mackey58 Posted July 14, 2020 Share Posted July 14, 2020 I know i should know this being around macks what's the difference between the R and RD frame rail right Quote Link to comment Share on other sites More sharing options...
j hancock Posted July 14, 2020 Share Posted July 14, 2020 The R is a 9" frame depth with .250 material thickness and the RD is a 10.62" with .312 material thickness. 2 Quote JimIt doesn't cost anything to pay attention. Link to comment Share on other sites More sharing options...
Jamaican Bulldog Posted July 14, 2020 Share Posted July 14, 2020 1 hour ago, j hancock said: The R is a 9" frame depth with .250 material thickness and the RD is a 10.62" with .312 material thickness. How does a RD frame depth and thickness compared to a DM? Quote Link to comment Share on other sites More sharing options...
Ditchdiggerjcf Posted July 14, 2020 Share Posted July 14, 2020 I always thought the RD and DM were the same until recently. I parted out an old DM recently that had a frame with an 11" cross section and 3/8 thick. Quote Link to comment Share on other sites More sharing options...
mackey58 Posted July 14, 2020 Author Share Posted July 14, 2020 Ahhh thanks mr hancock Quote Link to comment Share on other sites More sharing options...
j hancock Posted July 14, 2020 Share Posted July 14, 2020 12 hours ago, Jamaican Bulldog said: How does a RD frame depth and thickness compared to a DM? DM 400-600 frames are a little different because they have a belly. 13.37" depth in the belly and 10.75" when it straightens out through the tandem section of the frame. .375" frame material thickness. Insert frames were available as in double frame. The insert did not have a belly. DM800 are straight with a 10.62" depth and multiple inserts were available as well as outside frame plating to specifications. .312" frame material thickness. 1 Quote JimIt doesn't cost anything to pay attention. Link to comment Share on other sites More sharing options...
mackey58 Posted July 16, 2020 Author Share Posted July 16, 2020 So the difference is the frame cabs and everything else is the same on an R and RD Quote Link to comment Share on other sites More sharing options...
j hancock Posted July 17, 2020 Share Posted July 17, 2020 14 hours ago, mackey58 said: So the difference is the frame cabs and everything else is the same on an R and RD Yup, lots of interchangeable parts and pieces. Quote JimIt doesn't cost anything to pay attention. Link to comment Share on other sites More sharing options...
mackey58 Posted July 17, 2020 Author Share Posted July 17, 2020 Ok cause some guys will walk up and right away go is that an RD. I was curious how they knew right away. Thanks Mr Hancock .keep posting your cool pics Quote Link to comment Share on other sites More sharing options...
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