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Kenworth T300-T450 Tool & Battery Boxes

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  • Stainless Steel Locking Tool Box W/ Mirror Finish For Kenworth

    Stainless Steel Locking Tool Box W/ Mirror Finish For Kenworth

    AFTERMARKET

    $1,210.99 - $1,397.99
    Choose Option(s) to see description.Fitment* Fits Kenworth Cabover 1961 thru 2002* Fits Kenworth K100 1963 thru 1967* Fits Kenworth K100C 1968 thru 1983* Fits Kenworth K100E 1984 thru 2002* Fits...
    PPR_300933
    SKU:
    PPR_300933
    Length Options:
    40 Inch
    Size Options:
    12 Gauge
    Length Options:
    34 Inch
    Product Type:
    Toolboxes
    Length Options:
    45 Inch
    Finish Options:
    Polished
    Style Options:
    Punched
    Material Options:
    Stainless Steel
    Make:
    Kenworth
    $1,210.99 - $1,397.99
    Qty in Cart: 0
    Price:
    $1,210.99 - $1,397.99
    Subtotal:
  • Aluminum Toolbox W/ Anodized Aluminum Roll Up Door, 24 Inches Deep & Full Width Stainless Steel Grab Bar

    Aluminum Toolbox W/ Anodized Aluminum Roll Up Door, 24 Inches Deep & Full Width Stainless Steel Grab Bar

    ICONIC

    $2,043.99 - $2,353.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksAluminum Toolbox W/ Anodized Aluminum Roll Up Door, 48 X 24 X 24 Inch48 X 24 X 24 Inch Aluminum Toolbox...
    PPR_300913
    SKU:
    PPR_300913
    Height Options:
    24 Inch
    Height Options:
    30 Inch
    Length Options:
    60 Inch
    Finish Options:
    Smooth
    Length Options:
    72 Inch
    Length Options:
    48 Inch
    Width Options:
    24 Inch
    Product Type:
    Toolboxes
    Length Options:
    36 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $2,043.99 - $2,353.99
    Qty in Cart: 0
    Price:
    $2,043.99 - $2,353.99
    Subtotal:
  • Merritt Aluminum 13 X 15.5 X 16 Inch 2 Battery Box With Step & Deck Plate

    Merritt Aluminum 13 X 15.5 X 16 Inch 2 Battery Box With Step & Deck Plate

    MERRITT

    $1,387.99
    Aluminum 13 Inch X 15.5 Inch X 16 Inch Battery Box With Step & Deck PlateStore up to two batteries horizontally with this high quality aluminum box with a step. It mounts on the side and features a...
    3562
    SKU:
    3562
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $1,387.99
    Qty in Cart: 0
    Price:
    $1,387.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Merritt Aluminum 16.25 X 23 X 30.125 Inch 6 Battery Box Without Step

    Merritt Aluminum 16.25 X 23 X 30.125 Inch 6 Battery Box Without Step

    MERRITT

    Now: $605.17
    Was: $1,197.99
    Aluminum 16.25 Inch X 23 Inch X 30.125 Inch Battery Box Without StepsThis high quality 16.25 X 23 X 30.125 inch Merritt aluminum battery box has a tread plate cover and does not have a step or top...
    491
    SKU:
    491
    Product Type:
    Frame & Chassis
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $605.17
    Was: $1,197.99
    Qty in Cart: 0
    Price:
    Now: $605.17
    Was: $1,197.99
    Subtotal:
  • Merritt Aluminum 16.43 X 20.25 X 25.25 Inch 4 Battery Box With Top Deck & Without Step

    Merritt Aluminum 16.43 X 20.25 X 25.25 Inch 4 Battery Box With Top Deck & Without Step

    MERRITT

    $2,540.99
    Diamond Plate Aluminum Inch Battery Box With Deck Plate & Without StepThis high quality 16.43 X 20.25 X 25.25 inch Merritt aluminum battery box has a tread plate cover and a step, but not a top deck...
    3504
    SKU:
    3504
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $2,540.99
    Qty in Cart: 0
    Price:
    $2,540.99
    Subtotal:
  • Merritt Aluminum 25 X 25 X 16 Inch 4 Battery Box With Step & Deck Plate

    Merritt Aluminum 25 X 25 X 16 Inch 4 Battery Box With Step & Deck Plate

    MERRITT

    $2,030.99
    Aluminum 25 Inch X 25 Inch X 16 Inch Battery Box With Step & Deck PlateThis high quality 16 X 25 X 25 inch Merritt aluminum battery box has a tread plate cover, a step, and a top deck plate. The box...
    3556
    SKU:
    3556
    Product Type:
    Frame & Chassis
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $2,030.99
    Qty in Cart: 0
    Price:
    $2,030.99
    Subtotal:
  • Merritt Aluminum 24 X 25 X 25 Inch 6 Battery Box With Step & Deck Plate

    Merritt Aluminum 24 X 25 X 25 Inch 6 Battery Box With Step & Deck Plate

    MERRITT

    $2,616.99
    Aluminum 24 Inch X 25 Inch X 25 Inch Battery Box With Step & Deck PlateThis high quality 24 X 25 X 25 inch Merritt aluminum battery box has a tread plate cover, a step, and a top deck plate. The box...
    3563
    SKU:
    3563
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Material Options:
    Aluminum
    Make:
    Universal Items
    $2,616.99
    Qty in Cart: 0
    Price:
    $2,616.99
    Subtotal:
  • Merritt Aluminum 24.43 X 20.25 X 25.25 Inch 6 Battery Box Without Step & Deck Plate

    Merritt Aluminum 24.43 X 20.25 X 25.25 Inch 6 Battery Box Without Step & Deck Plate

    MERRITT

    $1,964.99
    Diamond Plate Aluminum Battery Box Without Step & Deck PlateThis high quality 24.43 X 20.25 X 25.25 inch Merritt aluminum battery box has a tread plate cover and does not have a step or top deck...
    3514
    SKU:
    3514
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Material Options:
    Aluminum
    Make:
    Universal Items
    $1,964.99
    Qty in Cart: 0
    Price:
    $1,964.99
    Subtotal:
  • Merritt Aluminum 18 X 28.875 X 30.125 Inch 6 Battery Box With Steps

    Merritt Aluminum 18 X 28.875 X 30.125 Inch 6 Battery Box With Steps

    MERRITT

    $1,470.99
    Aluminum 18 Inch X 28.875 Inch X 30.125 Inch Battery Box With StepsThis high quality 18 X 28.875 X 30.125 inch Merritt aluminum battery box has a tread plate cover and a step, but not a top deck...
    490
    SKU:
    490
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $1,470.99
    Qty in Cart: 0
    Price:
    $1,470.99
    Subtotal:
  • Merritt Aluminum 12 X 20 X 16 Inch 2 Battery Box & Deck Plate

    Merritt Aluminum 12 X 20 X 16 Inch 2 Battery Box & Deck Plate

    MERRITT

    $938.99
    Aluminum 12 Inch X 20 Inch 16 Inch Battery Box Without Step & Deck PlateThis strong and well engineered battery box is made out of a light weight aluminum alloy that is made to last. Its security...
    3521
    SKU:
    3521
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $938.99
    Qty in Cart: 0
    Price:
    $938.99
    Subtotal:
  • Merritt Aluminum In-Frame 4 Battery Box 12 X 23 X 27 Inch W/ Hinged Tread Plate Door

    Merritt Aluminum In-Frame 4 Battery Box 12 X 23 X 27 Inch W/ Hinged Tread Plate Door

    MERRITT

    $1,333.99
    Aluminum In-Frame 4 Battery Box 12 X 23 X 27 Inch W/ Hinged Tread Plate DoorThis high quality 12 X 23 X 27 inch Merritt aluminum battery box has a hinged tread plate door and does not have a step...
    258
    SKU:
    258
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Universal Items
    Position:
    Kit Full
    Length Options:
    27 Inch
    Height Options:
    12 Inch
    Width Options:
    23 Inch
    Type Options:
    Flush Mount
    Style Options:
    In Frame
    Product Type:
    Toolboxes
    $1,333.99
    Qty in Cart: 0
    Price:
    $1,333.99
    Subtotal:
  • Merritt Aluminum 12 X 23 X 13.33 Inch In-Frame Battery Box

    Merritt Aluminum 12 X 23 X 13.33 Inch In-Frame Battery Box

    MERRITT

    $1,164.99
    Aluminum 12 Inch X 23 Inch X 13.33 Inch In Frame Battery BoxWe offer aftermarket Merritt aluminum 2 battery boxes that features hinged tread plate doors. This battery box comes with battery hold...
    259
    SKU:
    259
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $1,164.99
    Qty in Cart: 0
    Price:
    $1,164.99
    Subtotal:
  • CSM Aluminum Toolbox W/ Stainless Steel Door- 18 x 18 x 48 Inch

    CSM Aluminum Toolbox W/ Stainless Steel Door- 18 x 18 x 48 Inch

    CHROME SHOP MAFIA

    $940.99
    18 x 18 x 48 Inch Aluminum Toolbox W/ SS Door By Chrome Shop MafiaImprove your truck's storage and protection with the CSM Aluminum Toolbox - 18 x 18 x 48 Inch featuring a Stainless Steel Door, built...
    09-020118184801
    SKU:
    09-020118184801
    Length Options:
    18 Inch
    Width Options:
    18 Inch
    Material Options:
    Aluminum
    Product Type:
    Toolboxes
    Truck Class:
    Universal
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $940.99
    Qty in Cart: 0
    Price:
    $940.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    CSM End Plate Reinforcement- 24 x 24 Inch For CSM Heavy Duty Aluminum Toolboxes

    CSM End Plate Reinforcement- 24 x 24 Inch For CSM Heavy Duty Aluminum Toolboxes

    CHROME SHOP MAFIA

    Now: $168.34
    Was: $244.99
    24 X 24 Inch End Plate Reinforcement By Chrome Shop MafiaEnhance the strength and durability of your CSM Heavy Duty Aluminum Toolbox with the CSM End Plate Reinforcement - 24 x 24 Inch. Constructed...
    09-0201242401
    SKU:
    09-0201242401
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Product Type:
    Toolboxes
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $168.34
    Was: $244.99
    Qty in Cart: 0
    Price:
    Now: $168.34
    Was: $244.99
    Subtotal:
  • Aluminum In Frame Toolbox W/ Smooth Body & Diamond Plate Lid - 13 Inches

    Aluminum In Frame Toolbox W/ Smooth Body & Diamond Plate Lid - 13 Inches

    ICONIC

    $599.99
    18 X 23 X 13 Inch In-Frame ToolboxOptimize your truck's storage with the In-Frame Toolbox with Smooth Body Checker Lid - 13 Inches, built to mount securely inside your frame rails and save valuable...
    09-050200004
    SKU:
    09-050200004
    Material Options:
    Aluminum
    Length Options:
    18 Inch
    Finish Options:
    Smooth
    Product Type:
    Toolboxes
    Height Options:
    13 Inch
    Width Options:
    23 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $599.99
    Qty in Cart: 0
    Price:
    $599.99
    Subtotal:
  • Smooth Aluminum Big Mouth Step Box W/ Diamond Plate Lid- 16 X 29.13 X 24 Inch

    Smooth Aluminum Big Mouth Step Box W/ Diamond Plate Lid- 16 X 29.13 X 24 Inch

    ICONIC

    $729.99
    16 X 29.13 X 24 Inch Smooth Aluminum Big Mouth Step Box W/ Diamond Plate LidBoost your truck's efficiency with the Smooth Aluminum Big Mouth Step Box, built for rugged use and professional appearance...
    09-020100783
    SKU:
    09-020100783
    Finish Options:
    Smooth
    Product Type:
    Toolboxes
    Height Options:
    24 Inch
    Material Options:
    Aluminum
    Width Options:
    29 Inch
    Length Options:
    16 Inch
    Make:
    Universal Items
    $729.99
    Qty in Cart: 0
    Price:
    $729.99
    Subtotal:
  • 12 Gauge Customs Stainless Steel Step Box- Frame Mount For Kenworth

    12 Gauge Customs Stainless Steel Step Box- Frame Mount For Kenworth

    TWELVE GAUGE

    $3,198.99
    Frame Mount Stainless Steel Step Box By 12 Gauge Customs Fits KenworthAdd durability and convenience to your Kenworth with the Twelve Gauge Stainless Steel Step Box, designed for frame mounting. Made...
    02-0502034
    SKU:
    02-0502034
    Type Options:
    Frame Mount
    Product Type:
    Frame & Chassis
    Material Options:
    Stainless Steel
    Make:
    Kenworth
    $3,198.99
    Qty in Cart: 0
    Price:
    $3,198.99
    Subtotal:
  • 12 Gauge Customs Stainless Steel Toolbox W/ Steps- Frame Mount For Kenworth

    12 Gauge Customs Stainless Steel Toolbox W/ Steps- Frame Mount For Kenworth

    TWELVE GAUGE

    $2,475.99
    Frame Mount Stainless Steel Toolbox With Steps By 12 Gauge Customs Fits KenworthAdd storage to your Kenworth with the Twelve Gauge Stainless Steel Toolbox with Steps, designed for frame mounting...
    02-0502035
    SKU:
    02-0502035
    Type Options:
    Frame Mount
    Material Options:
    Stainless Steel
    Product Type:
    Toolboxes
    Make:
    Kenworth
    $2,475.99
    Qty in Cart: 0
    Price:
    $2,475.99
    Subtotal:
  • TPHD 25 X 28 Inch Brushed Aluminum Step Box

    TPHD 25 X 28 Inch Brushed Aluminum Step Box

    TPHD

    $479.99 - $529.99
    Upgrade your truck with a heavy duty aluminum step box designed for strength, convenience, and everyday functionality. Built from brushed aluminum with double thickness reinforcement in both rear...
    PPR_300521
    SKU:
    PPR_300521
    Height Options:
    28 Inch
    Length Options:
    18 Inch
    Location:
    Made In USA
    Material Options:
    Aluminum
    Width Options:
    28 Inch
    Product Type:
    Toolboxes
    Finish Options:
    Brushed
    Height Options:
    12 Inch
    Length Options:
    24 Inch
    Length Options:
    25 Inch
    Width Options:
    25 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Height Options:
    25 Inch
    $479.99 - $529.99
    Qty in Cart: 0
    Price:
    $479.99 - $529.99
    Subtotal:
  • BESTfit Aluminum Tool Box W/ Chromed Stainless Steel Door

    BESTfit Aluminum Tool Box W/ Chromed Stainless Steel Door

    BESTFIT TRUCK PARTS

    $648.99 - $998.99
    This aluminum toolbox provides durable storage and a clean, polished appearance for trucks and equipment. Built from strong aluminum construction with double thickness reinforcement at all corners,...
    PPR_300447
    SKU:
    PPR_300447
    Product Type:
    Toolboxes
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $648.99 - $998.99
    Qty in Cart: 0
    Price:
    $648.99 - $998.99
    Subtotal:
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Adding your products to cart

The Kenworth T300-T450 Tool & Battery Boxes product lineup offers a wide range of high-quality storage solutions for semi-trucks. This product lineup includes a variety of aluminum tool boxes and battery boxes in various sizes and styles to meet the diverse needs of semi-truck owners and operators. Customers can choose from an assortment of Minimizer and Merritt brand options, including underbody tool boxes, chest tool boxes, and step boxes in a range of colors and dimensions. These tool boxes are constructed from durable aluminum for long-lasting strength and corrosion resistance. Many feature locking latches, diamond plate or smooth door designs, and convenient features like mounting brackets and chain racks. In addition to the tool boxes, this product lineup also includes a selection of stainless steel and aluminum accessories like door shells, hanger kits, and mounting brackets to further enhance the storage capabilities of semi-trucks. Whether looking to upgrade an existing setup or equip a new vehicle, the Kenworth T300-T450 Tool & Battery Boxes product lineup provides high-quality, versatile storage solutions to keep tools, equipment, and batteries secure and organized on the road.

Frequently Asked Questions About Kenworth T300-T450 Tool & Battery Boxes

Will these tool and battery boxes fit my Kenworth T300, T440, or T450 without modification?

Most boxes in this category are designed to mount using existing frame or step locations common to the T300-T450 lineup, but exact fitment can vary depending on your truck's year, chassis configuration, and any aftermarket brackets already installed. We recommend checking the listed dimensions and mounting pattern against your truck before ordering, and reaching out to our team if you're unsure about a specific application.

What materials are these boxes made from, and how well do they hold up to weather and road grime?

Tool and battery boxes in this category are typically constructed from aluminum or steel, often with a diamond plate finish. Aluminum boxes resist rust and are lighter weight, while steel options tend to be more heavy duty but may require more attention to prevent corrosion over time. Diamond plate finishes also help hide minor scratches and road wear better than smooth surfaces.

Can one box be used for both tool storage and battery mounting, or are they built for one purpose only?

Some boxes are designed as dual-purpose units with separate compartments for tools and batteries, while others are built specifically for one function. Check the product description and compartment dimensions closely, since battery boxes need to accommodate battery size, weight, and ventilation requirements, while tool boxes are generally just open storage space with a lid.

What's involved in mounting one of these boxes, and will I need extra hardware?

Installation generally involves bolting the box to existing frame rails, brackets, or step assemblies using the mounting holes provided. Most boxes include basic mounting hardware, but depending on your specific frame setup, you may need additional brackets, spacers, or longer bolts. It's a good idea to review the installation notes on each product page and have basic hand tools on hand before starting.

How do I know what size box I need, and does it affect how many batteries or how much gear it can hold?

Box size is usually listed by length, width, and height, along with battery capacity if applicable. Larger boxes obviously hold more tools or additional batteries, but you'll also want to make sure the box doesn't interfere with fuel tanks, exhaust components, or ground clearance on your specific truck. Measuring your available mounting space beforehand will help narrow down the right size.


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