{"product_id":"2017-2022-ford-super-duty-f-250-boxed-ladder-traction-bars-copy","title":"2017–2022 Ford Super Duty F-350 Boxed Ladder \/ Traction Bars","description":"\u003ch2\u003e2017–2022 Ford Super Duty F-350 Boxed Ladder \/ Traction Bars\u003c\/h2\u003e\n\u003cp\u003ePut a custom look beneath your F-350 while helping control axle wrap and wheel hop under towing loads and hard acceleration. Apoc’s show-style boxed ladder \/ traction bars combine boxed steel construction with polyurethane bushings. Each set ships in raw steel so you can finish and color-match the bars to your build.\u003c\/p\u003e\n\u003ch3\u003eFitment and Ordering\u003c\/h3\u003e\n\u003cp\u003eFor 2017–2022 Ford Super Duty F-350 trucks only, 2WD and 4WD with a straight rear axle. Identify the axle physically installed on your truck and confirm the matching mounting configuration before ordering. Fuel type, model year, wheel setup, or gear ratio alone is not sufficient to select axle-mount hardware. This identification guide does not guarantee that every configuration is offered by this kit. If your axle is not listed in the available selections, contact Apoc before ordering. Do not substitute a different axle selection.\u003c\/p\u003e\n\u003ch3\u003eIdentify Your F-350 Rear Axle\u003c\/h3\u003e\n\u003ch4\u003e1. Start with the Rear Wheel Setup\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle rear wheels (SRW):\u003c\/strong\u003e The standard axle is the Dana M275 with 4.0-inch axle tubes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual rear wheels (DRW \/ dually):\u003c\/strong\u003e The Dana M300 uses 4.5-inch axle tubes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSterling exception:\u003c\/strong\u003e A small number of base-model 6.2L gas SRW trucks with a 3.73 ratio used the Sterling 10.5. Do not assume every SRW F-350 has an M275. The 6.7L diesel and 7.3L gas configurations use the Dana axle lineup described above.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e2. Inspect the Housing and Measure the Tubes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDana M275:\u003c\/strong\u003e 14 differential-cover bolts, an angular diamond \/ octagonal cover, a fluid-fill plug on the rear cover face, and 4.0-inch outside-diameter axle tubes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDana M300:\u003c\/strong\u003e Also has 14 differential-cover bolts and an angular cover profile, but with a physically larger, wider, taller center casting and 4.5-inch outside-diameter axle tubes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSterling 10.5 exception:\u003c\/strong\u003e 12 differential-cover bolts, a rounded, vertically oblong cover, and 3.5-inch outside-diameter axle tubes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBoth Dana axles have 14 cover bolts.\u003c\/strong\u003e Bolt count alone cannot distinguish the M275 from the M300. Measure the straight axle tubes extending from the center housing toward the wheels rather than estimating their size visually. Verify the actual housing if the axle has been replaced or modified.\u003c\/p\u003e\n\u003ch4\u003e3. Use the Driver’s Door-Jamb Label as a Supporting Check\u003c\/h4\u003e\n\u003cp\u003eLocate the white factory certification label inside the driver’s door jamb and find the two-character “AXLE” code near the bottom right. For 2017–2022 F-350 trucks, use these supporting references:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSRW Dana M275:\u003c\/strong\u003e 31 \/ 3H for 3.31, 35 \/ 3J for 3.55, and 37 \/ 3K for 3.73. Numeric codes identify open differentials; 3H, 3J, and 3K identify electronic-locking versions. Keep the 6.2L gas \/ 3.73 Sterling exception in mind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDRW Dana M300:\u003c\/strong\u003e 73 \/ F3 for 3.73, or 78 \/ F8 for 4.10. Numeric codes identify open differentials; F3 and F8 identify limited-slip versions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe label describes the original factory configuration. Confirm the actual axle type and tube diameter before choosing mounting hardware, especially on modified trucks.\u003c\/p\u003e\n\u003ch3\u003eBoxed-Bar Features and Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Show-style boxed steel with laser-cut brackets, distinct from the tubular ladder-bar design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Raw steel for custom finishing and color matching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBushings:\u003c\/strong\u003e Polyurethane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-on frame and axle brackets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLift compatibility:\u003c\/strong\u003e Stock to most lift applications; confirm your specific setup before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduction:\u003c\/strong\u003e Built to order. Allow production time before shipping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e(2) show-style boxed traction bars\u003c\/li\u003e\n\u003cli\u003eAxle brackets\u003c\/li\u003e\n\u003cli\u003eFrame brackets\u003c\/li\u003e\n\u003cli\u003ePolyurethane bushings\u003c\/li\u003e\n\u003cli\u003eInstallation hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and Clearance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkill level:\u003c\/strong\u003e Intermediate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEstimated installation time:\u003c\/strong\u003e Approximately 2–3 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTools:\u003c\/strong\u003e Standard hand tools and drill; angle grinder if trimming is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirbag helper springs:\u003c\/strong\u003e Not compatible without modification. Contact Apoc before ordering if your truck has helper airbags.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear restriction:\u003c\/strong\u003e Does not fit 2023+ Super Duty trucks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear suspension:\u003c\/strong\u003e Straight rear axle applications only; not for coil-sprung rear suspension.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0579\/8961\/files\/ladder_bar_install.pdf?v=1628885559\"\u003eView Installation Guide\u003c\/a\u003e\u003c\/p\u003e","brand":"Apoc Industries","offers":[{"title":"Dana M275 4.0\" Tubes \/ Regular Cag \/ Short Bed","offer_id":43888580001853,"sku":"CNC-AP-72\/UB3\/BF-UNCOATED","price":1102.49,"currency_code":"USD","in_stock":true},{"title":"Dana M275 4.0\" Tubes \/ Regular Cag \/ Long Bed","offer_id":43888580034621,"sku":"CNC-AP-72\/UB3\/BF-UNCOATED","price":1102.49,"currency_code":"USD","in_stock":true},{"title":"Dana M275 4.0\" Tubes \/ Extended Cab \/ Short Bed","offer_id":43888580067389,"sku":"CNC-AP-72\/UB3\/BF-UNCOATED","price":1102.49,"currency_code":"USD","in_stock":true},{"title":"Dana M275 4.0\" Tubes \/ Extended Cab \/ Long Bed","offer_id":43888580100157,"sku":"CNC-AP-72\/UB3\/BF-UNCOATED","price":1102.49,"currency_code":"USD","in_stock":true},{"title":"Dana M275 4.0\" Tubes \/ Crew Cab \/ Short Bed","offer_id":43888580132925,"sku":"CNC-AP-72\/UB3\/BF-UNCOATED","price":1102.49,"currency_code":"USD","in_stock":true},{"title":"Dana M275 4.0\" Tubes \/ Crew Cab \/ Long Bed","offer_id":43888580165693,"sku":"CNC-AP-82\/UB3\/BF-UNCOATED","price":1102.49,"currency_code":"USD","in_stock":true},{"title":"Dana M300 4.5\" tubes \/ Regular Cag \/ Short Bed","offer_id":43888580198461,"sku":"CNC-AP-72\/UB4\/BF-UNCOATED","price":1102.49,"currency_code":"USD","in_stock":true},{"title":"Dana M300 4.5\" tubes \/ Regular Cag \/ Long Bed","offer_id":43888580231229,"sku":"CNC-AP-72\/UB4\/BF-UNCOATED","price":1102.49,"currency_code":"USD","in_stock":true},{"title":"Dana M300 4.5\" tubes \/ Extended Cab \/ Short Bed","offer_id":43888580263997,"sku":"CNC-AP-72\/UB4\/BF-UNCOATED","price":1102.49,"currency_code":"USD","in_stock":true},{"title":"Dana M300 4.5\" tubes \/ Extended Cab \/ Long Bed","offer_id":43888580296765,"sku":"CNC-AP-72\/UB4\/BF-UNCOATED","price":1102.49,"currency_code":"USD","in_stock":true},{"title":"Dana M300 4.5\" tubes \/ Crew Cab \/ Short Bed","offer_id":43888580329533,"sku":"CNC-AP-72\/UB4\/BF-UNCOATED","price":1102.49,"currency_code":"USD","in_stock":true},{"title":"Dana M300 4.5\" tubes \/ Crew Cab \/ Long Bed","offer_id":43888580362301,"sku":"CNC-AP-82\/UB4\/BF-UNCOATED","price":1102.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/8961\/files\/CNCLadderBarKitUB_97fa0f83-8ed1-48ab-be47-547810f4956d.jpg?v=1789752639","url":"https:\/\/apocindustries.com\/products\/2017-2022-ford-super-duty-f-250-boxed-ladder-traction-bars-copy","provider":"Apoc Industries","version":"1.0","type":"link"}