What kind of oil does a 6620 combine transmission take?

Answer 1

The JOHN DEERe 6620 combine typically requires a high-quality universal tractor transmission oil, such as John Deere Hy-Gard or equivalent. It's essential to check the owner's manual for the specific grade and viscosity recommended for your operating conditions. Generally, an oil with a viscosity of 10W-30 or 10W-40 is commonly used. Always ensure that the oil meets the manufacturer's specifications to maintain optimal performance and longevity.