{"product_id":"md20-145-meritor-forward-rear-differential-40k-dpx-reman","title":"MD20-145 | Meritor Forward Rear Differential | MD40-14X | 40k | DPX Reman","description":"\u003c!-- Product Hero --\u003e\n\u003ch2\u003eMD20-145 | Meritor Forward Rear Differential with Power Divider — Remanufactured by DPX (40K GAWR)\u003c\/h2\u003e\n\n\u003c!-- Product Summary --\u003e\n\u003cp\u003eHeavy-duty \u003cstrong\u003eforward-rear\u003c\/strong\u003e tandem differential with integrated power divider for Class 8 tractors. \u003cstrong\u003eRemanufactured in Mansfield, Ohio by Discount Parts Exchange - DPX.\u003c\/strong\u003e The Meritor MD20-145 (also covers MD40-14X and MD20145 series) is the forward position unit that feeds the rear axle through the inter-axle shaft. \u003cstrong\u003eRebuilt to your exact ratio\u003c\/strong\u003e using upgraded components for improved reliability. Popular in Cummins-Meritor drivetrain applications. Also referenced as MD20145 (no dash).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCall DPX to confirm: 419-522-3320.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003c!-- Highlights --\u003e\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e MD20-145 \/ MD40-14X \/ MD20145 (forward rear with power divider)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAxle Family:\u003c\/strong\u003e Meritor \/ Rockwell 20-145 (Cummins-Meritor)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGAWR:\u003c\/strong\u003e 40,000 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Single-reduction; matched ring \u0026amp; pinion; integrated power divider with truck-controlled lock\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Shaft:\u003c\/strong\u003e 3297-D-1616 – 2.390\" 46 spline\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAxle Gears:\u003c\/strong\u003e 2234-G-1437 – 2.100\" 41 spline\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Nut:\u003c\/strong\u003e 40X-1233 or KIT2826\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Seal:\u003c\/strong\u003e A1-1205-X-2728 (Multiple-Lip Seal) Requires Meritor seal driver 2728T1 and sleeve driver 2728T2 for proper installation\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDPX PRO TIP:\u003c\/strong\u003e We replace with R945007 seal, make sure to remove the wear sleeve from the end yoke, failure to do so will burn the seal\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Divider Upgrade:\u003c\/strong\u003e All units upgraded to redesigned KIT2936 cover to reduce leaks common on original design\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Forward-rear (drives rear axle via inter-axle shaft)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Over the road, dump truck, heavy haul, and Cummins-powered fleets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- Available Gear Ratios \u0026 Gearset Part Numbers --\u003e\n\u003ch3\u003eAvailable Gear Ratios \u0026amp; Gearset Part Numbers\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ccaption\u003eMD20-145 \/ MD40-14X Forward Ratios\u003c\/caption\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eRatio\u003c\/th\u003e\n      \u003cth\u003eGearset Part Number\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2.28\u003c\/td\u003e\n\u003ctd\u003eB-44570-1F-228\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2.47\u003c\/td\u003e\n\u003ctd\u003eB-43498-1F-247\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2.64\u003c\/td\u003e\n\u003ctd\u003eB-43500-1F-264\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2.79\u003c\/td\u003e\n\u003ctd\u003eA-44440-1F-279\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2.85\u003c\/td\u003e\n\u003ctd\u003eA-44524-1F-285\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.08\u003c\/td\u003e\n\u003ctd\u003eA-42200-1F-308\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.25\u003c\/td\u003e\n\u003ctd\u003eA-43502-1F-325\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.36\u003c\/td\u003e\n\u003ctd\u003eA-42202-1F-336\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.42\u003c\/td\u003e\n\u003ctd\u003eA-43752-1F-342\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.55\u003c\/td\u003e\n\u003ctd\u003eA-42204-1F-355\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.70\u003c\/td\u003e\n\u003ctd\u003eB-42206-1F-370\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.90\u003c\/td\u003e\n\u003ctd\u003eB-42180-1F-390\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.11\u003c\/td\u003e\n\u003ctd\u003eB-42128-1F-411\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.33\u003c\/td\u003e\n\u003ctd\u003eB-41278-1F-433\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.63\u003c\/td\u003e\n\u003ctd\u003eB-41280-1F-463\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.88\u003c\/td\u003e\n\u003ctd\u003eB-41282-1F-488\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e5.13\u003c\/td\u003e\n\u003ctd\u003eB-41284-1F-513\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e5.29\u003c\/td\u003e\n\u003ctd\u003eB-41284-1F-529\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e5.57\u003c\/td\u003e\n\u003ctd\u003eA-41466-1F-557\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e5.86\u003c\/td\u003e\n\u003ctd\u003eA-41468-1F-586\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e6.14\u003c\/td\u003e\n\u003ctd\u003eA-41470-1F-614\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e6.43\u003c\/td\u003e\n\u003ctd\u003eA-41472-1F-643\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e6.83\u003c\/td\u003e\n\u003ctd\u003eA-41472-1F-683\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e7.17\u003c\/td\u003e\n\u003ctd\u003eA-41474-1F-717\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c!-- What’s Included --\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRemanufactured Meritor MD20-145 \/ MD40-14X forward rear carrier assembly rebuilt to your requested ratio by DPX\u003c\/li\u003e\n  \u003cli\u003e12-month, unlimited-mileage parts-only warranty\u003c\/li\u003e\n  \u003cli\u003eTech support from DPX during install and initial run-in\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- Fitment Notes --\u003e\n\u003ch3\u003eFitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFits tandem-drive trucks equipped with the Meritor \/ Rockwell 20-145 axle family (Cummins-Meritor applications)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForward-rear position\u003c\/strong\u003e with power divider; pairs with RR20-145 rear-rear carrier\u003c\/li\u003e\n  \u003cli\u003eVerify ratio and spline count before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- Image Disclaimer --\u003e\n\u003ch3\u003eImage Disclaimer\u003c\/h3\u003e\n\u003cp\u003ePhotos are representative; final appearance may vary by ratio and casting revision.\u003c\/p\u003e\n\n\u003c!-- Call to Order --\u003e\n\u003ch3\u003eCall to Order\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCall Discount Parts Exchange - DPX for pricing and availability:\u003c\/strong\u003e 419-522-3320\u003c\/p\u003e\n\n\u003c!-- DPX Drivetrain Tools Hub Snippet --\u003e\n\u003ch3 style=\"color: #c05a2f;\"\u003eDPX Drivetrain Tools Hub\u003c\/h3\u003e\n\u003cp\u003eFree tools built by rebuilders for truckers and fleets — Road Speed \u0026amp; Ratio Calculator, PTO shimming procedure, gear ratio comparison charts, and our full IPL library for instant parts identification.\u003cbr\u003e\n\u003ca style=\"color: #c05a2f;\" href=\"https:\/\/truckparts4u.com\/pages\/dpx-drivetrain-tools-hub\" target=\"_blank\" rel=\"noopener\"\u003eOpen DPX Drivetrain Tools Hub →\u003c\/a\u003e\u003c\/p\u003e\n\n\u003c!-- Tagline --\u003e\n\u003cp\u003e\u003cstrong\u003eDPX — Ohio’s Premier Heavy-Duty Drivetrain Rebuilder | Built to Perform. Trusted to Last.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Discount Parts Exchange (DPX)","offers":[{"title":"Default Title","offer_id":56537479250086,"sku":"MD20-145","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/9287\/9270\/files\/MD20-145_Meritor_Forward_Rear_Differential_with_Power_Divider_Remanufactured_by_DPX.jpg?v=1779894840","url":"https:\/\/truckparts4u.com\/products\/md20-145-meritor-forward-rear-differential-40k-dpx-reman","provider":"Discount Parts Exchange (DPX)","version":"1.0","type":"link"}