what oil for cl 455 manual transmission?

[pro94lt1]

I'm wanting to change the oil in my transmission it's a Clark 455
From what the manual says it's Gl5 80w90. So just Gl5 gear oil? This is a synchronized tranny so I was wondering if it needed something added for that?

 

[kenh]

Gear oil, available from several sources.

 

[pro94lt1]

Thanks I drained and filled with 80 90w gl5 gear oil.

 

[solutionserafin]

Good oil model!!