Petroleum, Oils, Lubricants, Additives, Chemicals
I have a 1943 Allis Chalmers model C and the manual calls for a sae 20W in the transmission and I was wondering if I could use a sae 20 instead ?
And could I use it for the gear box as well ?
I don't really know what to do here and I don't want to mess anything up , I bought it with my dad and...