A-SG52 Series - Aluminum Underbody Truck Trailer Toolbox, Super Heavy Duty SINGLE Drop Open Doors with Stainless-Steel Dolphin Tail T-Handle Lock(s)

Product Description

Aluminum Underbody Box - Super HD - Single Drop Open Door - SS-DT-T-Handle Lock(s)

This aluminum Underbody box is designed and built for those who need secure underbody storage on semi-trailers. This unit delivers heavy-duty protection, organized access and weather resistance for tools and parts. Boxes can be mounted on the side of a trailer frame or under a trailer deck and can withstand road vibration and all-weather conditions. 

Made in the USA and manufactured by American Truckboxes LLC in Blanchard, North Dakota, with over 25 years of experience. For custom sizing, fleet pricing or additional questions, please call 888.996.0376, or visit us at truckbox.com. 

Key Features

• Material: Aluminum
• Body Finish Options: Smooth Aluminum or Diamond Tread Plate
• Door/Lid Finish Options: Smooth Aluminum, Diamond Tread Plate or Stainless Mirror
• Security: Stainless-steel Dolphin Tail T-Handle Lock(s)
• Door Style: SINGLE Drop Open Doors
• Height Options (in.): 18H, 20H, or 24H
• Depth Options (in.): 16D, 18D, 24D, or 60D
• Width Options (in.): 24W, 30W, 36W, 40W, 48W, 60W, 72W 
• Mounting: Mount Kit not included - Purchase M2100C or M2100I
  

Specifications

Frequently Asked Questions

Where is this toolbox made? Made in the USA in Blanchard, North Dakota by American Truckboxes LLC, with over 25 years of manufacturing experience.

What warranty comes with this toolbox? 60-month (5-year) limited warranty for standard boxes. Applies to the original purchaser only and is non-transferable. For full details, visit us at truckbox.com or call 888.996.0376.

Can I order a custom size? Yes, custom sizes are available. Please call 888.996.0376.

Will this underbody toolbox fit my trailer or semi? The Underbody Box is designed for semi and trailer underbody mounting. Confirm height, depth, and width options (18H–24H, 16D–60D, 24W–72W) against your chassis clearance before ordering.

Is the A-SG52 weatherproof? The A-SG52 uses drop-open doors intended for underbody installation which help shed water and debris. Proper mounting and orientation are important for optimal weather resistance; notify American Truckboxes if there is a need for specific sealing details.

What kind of lock does this toolbox use? This model includes stainless-steel dolphin tail T-handle locks for secure access. The locks are integrated into the drop-open doors and designed for heavy-duty use.