Loading... Please wait...
  • Chev/GMC Mid-Duty 4500/5500/6500 Chassis Cab Brute Backpack Toolbox has 80.16 cu. ft. storage capacity.
  • Chev/GMC Mid-Duty 4500/5500/6500 Chassis Cab Brute Backpack Toolbox comes with 4 folding J-hooks on drivers side.
  • Chev/GMC Mid-Duty 4500/5500/6500 Chassis Cab Brute Backpack Toolbox dimension schematic.
  • Chev/GMC Mid-Duty 4500/5500/6500 Chassis Cab Brute Backpack Toolbox can be expanded for more storage space by adding one of our 18" Underbody Toolboxes.  Available in the link in the listing with all relevant information.  Can also add any 18" underbody box to convert this backpack to an L pack.
  • How the unit would look if you purchased a OPTIONAL 18" underbody toolbox.  Illustrative purposes only.

Chev/GMC Mid-Duty 4500/5500/6500 Chassis Cab Brute Backpack Toolbox


    Our Chev/GMC Mid-Duty 4500/5500/6500 Chassis Cab Brute Backpack Toolbox is designed for contractors needing serious equipment storage on their fixed bed trucks.  If you need extra storage on yours, check out the features below.


    • .125 thick aluminum diamond tread body construction for rugged use
    • .190 thick smooth aluminum floor
    • Built-in .375 thick pre-punched frame mounting rails for easy installation
    • Tapered top increases visibility when using truck side mirrors
    • Side swing doors on both ends with gas struts to hold them open and out of your way
    • Spring cushioned U-Bolt mounting kit included
    • Rain gutter door openings to channel water
    • Pinch weld trim-lock bulb seal on all doors to keep out rain, dust and debris
    • Commercial grade stainless steel folding/locking paddle latch door locks
    • Compression handles seat the doors firmly into the seals, preventing leaks
    • STRATTEC high quality key cylinder
    • Full HD aluminum lock cover protection
    • Roller cam latch
    • 4 folding J hooks - driver side
    • Cavernous interior storage to handle all your gear
    • Fixed full length upper floor shelf holds long objects
    • Sturdy, full length rust and corrosion resistant stainless steel piano hinges on doors


    • Top overall length = 66"
    • Bottom overall length = 82"
    • Overall width = 24"
    • From fixed shelf to top of unit = 27.38"
    • 80.16 Cu. Ft. storage
    • Weight: 345 Lbs
    • Please refer to the size cartoon in our photos for all dimensions

    NEED EVEN MORE STORAGE SPACE??? Add any optional L-Extension 18" Under Body Tool Box from this link: 18" Underbody Tool Box

    DO YOU ABSOLUTELY POSITIVELY PROMISE THIS BACKPACK TOOLBOX WILL FIT MY TRUCK?  NO, we absolutely positively promise that this Unique Brute truck toolbox is carefully made to the specifications listed in the CAD drawings. There is only one way you can be 100% sure this toolbox will fit your needs the way you want it to. Write down the dimensions and go out to your truck or trailer and measure, then compare the measurements to see if it will fit.


    • Manufacturer lifetime factory warranty against all defects in structural materials and workmanship provided they are assembled, installed & used in accordance with all manufacturer’s specifications and instructions.
    • All warranties have legal limitations. Please read the paperwork that accompanies your Unique Truck Accessories product.


    • If the shipping carton arrives damaged, DO NOT ACCEPT IT. Refuse delivery and contact us immediately.
    • If you accept a damaged toolbox as “free and clear of all damage” on the waybill, neither Worktrucksusa.com or Unique Truck Accessories will be responsible for damage that has occurred during shipping
    • If defective OR you receive the wrong product:
      • Save the box and ALL PACKING MATERIAL
      • Contact us within 7 days
      • Do NOT return the product until we send you a return authorization form and a return shipping address
      • Ship to us in the original box with all packing, parts & instructions
      • If it is received in good, re-saleable condition when we get it back, we’ll promptly send you a refund
      • If the problem is NOT a manufacturing defect or a wrong shipment, there is a $200 re-stocking fee that will be deducted from your refund
      • If the problem is not a manufacturing defect, you will need to pay for the return shipping


    • Shipping is per unit anywhere in the Continental USA, and we also INCLUDE INSURANCE AT NO ADDITIONAL COST
    • Contact us for special shipping pricing on two or more units
    • Usually ships within 25-35 days of order receipt (these units are hand built to order)
    • Because of the insured value of your product, a signature is required for delivery
    • We must have a VALID telephone number so the freight company can contact you regarding product delivery


    • If you choose not to be home to inspect the package when it is delivered, neither WorkTrucksUSA.com nor Unique Truck Accessories will be responsible for damage that has occurred during shipping and the insurance will be void
    • If you decide to allow another party sign for the delivery, be sure to have them inspect the package for damage before accepting it
    • For shipments to Alaska, Hawaii or Canada please contact us with your zip or post code for a quote
    • We can only ship to other US territories if you have a shipping broker with a US address we can ship to

    FLEET PRICING: Email or call us and we will be happy to put together a quote for your business needs.


    • Email: customerservice@worktrucksusa.com
    • Telephone: 941-375-3806

    We are authorized dealers for everything we sell. We do not buy liquidations, odd lots or used parts. We are here to assist you with installation questions, sourcing specialty items and help with warranty issues after the sale. You can buy any item we sell with confidence in the quality of the product and our customer service, including our Brute Heavy Duty Backpack Truck Toolbox.


    This product hasn't received any reviews yet. Be the first to review this product!

    Write your own product review

    View Cart Go To Checkout