Apr 27, 2009 · imho both motors are gutless. the IH has fewer problems and doesn't cost as much to fix in comparison to the CAT. i was recently spoiled badly with a buddy's 725hp CAT that ran like someone set the CAT on fire and this was with a 70ton rotator that was firmly bolted to it. the 3126/C7 should be shot and put out of it's misery.
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