[Oak]

Originally Posted by darkminion_17

"Master of Oak" 3000 series guru.
I guess you have this manual Oh mighty Oak?

https://drive.google.com/file/d/1WEq...ew?usp=sharing

I do now Mr. Lew.

OP...here is a link to the parts manual.
http://www.mymowerparts.com/pdf/Cub-...s/Series-3000/

Yep, that little pedal on the left side is the differential lock.