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Big Cummins

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Old 06-25-2009, 09:04 PM
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Cummins does make some really big engines-- especially for power gen applications and such.

Rumor has it the even bigger ones are coming down the pike!

Currently the biggest Cummins engine is the QSK78 a V18 of 3500hp.

It's huge.
Old 06-26-2009, 12:27 AM
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yup I know of that one too. but we don't see it around here. mostly in prime mover power generation or the really big rock trucks.
Old 06-27-2009, 07:24 PM
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Thats what we are running on most of our new pumps.
Old 06-27-2009, 07:40 PM
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the QSK78s? on frac'ers? holy COW. definately haven't seen that kind of iron going to work here yet on a hole.
Old 06-27-2009, 08:01 PM
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so heres a 1976 GV12 Cummins. question is what are the 3 lockwired rods in the block at each cylinder? V12 natural gas powered backup generator.



Old 06-27-2009, 08:18 PM
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Originally Posted by 1-5-3-6-2-4
the QSK78s? on frac'ers? holy COW. definately haven't seen that kind of iron going to work here yet on a hole.
I meant the QSK50... I quick replied on first page...
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