John deer corn head grease is a thixotropic grease. It will reduced viscosity when subjected to shear stress or agitation, such as that within a corn head gearbox, and then thickens again to its original consistency when at rest. How much shear stress or agitation do you have in a steering gear box? Very little if any. It’s better to use a NLGI #00 grease. It will penetrate the steering shaft and the balls within the nut and the bearings a lot better than the John dear grease.
If you have a worn Pitman shaft seal, replace it.
Jim and Bill, your explanation(s) make sense. Why then, is John Deere Corn Head grease the nearly universally recommended product on this forum? Which of the two (#0 or #00) is closer to the original grease installed in the 1950s.
Is there a negative result from using the #0 JD grease? Is there a noticeable difference in performance between the two while driving?
