U-Haul

Enclosed Cargo Trailer Rental for Secure Hauling

Need to haul tools, inventory or event gear out of sight? Rent a lockable enclosed U-Haul cargo trailer. Hitch check included. Call (909) 608-7699.

Out of sight, behind a lock: a closed trailer for tools, inventory and event gear.

Updated 6 min readBy Goodyear Elite Tire Upland Service Team

PHOTO NEEDEDEnclosed U-Haul cargo trailer with a padlock on the rear door
On this page · 6 min read
  1. Why does an enclosed trailer matter for security?
  2. How does an enclosed trailer compare with an open one?
  3. How do businesses use enclosed cargo trailers?
  4. What should you not carry in an enclosed trailer?
  5. Which enclosed trailer size should you pick?
  6. What should a contractor or vendor check before hitching up?
  7. How should you organize a business load?
  8. How do you distribute heavy tools and stock?
  9. Can your work vehicle be checked while you are here?
  10. Our Process
  11. What's Included
  12. FAQs

An enclosed cargo trailer is a fully closed U-Haul trailer with a lockable rear door. It keeps tools, inventory and personal items out of sight while you drive and while you park. Vendors, contractors and small businesses use it for jobs where security matters. Call (909) 608-7699 to reserve and confirm the size and tow match.

Why does an enclosed trailer matter for security?

Because what people cannot see, they are less likely to take. An open trailer shows everything you carry. A closed one hides the load and adds a door you can lock. That matters when you stop for lunch, park overnight, or leave the trailer at a job site for a few hours.

Security basics with an enclosed trailer:

  • Use a sturdy padlock on the rear door.
  • Park with the door facing a wall or another vehicle when you can.
  • Choose well-lit, busy parking.
  • Keep your most valuable items in your vehicle, not the trailer.
  • Photograph the load and the lock before you leave it.
PHOTO NEEDEDContractor loading tool cases into an enclosed trailer behind a work truck

How does an enclosed trailer compare with an open one?

The choice usually comes down to what you carry and where it will sit. This comparison shows the typical trade-offs. We confirm current sizes and tow requirements when you call.

FactorEnclosed cargo trailerOpen utility trailer
SecurityLockable door, load hiddenLoad visible, harder to secure
WeatherRoof and wallsExposed unless covered
Tall or odd itemsLimited by the door and roofOpen top is more flexible
Messy loadsHarder to clean insideEasy to sweep out
Freeway windTall box catches crosswindsLower profile

For tools, stock and anything valuable, enclosed usually wins. For dirt, brush and lumber, see the open utility trailer page.

PHOTO NEEDEDLabeled vendor bins strapped inside a cargo trailer

How do businesses use enclosed cargo trailers?

Small businesses rent enclosed trailers when they need extra space for a few days without buying one. It is a practical way to handle a busy week.

  • Market and fair vendors: tents, tables, displays and stock.
  • Trade show exhibitors: booth panels, banners and boxed materials.
  • Contractors: tools and materials that need to stay locked between job sites.
  • Retail and e-commerce: moving inventory to a new storage space.
  • Offices: relocating files, computers and small furniture.

If your business runs vans or trucks year round, our fleet maintenance page explains how we keep work vehicles on a schedule.

What should you not carry in an enclosed trailer?

Some items should not ride in a closed box. Heat builds up inside a trailer parked in the sun, and fumes have nowhere to go.

Do not load:

  • Gasoline, propane or other fuel containers
  • Paint thinners, pool chemicals and other hazardous materials
  • Batteries that are leaking or damaged
  • Living plants or animals, which need air and temperature control
  • Anything illegal or restricted

Drain fuel from mowers, generators and power tools before loading. If in doubt, ask when you reserve.

Which enclosed trailer size should you pick?

Pick by the volume of your load and the tow vehicle you have. Smaller trailers are easier to tow and park, while larger ones carry more but need a stronger vehicle.

  • 4x8: a vendor's small setup, a few bins of stock.
  • 5x8: a trade show booth, a contractor's tool set.
  • 6x12: a small office move, larger inventory loads.

We confirm current dimensions, capacity and tow vehicle requirements when you call.

What should a contractor or vendor check before hitching up?

Business trips leave less room for surprises, because a late arrival can cost a job or a booth slot. Run this list the day before.

  • Load list: every case and bin written down, with the stop it belongs to.
  • Padlock and key: tested, with a spare key off the main ring.
  • Straps: enough to tie off each group.
  • Tow vehicle: tire pressure set for a loaded condition, and brakes that are not squealing.
  • Light plug: clean, and working on your truck or van.
  • Parking plan: where the trailer will sit at the site or venue, and for how long.
  • Paperwork: rental documents in the cab, not in the trailer.

If your crew tows often, ask about setting up a fleet account so work trucks stay on a service schedule.

How should you organize a business load?

Organize it so you can unload in order and find things fast. Business loads often come out at several stops, so plan the order before you start.

  1. Hitch the trailer first.
  2. Load items for the last stop first, toward the front.
  3. Heavy cases low and ahead of the axle.
  4. Label bins by stop or area.
  5. Strap each group to the tie-downs.
  6. Keep a written list of what is in the trailer.

Check the tongue weight by looking at your vehicle's stance. If the rear sags heavily, rearrange.

How do you distribute heavy tools and stock?

Business loads are often dense: tool chests, generators, boxed product and display weights. Dense loads reach capacity quickly and punish poor placement.

  1. Put the densest items on the floor, just ahead of the axle.
  2. Split heavy pieces between the left and right walls.
  3. Keep nothing heavy at the rear door, even if you need it first.
  4. Use bins or cases that strap down instead of loose stacks.
  5. Recheck the load after each stop, since unloading changes the balance.

That last point catches vendors and contractors. Once items come out at one stop, the remaining weight may sit behind the axle. Slide things forward before driving on. The free towing inspection page explains tongue weight.

Can your work vehicle be checked while you are here?

Yes. Work trucks and vans often tow more than family cars, and their tires and brakes wear faster. When you pick up the trailer, we can check the tow vehicle in the same visit and give you a written estimate split into need and want.

Every trailer rental also gets a hitch check and light test. See the free towing inspection page for what we look at.

Our Process

  1. Describe the job

    Tell us what you are hauling and how long you need the trailer.

  2. Match the size

    We suggest a size and confirm your tow vehicle meets requirements.

  3. Reserve by phone

    Call (909) 608-7699 to lock in your dates.

  4. Hook up and inspect

    We check the hitch, chains and lights with the trailer connected.

  5. Load and lock

    Organize by stop, strap everything and lock the door.

What's Included

  • Enclosed cargo trailer reserved by phone
  • Size advice for business and personal loads
  • Tow vehicle match check
  • Hitch and light check at pickup
  • Security and loading tips
  • Optional work vehicle tire and brake check

Frequently asked questions

Can I lock an enclosed cargo trailer?

Yes. Use your own sturdy padlock on the rear door. Park in well-lit areas, face the door toward a wall when possible, and keep your most valuable items in your vehicle.

Can I rent an enclosed trailer for my business?

Yes. Vendors, contractors and small businesses rent enclosed trailers for events, job sites and inventory moves. Call (909) 608-7699 with your dates and tow vehicle.

Can I leave tools in the trailer overnight?

You can, but you take on the risk. Lock the door, park in a secure, lit area and keep the most valuable tools with you. Photograph the load and lock before you leave it.

Can you check my work truck before I tow?

Yes. We are a tire and repair shop, so we can look at tires, brakes and suspension during your trailer pickup and give you a written estimate before any work.

How long can I rent an enclosed trailer for a job?

The rental period is set when you reserve. Tell us the dates of your job or event, including setup and teardown days, and we explain the terms before you commit. Call (909) 608-7699 if the job runs longer than planned.

Is an enclosed trailer the same as a cargo trailer?

Yes. U-Haul cargo trailers are the enclosed ones, with a roof, walls and a rear door. This page focuses on using them for security and business loads, while the cargo trailers page compares every size side by side.

Get a written number before any work starts

Call, book, or send a quote request. We inspect first, show you what we find, and mark what is needed now and what can wait.

Goodyear Elite Tire Upland1775 W Foothill Blvd, Upland, CA 91786
(909) 608-7699 · Email us
Mon–Fri 8 AM–5 PM · Saturday: call · Sunday closed
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