|Rail transportation on the National Register of Historic Places in California |
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