{"product_id":"rrl20-145-meritor-rear-rear-differential-full-locker-dpx-reman","title":"RRL20-145 | Meritor Rear Rear Differential | Full Locker | DPX Reman","description":"\u003c!-- Product Hero --\u003e\n\u003ch2\u003eRRL20-145 | Meritor Rear Rear Differential with Full Driver Controlled Locker — Remanufactured by DPX (40K GAWR)\u003c\/h2\u003e\n\n\u003c!-- Product Summary --\u003e\n\u003cp\u003eHeavy-duty \u003cstrong\u003erear-rear\u003c\/strong\u003e tandem differential with full driver-controlled locker for maximum traction. \u003cstrong\u003eRemanufactured in Mansfield, Ohio by Discount Parts Exchange - DPX.\u003c\/strong\u003e The Meritor RRL20-145 is the rear position unit that pairs with MDL20-145 \/ RDL20-145 forward carriers. \u003cstrong\u003eRebuilt to your exact ratio\u003c\/strong\u003e with upgraded components. Popular in severe service Cummins-Meritor applications.\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 RRL20-145 (rear rear with full driver controlled locker)\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; full driver-controlled differential lock\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePinion:\u003c\/strong\u003e 2.00\" - 39 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-1237 or KIT2637\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeritor Input Seal:\u003c\/strong\u003e A1-1205-Z-2730 *Requires seal driver 2730T1 for proper installation\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDPX PRO TIP:\u003c\/strong\u003e We use R945009 seal.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarrier Castings:\u003c\/strong\u003e 3200W1557, 3200W1499\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Rear-rear (mates with MDL20-145 \/ RDL20-145 forward rear)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Dump trucks, heavy haul, construction, logging, and severe service 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\u003eRRL20-145 Rear Rear 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\u003e2.80\u003c\/td\u003e\n\u003ctd\u003eA41490-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2.93\u003c\/td\u003e\n\u003ctd\u003eA41158-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.07\u003c\/td\u003e\n\u003ctd\u003eA41494-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.21\u003c\/td\u003e\n\u003ctd\u003eA41496-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.42\u003c\/td\u003e\n\u003ctd\u003eB41164-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.58\u003c\/td\u003e\n\u003ctd\u003eB41498-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.73\u003c\/td\u003e\n\u003ctd\u003eB41500-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.91\u003c\/td\u003e\n\u003ctd\u003eB41502-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.10\u003c\/td\u003e\n\u003ctd\u003eB41504-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.30\u003c\/td\u003e\n\u003ctd\u003eA40066-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.33\u003c\/td\u003e\n\u003ctd\u003eB41266-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.56\u003c\/td\u003e\n\u003ctd\u003eB41542-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.63\u003c\/td\u003e\n\u003ctd\u003eB41268-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.88\u003c\/td\u003e\n\u003ctd\u003eB41270-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e5.13\u003c\/td\u003e\n\u003ctd\u003eA41272-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e5.29\u003c\/td\u003e\n\u003ctd\u003eB41274-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e5.57\u003c\/td\u003e\n\u003ctd\u003eA41304-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e5.86\u003c\/td\u003e\n\u003ctd\u003eB41456-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e6.14\u003c\/td\u003e\n\u003ctd\u003eA41458-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e6.43\u003c\/td\u003e\n\u003ctd\u003eA41460-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e6.83\u003c\/td\u003e\n\u003ctd\u003eA41462-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e7.17\u003c\/td\u003e\n\u003ctd\u003eA41464-1\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 RRL20-145 rear rear carrier assembly with full driver controlled locker, 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\u003eRear-rear position\u003c\/strong\u003e with full locker; pairs with MDL20-145 \/ RDL20-145 forward rear\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":56537807519910,"sku":"RRL20-145","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/9287\/9270\/files\/RRL20-145_Meritor_Rear_Rear_Differential_with_Full_Driver_Controlled_Locker_Remanufactured_by_DPX.jpg?v=1779902210","url":"https:\/\/truckparts4u.com\/products\/rrl20-145-meritor-rear-rear-differential-full-locker-dpx-reman","provider":"Discount Parts Exchange (DPX)","version":"1.0","type":"link"}