Ashcroft
ARB
TJM
In that order
Ashcroft because it's a better design
ARB because the replacement seals are easily obtained
I wouldn't touch TJM in this country.
Doing some research and found ARB recommends 85w140, but couldn't find anything from Ashcroft.. I'll probably just stick with that.I've always run 75/90, but we're in different climates.