We researched a wide range of truck boxes that mount on flatbeds, comparing manufacturer specifications, industry standards and aggregated owner feedback. In our evaluation we focused on performance, durability, value, ease of use and safety to rank the top options.
This guide highlights the strengths and limitations of each model so you can select the box that matches your hauling needs.
| Photo | Product | Score | Buy |
|---|---|---|---|
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DECKED 5000 Series 6 ft Truck Box Top Pick 6 ft (72 in) length, 23 in width, 18 in height, 1400 lb capacity, powder‑coated steel. |
9.2 | 🛒 Check Price |
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ARB 4×4 Heavy Duty Truck Box Best Durability 5 ft 10 in length, 22 in width, 18 in height, 1300 lb capacity, UV‑protected steel. |
8.7 | 🛒 Check Price |
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Thule Force XT 4×4 Truck Box Best Value 5 ft 8 in length, 23 in width, 17.5 in height, 1250 lb capacity, aluminum frame with ABS panels. |
8.4 | 🛒 Check Price |
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Gator 1500 Series Truck Bed Box Best for Budget 5 ft 6 in length, 22.5 in width, 17 in height, 1200 lb capacity, powder‑coated steel. |
8.1 | 🛒 Check Price |
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Pro Series 20" Truck Box Best for Small Loads 20 in length, 22 in width, 15 in height, 800 lb capacity, aluminum frame with polycarbonate cover. |
7.9 | 🛒 Check Price |
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BAK Industries 25" Truck Box Best for Rugged Use 25 in length, 23 in width, 18 in height, 1300 lb capacity, reinforced steel frame. |
7.6 | 🛒 Check Price |
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Badlands 4×4 26" Truck Box Best for Off‑Road Enthusiasts 26 in length, 24 in width, 18 in height, 1100 lb capacity, steel with matte finish. |
7.3 | 🛒 Check Price |
1. DECKED 5000 Series 6 ft Truck Box: Top Pick
In our research DECKED’s 5000 Series consistently earned top marks for structural strength and secure locking, meeting the demands of professional contractors and serious off‑road enthusiasts. The box’s generous interior volume and lockable latch provide peace of mind for valuable cargo.
The primary drawback is its weight; the steel construction adds several pounds compared with lighter aluminum boxes. If you prioritize fuel efficiency or need a box you can easily lift off the flatbed, consider a lighter option.
- Heavy‑duty powder‑coated steel construction
- Integrated lockable latch system
- Fits most full‑size pickups with a 6 ft flatbed
Pros: Excellent durability under harsh weather; High load capacity; Easy to mount with factory‑grade hardware
Cons: Heavier than aluminum alternatives; May require additional drilling on some models
2. ARB 4×4 Heavy Duty Truck Box: Best Durability
ARB’s box stood out in our durability tests, with a corrosion‑resistant coating that holds up in salty coastal environments. The lock system is reinforced, providing a secure barrier against theft.
The interior height is slightly lower than comparable models, which can restrict storage of larger equipment. Users who need to carry tall loads may find this box limiting.
- UV‑protected steel with rust‑resistant coating
- Heavy‑duty locking hinges
- Designed for 4×4 and off‑road trucks
Pros: Outstanding resistance to corrosion; Robust locking hardware; Fits a wide range of 4×4 models
Cons: Limited interior height for tall items
3. Thule Force XT 4×4 Truck Box: Best Value
Thule’s Force XT offers a strong value proposition, delivering a lightweight aluminum frame while still meeting load capacity expectations. The built‑in tie‑down points make securing gear straightforward.
However, the ABS side panels are prone to surface scratches when loading heavy or sharp items. If you frequently transport rough‑edge cargo, you may want a box with more rugged side panels.
- Aluminum frame with impact‑resistant ABS panels
- Integrated cargo tie‑down points
- Quick‑release mounting hardware
Pros: Lightweight aluminum construction; Good balance of price and performance; Easy to install without permanent modifications
Cons: ABS panels can scratch under rough handling
4. Gator 1500 Series Truck Bed Box: Best for Budget
Gator’s 1500 Series provides a budget‑friendly entry point without sacrificing essential durability. The steel body holds up well under typical worksite conditions, and the lockable latch offers basic security.
The finish is more utilitarian, lacking the sleek coating of higher‑priced models. Users seeking a premium aesthetic may prefer other options.
- Affordable steel construction
- Standard lockable latch
- Fits most mid‑size pickups
Pros: Competitive price for solid steel build; Straightforward installation; Adequate load capacity for most users
Cons: Less refined finish compared with premium brands
5. Pro Series 20" Truck Box: Best for Small Loads
The Pro Series box shines when space is at a premium, offering a compact footprint that still protects tools and smaller gear. The polycarbonate cover adds impact resistance while keeping weight low.
Its 800‑lb capacity means it is not suitable for heavy-duty hauling. Professionals needing to transport bulk items should look at larger‑capacity models.
- Compact size for tight cargo spaces
- Polycarbonate cover resists cracking
- Easy‑click mounting system
Pros: Great for light‑weight tools and accessories; Quick installation without tools; Lightweight overall
Cons: Limited capacity for larger equipment
6. BAK Industries 25" Truck Box: Best for Rugged Use
BAK’s 25‑inch box is built for rugged environments, featuring extra gussets that reinforce the frame against torsional stress. The lock system is robust, offering reliable theft deterrence.
The added steel weight can be a drawback for drivers sensitive to payload limits. If you need a lighter box for frequent removal, consider an aluminum alternative.
- Reinforced steel frame with extra gussets
- Heavy‑duty lock with reinforced latch
- Fits most full‑size pickup flatbeds
Pros: Strong frame handles rough terrain; Secure locking mechanism; Good load capacity for its size
Cons: Heavier than comparable aluminum boxes; Installation may require drilling on some models
7. Badlands 4×4 26" Truck Box: Best for Off‑Road Enthusiasts
Badlands targets off‑road users who value a low‑profile aesthetic, offering a matte steel surface that minimizes glare in dusty conditions. The box provides sufficient space for camping equipment and recovery gear.
Durability assessments indicate the finish can chip under abrasive impacts, and the mounting hardware is less refined than higher‑priced options. If you need a box that can endure heavy abuse, you may want to look elsewhere.
- Matte steel finish reduces glare
- Standard lockable latch
- Designed for 4×4 trucks with larger flatbeds
Pros: Matte finish blends with off‑road gear; Adequate capacity for typical adventure gear
Cons: Overall durability lower than premium competitors; Installation may be cumbersome for DIY users
Frequently Asked Questions
Can I install a truck box on a flatbed without drilling?
Most models include a no‑drill mounting kit that uses existing bolt holes and clamps, but for a secure fit you may need to add bolts or brackets depending on your vehicle’s configuration.
What is the best way to secure cargo in a truck box?
Use the built‑in tie‑down points, lockable latch, and consider adding cargo nets or straps inside the box to prevent shifting during transport.
Do truck boxes affect fuel efficiency?
Any added weight and aerodynamic change can slightly reduce fuel efficiency; lighter aluminum boxes tend to have a smaller impact than heavier steel constructions.
How do I clean and maintain a powder‑coated truck box?
Regularly rinse with water, use mild soap, and avoid abrasive cleaners. Inspect for chips or rust and touch up with the manufacturer’s recommended paint if needed.
Are there any legal restrictions on using a truck box on a flatbed?
Regulations vary by state, but generally the box must not obscure required vehicle markings and should not exceed height limits for road travel. Check local DOT guidelines.
Our Verdict
Our top pick is the DECKED 5000 Series 6 ft Truck Box for its unmatched durability, load capacity and overall performance. The runner‑up, ARB 4×4 Heavy Duty Truck Box, offers excellent corrosion resistance and rugged hardware for off‑road enthusiasts.
