Owner operators love simple answers. “Buy a flatbed, run hard, make money.” That works until you hit your first tall load, your first winter tarp fight, or your first shipper that refuses open freight.
Trailer choice controls what you can haul, how fast you can load and unload, how often you tarp, and how much stress you carry on every trip. It also controls who calls you back with repeat freight.
This guide breaks down step deck vs flatbed vs conestoga in plain language. You will get real numbers for legal height, typical deck height, and weight limits, plus a simple decision path you can use before you spend real money.
Most interstate freight runs under the common legal maximum height of 13 feet 6 inches. Your trailer deck height decides how much cargo height you can legally carry.
Here is the easiest way to think about it:
Now do the math:
That 18 inch to 24 inch difference changes everything. You will see taller machinery, crated equipment, and odd construction freight all day long. A step deck opens those doors.
Weight matters too. On most interstate runs, you will work within the common 80,000 lb gross rule. Your trailer weight eats into payload.
Typical empty weights (these vary by build, axles, and options):
If you run dense loads like steel coils, plate, or rebar, payload matters. A lighter trailer can put more money in your pocket if the shipper pays by the load and not by the mile.
| Trailer type | Best for | Biggest win | Biggest pain |
|---|---|---|---|
| Flatbed | general construction freight, steel, lumber, palletized loads | lowest cost, widest freight options | tarping time, weather exposure |
| Step deck (drop deck) | taller freight, machinery, crated equipment | legal height room on the lower deck | heavier trailer, load distribution rules |
| Conestoga | freight that needs weather protection but loads like a flatbed | fast cover, fewer tarp battles | higher purchase cost, heavier tare weight |
If yes, pick a step deck. You will stop arguing with permits and start accepting loads.
Examples:
If no, keep going.
If yes, conestoga can make sense. You will cover freight fast, and shippers love the clean look.
If no, keep going.
If yes, flatbed wins. It also gives you the easiest resale path because the market stays deep.
Be honest. If tarping wrecks your day, conestoga earns points even if it costs more. It can also keep you moving when rain or snow hits and everyone else slows down.
Most owner operators start here for a reason. A flatbed lets you haul a huge range of freight:
Flatbeds shine when the shipper uses forklifts or cranes. You can load from the side, from the rear, or from the top. That flexibility helps when yards stay tight.
Flatbed freight often demands securement discipline. You will use straps, chains, binders, edge protectors, and dunnage. You will also tarp often.
A real-world tarping estimate:
You can still make great money on a flatbed. You just need to price your time. When brokers offer “quick and easy,” you should still ask what the freight looks like and whether it needs tarps.
Pick flatbed if you want:
If you want to jump straight into flatbed work with a carrier that understands open deck, start here: Flatbed Owner Operator Jobs
Step deck trailers solve one big problem: height. They also solve another problem quietly: many shippers prefer a step deck for equipment because it loads easier with ramps and gives better ground clearance angles.
If you load equipment, you will care about:
You can run general flatbed freight on a step deck too, but you will not always win on payload. Your trailer weighs more. Your payment needs to reflect that.
Step deck often wins when:
If you want that lane, check: Step Deck Owner Operator Jobs
Conestoga trailers keep flatbed-style loading but add a sliding tarp system that rides on rails. You still secure the load like a flatbed, but you cover it faster and more consistently.
Conestoga fits best when you haul:
Common examples:
A good conestoga routine can save time compared to manual tarps. Instead of wrestling heavy tarps in wind, you pull the system forward and lock it down.
Typical cover time ranges:
Time matters because time equals more loads per month or fewer unpaid hours.
Conestoga costs more upfront, weighs more empty, and adds moving parts. You also need room to slide the system, and some shippers stack freight in ways that make the cover harder.
Even with those trade-offs, conestoga can win if you work with customers that value protection and fast turnaround.
If that fits your style, start here: Conestoga Owner Operator Jobs
Trailer choice feels different by season.
Flatbed and step deck demand spikes when construction ramps up. You will see more lumber, steel, and jobsite deliveries. Step deck can catch equipment moves tied to project starts.
Industrial freight comes in waves. Conestoga can catch manufacturing and building products that require protection during long-haul runs.
Trailer choice should match how you want to earn.
Choose flatbed if you want the widest freight pool and a lower investment.
Choose step deck if you want access to taller freight and equipment lanes without constant permits.
Choose conestoga if you want speed, cleaner protection, and less tarp pain, and you can handle higher cost and higher empty weight.
If you plan to step into oversized or specialized work later, you can also build a path toward heavy haul. Heavy haul involves permits, route planning, and specialized securement, but it can also open higher paying freight for the right operator. Explore that lane here: Heavy Haul Owner Operator Jobs
Ask these questions before you commit:
Answer those honestly, then pick the trailer that fits your reality, not someone else’s highlight reel.
If you already own a trailer, you can still choose the lane that fits you best. If you plan your next upgrade, you can use the decision tree above and make the move with purpose.
Browse these options and see what fits your goals:
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