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Trailer Tech

The following are common questions, answers, opinion and general info regarding trailers. We do our best to be factually correct and are constantly adding to and updating this page. If you have a question, a suggestion, or even an edit, feel free to submit it here and we'll address it as soon as we can. Thanks

What are the Department Of Transportation aka D.O.T. Regulations for trailer lighting and markings?
 Click Here for Federal D.O.T. Lighting Requirements

What is GVWR and how does that relate to carrying capacity?

 

GVWR or Gross Vehicle Weight Rating is the total combined weight capacity of a trailer, including the weight of the trailer itself. It is not the Carrying Capacity or weight of the load you can safely place on a trailer. To find out the actual Carrying Capacity of a given trailer, you must subtract the weight of the empty trailer from the rated GVWR. For example a trailer with 7000lb (7k) GVWR  rating, with an empty trailer weight of 2160lbs, will have a carrying capacity of 4840 lbs.  ( 7000 - 2160 = 4840 capacity )

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GAWR or Gross Axle Weight Rating is the total combined rated capacity of the axles on a trailer. If a trailer has two 3500 lb rated axles, and springs, then the combined GAWR is 7000 lbs. Important Note: GAWR is only axle capacity and does not determine total GVWR. GAWR is simply one factor in determining the Gross Vehicle Weight Rating of any trailer. Just because a trailer has a couple 3500 lb rated axles under it, does not make it a 7000 lb GVWR trailer. Many other factors, such as frame structure, materials, coupler rating, tire ratings etc are used to determine GVWR.  " A chain is only as strong as it's weakest link " 

What is the maximum legal width of a trailer?

In most states the maximum allowable width is 102" overall.

Wood Deck vs Steel
Wood deck vs Steel diamond plate?
This is really personal preference and there are pro's and con's of each.
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Steel Diamond Plate Deck
Pro's
• Extremely durable when proper gauge ( thickness ) and cross members spacing ( min 16" oc ) are utilized to prevent warping or cupping.
• Weather proof when properly finished and maintained.
• Looks cool.
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Con's
• Significant weight increase. Steel is much heavier than wood. One 4x8' sheet of 1/8" thick Steel Diamond Plate weighs about 200 lbs, this can result in a 20ft trailer weighing as much as 800 lbs more than a wood deck, which decreases net carrying capacity by that same amount.   
• Increased cost vs wood.
• Surface is not as "grippy" as wood and things will tend to slide around if not very tightly and securely fastened down. Very slippery when wet.
• Replacement if ever damaged requires cutting, grinding, welding and refinishing. A major job.
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Wood Deck
Pro's
• Lightweight.
• Less expensive than steel.
• Much more surface grip to keep loads from shifting.
• More versatile with the ability to temporarily fasten wood runners, chocks , blocks or stops, using simple wood screws and a screw gun when hauling odd items.
• Wood is sacrificial and easily replaced on our trailers. We do not weld in the wood on our trailers like many other manufacturers do. Our trailers are design to make the wood easy to remove and replace for roughly a few hundred bucks and some screws at the nearest Home Depot or lumber yard, giving you a completely new deck with minimal effort and cost. All our wood decks are capped at both ends and securely fastened with coated deck screws to minimize warping.  
• When properly maintained with a quality wood protector that contains UV protection applied to the surface once a year, wood can last for many years.
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Con's
• It's wood. It shrinks, cracks and fades.
Bias Ply Tires vs Radial Tires...........
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