I recently had my 2022 Sprinter 2500 4X4 rear-end worked on. Had an ARB locker installed and the shop used Lucas HD HP conventional 85W-140. This is also the gear oil that they recommended for a drain and refill after 500 mile break-in. Did that and now I'm planning on draining and refilling after another 1,000 miles just to clear out any left over break-in materials.
ARB has some recommendations for certain climate types and driving conditions. See attached pic. I spend most my time driving mixed mountain and desert terrain in Utah, Wyoming, Colorado and Arizona which doesn't really fit the ARB chart. HOT 110 F summers to cold below 0 F winter ice and snow. Probably 75% asphalt and 25% dusty dirt two-track dirt roads.
My van weighs 6,500 lbs empty and usually about 8,000 lbs loaded with gear and passengers.
Mercedes-Benz specs 235.8 75W-85 in stock differential.
Anyone have some insight/opinions on what gear oils work good with my setup? Gear oil change intervals? I am not apposed to seasonal fluid changes.
ARB has some recommendations for certain climate types and driving conditions. See attached pic. I spend most my time driving mixed mountain and desert terrain in Utah, Wyoming, Colorado and Arizona which doesn't really fit the ARB chart. HOT 110 F summers to cold below 0 F winter ice and snow. Probably 75% asphalt and 25% dusty dirt two-track dirt roads.
My van weighs 6,500 lbs empty and usually about 8,000 lbs loaded with gear and passengers.
Mercedes-Benz specs 235.8 75W-85 in stock differential.
Anyone have some insight/opinions on what gear oils work good with my setup? Gear oil change intervals? I am not apposed to seasonal fluid changes.