What is the engine oil capacity for a Ford 4610 Diesel Tractor?

i have a 1988 4610su II same engine as 4610 theres a site tractor data that answers alot of questions about tractors all makes and models it says the engine oil cap for the 4610 is 7 quarts the orginal oil was a straight 30 wgt but 15w40 is also reccommended and is what most farmers ar now using due to better starting in cold weather hope this helps have a good day