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Old 11-30-2015, 09:37 AM   #15
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Originally Posted by paz View Post
OK, that explains it. I couldn't tell from the photo that the bottom plate slides or that the round projections on the bottom had zerks. At first, I thought the projections were socket head cap screws just holding the bottom plate in place. Thanks for the explanation.

By the way, I have a Trail Air pin box. The bottom plate on mine does not slide, which was another source of my confusion..
You can replace the lower jaw with the TriGlide portion. It will lower the kingpin plate and in turn raise the front of the RV. Then the hitch should be lowered or raise the kingpin where it's bolted to the frame.

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Old 12-05-2015, 08:59 AM   #16
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Mark Bruss,
Can you elaborate more on your statement: " but many of the heavier trailers (like DRV) are near the limits for the pin box."

'05 36TK3 Mobile Suites
'10 F450 new to me
'09 F450 Lariat 4x4--died
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Old 12-05-2015, 09:08 AM   #17
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You will find the pin box rated for 20K or 21K and that is about what the GVR of a DRV.
Dale & Mark Bruss
10 Years Full-Timing now 40' Travel Supreme
Now with a 2016 Bounder 33C
Lots of RV Information at www.dmbruss.com
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Old 12-05-2015, 10:50 AM   #18
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Thanks, never gave much thought to this area of towing.
'05 36TK3 Mobile Suites
'10 F450 new to me
'09 F450 Lariat 4x4--died
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Old 12-05-2015, 03:50 PM   #19
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The higher end version is will cant and move like a moryde will also go up and down . Google up the website and you will see 3 different models.

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