mack88 Posted January 22, 2021 Share Posted January 22, 2021 would a 3406b cat engine fit in a 87 R Mack there's a E9 close by but pretty sure it wouldnt fit, Quote Link to comment Share on other sites More sharing options...
terry Posted January 22, 2021 Share Posted January 22, 2021 every cat or cummins engines i have seen in R models was in the R 700 series trucks. i don't think there is enough room, in a 600 series. terry Quote Link to comment Share on other sites More sharing options...
fjh Posted January 22, 2021 Share Posted January 22, 2021 1 hour ago, terry said: every cat or cummins engines i have seen in R models was in the R 700 series trucks. i don't think there is enough room, in a 600 series. terry If it had a v8 in it origana1ly chances are the the cat would shoe horn in there R700 Had a longer hood to accommodate the v8 and jober engines!As Terry mentioned R 600 Naw to much messin around! Quote Link to comment Share on other sites More sharing options...
mack88 Posted January 23, 2021 Author Share Posted January 23, 2021 Thanks fellows. Quote Link to comment Share on other sites More sharing options...
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