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 > Tag axle for truck camper rigs

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HMS Beagle

Napa, California

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Joined: 08/22/2003

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Posted: 07/28/21 11:04am Link  |  Quote  |  Print  |  Notify Moderator

It's like Frederick Brooks mythical man-month (if one man can write a software program in a year, then 52 can write the same one in a week). Nevertheless, that is how commercial products get tested. If you are Ford, you do not take 4 trucks and test them for 250,000 miles each to get a million miles of testing. You take a hundred trucks and run them each 10,000 miles.

In this case, if someone runs one of those tags across the country - 3000 miles - and doesn't have any issues with it, then I'd say that is a decent test. If I were buying one, my attitude would be the same as with all aftermarket equipment - it probably isn't going to be perfect, you are hoping that the flaws you are sure to find will not be terminal.


Bigfoot 10.4E, 2015 F350 6.7L DRW 2WD, Autoflex Ultra Air Ride rear suspension, Hellwig Bigwig sway bars front and rear

mellow

Salisbury, MD

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Posted: 08/19/21 12:22pm Link  |  Quote  |  Print  |  Notify Moderator

Someone posted a real life user review of this over on lance owners: https://community.lanceowners.org/topic/........ses-weight-distribution-tag-trailer-wdtt

Interesting setup.


2002 F-350 7.3 Lariat 4x4 DRW ZF6
2008 Lance 1191 - 220w of solar - Bring on the sun!

NRALIFR

Truck Camping Out West

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Joined: 11/27/2005

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Posted: 08/19/21 04:14pm Link  |  Quote  |  Print  |  Notify Moderator

Gotta be a member to see that, unfortunately.

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burningman

Seattle, WA USA

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Posted: 08/21/21 01:45pm Link  |  Quote  |  Print  |  Notify Moderator

stevenal wrote:



Note that tandem axles are placed right next to each other, and the tire sizes are equivalent. These are widely separated from the rear axle and so small there's little flex in the rubber to allow the side movement.

You can see how tire flex helps here.


No they aren’t. Big truck tandem spacing is about 5 or 6 feet, and trailers often have over 10 foot tandem axle spacing, to take advantage of bridge law formulas.
A lot of tire scrubbing happens. It’s just cheaper and lighter and simpler than making them all articulate.


2017 Northern Lite 10-2 EX CD SE
99 Ram 4x4 Dually Cummins
A whole lot more fuel, a whole lot more boost.
4.10 gears, Gear Vendors overdrive, exhaust brake
Built auto, triple disc, billet shafts.
Kelderman Air Ride, Helwig sway bar.


Hemi Joel

Minnesota

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Posted: 08/21/21 04:24pm Link  |  Quote  |  Print  |  Notify Moderator

here is a copy and paste of the review:
Just finished tweaking my new WDTT. Hooked up my boat and I am impressed.

Prior to adding the WDTT with full fuel and 25 gallons of water in my 1172 on a 2017 Ram 3500 4X4 Diesel truck my front axle was 5040(6000 axle), rear axle 9660 (9760 axle) GVW 14700 (14000 GVW) so 700 pounds over. I usually tow a boat with 300 pounds of tongue weight which puts me around 15000 somewhat un comfortable and using a 48" hitch extension I was pushing the limits on this truck.

So, I would like to announce my findings IT WORKS!!!!!

Front axle: 5280

Rear axle: 8700

GVW: 13980

Tag axle: 960

With my boat hooked up:

Front axle: 5220

Rear axle: 8720

GVW: 13940

Tag axle: 1260

Boat trailer axle: 3060

I have only towed the boat to and from the scales but it seems to tow better, time will tell when I head off to go fishing!

What is really great is Roy has gone to effort to work with the National Highway Traffic Safety Administration to get this identified as a trailer so it adds up to another 2000 pounds CGVW and as you can see it has allowed me to get under all. the door sticker weights of my truck

I've included some pictures, as Roy will explain every truck and camper are different, the WDTT has 3 points it attaches to the truck, although it can be only attached at trucks receiver. The Ram hitch make a upward curve so you cannot attach to the hitch tube with the outboard attach points I believe the Ford and GM hitch tube extend out far enough that you can clamp or bolt to the hitch.

I fabricated mounts from my bumper attach points.

Also, because of my camper and truck combination I need to have a lower attach point for a receiver hitch to to a trailer.

These are the brackets I fabricated up

A3910C9D-9C19-480D-B6B1-13ED406369F3_1_201_a

You can see how the attach points worked out for me

78AABA6C-9406-4B81-92AA-47B131651BB8_1_201_a

The reason for the narrower axle than WDTT standard width is the step and the sewer drain on the 1172 in this picture you can see the drain to the left of the tire

12BB4755-4F04-4447-8150-C442EBC3E087_1_201_a

Here is the tire and step clearance

134A1118-C57D-4C8B-9387-F794587EF8F8_1_201_a

The tube above my hitch is where the "normal" hitch extension would attach. I believe between the different distances from the truck bed and the truck receiver hitch and the camper drop down from the truck bed would this may not be required on other set ups

ADB6020C-FD6A-4519-9E23-C23228A98A95_1_201_a

As you can see here without the camper on the WDTT tires don't touch the ground

B56499E8-6E77-443B-B7E5-46964FD1649D_1_201_a

This is just a over head view of my set up

3130F258-8F75-43D2-995B-2A0ADD5C0C5B_1_201_a

A look with camper on..

A1869B11-B62F-4855-99F1-D9632F34403C_1_201_aI truly believe that Roy has a really good product.

2018 1172

2017 Ram 3500 4X4 6.7 DRW

Battle Born Battery

Victron 712

tag-trailer.com

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A3910C9D-9C19-480D-B6B1-13ED406369F3_1_201_a78AABA6C-9406-4B81-92AA-47B131651BB8_1_201_a12BB4755-4F04-4447-8150-C442EBC3E087_1_201_a134A1118-C57D-4C8B-9387-F794587EF8F8_1_201_aADB6020C-FD6A-4519-9E23-C23228A98A95_1_201_a512D61D1-9260-40C7-A543-CF37B4340265_1_201_aB56499E8-6E77-443B-B7E5-46964FD1649D_1_201_a3130F258-8F75-43D2-995B-2A0ADD5C0C5B_1_201_aA1869B11-B62F-4855-99F1-D9632F34403C_1_201_a


2018 Eagle Cap 1163 triple slide on a 93 Dodge D350 Cummins, DTT 89 torque converter, big turbo, 3 extra main leafs, Rancho 9000s rear, Monroe gas magnums front, upper overloads removed, home made stableloads, bags.


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