Part Number: A-IB52-81824-T
Product Description
Semi Truck In-Frame Box: Heavy-duty aluminum storage for professional truckers. Made in the USA by AMERICAN TRUCKBOXES ATB®
The A-IB52 aluminum semi truck in-frame box is purpose-built for owner-operators and fleet drivers who need secure, weatherproof storage mounted behind the cab on the truck frame. The smooth body and Diamond TP or Powder Coated Black lid provide a rugged, professional finish that holds up to daily road use. Every A-IB52 is manufactured by American Truckboxes LLC in Blanchard, North Dakota. Custom sizing is available for fleets with non-standard frame configurations.
Key Features
- Dolphin Tale DT-T-Handle Lock with stainless steel hardware: dual-action latch provides secure, pick-resistant closure that resists break-in on highway stops
- Stainless Steel Continuous Hinge: full-length piano hinge distributes lid stress evenly and eliminates the failure points of short-segment hinges
- Smooth Body Aluminum Construction: .125 aluminum walls resist dents and corrosion without adding unnecessary weight to the drive axle
- Diamond TP or Powder Coated Black Finish: Diamond TP lid adds tread grip for stepping access; Powder Coated Black provides a clean, low-visibility appearance
- Rain Gutter with Bulb-Type Automotive Door Gasket: concealed gutter channels water away while the bulb seal creates a positive, weather-tight closure
- Internal Door Supports Larger Boxes: keep the lid securely open during loading and unloading, preventing wind-slam damage
- Frame-Rail Mounting with included Mounting Kit M3100F: bolt-on installation positions the box behind the semi cab for easy access from the catwalk
- Step-rated Lid Design: box is built to support standing weight for accessing the back of the trailer
Specifications
Material: Aluminum | Dimensions: 8" to 14" tall, 18" to 36" deep, 24" wide | Finish: Diamond TP or Powder Coated Black | Mounting: Frame-rail mount behind semi cab, Mounting Kit M3100F included | Warranty: 60-month limited
Built in Blanchard, North Dakota by American Truckboxes LLC, the A-IB52 carries over 25 years of manufacturing expertise into every weld and seal. Visit truckbox.com or call (888) 996-0376 for custom sizing, fleet pricing, or application questions.
Frequently Asked Questions
Q: Where is this toolbox made?
A: The A-IB52 semi truck in-frame box is made in the USA by American Truckboxes LLC, headquartered in Blanchard, North Dakota. ATB® has been manufacturing heavy-duty truck storage for over 25 years. For more information, visit truckbox.com.
Q: What warranty comes with this toolbox?
A: Standard A-IB52 in-frame boxes carry a 60-month (5-year) limited warranty. The warranty applies to the original purchaser only and is non-transferable. Contact truckbox.com or (888) 996-0376 for full warranty terms.
Q: Can I order a custom size?
A: Yes. American Truckboxes builds custom in-frame boxes to fit non-standard semi frame configurations. Reach the ATB® team at truckbox.com or (888) 996-0376 to discuss your measurements.
Q: What finish options are available on the A-IB52?
A: The A-IB52 is available in two finishes. Diamond TP features a smooth aluminum body with a diamond tread plate lid, giving a classic commercial look and a non-slip surface for stepping. Powder Coated Black has a matte black painted finish suited for drivers who prefer a low-profile appearance. Select your preferred finish when adding to cart.
Q: How does the lid open and stay open?
A: The A-IB52 lid pivots on a full-length stainless steel continuous hinge and opens over 90 deg so lid stays open while you load chains, binders, or tools. The DT-T-handle latch locks the lid securely closed when not in use.
Q: Is this In-Frame box weatherproof?
A: Yes. The A-IB52 uses a concealed rain gutter that channels water away from the seal, paired with a bulb-type automotive door gasket that creates a positive weather-tight closure. The DT-Handle may at time leak a couple drops of water into the box becasue odf the way it is mounted!
Q: Does the A-IB52 include a mounting kit?
A: Yes. Each A-IB52 in-frame box ships with Mounting Kit M3100F, which provides the hardware needed for frame-rail installation behind the semi cab. The step-rated lid design allows drivers to stand on the box when accessing the rear of the trailer.

