Y D A

Discuss equipment which does not fit in in the other forums here, like cable cranes, material handlers, drilling, piling and screen equipment

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john
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Y D A

Post #1 by john » Sun Jan 29, 2012 4:11 pm

Came across these & I don't know anymore than the heading :dizzy:
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FOWLER MAN
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Re: Y D A

Post #2 by FOWLER MAN » Sun Jan 29, 2012 5:13 pm

Hi John,
Interesting Pics. Y D A refers to the Ruston YDA range of air cooled diesels.
These can be clearly seen in most of the pics. the only aplication which surprises me is the Allis Chalmers crawler, :o I was aware of the other aplications, though I never saw one in an Aveling grader.
Some of these engines in 22RBs which I overhauled in the 1970s with twelve years plus service had no measurable crank shaft wear. :o :thumbup:
Fred


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Re: Y D A

Post #3 by gah1950 » Sun Jan 29, 2012 6:50 pm

hello fred.
i operated a 30-rb years ago on a face shovel that was fitted with a 6 yda,but it carried letter x which stands for turbocharger,it was all revs no action,would,nt pull a priest off a choir boy.
graham.


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john
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Re: Y D A

Post #4 by john » Mon Jan 30, 2012 10:38 am

Thanks Fred
That explains why they were in a pile of Weatherill stuff that I have they must of looked at the engine for one of the early 4 wheel drive macines :claphands: :claphands:
John


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