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A-SR55 Series - Aluminum Underbody Truck-Trailer Toolbox, Super Heavy Duty, Stainless-Steel or Smooth Finish, Double Side Open Doors with Stainless-Steel Bar Latch Lock

$ 1,068.75 $ 1,425.00

  • Size
    Door / Lid Finish

    You selected: Part # A-SR55-181836DL-S

  • Height
  • Depth
  • Width
  • Body Finish
  • Door / Lid Finish
  • Door Configuration

Part Number: A-SR55-181836DL-S

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Body Finish: Smooth Aluminum
Door Configuration: Left-Driver

Product Description

Underbody Boxes, Double Side Open Doors

This Underbody Box is built with super heavy-duty aluminum and is secure, weather-resistant, offering high-capacity underbody storage and convenient truck side access with double side open doors for loading from either side. 

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
  • Access: Double Side Open Doors for convenient left- or right-side loading
  • Security: Stainless-steel Bar Latch Lock
  • Body Finish: Smooth Aluminum
  • Door/Lid Finish Options: Smooth Aluminum or Stainless Mirror
  • Door Placement: Left-Driver Door Configuration
  • Size Options: See below to review options
  • Mounting: Mounting Kit Not Included - Purchase M2100C, M2450D or M2700D
    • If needed, call for mounting kit assistance: 888.996.0376

Specifications

Material Aluminum (Available in Steel upon request)
Dimensions (in.)
  • Heights: 18H, 24H, 28H
  • Depths: 18D, 22D, 24D, 32D, 36D
  • Widths: 36W, 48W, 60W, 72W, 84W, 96W
Finish
  • Body Finish: Smooth Aluminum
  • Door / Lid Finish: Smooth Aluminum, Stainless Mirror
Mounting
  • C-Frame, Purchase M2100C
  • Under Deck. Purchase M2450D or M2700D
Warranty 60-month, Limited

Frequently Asked Questions

Where is this Underbody Box 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 box? 60-month (5-year) limited warranty for standard boxes. Warranty 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 fit under my semi-trailer? The A-SR55 Series is an Underbody Box available in multiple widths (36W–96W), heights (18H, 24H, 28H) and depths (18D–36D) to accommodate common underbody spaces. Measure the trailer clearances and mounting area to confirm fit before ordering. American Truckboxes can also assist with any questions or concerns.

Is this Underbody Box weather sealed?  This box features smooth aluminum body and door finishes designed for exterior use, and the double side open doors close with stainless steel bar latch hardware. This box is built with a fully concealed gutter and automotive weather seal.

What type of lock does this box use? This model uses a stainless-steel bar latch lock on the double side open doors for secure closure. The latch and stainless mirror door finish provide corrosion-resistant security appropriate for the Underbody Boxes manufactured here at American Truckboxes, LLC. 

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