How best to safely increase towing capacity? - TundraTalk.net - Toyota Tundra Discussion Forum

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post #1 of 9 (permalink) Old 02-12-2019, 04:24 PM Thread Starter
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How best to safely increase towing capacity?

Vehicle: 2015 DC 5.7l 4x4 w/tow package; GVWR 7100.
Problem: I have an AllisChalmers D17 with a front loader- tips the scales around 6000+ w/o ballast. So even if I could get a 10 or 14k capacity trailer, the whole rig probably isn't safe (legal?) by DOT standards.
Is there a way to beef up the standard DC Tundra to handle a combo as mentioned? I have to haul this tractor about 150 miles six times per year. (Springs? Gooseneck? Both?)
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post #2 of 9 (permalink) Old 02-12-2019, 05:15 PM
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Dude. I think you need a diesel for that weight.

Although... Tundra did pull a freakin' spaceship....


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post #3 of 9 (permalink) Old 02-12-2019, 05:23 PM
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Not advisable but it can do it.



1300 mile trip twice


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post #4 of 9 (permalink) Old 02-12-2019, 09:17 PM Thread Starter
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Not sure.....big difference between “can” and “should”. If I can do it, what might be other considerations?
Brake controller?
The Tundra bigger motor and tranny seem well suited for pulling, but I don’t want to put others on the road in jeopardy.
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post #5 of 9 (permalink) Old 02-13-2019, 08:19 AM
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and you shouldnt. go rent a proper sized truck for the times you do need to do it.


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post #6 of 9 (permalink) Old 02-14-2019, 02:16 AM
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The GVWR is the total weight of the truck with passengers in the cab and a load in the bed. What is important for towing a trailer is the GCWR or the total weight of the loaded truck and the loaded trailer for which the truck is rated.

The 2015 Tundra with the 5.7L engine is rated for a tow load of up to 10,500 pounds and so safe to tow the tractor.

Always a good idea to check total weights at both truck axles and for the loaded trailer at the nearest CAT public scale. Cost is around $11 and it provides peace of mind. You can verify that the load on the hitch from the loaded trailer is within the hitch's rated capacity.
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post #7 of 9 (permalink) Old 02-14-2019, 11:24 AM
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I must be misunderstanding something here. The tractor weighs 6,000 pounds, a Tundra will tow around 10,000 pounds safely with the towing package. That leaves 4,000 pounds for the weight of the trailer and ballast. That should be OK.

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post #8 of 9 (permalink) Old 02-14-2019, 11:46 AM
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I was thinking the same thing when I reread the post.
Again, I tow a similar set up (not often) with no mods other than E tires. You definitely feel it and I wouldn't push the truck passed the 9300 mark without adding bags or helper springs.
But it can handle it.
However, even with bags, springs, tires, etc., it doesn't safely increase your capacity and I still wouldn't exceed 10k, even with mods.
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post #9 of 9 (permalink) Old 02-21-2019, 02:06 PM
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Quote:
Originally Posted by Geezer View Post
I must be misunderstanding something here. The tractor weighs 6,000 pounds, a Tundra will tow around 10,000 pounds safely with the towing package. That leaves 4,000 pounds for the weight of the trailer and ballast. That should be OK.
He did mention though that he has 4WD, that reduces the towing capacity by about 2000 pounds

2017 Tundra Crewcab 5.7L, 2WD
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