From what I've seen at the factory, they all have a setup for the ladder when they are built. You would need to contact CR to find out where they are but I'm sure they can tell you.
Good luck,
Jim
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Jim & Linda Tator
Watertown, WI
2013 Crusier CF34SS GMC 3500 8.1L Dually
154 nights in 2013 - 4,370 miles
178 nights in 2014 - 5,082 miles
365 nights in 2015 - 6,040 miles
I also had my service center check intomounting a ladder on and it cannot be done on the Sunset Trail Reserves. No support for mounting is on the trailer.....