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Cat D4 40A and 7U

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16 years 6 months ago #9991 by Brian Mann
Cat D4 40A and 7U was created by Brian Mann
Good morning to all. Can someone tell me if the 40 A's and the 7U's used the same engines? Thanks for your help!

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16 years 6 months ago #9993 by gemdozer
Replied by gemdozer on topic d4
the d4 c motor and d4 7u dont use the same motor.

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16 years 6 months ago #9996 by SJ
Replied by SJ on topic Engines
The 40A uses the D330 engine a completely new & different engine than the D315 used in the D4 7U and about all the same is the bore & stroke of the two.

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16 years 6 months ago #10000 by yohan
Replied by yohan on topic Cat D4 40A and 7U
Did the D330 prove to be a better engine and make the 40A a better tractor?

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16 years 6 months ago #10004 by Old Magnet
Replied by Old Magnet on topic Cat D4 40A and 7U
Definitely not, the D330 and D333 were not great engines. Seems like the most common problem was spun bearings along with cracked heads. No where near as reliable at the D315 & D318.

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16 years 6 months ago #10015 by SJ
Replied by SJ on topic Engines
OM, you hit the nail on the head with the D330 & D333 engines. We had so much head problems esp. with the D330 in 955 loaders coming into the dealer.

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16 years 6 months ago #10029 by yohan
Replied by yohan on topic Cat D4 40A and 7U
That is great to know on the o'l D4 search.
Thank you

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