"The stiffness of the grease tells you how well it stays in the joint," says Granger. "For off-highway [applications], you probably want to stay with a NLGI #2." An exception would be when working ...

Corn head grease is National Lubricating Grease Institute (NLGI) Grade 0 grease. Standard multi-purpose agricultural grease used to lubricate bearings is NLGI Grade 2. Grade 0 corn head grease is ...