dele Posted November 2, 2012 Share Posted November 2, 2012 I need someone to share his or her experience of a 1979 R611ST dump truck, specifically I want to know about the reliability of the truck and the capcity of the rear ends.Thanks guys. Quote Link to comment https://www.bigmacktrucks.com/topic/28114-r611st-experience/ Share on other sites More sharing options...
Superdog Posted November 2, 2012 Share Posted November 2, 2012 Unless somethings been changed,a R611ST would have been built as a tractor,so most likely would have 34000 lb rears and a ENDT673C engine which by '79 I think they had rated @ 260 hp.I've always been a little gun shy of tractors made into dumps unless I know who did the conversion. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/28114-r611st-experience/#findComment-144116 Share on other sites More sharing options...
slpwlker Posted November 3, 2012 Share Posted November 3, 2012 If you want to see what hell a tractor conversion goes thru go to Miami. rears are generally lighter,Driveshafts are lighter.If you not hauling heavy and not going offroad it might hold up. generally don't Quote Link to comment https://www.bigmacktrucks.com/topic/28114-r611st-experience/#findComment-144195 Share on other sites More sharing options...
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