synthetic or 30w?

[John R]

My question is if I have been using 30 wt conventional oil for the last 2200 hrs can i go to rotella t6 without it leaking ---rings seals. Its on a 721d grasshopper.---thhoughts please and ty ---polly

Stick with what you've been using, it seems to be working great.

 

[polly]

Ty all for your comments.---polly

 

[treechipper48]

I run 20w50 conventional racing oil in my mowers the extra zinc helps out alot by prolonging the engine's life.