How much oil and what type is in Massey Ferguson 175 diesel tractor?

6 service designations which are current: CJ-4, CI-4, CH-4, CG-4, CF-2, and CF. All others are obsolete. these are api designations that are listed on the oil container. You can run regular motor oil but the diesel api is best. Castrol GTX I feel is the best out there but Kendall GT-1 original oil was available that is what I would go with. 8.6 qts is the capacity. Tractordata.com is a great info source. Rj