skip grandjean Posted February 20, 2012 Share Posted February 20, 2012 Hi everyone I have a 69 R Model R685ST With a ENDT 675 That needs a new starter What is the difference between a 42 mt and 40 mt starter current one is a 40 mt 12v cw 11 tooth Thanks Skip Quote Link to comment https://www.bigmacktrucks.com/topic/23381-need-starter/ Share on other sites More sharing options...
Bollweevil Posted February 20, 2012 Share Posted February 20, 2012 Hi everyone I have a 69 R Model R685ST With a ENDT 675 That needs a new starter What is the difference between a 42 mt and 40 mt starter current one is a 40 mt 12v cw 11 tooth Thanks Skip The 42MT is the later generation. You could replace either one with the other. I have had better service with the 42MT. The biggest drawback to swapping over is the core. You might not get full credit, or even no credit. Quote Link to comment https://www.bigmacktrucks.com/topic/23381-need-starter/#findComment-103125 Share on other sites More sharing options...
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