Nearly all rotary cutter gearboxes require SAE 80W-90 GL-5 gear oil — Bush Hog, King Kutter, Land Pride, Woods, Rhino and most import brands all specify 80W-90 GL-5. Top aftermarket picks: Lucas 80W-90 (~$15/qt), Valvoline 80W-90 Read more

Kubota ZD1211, ZD1021, and ZD331 blades cross-reference with Oregon, Stens, and Gator aftermarket brands at 30–50% savings vs OEM dealer pricing. The ZD1211 60″ deck uses three blades approximately 20-5/8″ long with a 5/8″ center Read more