This chart shows how a fully synthetic 5W diesel engine oil like Mobil Delvac 1
™
LE 5W-30 still pours at -45˚C (-49˚F).
In other words, it's still able to circulate and protect your expensive engine parts from wear, even at cold start-ups.
0 -10 -20 -30 -40 -50
Ty p i c a l Po u r Po i n t , C ( l o w e r = b e t t e r )
M o b i l D e l va c 1 L E 5 W- 3 0
M i n e r a l 15 W- 4 0
