dmoscufo Posted January 4, 2012 Share Posted January 4, 2012 MORE POWER!!! I have 87' ms-200 midliner.. What is the newest engine with auto trans that would bolt in? Looking for more power than old 87...Auto would be nice too.. Truck is in nice shape, would like to upgrade Quote Link to comment https://www.bigmacktrucks.com/topic/22472-engine-and-trans-swap/ Share on other sites More sharing options...
Rob Posted January 4, 2012 Share Posted January 4, 2012 The later mid-liners were up to 250 hp and it would be a bolt in operation. They were available with automatic transmissions also. You might be able to locate one of these in the late 1990's more inexpensive than doing the swap as these trucks really never held a good resale value. I had a couple and really liked them but parts support was lacking except through Mack dealers.Rob Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment https://www.bigmacktrucks.com/topic/22472-engine-and-trans-swap/#findComment-96700 Share on other sites More sharing options...
bbigrig Posted January 5, 2012 Share Posted January 5, 2012 Don't go too late into the 90's when looking for Midliner power. If I remember correctly our 1996 Frog-dogs were into some electronic controls for pump timing etc. (still mechanical accelerator though, but had an ECM in the dash) When matched to an Allison auto they were bolted up to Allison MD3060p's which were electronic (series just before BR/World models) Our 1994's were fully mechanical and were mated to AT series Allison trannies.(Mechanical) Normally you would see the MD series trans in the CS/MS 250-300 and AT's in CS/MS 200.I would have loved the chance to slip an L10 Cummins in a Midliner.Or why not slide an 8.3L cummins in like what was available in the CM433? (Yes I know it was an R-dog frame)Good luck, sounds like fun. Quote Link to comment https://www.bigmacktrucks.com/topic/22472-engine-and-trans-swap/#findComment-96749 Share on other sites More sharing options...
Rob Posted January 5, 2012 Share Posted January 5, 2012 Don't go too late into the 90's when looking for Midliner power. If I remember correctly our 1996 Frog-dogs were into some electronic controls for pump timing etc. (still mechanical accelerator though, but had an ECM in the dash)When matched to an Allison auto they were bolted up to Allison MD3060p's which were electronic (series just before BR/World models) Our 1994's were fully mechanical and were mated to AT series Allison trannies.(Mechanical) Normally you would see the MD series trans in the CS/MS 250-300 and AT's in CS/MS 200.I would have loved the chance to slip an L10 Cummins in a Midliner.Or why not slide an 8.3L cummins in like what was available in the CM433? (Yes I know it was an R-dog frame)Good luck, sounds like fun.My latest was 1994 and was all mechanical. I'm thinking it was rated at 240hp which was plenty for a truck of that size.Rob Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment https://www.bigmacktrucks.com/topic/22472-engine-and-trans-swap/#findComment-96759 Share on other sites More sharing options...
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