Single Axle vs. Tandem Axle Enclosed Trailers: Which One Do You Actually Need?

When a guy pulled up in Douglas last spring, he was pointing at the Tandem Axle Enclosed Trailers on the row and saying Give me that one, bigger is always better. Three weeks later, he was back, replacing it with a smaller one due to its excessive size for dragging lawn equipment 3 days a week. This tale unfolds more often than you would imagine. Comparing single-axle and tandem-axle enclosed trailers can’t be about who brags about their size they are about aligning the type of trailer with your intended use. After all of this you will know exactly what setup works out for you, your budget and your truck.

What’s Actually Different Between Single Axle and Tandem Axle Trailers?

The difference sounds simple on paper. One axle versus two. But that one extra axle changes almost everything about how a trailer handles, what it costs and what it can carry.

Single Axle Enclosed Trailers

Single Axle Enclosed Trailers are with wheels typically placed underneath the frame, and a tandem-axle trailer with wheels on two axles. Less maintenance, less weight, less metal. These trailers are lighter to tow they are easier to back into short driveways and are usually less expensive initially. This is where weekend haulers, small landscaping crews and those who move motorcycles and ATVs like to go.

Tandem Axle Enclosed Trailers

Tandem setups add a second axle, which spreads the load across four tires instead of two. That means higher weight capacity, more stability at highway speeds and a trailer that does not sway as much when it’s loaded unevenly. Car haulers, race trailers and anyone hauling heavier equipment daily usually end up here.

Neither one is better. They are built for different jobs, kind of like comparing a pickup to a work van. Both haul stuff.

Weight Capacity Matters More Than You Think

It is here that most buyers run into trouble. Single axle trailers generally have a maximum capacity of approximately 3,000 to 5,000 pounds GVWR based on the rating of the axle. Tandem axle enclosed trailers can often exceed 7,000 sometimes reach up to 10,000 or more with heavier-duty axles. This is the bit that people do not remember. GVWR is the weight of the trailer itself and not just the load. The weight of a 7×16 enclosed trailer can be 2,500 pounds. If it says 7000 lbs, then you have about 4500 lbs of real hauling room. Do the math before you think you need just one axle since you’re likely to blow a tire or break a frame on the interstate if you do not.

A Quick Check Before You Buy:

• Weigh your heaviest typical load, including anything stacked or attached
• Add the trailer’s empty weight to that number
• Compare it against the GVWR sticker not just the “looks big enough” test

If your loads regularly creep past 3,500 pounds, a tandem axle is probably the safer bet.

Towing Stability and Real-World Driving

Ask anyone who’s towed a lightly loaded single axle trailer through a crosswind on I-16, and they will tell you it gets squirrely fast. Single-axle trailers are more sensitive to how the weight sits inside, front to back and side to side. Load it wrong and you will feel it fishtail behind you.

Tandem axle trailers have more tolerance. The second axle is sort of a stabilizer to help distribute weight and minimize swaying that can result from loading a truck differently or when a passing semi blows a gust of wind into the cab. That additional stability is not only for comfort, but it’s also for safety reasons, particularly if you are towing something of monetary value such as a race car or custom motorcycle for extended periods of time.

One trailer buyer we worked with hauls a vintage Camaro to shows across three states. He originally looked at single-axle car haulers to save money. After one white-knuckle trip through a storm in South Georgia, he swapped to a tandem axle enclosed trailer and never looked back. Not every situation needs that level of caution, but it’s worth thinking through before the trip, not during it.

Axle Enclosed Trailers Cost Differences You Should Know About

Money talks, and this is usually the deciding factor for a lot of buyers browsing enclosed trailers for sale. Single-axle trailers cost less to buy. Fewer parts, less steel, simpler brake systems in most states since single axle trailers under a certain weight threshold sometimes don’t require brakes at all.

Tandem axle trailers cost more upfront, sometimes a few thousand dollars more depending on size and build. They also cost more to maintain long-term. Two axles mean double the bearings, double the brakes if equipped and more tires to replace over the trailer’s life. Fuel economy takes a small hit too since you are towing more weight.

That said, the math is not always in favor of a single axle just because it’s cheaper today if a tandem axle trailer saves you from a blown tire on the shoulder of a road or a swaying load that damages cargo the extra fee pays for itself fast.

Which Axle Enclosed Trailer Setup Actually Fits You

This is the question that matters most, more than any spec sheet:

• Choose a single-axle enclosed trailer if you are hauling lighter loads occasionally, backing into tight spaces regularly, or working with a smaller tow vehicle.
• Choose a tandem axle enclosed trailer if you haul heavy equipment often, tow long distances or need the added stability for valuable cargo like vehicles or race gear.

Somewhere in between, a lot of buyer’s land on a mid-size tandem for the peace of mind alone even if their loads do not technically require it that’s a personal call, not a wrong one.

Maintenance and Tire Wear

Worth mentioning because nobody talks about it enough. Tandem axle trailers scrub tires more during tight turns since both axles do not pivot independently. That means more tire wear over time compared to a single-axle setup. It’s not a dealbreaker, just a maintenance line item to budget for if you are towing in and out of tight lots regularly.

Single-axle trailers are simpler to maintain overall. One set of bearings, one set of tires, less to inspect before a long haul. For buyers who want low-fuss ownership, that simplicity counts for something.

Conclusion

Winning is impossible with either single-axle or tandem-axle enclosed trailers. It depends on the contents, frequency and distance being carried. With lighter, lighter loads and reduced budgets, the single axle is typically the choice. More substantial and frequent pulls and further highway miles typically indicate a tandem. Weigh your typical load, be honest about how you will actually use the trailer and let that decide it instead of gut instinct at the lot. When you are still considering your options, the staff at Collins Custom Cargo can go over both options with you and assist you in finding the right trailer for your situation.

FAQs

Do single axle enclosed trailers need brakes?
It depends on the state and the trailer’s GVWR. Many states only require brakes on trailers over 3,000 pounds, so lighter single axle models sometimes skip them. Always check your local regulations before towing.

Can a tandem axle enclosed trailer be backed into tight spaces?
Yes, but it takes more practice than a single axle trailer. Tandem axles turn less sharply since the wheels don’t pivot independently, so backing into narrow driveways takes a wider approach angle.

Is a tandem axle enclosed trailer worth it for occasional use?
If your loads stay light and infrequent, probably not. The added cost and maintenance mostly pay off for buyers hauling heavier or more valuable cargo regularly.

How do I know if I need single axle or tandem axle for my truck?
Check your tow vehicle’s towing capacity and tongue weight rating first. Then match that against the trailer’s loaded weight, not just the trailer’s empty weight, to make sure you’re within safe limits.