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Open Roads Forum  >  Tow Vehicles

 > Towing with Lowered Truck

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Groover

Pulaski, TN

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Posted: 05/15/19 01:07pm Link  |  Quote  |  Print  |  Notify Moderator

I have driven a dually that was lowered for trailer pulling and due to constrained suspension travel the ride was extra rough. On the other hand, the suspension and driveline on trucks with steel springs are designed to function with a variety of loads and therefore a variety of ride heights it shouldn't mess things up but properly is the key word and you may have tradeoffs.

Super_Dave

Harrisville, UT

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Posted: 05/15/19 01:54pm Link  |  Quote  |  Print  |  Notify Moderator

While 1500's might have a decent tow capacity, they generally have a crappy payload capacity. If you are low now, you may be dragging ass with the trailer tongue weight. If everything else checks out okay, you might want air bags to keep you from throwing sparks at every dip in the road.


Truck: 2006 Dodge 3500 Dually
Rig: 2018 Big Country 3155 RLK
Boat: 2003 Jetcraft 2125 - Yamaha 150 HP & 8 HP Kicker


twodownzero

NM

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Posted: 05/15/19 06:28pm Link  |  Quote  |  Print  |  Notify Moderator

Grit dog wrote:

twodownzero wrote:

I just lowered mine on purpose to make it pull my 5er more level. Newer trucks are way too tall!

Was it lowered by replacing the springs, so-called "flipping" the axle, or by replacing shackles and hangers? Replacing the springs with lowering springs would inevitably lower their capacity, but the other two options retain the full spring capacity and would not really be of concern. Obviously use a proper hitch for the weight you're pulling, which would be a receiver and not the bumper. Other than that you'll probably be fine.


Wow, you just modified the OE equipment on your truck, nullifying the OE load rating by way of modification! How do you sleep at night?

Pot meet kettle.


I actually didn't modify anything. I moved spacers that were once below the axle to above the axle. It had the effect of both lowering the truck and making the overloads engage sooner. The weight capacity of the springs was unaffected. On an interesting note, I have never been able to get my overloads to engage without overloading the truck.

And the OE load rating is not affected by any modifications in any event; my state restricts trailering to "manufacturer's rated capacity." Like the law in every state in which I'm aware, modifications neither increase, nor decrease, the ratings the factory gives. The GVWR and other ratings are on the door or door jam.

Your trolling attempt is like saying that installing a different trailer hitch or having a front end alignment changes load capacity. Yet my truck, and many trucks like it, are rated for 5th wheel trailering even though the factory has no real input into how that trailer hitch will be installed in the vehicle.

Modifications are very different from deliberately overloading something that has a rated capacity signed off on by an engineer who understands the variables in play.

Super_Dave

Harrisville, UT

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Posted: 05/15/19 07:09pm Link  |  Quote  |  Print  |  Notify Moderator

twodownzero, his sarcasm went way over your head.

mkirsch

Rochester, NY

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Posted: 05/16/19 07:09am Link  |  Quote  |  Print  |  Notify Moderator

1ed wrote:

I Purchase it that way. Taking it to an expert next week.


An "expert" in lowering trucks, not necessarily towing. Take any advice he gives you with a grain of salt because he may not know a thing about modifying trucks to be lower AND have towing/hauling capacity.

Generally speaking trucks are lowered for cosmetic reasons, and the suspension modifications are not performed with towing or hauling in mind. It's all for LOOKS, and sometimes for handling.


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

mich800

Pontiac, MI

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Posted: 05/16/19 08:14am Link  |  Quote  |  Print  |  Notify Moderator

1ed wrote:

I Purchase it that way. Taking it to an expert next week.


Just to be clear. You purchased a stock used truck that you want to lower? Or is there a lift kit on it making it higher than stock?

fj12ryder

Platte City, MO

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Posted: 05/16/19 09:27am Link  |  Quote  |  Print  |  Notify Moderator

mich800 wrote:

1ed wrote:

I Purchase it that way. Taking it to an expert next week.


Just to be clear. You purchased a stock used truck that you want to lower? Or is there a lift kit on it making it higher than stock?
He bought it lowered, and wants to see about the towing capacity of it that way. That's the way I understand it.


Howard and Peggy

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JIMNLIN

Oklahoma

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Posted: 05/18/19 05:44am Link  |  Quote  |  Print  |  Notify Moderator

Quote:

On an interesting note, I have never been able to get my overloads to engage without overloading the truck.

And the OE load rating is not affected by any modifications in any event; my state restricts trailering to "manufacturer's rated capacity." Like the law in every state in which I'm aware, modifications neither increase, nor decrease, the ratings the factory gives. The GVWR and other ratings are on the door or door jam.

The reason your overloads didn't contact is their tuned to the trucks RAWR...not the truck mfg GVWR or its GVWR payload.


"good judgment comes from experience, and a lot of that comes from bad judgment" ............ Will Rogers

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Flashman

Tucson, Aizona, USA

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Posted: 05/19/19 06:11am Link  |  Quote  |  Print  |  Notify Moderator

Another Chevy low rider.

Me Again

Sunbird(Wa)/snowbird(Az)

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Posted: 05/21/19 05:48pm Link  |  Quote  |  Print  |  Notify Moderator

Speaking of Chevy low riders!

This guys see no problem with a lowered TV.

[image]


2015 RAM 3500 CC SB SRW Our Rig New 2017 Bighorn 3575el. Commuter trailer 2019 Laredo 225MK. Retired and enjoying it!


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