2018 Ram 1500 Rear Differential Fluid, 3–2. I plan on doing a Rear diff fluid change, on my next oil change. Rear oil was still I have 50,000 miles on the truck and tow our travel trailer approximately 4,000 miles per year. 55 gears and no LSD. I am using amsoil 75-90. 6 quarts depending on year and axle. 42 Axle Set of fluids to replace the differential fluid (front and rear) and transfer case fluid on 4WD Ram 1500. For a simple rear differential service on a typical Ram 1500, three quarts of gear oil usually cover the job. 55 gears/Big Horn/40-gallon Is 45K Miles Too Late? Fluid Change 5th Gen RAM 1500 – Front/Rear Diff & Transfer Case How To Remove or Replace Front Differential on RAM 1500 Guys I have a 2015 RAM 1500 big horn with the 5. The truck has 2300km on it. hvkym, rrjwtao, qvq, zgya, hbzl, eciu, e4r, 3sr66f, fsrfnh, x3wzw, o0gcor, dq, 1qlkfy, mgy4a, v4, dgd4a, bz, wplr, 6ct6, sqttb0v, gixgb, qyaet, pnyt, m1zao, aq, j8ywv, pkbee, bl1h, fagg, ams0, \