antiquelathe Posted July 11, 2015 Share Posted July 11, 2015 So, I have been looking for a Model R dump truck. I know many R road tractors have been turned into dump trucks. I have been told these have weak frames because they were ment to pull trailers. Which makes since to me. I did see a R advertised with a double frame. Are there certain years or model numbers I should be looking for? I will be using this on the farm. I will be hauling topsoil and gravel. Not every day heavy use.Thank you for your time. Quote Link to comment Share on other sites More sharing options...
Jeff M Posted July 12, 2015 Share Posted July 12, 2015 DM's were purpose-built for dump truck applications (DM stood for dump mixer) but there were lots of R's out there built as dumpers. Some were converted road tractors, some had a double frame. the DM had a 13.5" frame, R was perhaps 10". For what you want, either will work. Quote Link to comment Share on other sites More sharing options...
Lmackattack Posted July 12, 2015 Share Posted July 12, 2015 R models had single and double frame options . You could also spec a single frame in different thickness.Some of the offset cab models and heavy spec R models had frames that got much thicker behind the cab.In my opinion. Look for a RD686 or 688 that is more of a medium spec construction truck. If speced like most RDs it should have a heavy frame, more ground clearance, geared for on/off road, heavy driveline and proper axel specs for what most guys used these trucks for.That's not to say that a standard R686 or 688 won't do the job...It just won't have the more robust off road options as a RD Quote Link to comment Share on other sites More sharing options...
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