captbone Posted October 24, 2010 Share Posted October 24, 2010 Hello I am looking into the possibility of taking a 5 speed or a twin stick 10/15/20 speed transmission out of a Mack B42 (EN401/EN402 Engine) and installing an automatic transmission so my wife can drive it. What size is the bellhousing on the EN401/EN402 engine? What transmission should I use? It does not need to do above 50 mph and will only be used to tow the boat (7000lbs). Quote Link to comment Share on other sites More sharing options...
HK Trucking Posted October 24, 2010 Share Posted October 24, 2010 Bad idea in my opinion.. Quote "If You Can't Shift It Smoothly, You Shouldn't Be Driving It" Link to comment Share on other sites More sharing options...
captbone Posted October 24, 2010 Author Share Posted October 24, 2010 Bad idea in my opinion..Please go into detail.I am open to all thoughts and ideas. I even though about pulling the EN401 and putting a 454 in place but am looking for the easiest route. Thanks Quote Link to comment Share on other sites More sharing options...
terry Posted October 24, 2010 Share Posted October 24, 2010 A big block engine already mated to an automatic would be the best route to go. Terry Quote Link to comment Share on other sites More sharing options...
HK Trucking Posted October 25, 2010 Share Posted October 25, 2010 Please go into detail.I am open to all thoughts and ideas. I even though about pulling the EN401 and putting a 454 in place but am looking for the easiest route. ThanksThose engines were never noted for their power output, even with a manual trans. Put an auto behind one and I think it would be a real dog (no pun intended). Since it's going to be a "toy" truck not pulling heavy loads, how about a 6BT Cummins from a Dodge pickup, with an automatic?.I'm no fan of automatic transmissions, but if you really must have an auto, maybe that would be the way to go. Quote "If You Can't Shift It Smoothly, You Shouldn't Be Driving It" Link to comment Share on other sites More sharing options...
b61mack Posted October 26, 2010 Share Posted October 26, 2010 Hello I am looking into the possibility of taking a 5 speed or a twin stick 10/15/20 speed transmission out of a Mack B42 (EN401/EN402 Engine) and installing an automatic transmission so my wife can drive it. What size is the bellhousing on the EN401/EN402 engine? What transmission should I use? It does not need to do above 50 mph and will only be used to tow the boat (7000lbs).how bout an International DT466 and allison automatic out of an old school bus,should be able to pick it up reasonable. Quote Link to comment Share on other sites More sharing options...
ThaddeusW Posted October 27, 2010 Share Posted October 27, 2010 how bout an International DT466 and allison automatic out of an old school bus,should be able to pick it up reasonable.A member on this forum did just that and there is a lengthy thread showing the restoration progress. I have to run in a second but someone here should be able to dig it up and post it.Here is the link: http://www.bigmacktrucks.com/index.php?showtopic=6853&hl=dt466&st=0Amazing restoration job.Good luck. Quote -Thad What America needs is less bull and more Bulldog! Link to comment Share on other sites More sharing options...
bullhusk Posted October 27, 2010 Share Posted October 27, 2010 I think the Cummins with the auto trans. out of a Dodge 3500 2 wheel drive would be awesome!!! BULLHUSK Quote Link to comment Share on other sites More sharing options...
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