BOBWhite Posted January 8 Share Posted January 8 (edited) Mh653's are 3406 Caterpillar powered and Mh652's are 3208 powered. Only 4 of the 3208 powered ones were made which isn't surprising. If I remember correctly the C-15's are 14.8 liter and C15's are 15.2 but I might have that backwards. It might also only be the C15 ACERT's that were 15.2 liter. Edited January 9 by BOBWhite Quote Link to comment Share on other sites More sharing options...
Popular Post mechohaulic Posted January 8 Popular Post Share Posted January 8 On 12/26/2023 at 4:22 PM, JMetz said: 6NZ is a C-15, and a highly sought after pre emission Cat motor. Often referred to as one of the best Cat motors produced. motors are electric ==diesel are engines 😄 2 1 Quote Link to comment Share on other sites More sharing options...
farmer52 Posted January 8 Share Posted January 8 MH653 - Caterpillar 6x2 - single drive axle 6x3 - tandem drive axles A MH652 would be a Caterpillar powered single axle. Here is the link to a YT video explaining the differences in the CAT 3400 family engines. 2 Quote Ken PRR Country and Charter member of the "Mack Pack" Link to comment Share on other sites More sharing options...
BOBWhite Posted January 9 Share Posted January 9 4 hours ago, farmer52 said: MH653 - Caterpillar 6x2 - single drive axle 6x3 - tandem drive axle A MH652 would be a Caterpillar powered single axle. Noted and fixed thank you. I have no idea where I got the idea of the model number denoting the model of engine. I did read something about the 3208 being offered in the Mh but I have never seen or heard of one. Quote Link to comment Share on other sites More sharing options...
farmer52 Posted January 9 Share Posted January 9 I am "guessing" the MH642/3 were Detroit engines? Anyone know for sure? Quote Ken PRR Country and Charter member of the "Mack Pack" Link to comment Share on other sites More sharing options...
bbigrig Posted April 13 Share Posted April 13 On 1/9/2024 at 5:31 AM, farmer52 said: I am "guessing" the MH642/3 were Detroit engines? Anyone know for sure? Yes Detroit. Only the 6V92 was offered between 1984 and 1985 from what I understand. 34 MH642 were built and 52 MH643 were built. No MHs were ever built with 60 series Detroit. 2 Quote Link to comment Share on other sites More sharing options...
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