Exploded View for 2019-up RAM 3500 Dually trucks with HIGH OUTPUT Cummins engines
XVD283 Dan the Gear Man® Exploded View
2019-Current Ram 3500 Pickup w/ HO Cummins DRW Hub Parts
2019-Current Ram 3500 Pickup w/ HO Cummins DRW Hub Parts
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User Guide >
XVD283 2019-Current Ram 3500* Pickup with High Output Cummins
12" Rear Axle-Dual Rear Wheel Hub
12" Rear Axle-Dual Rear Wheel Hub
Exploded View Scene Index
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*This exploded View is specific to 2019-current Ram 3500 DRW Pickups with the ETM Cummins High Output Diesel option. Ram 3500 DRW Pickups with High Output Cummins engines have an option code DRC AAM 12" Rear Axle with 2-1/2" Spindle Ends.
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2019-Current Ram 3500 Pickup AAM 12.0 12" Rear Axles
(For All 3500 DRW Pickups WITH High Output Cummins Engine options)
(For All 3500 DRW Pickups WITH High Output Cummins Engine options)
This XVD283 Exploded View shows parts for the following 2019-current Ram 3500 Pickup DRW trucks:
Pickup Trucks with AAM 12" DRW Rear Axles (Axle Code DRC):
All Pickup Trucks (Engine Code ETM) with the High Output Cummins Engine
See XVD281 for:
Trucks with AAM 11.5" DRW Rear Axles (Axle Code DRX):
Trucks with AAM 11.5" DRW Rear Axles (Axle Code DRX):
All models with 6.4L gas engines (Engine Build Code ESB)
All pickups with the standard 6.7L Cummins Diesel (Engine Build Code ETL)
All Diesel Chassis Cab Trucks (Engine Code ETN) without the Max-Tow option
All Diesel Chassis Cab Trucks (Engine Code ETN) without the Max-Tow option
See XVD282 for:
Chassis Cab Trucks with AAM 12" DRW Rear Axles (Axle Code DRC):
All Diesel Chassis Cab Trucks (Engine Code ETN) with the AHQ Max Tow option
RAM 3500 AAM 12" rear axles are conventional, integral type housing hypoid gear iron-beam axles with two pinion bearings. The 12" axle was new for the 2019 model year as a replacement for the AAM 11.8" axle used from 2013-2018.
A reusable, right-hand thread single spindle nut is used for rear wheel bearing adjustment and retention. The nut is locked in place on the spindle by a square steel key. A snap ring type retainer prevents the key from slipping out of place.
An o-ring is used to seal between the 43mm x 33 spline full-float type axle shaft and wheel hub. The axle shaft is retained by TK11840 metric bolts with factory applied threadlocker. Eight bolts are used for 2019-2020 axles and 12 for 2021 and newer applications.
The wheel bearings must be packed with grease to provide initial lubrication. In service, 75w140 Synthetic Differential Oil that travels into the wheel hub from the differential will provide long-term wheel bearing lubrication.
The brake rotor is a separate part that bolts to the back side of the hub with 8 bolts.
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