ttttrucks Posted August 31, 2015 Share Posted August 31, 2015 Can any one out there suggest a altinator that will adapt easy to my B61 deisel ? Thanks Mike. Quote Link to comment https://www.bigmacktrucks.com/topic/41582-swithing-to-altinator-on-my-b61/ Share on other sites More sharing options...
eddeere Posted August 31, 2015 Share Posted August 31, 2015 Mine had one on it when I bought it. Bracket was made from some angle iron. Any good electrical repair shop could get you the correct size. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/41582-swithing-to-altinator-on-my-b61/#findComment-302143 Share on other sites More sharing options...
Freightrain Posted September 1, 2015 Share Posted September 1, 2015 I reused the existing mount, just used a piece of all thread to mount it with some spacers set it. I then re engineered the slide bracket to reach the alternator. Been 14 yrs now.Can't recall the brand of alternator? Have to go look at it. I got it at the local starter/alt rebuild house. Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment https://www.bigmacktrucks.com/topic/41582-swithing-to-altinator-on-my-b61/#findComment-302239 Share on other sites More sharing options...
ttttrucks Posted September 1, 2015 Author Share Posted September 1, 2015 Thanks guys Quote Link to comment https://www.bigmacktrucks.com/topic/41582-swithing-to-altinator-on-my-b61/#findComment-302253 Share on other sites More sharing options...
thomastractorsvc Posted September 4, 2015 Share Posted September 4, 2015 If you search on here I did a thread on replacing mine with a AC delco one wire. I did the same as Larry and used the existing bracket. There is some part numbers and pictures. Quote Robert"I reject your reality and substitute my own." Link to comment https://www.bigmacktrucks.com/topic/41582-swithing-to-altinator-on-my-b61/#findComment-302551 Share on other sites More sharing options...
Maddog13407 Posted September 6, 2015 Share Posted September 6, 2015 yup a Delco 21SI alternator works. can even use your original pulley. might have to make a new adjustment bracket or shorter or longer belts. do yourself a favor and try to get on that's NOT from Napa or been rebuilt. get one from Mack or a heavy truck parts place. a regular Chevy one wire alternator will work to but might have trouble finding a 2 groove pulley for one. Quote Link to comment https://www.bigmacktrucks.com/topic/41582-swithing-to-altinator-on-my-b61/#findComment-302791 Share on other sites More sharing options...
BOB DINGSDALE Posted September 6, 2015 Share Posted September 6, 2015 mike Will send some pictures of my install and brand.went to 12 volt system through out. Alt with built in reg and one wire to battery Quote Link to comment https://www.bigmacktrucks.com/topic/41582-swithing-to-altinator-on-my-b61/#findComment-302796 Share on other sites More sharing options...
teleman Posted September 7, 2015 Share Posted September 7, 2015 I bought an alternator from a guy on ebay..qualitypower1..he put a double groove pulley on it and sent a bracket along that bolted to the stock generator mount..I bought it pos ground and ran it for a year then changed it over to neg. ground still keeping the series paralell switch...works good for me..Jim Quote Link to comment https://www.bigmacktrucks.com/topic/41582-swithing-to-altinator-on-my-b61/#findComment-302883 Share on other sites More sharing options...
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