{"title":"Underbody Tool Boxes","description":"\u003ch2\u003eUnderbody Tool Boxes\u003c\/h2\u003e\n\u003cp\u003eUnderbody tool boxes give you storage under the trailer or flatbed, so tools, gear, and cargo accessories stay protected without taking up deck space. Sturdy-Lite builds them in the USA from a high-strength aluminum alloy.\u003c\/p\u003e\n\n\u003ch2\u003eUnderbody Tool Box Styles\u003c\/h2\u003e\n\u003cp\u003eThree styles are available. All mount on the curb side, and each has a mirror finish aluminum body that resists corrosion and cleans up easily, plus reinforced corners and a limited manufacturer's warranty.\u003c\/p\u003e\n\n\u003ch3\u003eStandard Double-Door Underbody Tool Box\u003c\/h3\u003e\n\u003cp\u003eThis is the classic for daily use, and a favorite for haulers who want reliable access to tools while keeping the underdeck clear.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual doors that open from the center for access from either side.\u003c\/li\u003e\n\u003cli\u003eA stainless steel lock rod that opens like a trailer door and can be padlocked for extra theft protection.\u003c\/li\u003e\n\u003cli\u003eA heavy-duty rubber gasket that makes the box weather resistant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFlush-Door Underbody Tool Box\u003c\/h3\u003e\n\u003cp\u003eFor a cleaner look, choose the \u003ca href=\"\/products\/sturdy-lite-flush-door-toolbox-24x24x60\"\u003eflush-door tool box\u003c\/a\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe same double-door access, custom gutter system, and stainless steel lock rod as the standard box.\u003c\/li\u003e\n\u003cli\u003eStainless steel strap hinges for added corrosion resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSingle-Door Drop-Down Wrecker Box\u003c\/h3\u003e\n\u003cp\u003eBuilt for the flatbed wrecker industry, this \u003ca href=\"\/products\/sturdy-lite-wrecker-box-w-high-strength-cables-load-bearing-door-24x24x60\"\u003ewrecker tool box\u003c\/a\u003e has a load-rated door that opens downward for quick access to your trailer.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA single full-width drop-down door, a good fit where a curb or other obstacle would stop double swing-out doors from opening.\u003c\/li\u003e\n\u003cli\u003eLoad-rated door cables that are quieter than chain and won't catch on your tools.\u003c\/li\u003e\n\u003cli\u003eThe same weather-resistant construction as the other Sturdy-Lite boxes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt to Withstand the Road\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-strength aluminum alloy construction for lightweight durability.\u003c\/li\u003e\n\u003cli\u003eCNC-machined and laser-cut for consistent performance.\u003c\/li\u003e\n\u003cli\u003eAll welds performed by AWS-certified welders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Mount a Tool Box Under the Flatbed\u003c\/h2\u003e\n\u003cp\u003eAn underbody box frees up cargo space and keeps essential gear organized and within reach, such as \u003ca href=\"\/collections\/winch-bars\"\u003ewinch bars\u003c\/a\u003e, \u003ca href=\"\/collections\/winch-straps-2-inch-4-inch\"\u003ewinch straps\u003c\/a\u003e, a \u003ca href=\"\/products\/5th-wheel-pin-puller-34-length\"\u003efifth wheel pin puller\u003c\/a\u003e, and extra oil.\u003c\/p\u003e\n\n\u003ch2\u003eQuestions?\u003c\/h2\u003e\n\u003cp\u003eNeed help choosing an underbody tool box? Get in touch with our product experts, and don't forget the installation brackets.\u003c\/p\u003e\n\u003cp\u003eFinish your trailer setup with \u003ca href=\"\/collections\/headache-racks-trailer-tool-boxes-semi-truck-fenders\"\u003eheadache racks\u003c\/a\u003e, \u003ca href=\"\/collections\/trailer-tarps-lumber-steel-tarps\"\u003eflatbed tarps\u003c\/a\u003e, and \u003ca href=\"\/collections\/transport-chain-chain-binders\"\u003echains and binders\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"sturdy-lite-truck-box-bracket-23x22","title":"Sturdy-Lite Truck Box Bracket 23\" x 22\" | Set of 2","description":"\u003cp\u003eThese Sturdy-Lite steel brackets are built to mount any Sturdy-Lite 24\" x 24\" underbody toolbox correctly on a truck frame, bolting to both the truck frame and the toolbox for a secure hold.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBuilt from A36 hot rolled structural steel for heavy-duty strength.\u003c\/li\u003e\n\u003cli\u003eSized specifically for Sturdy-Lite 24\" x 24\" underbody toolboxes and designed for truck-frame mounting.\u003c\/li\u003e\n\u003cli\u003eA separate standard trailer mounting bracket is available for trailer installation instead.\u003c\/li\u003e\n\u003cli\u003eSold as a set of 2 brackets; hardware not included.\u003c\/li\u003e\n\u003cli\u003eMounting hole placement may not fit all truck models; drilling additional holes may be required.\u003c\/li\u003e\n\u003cli\u003eDomestically made in Bristol, TN.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMounting a Sturdy-Lite 24\" x 24\" underbody toolbox to a truck frame rather than a trailer.\u003c\/li\u003e\n\u003cli\u003eFleets replacing worn or missing mounting brackets on an existing toolbox.\u003c\/li\u003e\n\u003cli\u003eBuyers who should call for guidance on Great Dane- or Renegade-specific brackets, or if unsure which bracket fits.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"US Cargo Control","offers":[{"title":"Default Title","offer_id":50541596049544,"sku":"TB-2322-DM-BRACKET-SL","price":147.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/files\/sturdy-lite-bracket-for-24-inch-toolbox-23x22.01.jpg?v=1790636545"},{"product_id":"sturdy-lite-trailer-box-bracket-30x22","title":"Sturdy-Lite Trailer Box Bracket 30\" x 22\" | Set of 2","description":"\u003cp\u003eThese Sturdy-Lite steel brackets are the standard mounting option for any Sturdy-Lite 24\" x 24\" underbody toolbox installed on a trailer, bolting to both the trailer and the toolbox for a secure hold.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBuilt from A36 hot rolled structural steel for heavy-duty strength.\u003c\/li\u003e\n\u003cli\u003eSized specifically for Sturdy-Lite 24\" x 24\" underbody toolboxes and designed for standard trailer installation.\u003c\/li\u003e\n\u003cli\u003eA separate truck-frame mounting bracket is available for truck-frame installation instead.\u003c\/li\u003e\n\u003cli\u003eSold as a set of 2 brackets; hardware not included.\u003c\/li\u003e\n\u003cli\u003eMounting hole placement may not fit all trailer models; drilling additional holes may be required.\u003c\/li\u003e\n\u003cli\u003eDomestically made in Bristol, TN.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMounting a Sturdy-Lite 24\" x 24\" underbody toolbox to a trailer.\u003c\/li\u003e\n\u003cli\u003eFleets replacing worn or missing mounting brackets on an existing toolbox.\u003c\/li\u003e\n\u003cli\u003eBuyers who should call for guidance on Great Dane- or Renegade-specific brackets, or if unsure which bracket fits.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"US Cargo Control","offers":[{"title":"Default Title","offer_id":50541596639368,"sku":"TB-3022-DM-BRACKET-SL","price":164.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/files\/sturdy-lite-bracket-for-24-inch-toolbox.01.jpg?v=1790636546"},{"product_id":"sturdy-lite-flush-door-toolbox-24x24x48","title":"Sturdy-Lite Flush Door Toolbox 24\" x 24\" x 48\"","description":"\u003cp\u003eBolt-on toolboxes don't always look like they belong on the trailer, but this flush-mounted Sturdy-Lite box is designed to sit cleanly against the body rather than sticking out. A heavier-duty lock than the standard lock-rod design backs up the upgraded look, and the double doors swing outward rather than dropping down.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlush-mounted double doors for a cleaner look than a standard drop-down box.\u003c\/li\u003e\n\u003cli\u003eHeavier-duty lock than a standard lock rod, plus stainless steel strap hinges for corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e.125\" thick premium aluminum alloy construction, CNC-machined and laser-cut, AWS-certified welding, reinforced corners.\u003c\/li\u003e\n\u003cli\u003eOne-piece solid rain gussets with rubber water seals keep contents dry; mirror-polished finish.\u003c\/li\u003e\n\u003cli\u003eBuilt in Bristol, TN; one-year limited manufacturer's warranty.\u003c\/li\u003e\n\u003cli\u003eMounting brackets sold separately -- choose standard trailer or truck-frame mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFleets that want a cleaner, flush-mounted look along with heavier-duty security than a standard lock rod.\u003c\/li\u003e\n\u003cli\u003eStoring a fifth wheel pin puller, rubber tarp straps, winch straps, and extra fluids within easy reach.\u003c\/li\u003e\n\u003cli\u003eStraight trucks and lumber trucks looking for underbody storage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"US Cargo Control","offers":[{"title":"Default Title","offer_id":50541596803208,"sku":"TB-242448-FDW-SL","price":1645.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/files\/sturdy-lite-flush-door-semi-trailer-toolbox-24x24x48.01.jpg?v=1790636546"},{"product_id":"sturdy-lite-wrecker-box-24x24x36","title":"Sturdy-Lite Wrecker Trailer Tool Box 24\" x 24\" x 36\"","description":"\u003cp\u003eBuilt for the flatbed wrecker industry and other jobs that call for frequently reaching up to work on the truck, the Sturdy-Lite Wrecker Box mounts under the trailer with a single drop-down door that's load-rated to stand on. High-strength cables hold the lid open instead of a standard chain, keeping things quieter and out of the way of your tools.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e.125\" thick, high-strength premium aluminum alloy construction, CNC-machined and laser-cut for consistency, with AWS-certified welding and reinforced corners.\u003c\/li\u003e\n\u003cli\u003eSingle drop-down door, load-rated to stand on, supported by high-strength cables instead of a chain.\u003c\/li\u003e\n\u003cli\u003eDrop-down design suits lower trailers (like a step deck) or spots where a curb or other obstacle would block a double-door box.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty, one-piece solid rain gusset with rubber water seals keeps contents dry.\u003c\/li\u003e\n\u003cli\u003eHighly polished mirror finish; unique keys per unit.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty roller locks with a folding T-handle and protective keyhole cover.\u003c\/li\u003e\n\u003cli\u003eDomestically made in Bristol, TN; backed by a one-year limited manufacturer's warranty.\u003c\/li\u003e\n\u003cli\u003eMounting brackets sold separately, with options for standard trailer installation or truck-frame mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlatbed wrecker operators who need reliable, load-rated access to work on the truck.\u003c\/li\u003e\n\u003cli\u003eLower trailers or mounting spots where a curb or obstacle would block a standard double-door box.\u003c\/li\u003e\n\u003cli\u003eStoring a fifth wheel pin puller, rubber tarp straps, winch straps, and extra fluids.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"US Cargo Control","offers":[{"title":"Default Title","offer_id":50541597065352,"sku":"TB-242436-WB-SL","price":1575.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/files\/sturdy-flatbed-trailer-wrecker-toolbox-24x24x36.01.jpg?v=1790636538"},{"product_id":"sturdy-lite-double-mirror-toolbox-24x24x36","title":"Sturdy-Lite Double Mirror Underbody Toolbox 24\" x 24\" x 36\"","description":"\u003cp\u003eA drop-down toolbox door left hanging open is easy to miss until you've backed into it, which is part of why this Sturdy-Lite underbody toolbox swings its two doors outward instead. A stainless steel lock rod, opening just like a trailer door, closes the box and takes a padlock for theft prevention -- a step up from the T-handle lock on single-door boxes -- and an open door announces itself with noise instead of staying silently in the way.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDouble outward-swinging doors paired with a stainless steel lock rod for corrosion resistance and trailer-door-style security.\u003c\/li\u003e\n\u003cli\u003e.125\" thick premium aluminum alloy body, CNC-machined and laser-cut for consistent parts, AWS-certified welds, reinforced corners.\u003c\/li\u003e\n\u003cli\u003eOne-piece solid rain gusset with rubber water seals keeps tools dry.\u003c\/li\u003e\n\u003cli\u003eHighly polished mirror finish.\u003c\/li\u003e\n\u003cli\u003eBuilt in Bristol, TN; one-year limited manufacturer's warranty.\u003c\/li\u003e\n\u003cli\u003eMounting brackets sold separately -- choose standard trailer or truck-frame mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStoring a fifth wheel pin puller, rubber tarp straps, winch straps, and extra fluids within easy reach.\u003c\/li\u003e\n\u003cli\u003eStraight trucks and lumber trucks looking for underbody storage.\u003c\/li\u003e\n\u003cli\u003eFleets that want a padlockable, trailer-door-style lock rather than a standard T-handle.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"US Cargo Control","offers":[{"title":"Default Title","offer_id":50541597393032,"sku":"TB-242436-DM-SL","price":1525.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/files\/sturdy-lite-semi-trailer-toolbox-24x24x36.01.jpg?v=1790636544"},{"product_id":"sturdy-lite-double-mirror-toolbox-18x18x48","title":"Sturdy-Lite Double Mirror Underbody Toolbox 18\" x 18\" x 48\"","description":"\u003cp\u003eTrailers that sit low to the ground, like step decks and drop decks, don't always have room for a full 24\" x 24\" toolbox -- this smaller Sturdy-Lite version is sized to fit underneath them instead, without giving up the double-door, lock-rod design of the larger box.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompact, lower-profile body sized for step decks and other low-riding trailers.\u003c\/li\u003e\n\u003cli\u003eTwo outward-swinging doors (rather than drop-down) with a padlockable stainless steel lock rod that works like a trailer door.\u003c\/li\u003e\n\u003cli\u003e.125\" thick premium aluminum alloy construction, CNC-machined and laser-cut, AWS-certified welding, reinforced corners.\u003c\/li\u003e\n\u003cli\u003eOne-piece solid rain gusset with rubber water seals keeps contents dry; mirror-polished finish.\u003c\/li\u003e\n\u003cli\u003eBuilt in Bristol, TN; one-year limited manufacturer's warranty.\u003c\/li\u003e\n\u003cli\u003eMounting brackets sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStep decks, drop decks, and other lower-riding trailers where a 24\"x24\" box would sit too close to the ground.\u003c\/li\u003e\n\u003cli\u003eStoring winch bars, a fifth wheel pin puller, rubber tarp straps, winch straps, and extra fluids.\u003c\/li\u003e\n\u003cli\u003eFleets that want a padlockable, trailer-door-style lock rather than a standard T-handle.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"US Cargo Control","offers":[{"title":"Default Title","offer_id":50541597425800,"sku":"TB-181848-DM-SL","price":1495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/files\/sturdy-lite-semi-trailer-toolbox-18x18x48.01.jpg?v=1790636540"},{"product_id":"sturdy-lite-box-bracket-17x17","title":"Sturdy-Lite Underbody Box Bracket 17\" x 17\" | Set of 2","description":"\u003cp\u003eThese Sturdy-Lite steel brackets are built to mount any Sturdy-Lite 18\" x 18\" underbody toolbox correctly, bolting to both the trailer and the toolbox for a secure hold.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBuilt from A36 hot rolled structural steel for heavy-duty strength.\u003c\/li\u003e\n\u003cli\u003eSized specifically for Sturdy-Lite 18\" x 18\" underbody toolboxes.\u003c\/li\u003e\n\u003cli\u003eSold as a set of 2 brackets; hardware not included.\u003c\/li\u003e\n\u003cli\u003eMounting hole placement may not fit all trailer models; drilling additional holes may be required.\u003c\/li\u003e\n\u003cli\u003eDomestically made in Bristol, TN.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMounting a Sturdy-Lite 18\" x 18\" underbody toolbox securely to a trailer.\u003c\/li\u003e\n\u003cli\u003eFleets replacing worn or missing mounting brackets on an existing toolbox.\u003c\/li\u003e\n\u003cli\u003eBuyers who should call for guidance on Great Dane- or Renegade-specific brackets, or if unsure which bracket fits.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"US Cargo Control","offers":[{"title":"Default Title","offer_id":50541597491336,"sku":"TB-1717-DM-BRACKET-SL","price":137.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/files\/sturdy-lite-bracket-for-18-inch-toolbox.01.jpg?v=1790636539"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/8644\/4936\/collections\/underbody-tool-boxes-cimg.jpg?v=1756840819","url":"https:\/\/www.fastenersplus.com\/collections\/underbody-tool-boxes.oembed","provider":"Fasteners Plus","version":"1.0","type":"link"}