Best 24X24X60 Underbody Tool Box for Work Trucks and Trailers

#1 · Best Overall

1. Buyers Products 1705445

• Dimensions: 24"L x 24"W x 60"H
• Weight: 99 lb
• Material: Aluminum
• Capacity: 0.13 liters

Best for: Smooth-aluminum fleet box.

Why it ranks #1: Its 0.125-inch smooth aluminum body, extruded frame, rain gutter, and three-point compression latch combine sturdy construction with weather-conscious closure.

Its rigid extruded frame and 0.125-inch smooth aluminum give the Buyers Products Pro Series box a defined, heavy-duty construction for underbody tool storage. A three-point compression latch pulls the doors tight to the seal, while the rain gutter and weatherproof seal address moisture around the 24-by-24-by-60-inch barn-door box.

The rigid extruded frame and 0.125-inch smooth aluminum are specified as the box's durability features, making the construction relevant for contractors, utility workers, and maintenance professionals. A die-cast compression latch with three-point locking pulls the doors tight to the seal, supporting a rattle-free closure and secure storage. The rain gutter and weathertight seal add moisture-management features. The 24-by-24-by-60-inch size provides the fit reference for checking underbody space and door access.

Skip it if you want a steel body; Buyers Products 1754809 uses extra-thick 12-gauge powder-coated steel.

This suits utility, maintenance, and contractor vehicles needing smooth-aluminum underbody storage with weather-sealing details. Check available mounting space and barn-door clearance against its 24-by-24-by-60-inch dimensions before selecting a location.

Listed on Amazon as: Buyers Products 1705445 Silver Pro Series Smooth Aluminum Underbody Truck Box with Barn Door, 24x24x60 Inch, Durable Vehicle Tool Box for Storage and Organization

#2 · Best Bracket Kit

2. Mytee Products Aluminum Kit

• Dimensions: 20"L x 20"W x 20"H
• Weight: 130 lb
• Material: Aluminum
• Capacity: 440 lb

Best for: Flatbed trailer kit buyers.

Why it ranks #2: The 11-gauge aluminum box is rated for up to 440 pounds, and the kit includes two weld-on brackets for compatible flatbed installations.

This Mytee Products kit pairs a 24-by-24-by-60-inch aluminum toolbox with two 24-by-24-inch weld-on mounting brackets, giving flatbed trailer operators the box and brackets together. Double barndoor-style doors and a paddle lock provide access and lockable storage, while the stated 11-gauge body and doors specify substantial aluminum construction.

The 3 mm, or 11-gauge, aluminum body and doors provide the stated construction details for buyers evaluating a trailer-mounted box. Double barndoor-style doors offer access across the box opening, and the paddle lock provides lockable storage. The kit also includes two weld-on brackets sized for 24-by-24-inch flatbed trailer toolboxes, so it brings mounting components alongside the 24-by-24-by-60-inch box; plan installation around the listed weld-on bracket method.

Skip it if you need a single-door box; Mytee Products TBSS242460 has a single barndoor-style door.

This kit fits flatbed trailer operators seeking an aluminum box, double doors, paddle lock, and matching weld-on brackets in one package. Its weld-on mounting method is the key installation consideration for choosing it.

Listed on Amazon as: Mytee Products Heavy Duty Underbody Tool Box Kit – Includes 24"x24"x60" Aluminum Side Mount Tool Box w/Barndoor Double Doors & Paddle Lock & 24"x24" Weld-On Brackets for Flatbed Trailers

#3 · Best Diamond Tread

3. Buyers Products 1702250

• Dimensions: 24"L x 24"W x 60"H
• Weight: 90.5 lb
• Material: Aluminum
• Capacity: 0.1 liters

Best for: Weather-sealed aluminum storage.

Why it ranks #3: This 24x24x60 aluminum box uses 0.100-inch diamond tread, barn doors, a rain gutter, and a three-point locking system.

A built-in rain gutter and bulb seal help this Buyers Products aluminum box keep tools dry and dust-free, while its barn doors provide side-hinged access. The 24-by-24-by-60-inch Diamond Tread model also pairs a locking die-cast compression latch with a continuous aluminum hinge and solid quarter-inch pin for secured work-truck storage.

The 0.100-inch diamond-tread aluminum construction is described as corrosion-resistant and lightweight, supporting use on flatbeds, trailers, and work trucks. For weather protection, the built-in rain gutter and bulb seal work alongside the compression latch to create a weather-resistant closure. The continuous aluminum hinge and solid quarter-inch pin add specified door hardware, while the three-point locking system adds security. The listed maximum weight recommendation is 200 pounds, a useful loading boundary.

Skip it if you need a stated capacity above 200 pounds; Mytee Products TBSS242460 lists up to 400 pounds.

This is a fit for work-truck, flatbed, or trailer owners seeking aluminum storage with stated weather-sealing features and barn-door access. Keep the listed 200-pound maximum weight recommendation in view when planning what to carry.

Listed on Amazon as: Buyers Products 1702250 Underbody Truck Tool Box with Barn Doors, 24x24x60 Inch, Diamond Tread Aluminum, Made in USA, Compression Latch, Weather Resistant, Toolbox for Flatbeds, Trailers & Work Trucks

#4 · Thickest Steel

4. Buyers Products 1754809

• Dimensions: 24"L x 24"W x 60"H
• Weight: 160 lb
• Material: Carbon Steel

Best for: Heavy-gauge steel storage.

Why it ranks #4: Its 12-gauge powder-coated steel body is the thickest stated steel construction here, with an external rain gutter and automotive bulb seal.

Extra-thick 12-gauge powder-coated steel is the defining construction of the Buyers Products Pro Series 24-by-24-by-60-inch underbody box. Its stated applications include flatbed, stake, dump, and utility bodies, as well as flatbed trailers, giving operators across those vehicle types a steel storage option.

The 12-gauge powder-coated steel body supplies a specific construction choice for contractors, trades, and trailer operators seeking a steel underbody box. An external rain gutter and automotive bulb seal are described as protecting tools and equipment from moisture, a useful combination for gear carried on flatbeds, stake bodies, dump bodies, utility bodies, or trailers. The listed dimensions are 24 by 24 by 60 inches, so compare that footprint with the intended mounting area and access requirements.

Skip it if you want aluminum construction; Buyers Products 1705445 uses smooth aluminum with an extruded frame.

This is suited to contractors, trades, and trailer operators whose vehicle type matches the listed applications and who prefer a powder-coated steel body. Check the 24-by-24-by-60-inch footprint against available mounting space.

Listed on Amazon as: Buyers Products 1754809, 24x24x60" Pro Series Black Steel Underbody Truck Box

#5

5. Buyers Products 1704415

• Dimensions: 24"L x 24"W x 60"H
• Material: Alloy Steel
• Capacity: 168.96 liters

Best for: Steel-bodied work-truck storage.

Why it ranks #5: The 14-gauge carbon steel body has a white powder-coated finish, recessed drop door, continuous hidden hinge, and locking stainless latch.

A 14-gauge carbon steel body gives the Buyers Products 1704415 a substantial alternative to aluminum underbody boxes, while its white powder-coated finish adds a corrosion-resistant surface. The 24-by-24-by-60-inch box pairs that construction with a recessed drop door and locking stainless latch for enclosed work-truck storage.

The 14-gauge carbon steel body and white powder-coated finish make this box a fit for buyers prioritizing steel construction with a corrosion-resistant coating. A recessed drop door, continuous hidden hinge, and locking stainless steel latch create an enclosed access point for tools during transport. The title specifies a 24-by-24-by-60-inch footprint; check the mounting area and access clearance on the intended truck or flatbed before installation.

Skip it if you want an aluminum body; Buyers Products 1705145 uses diamond-tread aluminum instead.

Choose this for a work truck or flatbed where a coated steel body, recessed door, and locking latch suit the storage setup. Confirm that the 24-by-24-by-60-inch box and drop-door access work with the vehicle layout.

Listed on Amazon as: Buyers Products 1704415 White Steel Underbody Truck Tool Box, 24 x 24 x 60, Made in USA, 14 Ga Steel, Locking Stainless Latch, Weather-Resistant, Powder-Coated, Secure Storage for Work Trucks

#6

6. Buyers Products 1704715

• Dimensions: 60"L x 24"W x 24"H
• Weight: 163 lb
• Material: Stainless Steel, Steel

Best for: Steel body, stainless door.

Why it ranks #6: A 14-gauge steel body and 16-gauge polished stainless-steel door provide a distinct mixed-material design with a replaceable gasket system.

A polished 16-gauge stainless steel door contrasts with this Buyers Products box’s 14-gauge steel body, giving buyers two distinct materials in one underbody toolbox. Its locking compression latch and replaceable gasket system address security and water intrusion, while internal support cables help prevent door damage during use.

The black powder-coated 14-gauge steel body and 16-gauge polished stainless door offer the listed construction for work-truck storage. A locking die-cast compression latch works with a replaceable gasket system to protect tools from theft, water intrusion, and jobsite debris. Internal support cables help prevent door damage. The box can be installed on a flat surface or mounted under a truck bed using Buyers Products brackets, which are sold separately, so factor that mounting method into installation plans.

Skip it if you need included mounting brackets; Mytee Products MBTR-TBSS2460-KIT-PK includes a bracket pair.

This fits work-truck owners who want a steel body, polished stainless door, and gasketed locking closure. For under-bed mounting, account for the separately sold Buyers Products brackets; flat-surface installation is also listed.

Listed on Amazon as: Buyers Products 1704715 Black Steel Underbody Truck Box With Silver Polished Stainless Steel Door, 24 x 24 x 60 Inch, Made In The USA, Truck Tool Box Organizer With Storage, Job Box For Work Truck

#7 · Best Paddle Lock

7. Mytee Products Double-Door Box

• Dimensions: 60"L x 24"W x 24"H
• Weight: 186 lb
• Material: Alloy Steel, Stainless Steel

Best for: Double-door trailer access.

Why it ranks #7: This steel box combines double barn doors, a heavy-duty paddle lock, a 1/2-inch door gasket, and a stainless continuous hinge.

Double barndoor-style doors give this Mytee Products trailer box broad two-door access to its 24-by-24-by-60-inch storage space. A heavy-duty paddle lock, recessed beveled door, half-inch door gasket, and stainless continuous hinge combine as specified features for buyers seeking a waterproof steel-bodied box with a mirror-finish stainless lid.

The powder-coated 2.00 mm steel body and 1.5 mm #304 stainless steel lid are the stated material details, with a mirror finish on the door. Double barndoor-style access can suit operators who prefer two doors over a single panel. The heavy-duty paddle lock, recessed beveled door, half-inch gasket, and stainless continuous hinge are listed as a tight, waterproofing-focused closure arrangement. At 186 pounds, the box's listed weight is also relevant when planning handling and installation.

Skip it if you prefer a single door; Mytee Products TBSS242460 uses a single barndoor-style door.

This suits trailer and semi-truck operators wanting double-door access, a paddle lock, and a gasketed closure. Its 186-pound listed weight and 24-by-24-by-60-inch dimensions are important handling and mounting considerations.

Listed on Amazon as: Mytee Products 24"x24"x60" Steel Flatbed Trailer Underbody Tool Box with Mirror Finish Barndoor Style Double Doors & Paddle Lock – Heavy Duty Side Mount Tool Box for Trailer & Semi Truck

#8

8. Mytee Products Single-Door Box

• Dimensions: 60"L x 24"W x 24"H
• Weight: 170 lb
• Material: Stainless Steel
• Capacity: 400 lb

Best for: Single-door stainless finish.

Why it ranks #8: Its 14-gauge powder-coated steel body and mirror-finish stainless-steel single door suit buyers who specifically want a single-door layout.

A mirror-finish #304 stainless steel lid gives this Mytee Products single-door box a polished access panel above its powder-coated steel body. Sized 24 by 24 by 60 inches, it uses a T-handle latch lock and reinforced door spine, making it a fit for trailer or semi-truck operators who prefer a single barndoor-style opening.

The powder-coated 14-gauge steel body provides the stated main construction, while the #304 stainless steel lid adds a distinct door material and mirror finish. A reinforced door spine strengthens the door and protects the latch mechanism, connecting the door structure to the T-handle latch-lock setup. Its single barndoor-style door offers one access panel rather than a double-door arrangement. The listed capacity is up to 400 pounds; consider that limit alongside the intended stored load.

Skip it if you need double doors; Mytee Products TBSS242460-PL has a double-door barndoor design.

This box suits trailer and semi-truck owners who want a single barndoor, mirror-finish stainless lid, and reinforced latch area. The 400-pound stated capacity and single-door layout are relevant boundaries for loading and access.

Listed on Amazon as: Mytee Products 24"x24"x60" Steel Flatbed Trailer Underbody Tool Box with Mirror Finish Barndoor Style Single Door & T-Handle Latch Lock – Heavy Duty Side Mount Tool Box for Trailer & Semi Truck

#9

9. Buyers Products 1705145

• Dimensions: 36"L x 24"W x 60"H
• Weight: 88.5 lb
• Material: Aluminum

Best for: Corrosion-conscious fleet storage.

Why it ranks #9: The listed 0.100-inch diamond-tread aluminum and locking compression latch suit the category, but its specification dimensions conflict with the stated 24x24x60 size.

Its 0.100-inch diamond-tread aluminum construction gives this 24-by-24-by-60-inch Buyers Products box a corrosion-resistant storage option for contractors and service fleets. The underbody format keeps tools in a dedicated truck box, while its locking compression latch adds a secured closure for equipment carried between jobsites.

The diamond-tread aluminum construction combines a stated 0.100-inch thickness with corrosion resistance, making this a practical choice for work vehicles exposed to demanding jobsite conditions. Its locking compression latch provides a way to secure stored tools during transport. The listed 88.5-pound weight is useful to consider when planning installation, and Buyers advises measuring the mounting area, door swing, road clearance, and nearby components before ordering. Check those clearances against the 24-by-24-by-60-inch title dimensions.

Skip it if you need a steel body; the Buyers Products 1704415 uses 14-gauge carbon steel instead.

This suits contractors and fleets wanting a lockable aluminum underbody box for jobsite tools. Its 24-by-24-by-60-inch size and 88.5-pound weight make clearance checks and installation planning important before choosing a mounting location.

Listed on Amazon as: Buyers Products 1705145 24 x 24 x 60 Aluminum Underbody Truck Box

#10

10. Mytee Products Bracket Kit

• Dimensions: 8 x 8 x 8 in
• Material: Aluminum

Best for: Bracket-included trailer kit.

Why it ranks #10: This single-door steel toolbox kit includes two aluminum brackets, but the listing gives package dimensions of 8 inches per side rather than clear box dimensions.

This Mytee Products package combines a 24-by-24-by-60-inch steel trailer toolbox with two aluminum mounting brackets, bringing the box and a bracket pair together. The mirror-finish single barndoor-style door and T-handle lock specify the access and locking arrangement for flatbed or stepdeck trailer installations.

The kit's two aluminum brackets are listed for 24-by-24-inch flatbed trailer toolboxes and measure 33-3/4 by 23-1/4 inches, giving installers defined mounting hardware to plan around. The toolbox has a 24-by-24-by-60-inch size and a single barndoor-style mirror-finish door with a T-handle lock. The additional description lists four mounting holes per bracket with half-inch diameters and bolt-on installation, while the title also identifies the brackets as a weld-on kit; confirm the intended mounting method from the supplied product details.

Skip it if you need a clearly specified mounting method; Mytee Products MBTR-TBPLAL24-KIT-PK lists weld-on brackets.

This package suits flatbed or stepdeck trailer buyers wanting a 24-by-24-by-60-inch box, single mirror-finish door, and included brackets. Resolve the conflicting weld-on and bolt-on descriptions before planning installation.

Listed on Amazon as: Mytee Products Heavy Duty 24"x24"x60" Steel Underbody Trailer Tool Box with Mounting Brackets – Mirror Finish Barndoor Style Single Door & T-Handle Lock – Weld-On Bracket Mounting Kit