Community Forums

MtnTrek · 07-24-2016, 06:04 PM

Quote:

Originally Posted by shovelhead86

What is a Class 4 or 5 truck?

truck class:

Scottybdivin · 07-24-2016, 06:15 PM

Best combination I had with my 43' toy hauler was a 5th Airborne pin box on the 5th wheel and firestone air bags on the truck, on my F350 DRW It almost eliminated the chucking and bucking. Only on the worst bridge abutments di we get any chucking. The F350 probably didn't have to have the air bags but my pin weight was near 4K and I liked having the truck at normal level and no high beams flashing at me. I think they also worked in harmony with the 5th Airborne. There is a learning curve on how much air pressure works best.

Army Nurse · 07-24-2016, 09:08 PM

I wish the Trailair Tri Glide was still in production. I liked it's design.

MtnTrek · 07-24-2016, 09:55 PM

Quote:

Originally Posted by Army Nurse

I wish the Trailair Tri Glide was still in production. I liked it's design.

Ultra-Fab Products, Inc.| - Trailair Pin Box - Model L07 TRI-GLIDE

96PSD · 07-24-2016, 10:15 PM

I've been running a Trail-air pin box for 12 years now and never regretted it. The first 2 years before swapping the pin box on my Cedar Creek were some of the roughest rides.

Cummins12V98 · 07-25-2016, 06:23 AM

Quote:

Originally Posted by MtnTrek

Ultra-Fab Products, Inc.| - Trailair Pin Box - Model L07 TRI-GLIDE

Can you provide a link for one that is actually for sale?

96PSD · 07-25-2016, 07:38 AM

You can buy it right on that link site. Also inquire at some of the larger RV dealers in your area. They can order it in. It is important to know the current pin-box you have as they make different models to match up[ with the bolt holes and frame angle of each 5th trailer out there.

It is fairly easy to swap out your pin box with a friend or 2 to help. I had a forklift to keep it steady as I was by myself. You need some large sockets, and a torque wrench. Took me about 1- 1/2 hours to make sure I had everything lined up and tighten down to spec.

Army Nurse · 07-25-2016, 01:17 PM

Quote:

Originally Posted by MtnTrek

Ultra-Fab Products, Inc.| - Trailair Pin Box - Model L07 TRI-GLIDE

Thanks, MthTrek, but I should have been more clear. I've got the Lippert 1116. The one they still have a few left (L07) replaces the Lippert 1716 as I recall. That one would contact the sides of my bed when turning. I need the M19 Tri Glide, which is sold out and no longer produced per the manufacturer. 😭

96PSD · 07-25-2016, 01:40 PM

I found you 2-M19 pin boxes here. I spoke to the sales dept as of 3:40pm EST and they had 2 in stock

https://www.etrailer.com/Fifth-Wheel.../LC155943.html

Army Nurse · 07-25-2016, 02:39 PM

Quote:

Originally Posted by 96PSD

I found you 2-M19 pin boxes here. I spoke to the sales dept as of 3:40pm EST and they had 2 in stock

https://www.etrailer.com/Fifth-Wheel.../LC155943.html

That's the regular non-Tri Glide model with a fixed plate. They no longer produce part number 35-946232, which is the Tri Glide model. It has been replaced with the Trailair Flex Air, which they claim is better. I'm sure it's good, but I really wanted the Tri Glide. Now, I did find one a while back, but the dealer knew it was discontinued and they wanted $1700 for it. I'm way too cheap to pay over retail.

Oh well, thanks for looking, 96PSD!

Back to what Tillerman7 was asking (sorry I hijacked this, BTW), I think someone needs to do an actual independent, controlled study on these units. I'd like to know which unit performs better at handling a predetermined force in each direction. I know some claim "up to 60% reduction" in chucking, but that means nothing. Heck, 0% is technically within the range of "up to 60%."

I would bet the reason none of them directly compare themselves to any of the others is because they all have faults of some sort. Each lacks something the others have. I suppose the bottom line is this... You'll have to buy something and hope it improves whatever you're looking to improve.

Cummins12V98 · 07-26-2016, 10:19 AM

Quote:

Originally Posted by 96PSD

You can buy it right on that link site. Also inquire at some of the larger RV dealers in your area. They can order it in. It is important to know the current pin-box you have as they make different models to match up[ with the bolt holes and frame angle of each 5th trailer out there.

It is fairly easy to swap out your pin box with a friend or 2 to help. I had a forklift to keep it steady as I was by myself. You need some large sockets, and a torque wrench. Took me about 1- 1/2 hours to make sure I had everything lined up and tighten down to spec.

I don't see anywhere this is still available.

Alsdas88 · 07-26-2016, 10:32 AM

Quote:

Originally Posted by Cummins12V98

I don't see anywhere this is still available.

I am not sure where I have seen this, but in this web forum or maybe another, there has been much talk of these tri-glides and weld failures that forced the manufacturer to stop producing these units. That forum where the information was posted had many pictures of failed welds along the 3 rollers at the bottom of your picture. The failures have been recent (this year). I have no personal knowledge of failures other than what I am reporting to you. There has been talk of recalls and people filing complaints with NTSB regarding failures of this design.

MtnTrek · 07-26-2016, 04:18 PM

FWIW:
Trailair Tri-Glide hitch failure - Page 8 - Dutchmen Owners

#78

shane wood · 07-26-2016, 06:47 PM

Lippert went away from the triglide as they had a few problems with them. The 3 pins at the back were letting go. They now have the Flex air which is a better Hitch with less moving parts they combined the triglide air bag and shock with the rotoflex rubber damper on the pin plate. Contact Lippert and they are around 1200.oo