HD Trailers Team
Capacity gets a lot of attention when someone is shopping for a heavy-haul trailer. But another number can have a major impact on what that trailer can ultimately do: the weight of the trailer itself.
Often called "empty weight", this is simply what the trailer weighs before the load is added. And it is a number buyers frequently want to know. In a recent HD Trailers sales-team discussion, empty weight was identified as one of the specifications customers ask about most often.
We talked with Matt Brunscheon of XL Specialized Trailers about why trailer weight deserves a closer look, especially when a buyer is considering a specialized or custom-built trailer.
Every Pound of Trailer Makes Up Part of the Equation
A trailer may be rated to haul a certain amount of weight, but that does not mean a carrier can automatically put that much cargo on the deck. The truck, trailer and other components all contribute to the total weight.
The math is straightforward. If a particular permitted configuration allows up to 160,000 pounds gross and the truck and trailer together weigh 66,000 pounds, that leaves 94,000 pounds for the load. If the trailer weighs 2,000 pounds more, the available payload drops by the same 2,000 pounds, all else being equal.
For someone buying a trailer to pursue specific heavy-haul work, a few thousand pounds can make a big difference. But reducing trailer weight is not the only goal. The trailer still has to be configured for the work it needs to do.
Matt explains:
“Trailer weight isn’t an isolated specification. Capacity, deck height, axle configuration and other design choices all play into it, so we’re always balancing the weight of the trailer with what the customer needs that trailer to do.”
Why Estimated Weight Is Only a Starting Point
When a specialized trailer is still in the design or production stage, its weight may begin as an estimate based on the planned configuration. The completed trailer provides the number the carrier will ultimately use when planning loads.
Once the trailer is finished, its actual empty weight can be confirmed from the completed unit’s documentation, giving the carrier a concrete number to use going forward.
For buyers, the takeaway is simple: use estimated weight as a planning figure during the build process, but make sure you know the finished trailer weight before putting the equipment to work.
How Trailer Weight Impacts Your Winning Bids
For some buyers, trailer weight is more than a specification they want before making a purchase. It can be part of determining whether the equipment fits the work they are trying to win.
A carrier pursuing specialized contracts may need to provide detailed equipment specifications before a customer accepts the proposed trailer for the job. The load and the end customer’s requirements may set specific limits for overall combination weight, dimensions, loaded deck height, width, or trailer configuration.
If the trailer weighs more than expected, that additional weight has to be accounted for when determining what the complete combination can carry.
That is why asking, “What does the trailer weigh?” is not the same as asking whether a heavier trailer will use more fuel. The bigger question is what that weight leaves available for the paying load.
Before investing in your next trailer, take a closer look at the other specifications that can affect what you can haul, where you can operate and how well the trailer fits your business. Download Before You Spend $100K on a Trailer: A Buyer Guide for Heavy-Duty and Equipment Hauling for the key questions to consider before you buy.
