Bouncing and Chucking solution wanted
Thread Starter
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Laughing Gas
Joined: Dec 2015
Posts: 889
Likes: 38
Bouncing and Chucking solution wanted
I have a 14K lb 5er sitting on a Reese 21K hitch. Just recently got onto a bad road and thought I was on a bucking bronco, although I have only really rarely seen that on tv.
Anyway, I have a set of Timbrens that level the load just fined but recently I have been tossing arond the idea of switching to an air bag suspension or air bag pin box or air bag hitch. With a little bit of research I am now much more knowledgable and totally confused, even more than normal. But I did actually find out what chucking meant so the research was somewhat productive.
I know a bunch of fellow 5er haulers have the suspension bags but I am looking for some objective opinions from people that have any of these and whether they do what the advetisment promises.
Anyway, I have a set of Timbrens that level the load just fined but recently I have been tossing arond the idea of switching to an air bag suspension or air bag pin box or air bag hitch. With a little bit of research I am now much more knowledgable and totally confused, even more than normal. But I did actually find out what chucking meant so the research was somewhat productive.
I know a bunch of fellow 5er haulers have the suspension bags but I am looking for some objective opinions from people that have any of these and whether they do what the advetisment promises.
Elder User
Joined: Aug 2011
Posts: 858
Likes: 2
From: Chico,CA.
That trailer is more like 15,000 (+) with a typical travelling load. Air bags and a set of good rear shocks will help a lot. A Mor-Ryde pin box will help with the fore and aft chucking. I have a Montana that has a typical road weight in the upper 13's and pull it with the 350 in my sig. I am equipped as described and it behaves well even under adverse road conditions.
Now I'm going to tell you what I think you know but don't want to hear. You have too much trailer for that truck. That's 350 dually territory.
Now I'm going to tell you what I think you know but don't want to hear. You have too much trailer for that truck. That's 350 dually territory.
Moderator
Joined: May 2004
Posts: 6,508
Likes: 899
From: Home Base Nebraska
What I think you are feeling is the trailer stepping over bumps in the road, first does your trailer have shocks. I would also install Mor Ryde SRE 4000 equalizers, between the two they will dampen the axles on rough roads.
Denny
Denny
Tuned
Joined: Apr 2006
Posts: 451
Likes: 41
From: Carstairs Alberta Canada
Air pin boxes do help a lot. Air bags in the rear suspension over the timbrens would also help as you can adjust the air pressure to the load. Those to things will help with the bounce (up and down) but do nothing for the forward and back movement.
Fleet Mechanic
Joined: Nov 2012
Posts: 1,347
Likes: 110
From: Lakeland, Fl
Air bags adjust ride height only, the only improvement in ride is by getting the truck up off the overloads if you are squatting too much. Correct pin weight, air hitch/pin box and shocks on the 5th will help with chucking and bouncing if they are matched with good shocks on the TV. Just remember, some roads are just plain bad and no amount of money thrown at your rig will help, the only answer is to just slow down. I hit a section of I69 around Lansing, MI this summer and 45 mph was too fast.
Postmaster
Joined: Jul 2015
Posts: 4,392
Likes: 22
From: very South Texas
Louisiana, I 10 west bound... like driving down stairs... every concrete section .. 3 to 4 inch drop... even semi's go 35..... it about 20 miles long.
soil shift.... swamp land... bad design.. nothing will help.. avoid or slow down..
soil shift.... swamp land... bad design.. nothing will help.. avoid or slow down..
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Moderator
Joined: May 2004
Posts: 6,508
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From: Home Base Nebraska
nothing will help there. Denny
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Lead Driver
Joined: Jan 2008
Posts: 6,180
Likes: 83
From: Georgia
Did the chucking just start on that road?? Or on others as well?? Usually chucking is caused by too light of pin weight, however if it hadn't happened before, it may be the shocks on the truck contributing to the buck. I've ran airbags on my last three duallies mainly to level them up, but I do have an onboard air system to adjust on the fly. When I hit bouncy roads, I can adjust the pressure to take out the jounce. Also, my trip from GA to Wisconsin Dells last summer proved to an eye opener as far as factory shocks. The Ford shocks were terrible, so I replaced them with Bilsteins and have been extremely happy. Even on our interstates around here I find myself adjusting the bag pressures a lot less to take out the bounce since getting new shocks.
More Turbo
Joined: Sep 2016
Posts: 618
Likes: 6
Oh man we were just there - lost the valence over the front bedroom window, my coffee maker ended up on the wrong side of the trailer , pantry door opened and poured olive oil over the carpet...
NASTY bit of Road... Even then the ride really wasn't THAT bad in the truck.
Thread Starter
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Laughing Gas
Joined: Dec 2015
Posts: 889
Likes: 38
Are you using the ultimate? If so do you have the goose neck coupling or the rail mount and are you using the safety chains. No videos of normal guys installing or towing show anyone using the chains.
Laughing Gas
Joined: Nov 2010
Posts: 1,159
Likes: 33
From: Utah
The Andersen rail mount is rated at 20K and 4,500 tongue weight. That should be enough for you trailer?
I have the rail mount for a much lighter 5th wheel, you may see my thread on this:
https://www.ford-trucks.com/forums/1...sen-hitch.html
I will be installing chains soon for peace of mind using reese rail mount safety chain rings.
Overall, I love the hitch. I do have airbags and Rancho RS9000's set on firm when towing so I don't have chucking. Sous has airbags too.
I have the rail mount for a much lighter 5th wheel, you may see my thread on this:
https://www.ford-trucks.com/forums/1...sen-hitch.html
I will be installing chains soon for peace of mind using reese rail mount safety chain rings.
Overall, I love the hitch. I do have airbags and Rancho RS9000's set on firm when towing so I don't have chucking. Sous has airbags too.