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 > Tag axle for truck camper rigs

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Rochester, NY

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Posted: 07/23/21 06:18am Link  |  Quote  |  Print  |  Notify Moderator

Something else I noticed, he is advertising it for towing.

Does it count as a towing double trailers? If so, not legal in NY.

He calls it a trailer. Does that mean it needs to be licensed and registered in states that require it?

Putting 10-ply tires on half ton trucks since aught-four.



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Posted: 07/23/21 07:48am Link  |  Quote  |  Print  |  Notify Moderator

Around my area in the late '50s and '60s tags were in use with pickup trucks/truck camper combo's.
A work buddy had one with his old 390ci (drop in) '68 ?? 1/2 ton Ford and a 9' 6" Fields truck camper. I don't remember the tags brand but he and his wife traveled all over western USA with the rig. He had pictures of traveling dirt/gravel roads north of Gunnison, CO to Taylor Park Lake and up to Tin Cup.

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Gig Harbor - Cave Creek

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Posted: 07/23/21 07:52am Link  |  Quote  |  Print  |  Notify Moderator

Being quick to condemn something "new" is not unusual.
The "nay-sayers" overlook those who will find the tag axle is an answer to their problems.

Being unable to afford a new truck to handle a heavy camper, or being in the position of owning an over-weight camper might well find the tag axle is a safety solution to their problem.

Roy Pack has been at this a long time.
I first saw his tag axle about five years ago at campground.
It works.



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Posted: 07/23/21 08:53am Link  |  Quote  |  Print  |  Notify Moderator

I really don't see why this wouldn't work - but I think it would only work if you stick to paved roads. The tag won't have the clearance, articulation, or tire size to match/complement your drive axle on uneven surfaces. I saw a truck camper a while back that had a tag on it - they're out there. As I think a lot of people with TCs buy them to leave the pavement, I don't see the market. But I'll fully admit that I have tunnel vision here and that's based on my own social bubble.

As said elsewhere in this thread, tire scrub is relied on all the time for tandem trailers and trucks. It looks like it might even run ST tires, which are supposed to be designed to endure more scrub than passenger tires.

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Turtle Island

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Posted: 07/23/21 08:56am Link  |  Quote  |  Print  |  Notify Moderator

Do you detractors run up to every tag/pusher axle equipped heavy truck you see and help save them from the disaster equipment that’s about to fail them?

Explanations of how more axles with brakes under a load is a hazard are welcome.


California > Nevada

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Posted: 07/23/21 09:22am Link  |  Quote  |  Print  |  Notify Moderator

n0arp wrote:

I really don't see why this wouldn't work - but I think it would only work if you stick to paved roads. .

Even paved roads do have lot of steep driveways and ditches.
Having front-mounted generator I had to be very careful going to McDonald, who had steep driveway.
With this setup, I can only imagine how it would hold when rear wheels will hang in the air.
"Something has to give" If not tag frame, than truck hitch is not design to hold such loads.
My previous bus tag axle had air bag with pressure valve. Would I drive via deep ditch, the air would be released and the tag would not get overloaded. That was tag with full size wheels, when here we are talking about wheels having 10 or 20% of main axle capacity.



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Posted: 07/23/21 09:29am Link  |  Quote  |  Print  |  Notify Moderator

mkirsch wrote:

The only thing I see wrong with the tires is they appear to be snowmobile trailer tires. Too small, turning at about light speed when you're doing 65. If you're going to be doing anything after every trip, it will be repacking wheel bearings.


I don't know about those specific tires but the ones on my ATV trailer are pretty small too.

When I'm not hauling my camper and towing my ATV on the trailer I set the cruise at 85 on the freeway. I can't even imaging the rpms those tires are spinning at but I've never had a tire or a wheel bearing problem. They claim they are M rated for 81 mph.

Those tag axles for a camper look like a very expensive was to patch a problem.

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Posted: 07/23/21 09:45am Link  |  Quote  |  Print  |  Notify Moderator

You will spend the same converting 19.5" wheels as adding a tag axle. Both give you more capacity and better handling.

Like Kayteg described, this tag has air suspension allowing control of weight distribution balance or additional articulation. This would even help those squirrelly front ends when your CG is too far back behind your axle when your waste tanks are full and fresh is empty.

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See Above

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Posted: 07/23/21 09:52am Link  |  Quote  |  Print  |  Notify Moderator


If tag/trailer axle's wheels/tires spin independently, wouldn't that eliminate tire scrubbing?

My HMMWV trailer is that way; with torsion bars for suspension.

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Grit dog

Black Diamond, WA

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Posted: 07/23/21 09:53am Link  |  Quote  |  Print  |  Notify Moderator

On the Snomobile trailer tires, yes they’ll last for a while, but like mkirsch said, they’re not great long distance high speed wheels.
Used to tow 2-3 sleds on a 2 place all over the Rockies. In the 4 years or so I had that trailer, I replaced the tires twice, spun a bearing race and had to repack bearings frequently. They don’t like all day long at 80 mph. Period. Even in cold weather. Plus they seemed more susceptible to flats being so light duty.

The biggest issue is it’s hard mounted to the vehicle. There is no practical way to modulate load on the tag.
Sorry not even. This is nothing like a bus or dump truck tag.

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