Lubricants

Engine	Gearbox/Trunnions	Differential	Grease
Castrol Engine Oil - check LINKs for further details	Castrol EP80/90 Gearbox, diff and trunnions(you might want Castrol Hypoy for trunions) (GL4 specification1)	Castrol EP80/90 Gearbox, diff and trunnions(you might want Castrol Hypoy for trunions) (GL4 specification)	Castrol LM Grease(substitutes "multi purpose")

Footnotes

1. API (American Petroleum Institute Classification) GL-4 (Gear Lubricant-4) contains about half the additives of GL-5. Higher concentration of Extreme Pressure additives in GL-5 gear oils may cause the softer metals, such as copper, brass and bronze – which make up the shift synchronizers of a manual transmission - to suffer premature wear / failure. So, stick with the specified GL-4 classification, in any of your favorite synthetic brands Allpar