Towing & Hauling

Help with the math - GVWR

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Old Jun 22, 2010 | 07:23 AM
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Help with the math - GVWR

I just picked up a new trailer. It has a GVWR of 6000lbs. The shipping weight is 1400lbs. It's load capacity is 4000lbs. The tires have a load capacity of #2600lbs each.

When I pick up a load of 3/4" stone this weekend, how much can I carry home?
 
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Old Jun 22, 2010 | 08:39 AM
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Ummm,
Originally Posted by greencrew
load capacity is 4000lbs.
So i'd say you can tow home 2 tons of 3/4" stone. At approx 100lb/cu ft, you can get about 40 cubic feet, or 1.5 cubic yards.

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Last edited by NCSU_05_FX4; Jun 22, 2010 at 02:07 PM.
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Old Jun 22, 2010 | 12:42 PM
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Most landscape places sell most aggregates by the yard and they should know how much a yard of each material weighs. Based on various landscape material I have purchased, 1.5 yards sounds about right for a yard of most stones to weigh 4000 pounds.
 
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Old Jul 1, 2010 | 11:52 PM
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I was sitting in my Bible study today and the answer just came to me. You see, I was surprised that no one seemed concerned that the loaded weight of the trailer exceeds the load capacity of the tires. What I was not taking into consideration was the tongue weight. If 10% of the total trailer weight is resting on the truck hitch, then that would mean at 6000lbs, I would have 600 lbs on the truck, and only 5400lbs on the trailer wheels. If I load it with 4000lbs of gravel, and the trailer weighs 1400lbs, then of the total 5400lbs I would have 540lbs on the truck's hitch, and only 4860lbs on the trailer's tires, which have a combined capacity of 5200lbs.

Bring on the gravel. I think I'll get a load this weekend.
 
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