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Re: the right oil Ford F550 turbo diesel
Posted to Technical Discussion Forum on 10/31/2015

I would use the Motorcraft oil and filters. 10W-30 diesel oil would be fine.

This engine has an oil life monitor, I wouldn't get too excited about short servicing it.

I'd be more concerned with maintaining the coolant quality, (both systems). You'll be pro... Login to read more.