FirstEliminator Posted February 28, 2006 Share Posted February 28, 2006 Hey guys, I have a bunch of classic cars. 9 old Mercs. What better way to bring classic cars to a show then by way of a classic truck. I am looking into buying a Mack B-61 tandem. The car carrier will hold 7 cars and the loaded trailer will weigh about 42,500. A friend of mine thought that it would be real slow going with a 673. How much better would a 673 turbo run? I would like to run around 65-70mph---if the gearing allows. I don't really want to slow down to 10mph going up hills. What do you guys think about this situation? What other options do I have for sufficiant power? thanks, Mark Quote Link to comment https://www.bigmacktrucks.com/topic/875-does-a-673-have-it/ Share on other sites More sharing options...
FirstEliminator Posted March 16, 2006 Author Share Posted March 16, 2006 Do you guys think I would need to do an engine swap to something later to comfortably pull a 42,500 lb trailer? What are the different engines that I could swap into a B-61? Any recomendations on what would be the best engine to go with? Mark Quote Link to comment https://www.bigmacktrucks.com/topic/875-does-a-673-have-it/#findComment-4851 Share on other sites More sharing options...
Barry Posted March 16, 2006 Share Posted March 16, 2006 I think a 673 would have enough balls to run 65-70. but it all depends on the running gears...I would go with a 237 re-power though, just because parts are getting harder to find for the 673's...just my 2 cents worth... Quote Barry - Watt's Truck Center Parts Manager and BMT Webmaster...1-888-304-MACK Link to comment https://www.bigmacktrucks.com/topic/875-does-a-673-have-it/#findComment-4853 Share on other sites More sharing options...
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