Jocko Posted August 6, 2012 Share Posted August 6, 2012 hey guys if i put a mack 300 with a quad box would the trans go. a couple people told me that there would be to much tourque, is this true Quote Link to comment https://www.bigmacktrucks.com/topic/26663-question/ Share on other sites More sharing options...
theakerstwo Posted August 6, 2012 Share Posted August 6, 2012 If you was to take care of it it may live but the thing about a 300 is its good low end torque that the trans would be subject to not take. The older quad trans was good for big HP at hi rpm and that is not the way a 300 works. 1 Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/26663-question/#findComment-132468 Share on other sites More sharing options...
Jocko Posted August 7, 2012 Author Share Posted August 7, 2012 what engine would be suitable for and old quad box trans besides the 673,711,or the 237 Quote Link to comment https://www.bigmacktrucks.com/topic/26663-question/#findComment-132537 Share on other sites More sharing options...
rsb502 Posted August 7, 2012 Share Posted August 7, 2012 You pretty much named the best ones right there,a 237 with a quad would be sweet and the trans is geared for the power band in that engine. I dont think the input torque is up to the challenge of a 300 or anything larger, I cant remember what size clutch went in those from the factory thats another concern with the larger higher horsepower engines you need a bigger clutch. Quote "Any Society that would give up a little LIBERTY to gain a little SECURITY will Deserve Neither and LOSE BOTH" -Benjamin Franklin"If your gonna be STUPID, you gotta be TOUGH" "You cant always get what you want, but if you try sometimes you get what you need" Link to comment https://www.bigmacktrucks.com/topic/26663-question/#findComment-132538 Share on other sites More sharing options...
fifth wheel Posted August 7, 2012 Share Posted August 7, 2012 220,230, 250 cummins, ENDT250B/C. 318DD. and a few othersnot a 237FW Quote Link to comment https://www.bigmacktrucks.com/topic/26663-question/#findComment-132542 Share on other sites More sharing options...
rsb502 Posted August 7, 2012 Share Posted August 7, 2012 220,230, 250 cummins, ENDT250B/C. 318DD. and a few othersnot a 237FWI stand corrected, I was thinking of something else. (dont know what) Quote "Any Society that would give up a little LIBERTY to gain a little SECURITY will Deserve Neither and LOSE BOTH" -Benjamin Franklin"If your gonna be STUPID, you gotta be TOUGH" "You cant always get what you want, but if you try sometimes you get what you need" Link to comment https://www.bigmacktrucks.com/topic/26663-question/#findComment-132587 Share on other sites More sharing options...
Jocko Posted August 7, 2012 Author Share Posted August 7, 2012 because im interested in buying a b81 and it has a 237 in it and id like to go to work with it.i was just wondering if i could put anything else in there to keep up with some of the other dump trucks Quote Link to comment https://www.bigmacktrucks.com/topic/26663-question/#findComment-132608 Share on other sites More sharing options...
Green Dash Posted August 7, 2012 Share Posted August 7, 2012 220,230, 250 cummins, ENDT250B/C. 318DD. and a few othersnot a 237FWThat's kinda funny seeing the 318 listed with those smaller engines. I know why, but it's still amusing. Quote Jim Link to comment https://www.bigmacktrucks.com/topic/26663-question/#findComment-132615 Share on other sites More sharing options...
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