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Pass Through Tunnel Boxes

Pass through tunnel boxes create extra storage across the width of a truck or trailer. With access from either side, they provide unmatched convenience for loading and retrieving tools. Constructed for heavy-duty work, they keep equipment safe from the elements. Tunnel boxes are ideal for fleets and work vehicles that require maximum storage capacity.

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Buyers Black Steel Straight Side Tunnel Truck Tool Box w/Shelf

Buyers Black Steel Straight Side Tunnel Truck Box with T-Handle Latch provides convenient and spacious storage behind the cab. It features a rugged 15 Ga steel body with stainless steel T-handle latches. Has a 1/4 in. pin, stainless steel continuous hinges.The box is ideal for use on use on flatbeds and utility bodies. Mounts against the headache rack on flatbed trucks. A corrosion-resistant powder-coated finish, With a watertight automotive bulb seal, and a built-in rain channel protect your tools and equipment from weather and theft.
$1,873.99 $1,928.99

Buyers White Steel Straight Side Tunnel Truck Toolbox w/Shelf

Buyers Products White Steel Straight Side Tunnel Truck Box with T-Handle Latch provides spacious storage for behind the cab. 15GA steel body with stainless steel t-handle latches. This box is ideal for use on use on flatbeds and utility bodies.Mounts against the headache rack on flatbed trucks. Also has watertight automotive bulb seal, and a built-in rain channel protect your tools and equipment from weather and theft.
$1,999.99 $2,054.99

Buyers Diamond Tread Aluminum Straight Side Tunnel Truck Toolbox W/Shelf

Buyers Diamond Tread Aluminum Straight Side Tunnel Truck Box is has spacious storage for behind the cab. Diamond tread aluminum has a locking diecast compression latch. The box is ideal for use on use on flatbeds, stake bodies, dump bodies, and utility bodies. Mounts against the headache rack on flatbed trucks. Also has watertight automotive bulb seal, and a built-in rain channel protect your tools and equipment from weather and theft.
$2,110.99 $2,155.99

Buyers Black Steel Backpack Truck Box w/Die Cast Compression Latch

Buyers Black Steel Backpack Truck Box with Die Cast Compression Latch features a rugged 14 Ga steel body and 12 Ga doors with built-in frame mounting rails that save time on installation. Built for behind the cab and is ideal for flatbeds, stake bodies, dump bodies, and utility bodies.
$3,594.99 $3,867.99

Buyers White Steel Backpack Truck Box w/Die Cast Compression Latch

Buyers White Steel Backpack Truck Box with Die Cast Compression Latch features a rugged 14 Ga steel body and 12 Ga doors with built-in frame mounting rails that save time on installation. Built for behind the cab and is ideal for flatbeds, stake bodies, dump bodies, and utility bodies.The truck box is built with a rugged 14 Ga steel body and 12 Ga doors. Then it's powder-coated inside and out for exceptional corrosion resistance and style. A tough 1/4 in. pin, stainless steel continuous hinges, a rain channel, and watertight automotive bulb seal help keep weather and grime away from your tools. The reinforced locking, die cast compression latch provides a tight seal and helps deter theft.
$3,663.99 $3,938.99

Buyers Primed Steel Backpack Truck Box w/Flat Floor

Buyers Primed Steel Backpack Truck Box with Flat Floor features a rugged 14 Ga steel body and 12 Ga doors with built-in frame mounting rails that save time on installation. Bulit for behind the cab and is ideal for flatbeds, stake bodies, dump bodies, and utility bodies.
$3,663.99 $4,108.99

Buyers Black Steel Backpack Truck Box w/Stainless Steel Door and Flat Floor

Buyers Black Steel Backpack Truck Box with Flat Floor features a rugged 14 Ga steel body and 16 Ga Stainless Steel doors with built-in frame mounting rails that save time on installation. Built for behind the cab and is ideal for flatbeds, stake bodies, dump bodies, and utility bodies.This truck box is built with a rugged 14 Ga steel body and 16 Ga Stainless Steel doors. Then it's powder-coated inside and out for exceptional corrosion resistance and style. A tough 1/4 in. pin, stainless steel continuous hinges, a rain channel, and watertight automotive bulb seal help keep weather and grime away from your tools. The locking, stainless steel latch provides a tight seal and helps deter theft.
$4,350.99
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Pass Through Tunnel Boxes for Wreckers and Tow Trucks

For towing professionals, fleet operators, and recovery specialists, pass through tunnel boxes are an essential storage solution. Designed to span the width of the truck, these toolboxes provide maximum storage capacity while keeping gear secure, organized, and easily accessible from either side. Whether you need wrecker pass through tunnel boxes, tow truck tunnel boxes, or Miller tunnel boxes, this style of storage offers both durability and efficiency.

Why Choose a Pass Through Tunnel Box?

  • Expanded Storage Capacity – Spanning across the frame, tunnel boxes maximize space without interfering with deck or bed usage.
  • Dual-Side Access – Designed for convenience, allowing tools and equipment to be retrieved from either side of the truck.
  • Professional Durability – Built with heavy-duty aluminum or steel to withstand daily towing and recovery demands.
  • Organized Solutions – Many models come with compartments or shelves to keep gear secured and easy to locate.

With a tow truck tunnel box, operators can keep essential rigging, chains, straps, and recovery equipment protected and ready for use.

Best-Selling Pass Through Tunnel Boxes

Our selection includes top-performing models trusted by towing operators nationwide:

From Miller tunnel boxes to versatile Buyers Products models, you’ll find configurations that match your truck’s setup and your storage needs.

Trusted Brands for Tunnel Boxes

We carry leading brands like Miller Industries, Buyers Product Co., and Zip’s, each offering tunnel boxes that balance durability, convenience, and fit. Whether you’re equipping a wrecker, rollback, or tow truck, these brands deliver tested solutions that professionals trust.

Choosing the Right Tunnel Box

When selecting a pass through tunnel box, consider:

  • Vehicle Fit – Measure your frame and mounting area to ensure proper sizing.
  • Material Choice – Aluminum for corrosion resistance and lighter weight, or steel for maximum toughness.
  • Access and Organization – Choose models with shelving or interior dividers for more efficient storage.
  • Application – Wrecker operators may need heavy-duty tunnel boxes, while light-duty tow trucks may benefit from more compact options.

To keep your equipment running smoothly, we also stock Toolbox Parts for long-term maintenance and upgrades.

FAQ: Pass Through Tunnel Boxes

What is a pass through tunnel box?
It is a large storage box that spans the truck’s frame, providing access from both sides for maximum storage efficiency.

Are tunnel boxes only for wreckers?
While commonly used on wreckers, tunnel boxes are also found on rollbacks, service trucks, and other heavy-duty vehicles that require large storage solutions.

Do tunnel boxes come in different sizes?
Yes, tunnel boxes are available in a variety of sizes and configurations to fit different truck models and operator needs.

What materials are available for tunnel boxes?
Most tunnel boxes are built from aluminum for lighter weight and corrosion resistance or steel for maximum durability.