Yes, I use it in my 300SD and 300SDL. Seems to work about same as normal 50% antifreeze.

The advantages are no pressure in the cooling system, no corrosion from water and high boiling point (375 F).

Disadvantages are slightly less heat transfer and cost. About $25 a gallon and since you don't dilute it, you use twice as much.

Works great in my Diesel Ford tractor. The radiator gets plugged with chaff and by the time the high temp light came on, the 50% mix was boiling. With the Evans coolant, it doesn't boil when the high temp indicator comes on. So I can stop and clean out the radiator screen without any boiling or losing any coolant.

P E H