10 Best Truck Bed Tool Boxes for Long Beds in 2026: Secure Storage Buying Guide

A long-bed truck gives you more room to haul, but loose tools and recovery gear can quickly turn that space into a disorganized, exposed mess. The right truck bed tool box adds secure storage without sacrificing useful cargo capacity.

We selected 10 options covering crossover, side-mount, chest, and gull-wing designs, with practical differences in length, height, construction, access, and locking features. Use the guide below to narrow the list to the best match for your truck and workload.

Best 10 Truck Bed Tool Boxes for Long Beds Picks for 2026

Premium Low-Profile Pick – UWS EC10473 69-Inch Matte Black Tool Box

For shoppers comparing truck bed tool boxes for long beds, the UWS EC10473 combines a 69-inch crossbed fit with a low-profile design that helps preserve rear-window visibility. Its foam-filled RigidCore lid, welded aluminum tub, and built-in organization make it a strong choice for regular tool storage.

Best For: Long-bed owners who want a durable, organized crossover box with a low-profile lid.

Pros:

• RigidCore foam-filled lid is designed for increased strength and reduced binding.
• One-piece tub uses extra-thick 0.058-inch welded aluminum.
• Includes a tool tray and built-in screwdriver holders.
• Stainless steel paddle handles are accessible from either side.

Cons:

• At 58 pounds, it is heavier than slimmer aluminum alternatives.
• Installation is required, although pre-drilled slots and hardware are included.
• Its 24-inch width may require careful bed-fit checking.

The EC10473 stands out when lid strength, organization, and long-term construction matter more than minimizing weight. Verify your truck’s bed dimensions before installation.

Weather-Ready Value – COOLBAG 69-Inch Deep Aluminum Tool Box

The COOLBAG is a practical option among truck bed tool boxes for long beds, offering a 69-inch length, 13-inch height, and 12-inch depth. Its powder-coated aluminum construction and keyed lock suit users who need protected storage for tools, batteries, and outdoor equipment.

Best For: Truck and outdoor users seeking a lockable, waterproof aluminum storage box.

Pros:

• 69-inch size is designed to fit most truck underbody or truck-bed applications.
• Powder-coated aluminum construction is intended for heavy-duty use.
• Built-in keyed lock helps protect contents and prevent accidental opening.
• Waterproof design accommodates tools and outdoor gear.

Cons:

• The notes do not specify the box’s weight or storage capacity.
• Fit should be confirmed because “most” truck applications may not include every long-bed configuration.
• Its deeper 13-inch height may affect available bed space or visibility.

This box emphasizes secure, weather-resistant storage in a relatively slim 12-inch depth. Check mounting requirements and truck dimensions before purchasing.

Heavy-Duty Tread Pick – 63-Inch 5-Bar Aluminum Tool Box

For truck bed tool boxes for long beds with a rugged appearance, this 5-bar tread aluminum box adds enclosed storage while emphasizing corrosion resistance and weather protection. Its fold-up door provides full access, and the included lock and two keys help secure equipment.

Best For: Owners who prefer textured aluminum construction, full-access opening, and keyed security.

Pros:

• Heavy-duty textured aluminum is described as corrosion-resistant.
• Overlapping lid and overhanging lip help resist water entry.
• Protective lock cap helps shield the lock from water and dirt.
• Includes a keyed lock and two keys.

Cons:

• The listed product title says 63 inches, while the dimensions note lists 64 inches in length; verify fit carefully.
• The 12-inch depth and 14-inch height may limit placement options depending on the truck.
• The notes describe water resistance rather than a fully waterproof rating.

This model is a sensible choice when rugged tread styling and protected access are priorities. Because the supplied dimensions vary, measure the available mounting area before ordering.

Lightweight Slim Pick – Northern Tool 69-Inch Crossover Box

The Northern Tool Slim Crossover is a compact choice among truck bed tool boxes for long beds, measuring 69 inches long and weighing 29 pounds. Its one-piece aluminum body, reinforced lid brace, and self-adjusting strikers focus on lightweight storage with secure closure.

Best For: Long-bed owners who want a lightweight, slim crossover box for basic tool transport.

Pros:

• Light 29-pound construction is easier to handle during installation.
• One-piece aluminum body has 0.045-inch-thick walls.
• Reinforced lid brace is designed for added strength.
• One-hand gas strut and self-adjusting strikers support convenient operation.

Cons:

• Its 677-cubic-inch capacity is relatively limited for bulky cargo.
• The 12- to 13-inch profile favors slim storage over maximum volume.
• It offers less stated wall thickness than the UWS model.

This box is best suited to buyers prioritizing manageable weight and a narrow profile. Choose it when everyday tools matter more than carrying large equipment.

Best Overall Capacity – ARKSEN 49-Inch Aluminum Tool Box

For shoppers comparing truck bed tool boxes for long beds, the ARKSEN offers a generous 48.42-inch length, 180-liter capacity, and a durable aluminum build. Its waterproof, dustproof design and keyed lock make it a practical choice for protecting tools and equipment outdoors.

Best For: Long-bed owners who want roomy, lockable storage with weather-resistant construction.

Pros:

• Large 180-liter storage volume with a 48.42-inch length.
• High-strength aluminum with a diamond pattern for added durability.
• Waterproof and dustproof design helps protect contents in harsh conditions.
• Includes carrying handles and two keys for portability and security.

Cons:

• Its single-compartment layout provides no internal organization.
• At 26 pounds, it adds noticeable weight before loading tools.

The ARKSEN is a strong all-purpose option when capacity and weather protection matter more than built-in compartments. Its 180-pound maximum weight recommendation also gives it useful headroom for heavier gear.

Best Lightweight Storage – 60-Inch Aluminum Trailer Chest

This 60-inch aluminum chest is a practical contender among truck bed tool boxes for long beds, especially when you want broad coverage without excessive added weight. Its seal-ring design, overlapping lid, and powder-coated finish are intended to help keep stored tools clean and dry.

Best For: Standard-cab or regular-cab trucks, trailers, and other applications needing a long, low-profile storage chest.

Pros:

• 60-inch length provides substantial storage coverage.
• Lightweight aluminum construction helps limit added vehicle weight.
• Seal ring and overlapping lid help resist rain and outside debris.
• Corrosion-resistant, powder-coated black finish with no assembly required.

Cons:

• The listed 100-pound maximum weight recommendation is lower than some larger boxes.
• The product is specified for standard or regular cabs, limiting fitment versatility.
• Its 12-inch width may provide less depth for bulky equipment.

Choose this chest when length and lighter construction are priorities. Confirm your truck’s cab configuration and available mounting area before buying, since the listing specifically limits its intended fitment.

Best Access Design – Gull Wing 70-Inch Crossover Box

For long-bed owners seeking broad coverage and easier access, this 70-inch gull-wing box is one of the more expansive truck bed tool boxes for long beds. Its split-lid design lets you reach either side of the box without opening the entire top, while textured aluminum construction supports outdoor use.

Best For: Drivers who want wide truck-bed storage with convenient two-sided access.

Pros:

• 70-inch length provides an especially wide storage footprint.
• Gull-wing double lid allows access from either side.
• Heavy-duty textured aluminum and five-bar tread resist corrosion and harsh weather.
• Two locks and four keys provide built-in security.

Cons:

• Its 20-inch width and 13-inch height require careful bed-clearance measurements.
• The listing describes it as water resistant rather than fully waterproof.
• No internal compartments or dividers are specified.

The Gull Wing stands out for access and overall length rather than organization. Measure your truck bed and surrounding hardware carefully, then consider it if reaching tools from either side is more important than a compartmented interior.

Heavy-Duty Value Pick – VEVOR 48-Inch Aluminum Tool Box

For shoppers comparing truck bed tool boxes for long beds, the VEVOR 48-inch model offers a spacious, weather-resistant aluminum design with useful carrying and access features. Its 48 x 15 x 15-inch size provides 177 liters of storage for larger tools and roadside equipment.

Best For: Long-bed owners who want a roomy, lockable box for bulk storage.

Pros:

• Durable, corrosion-resistant aluminum with a diamond tread pattern.
• Overhanging lid and tight seal help keep contents dry.
• Gas strut opens the lid to 110 degrees, while wide handles improve portability.
• Includes a stainless steel lock and two keys.

Cons:

• Its single-compartment layout does not provide built-in organization.
• The 48-inch width may not use the full length of some extra-long beds.

This is a practical choice when capacity matters more than compartmentalized storage. The aluminum construction, sealed lid, and 110-pound maximum weight recommendation make it well suited to general truck, trailer, or RV storage.

Extra-Long Storage Pick – Aikosin 70-Inch Gull-Wing Tool Box

Among truck bed tool boxes for long beds, this 70-inch Aikosin model stands out for its extra-long footprint and dual gull-wing lids. The waterproof aluminum box provides broad bed coverage while allowing access from either side.

Best For: Long-bed trucks, trailers, and RV setups that need wide, side-access storage.

Pros:

• 70 x 20 x 13-inch size offers substantial storage coverage.
• Dual lids provide convenient half-box access from either side.
• Waterproof, overlapping lid design helps protect tools from moisture.
• Heavy-duty aluminum construction includes reinforcing 5-bar tread and a double V-pan lid stiffener.

Cons:

• The 70-inch length requires careful measurement before installation.
• Gull-wing access may be less convenient if the box is obstructed by bed accessories.

Choose this box when side access and maximum horizontal coverage are priorities. Its keyed lock, rigid aluminum construction, and weather-resistant design make it a strong option for keeping tools organized across a long truck bed.

Space-Saving Side-Mount Pick – PRUNkuar 60-Inch Side-Mount Tool Box

For buyers seeking truck bed tool boxes for long beds without sacrificing bed-floor space, the PRUNkuar 60-inch side-mount design is worth considering. Its slim 8-inch width mounts along the side while providing a 14-inch-tall storage area.

Best For: Truck owners who want accessible side storage and maximum usable bed-floor space.

Pros:

• Side-mount configuration helps preserve room in the truck bed.
• Heavy-duty aluminum with a corrosion-resistant 5-bar tread pattern.
• Built-in keyed lock includes two keys for added security.
• Suitable for trucks, trailers, RVs, ATVs, garages, and job sites.

Cons:

• The 8-inch width limits capacity for bulky items.
• Side mounting may require checking available mounting space and fitment.

This model is a sensible fit for long-bed users who prioritize bed access over maximum box volume. Its 60-inch length provides useful tool storage along the side, while the lockable, waterproof aluminum construction is designed for demanding outdoor use.

How We Picked the Best Truck Bed Tool Boxes for Long Beds

We compared the selected boxes by dimensions, storage style, construction materials, lid and hinge design, access points, locking hardware, and likely installation requirements. Aluminum diamond-plate models generally offer a useful balance of low weight and durability, while heavier-gauge or reinforced designs may better suit frequent commercial use. We also considered whether each format preserves bed-floor space and leaves room for tonneau covers, bed rails, or other accessories.

Because fit varies between truck makes and bed configurations, listed dimensions are a starting point—not a guarantee. Always measure the bed rails, wheel-well spacing, tailgate clearance, and cover hardware before ordering.

Quick Comparison

• Best for full-width access: Crossover and gull-wing boxes place tools behind the cab and are convenient for everyday loading.
• Best for preserving bed space: Side-mount boxes use the bed rail area and leave more room for large cargo.
• Best for bulk storage: Chest-style boxes provide open internal capacity but can occupy more of the bed floor.
• Best for long-bed compatibility: Models around 60 to 70 inches may suit many full-size long beds, subject to exact measurements.

Key Buying Factors for Truck Bed Tool Boxes for Long Beds

Measure Before You Choose

Check usable rail-to-rail width, box length, height above the bed rails, and clearance behind the cab. A box that is too tall can interfere with rear visibility or a bed cover, while one that is too long may conflict with the tailgate or bed liner.

Choose the Right Configuration

Crossover boxes are easy to reach from either side and usually offer strong capacity. Gull-wing lids improve access from the sides but add more moving hardware. Side-mount designs are useful when you regularly carry lumber, equipment, or other oversized cargo. Chest boxes work well when maximum enclosed volume matters more than an unobstructed bed floor.

Prioritize Construction and Security

Look for reinforced lids, sturdy hinges, weather-resistant seals, and a lock that protects against casual access. Aluminum keeps weight down, but the thickness and internal bracing matter more than the material label alone. A locking box is not automatically theft-proof, so avoid leaving high-value tools unattended for extended periods.

Plan the Installation

Confirm whether mounting hardware is included and whether your truck needs drill-free brackets, bed-rail adapters, or extra seals. Tighten hardware evenly and recheck it after the first few trips. Consider how the box will work with a tonneau cover, bed rack, spray-in liner, or tie-down system.

Who Should Buy Which Truck Bed Tool Boxes for Long Beds?

Choose a crossover box if you need a dependable everyday toolbox with convenient access from both sides. Choose a side-mount model if preserving floor space for motorcycles, building materials, or recreational gear is your priority. Choose a chest-style box if you want the most flexible internal storage and do not mind using some bed-floor area. Choose a gull-wing design if side access and broad lid openings are worth the added complexity. For contractors and frequent haulers, favor reinforced construction, a dependable seal, and secure mounting over the lowest purchase price. For occasional users, a lighter aluminum box with a practical lock and accurate fit may provide the best value.