As stated in the subject box, we have a 2014 Montana 3150RL left-handed trailer. We recently purchased 2 recumbent trikebikes along with an Alpaca bike rack to mount on the back of our trailer. I use 2 ratchet straps attached to the receiver to minimize side sway and for/aft movement. As youse know, there is a lot of "whipping" at the back of a fifth-wheel while driving. What I want to do is install 2 eye bolts to the side of the back window in line with the top. Then attach 2 ratchet straps to take some of the weight off the receiver, thus helping to minimize movement some more. Thanks for any help, Laddie
Trying to understand what you want to do...below is a random pic I googled for the rear of a Montana. Is my sketch correctly showing what you want to do?
Hopefully others will chime in with ideas - but this sounds like a bad idea to me.
Your eyebolts would have to be anchored thru studs/structure, with big washers on the inside wall and the outer skin. It seems to me that you will be adding moment forces to the back wall that it was not designed to resist...not to mention inviting leaks and cracking the fiberglass cap. My knowledge of structural engineering and moments has just been exhausted! It just sounds like a bad idea to me - unless my sketch is wrong. Seems like you need to figure out a way to resist the rear end sway by bracing back to the frame (keep the bracing horizontal and low down at the frame level)
Mikendebbie Austin TX - Aggie '77
2019 Chevy 3500 High Country DRW
2018 Montana 3921FB
Three cute Aussies Gus+Fern+Jimmy
I would certainly avoid the eye bolt idea...that's just begging for other problems. There are simple solutions for tightening the rack in the receiver. Use something like this and call it good. A little movement isn't going to hurt the bikes but screwing eye bolts into your trailer and putting tension on them just might be an expensive mistake.
Thanks much. I understand everything you are mentioning. Your sketch shows what I was planning on doing. The only difference is the style of my rack. The top of the rack almost reaches the middle of the rear window. Now I'm wondering what about putting the eye bolts more towards the bottom of the window. Laddie
I have a receiver lock already. What I'm trying to accomplish is to minimize the for & aft whipping of the bikes while traveling on our SMOOTH ROADS! Tried calling Keystone, but they're shut down until April 8.
Almost ALL bike racks have a disclosure not to use on back of trailer (for the reasons discussed above) with that said install a receiver on the front o f the truck and put the bikes or a roof rack if possible (assuming it does not block forward view).
by the way Keystone will not advise you on this as it would be a liability to them...
Having opened up the rear cap on my 2016 3160 to install a backup camera and to rotate the 50 amp electrical connection to accept a dog-bone electrical cord connector, there is no wood backing in your fiberglass shell for your eye-bolt to go into next to either the windows either top or bottom. Your dealing with about a 1/4" to 3/8" inch thickness of fiberglass on the rear cap shell. As others have mentioned, You are just asking for trouble if you think you can secure an eye-bolt though the fiberglass. I'd look for an alternative such as the hitch clamp mentioned in a prior post. That's cheaper than having to do a fiberglass patch job on your rear cap. That's my 2 cent opinion.
Donjamin & Laurie
2016 Montana Legacy, 3160RL
2015 Ford F-250 SD 4X4
As long as there is no slop in the receiver and bike rack, it will be fine. Those bikes go through more riding them than a ride on the back of a trailer. I've had motorcycles on the back of my trailer and had no problems.
2016 3160, Legacy, Manufacturing defects corrected by me, 2014 Ram 3500 SRW SWB 4X4 6.7 Aisin Mega Cab, EBC slotted disks and brakes.