{"product_id":"atb-a-cg51-underbody-cargo-box-aluminum-side-open-doors-dolphin-tail-t-handle-lock","title":"ATB A-CG51 Underbody Cargo Box, Aluminum Side-Open Doors, Dolphin Tail T-Handle Lock","description":"\u003cp\u003eThe ATB A-CG51 side-open cargo box is a long, high-capacity aluminum box for under a trailer deck or the back of a truck, with doors that swing open to the side. ATB builds it from .125 aluminum with a smooth body, diamond tread doors, stainless-steel continuous hinges and a lockable dolphin tail T-handle latch. Three sizes run from 72\" to 101\" deep, and the 36\"-wide box has double doors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA-CG51 aluminum underbody cargo box with side-open door(s)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e.125 Aluminum Build\u003c\/strong\u003e\u003cbr\u003eATB builds the A-CG51 from .125 aluminum: a smooth aluminum body with a diamond tread plate door. ATB calls it super heavy duty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeam Welded, Gusseted\u003c\/strong\u003e\u003cbr\u003eFully seam welded on all seams and corners, with gusseted corners for added strength.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSide-Open Doors\u003c\/strong\u003e\u003cbr\u003eSide-open doors on full-length stainless-steel continuous hinges; the 36\"-wide size has double doors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDolphin Tail T-Handle\u003c\/strong\u003e\u003cbr\u003eA lockable stainless-steel dolphin tail heavy-duty adjustable T-handle latch secures the door.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRain Gutter \u0026amp; Seal\u003c\/strong\u003e\u003cbr\u003eA fully concealed rain gutter with an automotive weather seal helps keep tools, tarps and gear dry.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUnder-Trailer Mounting\u003c\/strong\u003e\u003cbr\u003eMount it under a trailer deck or on the back of a truck; the mounting kit is sold separately.\u003c\/p\u003e\n\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cdiv style=\"background:#faf7f7;border-left:4px solid #ba232a;border-radius:0 8px 8px 0;padding:14px 16px;margin:12px 0;\"\u003e\n\u003cp style=\"margin:0 0 6px;\"\u003eHow to choose: measure the clear length under the deck or on the frame for depth (72\" to 101\"), then the drop below the deck for height and the room you have for width.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 6px;\"\u003eLeave swing room beside the box for the side-open door. ATB offers optional gas springs and a full-length shelf; contact us before you order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cb\u003eFits:\u003c\/b\u003e Under a trailer deck or truck body (check length, drop and width)\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e ATB\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Underbody cargo box, side-open doors\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e .125 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConstruction:\u003c\/b\u003e Fully seam welded, gusseted corners\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Smooth aluminum body, diamond tread plate door\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHinge:\u003c\/b\u003e Stainless-steel continuous hinge\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLock:\u003c\/b\u003e Stainless-steel dolphin tail T-handle latch, lockable (one lock)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeather seal:\u003c\/b\u003e Concealed rain gutter, automotive weather seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMounting kit:\u003c\/b\u003e Not included (ATB M2600UD under-deck kit; M3452C for frame mount)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMade in:\u003c\/b\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"pt-fitw pt-varspec\"\u003e\u003ctable\u003e\n\u003ccaption\u003eVersions\u003c\/caption\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eDoor\u003c\/th\u003e\n\u003cth\u003eDoor opening\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr data-sku=\"A-CG51-187218SL-T\"\u003e\n\u003ctd\u003eA-CG51-187218SL-T\u003c\/td\u003e\n\u003ctd\u003e18\"H x 72\"D x 18\"W\u003c\/td\u003e\n\u003ctd\u003eSingle side-open\u003c\/td\u003e\n\u003ctd\u003e14-3\/8\"H x 14-3\/8\"W\u003c\/td\u003e\n\u003ctd\u003e80 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-sku=\"A-CG51-188424SL-T\"\u003e\n\u003ctd\u003eA-CG51-188424SL-T\u003c\/td\u003e\n\u003ctd\u003e18\"H x 84\"D x 24\"W\u003c\/td\u003e\n\u003ctd\u003eSingle side-open\u003c\/td\u003e\n\u003ctd\u003e14-3\/8\"H x 20-3\/8\"W\u003c\/td\u003e\n\u003ctd\u003e108 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-sku=\"A-CG51-1810136DL-T\"\u003e\n\u003ctd\u003eA-CG51-1810136DL-T\u003c\/td\u003e\n\u003ctd\u003e18\"H x 101\"D x 36\"W\u003c\/td\u003e\n\u003ctd\u003eDouble side-open\u003c\/td\u003e\n\u003ctd\u003e14-3\/8\"H x 30-3\/8\"W\u003c\/td\u003e\n\u003ctd\u003e172 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eTime:\u003c\/b\u003e About 1.5 to 4 hours · \u003cb\u003eWhat's involved:\u003c\/b\u003e Rod bolts and clamp brackets hang the box from the trailer cross beams; you drill 1\/2\" holes per ATB's M2600UD sheet. · \u003cb\u003eTools:\u003c\/b\u003e 3\/4\" ratchet wrench; 3\/4\" wrench; Tape measure; Drill with 1\/2\" bit; Two clamps; Blocks\u003c\/p\u003e\n\u003cp\u003eHere's the short version. Follow ATB's install sheet (below) for your truck's exact positions and hardware.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eCheck all parts against the parts list and make sure there is room to mount the box.\u003c\/li\u003e\n\u003cli\u003eMove the cargo box to its underbody position to check it fits there.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMove the box aside.\u003c\/b\u003e Put a washer and locknut on each rod and tighten until the thread shows 1\/4\" past the nut. Slide each rod through a top bracket and fit the top clamp bracket between the trailer I-beams. Do this for all brackets before going on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSet the outside brackets as far out on the trailer as possible and one in the center (ATB:\u003c\/b\u003e three bracket sets for 750 lbs., five for 1250 lbs.).\u003c\/li\u003e\n\u003cli\u003eFit the top bracket and top center clamp, insert the bolt with a washer on both ends and secure it with a nylon lock nut, then secure the nut on the rod.\u003c\/li\u003e\n\u003cli\u003eMove the box into position and block it in place.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eResources\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0805\/4784\/0244\/files\/atb-m2600ud-installation-instructions.pdf?v=1793725753\" target=\"_blank\" rel=\"noopener\"\u003eATB ATB-M2600UD installation sheet (PDF)\u003c\/a\u003e, ATB's own step-by-step guide.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eWarranty, Shipping \u0026amp; Returns\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty.\u003c\/strong\u003e ATB covers its standard truck boxes with a 60-month (5-year) limited warranty for the original purchaser; it is not transferable.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor a warranty claim, contact us with your order number and photos and we will work it through with ATB.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShipping.\u003c\/strong\u003e Ships by freight from the ATB factory in Blanchard, ND; lift-gate delivery available.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAlaska, Hawaii and Canada: contact us for a freight quote before you order.\u003c\/li\u003e\n\u003cli\u003eWe email your tracking details as soon as it ships.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInspect on delivery.\u003c\/strong\u003e Check the box when the freight arrives, before the driver leaves: look over the lids, doors, corners and welds for dents, scratches or shipping damage. Note any damage on the delivery receipt and send us photos. Check it as soon as it arrives.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLook for crushed ends, punctures or tears in the carton.\u003c\/li\u003e\n\u003cli\u003eIf something looks wrong, take photos of the box and the parts (and if a driver asks you to sign, note the damage on the receipt).\u003c\/li\u003e\n\u003cli\u003eOpen the box and check the parts against the parts list before you install.\u003c\/li\u003e\n\u003cli\u003eEmail \u003ca href=\"mailto:support@prestigetruck.com\"\u003esupport@prestigetruck.com\u003c\/a\u003e right away with your order number, a short note and photos. We send a replacement or a full refund at no cost to you.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e30-day returns.\u003c\/strong\u003e Return it within 30 days of delivery, unused, in the original packaging, with proof of purchase.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEmail \u003ca href=\"mailto:support@prestigetruck.com\"\u003esupport@prestigetruck.com\u003c\/a\u003e with your order number. We reply within 1-2 business days with instructions.\u003c\/li\u003e\n\u003cli\u003eDamaged, defective or wrong item: we send a prepaid label or arrange a pickup.\u003c\/li\u003e\n\u003cli\u003eChanged your mind: you pay return shipping. No restocking fee.\u003c\/li\u003e\n\u003cli\u003eRefunds go back to your original payment method within 7 business days of approval. See our \u003ca href=\"https:\/\/prestigetruck.com\/policies\/refund-policy\"\u003ereturns policy\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAbout ATB\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start;margin:6px 0 4px;\"\u003e\n\u003cdiv style=\"flex:0 0 150px;max-width:150px;border:2px solid #14161a;padding:12px 8px;text-align:center;font:700 22px\/1 Rajdhani,'Arial Narrow',sans-serif;color:#b3121f;\"\u003eATB\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 340px;min-width:240px;\"\u003e\u003cp\u003eAmerican Truckboxes (ATB) builds aluminum and steel truck boxes, tanks and storage in Blanchard, North Dakota, and has done so for more than 25 years, by its own account. Its range covers pickup crossover, side-mount, chest and drawer boxes, service-truck boxes and packs, fuel tanks, and heavy-truck and trailer boxes.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#faf7f7;border-left:4px solid #b3121f;border-radius:0 8px 8px 0;padding:14px 16px;margin:16px 0 0;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eAuthorized ATB dealer.\u003c\/strong\u003e Prestige Truck is an authorized ATB dealer: every box on this page is built by ATB to the part number shown.\u003c\/p\u003e\u003c\/div\u003e","brand":"American Truckboxes","offers":[{"title":"18\"H x 72\"D x 18\"W","offer_id":68033857388788,"sku":"A-CG51-187218SL-T","price":1312.5,"currency_code":"USD","in_stock":true},{"title":"18\"H x 84\"D x 24\"W","offer_id":68033857421556,"sku":"A-CG51-188424SL-T","price":1586.25,"currency_code":"USD","in_stock":true},{"title":"18\"H x 101\"D x 36\"W","offer_id":68033857454324,"sku":"A-CG51-1810136DL-T","price":2469.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0805\/4784\/0244\/files\/atb-tb69380-tb-product-52841.jpg?v=1793728238","url":"https:\/\/prestigetruck.com\/products\/atb-a-cg51-underbody-cargo-box-aluminum-side-open-doors-dolphin-tail-t-handle-lock","provider":"Prestige Truck","version":"1.0","type":"link"}