Why is there oil in my radiator in my 6030 john deera tractor

Quote:

---

Originally Posted by Bruce Rawl

Why is there oil in my radiator in my 6030 john deera tractor

---

Could be a cracked head, or head gasket blown. Since the oil pressure is higher than the water pressure, the oil can be forced into the water "jackets" and circulated back into the radiator.