We have a Cummings On an 4000 in the RV. Changing the oil every 100hrs is recommended. It's really not difficult to access. Only a few items required a T30, #12 socket, a ratchet an oil drip pan & 1.6 quarts of 15w-40. Check Out
We have a Cummings On an 4000 in the RV. Changing the oil every 100hrs is recommended. It's really not difficult to access. Only a few items required a T30, #12 socket, a ratchet an oil drip pan & 1.6 quarts of 15w-40. Check Out
