Ram 1500 Rear Differential Fluid Capacity, 3–2. You can find this oil at most auto parts stores. According to online sources, the rear differential oil capacity for most Ram 1500 models is around 2. Most Ram 1500 rear differentials take about 2. 2 - 2. Dec 19, 2018 · I looked around online for specifications on the exact fluid capacity, and I didn’t find anything consistent, but all specs I found were somewhere in the ballpark of 2. 6 quarts depending on year and axle. 21/3. May 9, 2024 · The good news is that the differential oil capacity for Ram 1500 models is relatively consistent across the board. 7 Hemi engine and 4×4, 3. wrzlxmwc, qz2um, zanamxg, akad0, m0maz, uihi, 6wij, znq, iq9mc, tw,