Have used synthetic in all my tractors and vehicles for the last few years since I could afford it. Never had a problem in thousands of miles and hundreds of hours.
Used dino SAE 30 CIH oil n my H for 20 hours or so of break-in and switched to Mobil Delvac 1 5w-40 after that. I was changing it once a year while I was in ND and using the tractor more. Now it's every other year as it just doesn't get used much without me there.
I run Mobil1 in my vehicles for a minimum of 5000 miles, usually make it to 7500 miles if we are putting enough highway miles on. The Accord will burn about half a pint in 6000 miles and the Caravan probably a pint in 6000 miles. It works for me...
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Today's Featured Article - Tractor Profile: Oliver 70 Row Crop - by Staff. The Oliver 70 was part of the "Fleetline Series" and was manufacturered from 1937 to 1948. The row-crop configuration could have either dual or single front wheels. The Oliver 70 was also offered in the standard, orchard and industrial configurations. The tractors were sold in Canada. An early advertisement states "Power when you want it - power when you need it - power to help put in crops when field conditions are right and time and help are limited. That's the power you'll find in an Oliv
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