Z421 and Z422 zero turn when equipped with RCK54P-400Z mower. The ultimate in mower blades, Gator blades are uniquely design to recirculate grass clipping back into the cutting path for smaller grass clippings resulting in faster decomposition for a healthier lawn.. I have a Kubota Z421 (zero-turn) with a 60" deck. The deck model is RCK60P-400Z. I'm not happy with the performance of my Kubota blades and bagger. The guys at my Kubota dealer all upgraded their blades to Gator and really like the change.
Oregon 3PK G6 Gator Mulching Blades for 54" Kubota Kommander ZG125S Z125E ZG127S ZG2354 K5231-92340 K5617-97530 K5617-97590 K5639-92300 K5639-92332 K5617-34330. Try again! Details . Added to Cart.. They say the blades are a perfect fit with great performance and are perfect for their Kubota Z421 54" zero-turn mower. "Fit my kubota perfect.". Z421 zero turn when equipped with RCK54P-400Z mower. Z724 zero turn when equipped with RCK54P-724Z mower. ZD321 zero turn when equipped with RCKP-321Z mower up to serial number 30,000. B2320 compact tractor when equipped with RCK54-29B mowers.