Big Boy Tender | 
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| The tenders of Union Pacific "Big Boy" locomotives had 7 axles. Seven axles were need to provide support for the 28 tons of coal and 24,000 gallons of water the tender could contain to feed the Big Boy. | ||
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| Click here to see the shots of this tender at Steamtown NHS in 2006 | ||
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| ©2006 John Simakauskas | Railroad Photo Albums |