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Z400 Series

KommanderPRO – Z411KW-48 / Z421KW-54 / Z421KWT-60
The Z400 Series of zero-turn mowers delivers all that and more, including powerful engines matched with rugged transmissions, smooth operation levers, and, of course, Kubota's reputation for outstanding quality and durability. It's everything you want in a zero-turn mower.


Performance and Easy Operation

The Z400 Series boasts the kind of performance found only in commercial grade mowers, as well as the easy operation that residential and professional users alike can appreciate. Featuring:

  • Powerful KAWASAKI engines
  • Kubota exclusive Hydro-Gear® Commercial ZT3600® transmission
  • 10 mph travel speed
  • Precision adjustment – 1/4" increment cutting height adjustment with the simple twist of a dial
  • Patented K-Lift pedal lets you quickly and easily adjust the cutting height without leaving your seat
  • Low profile tires for better traction and less turf damage


Kawasaki Engines

Wide Pneumatic Casters

Easy under seat access

Foldable ROPS for easy Transport

Fabricated Mower Deck (48", 54", 60")

The Z400-Series are equipped with a 48", 54", or 60" mower deck. Within their 5-inch-deep welded structure, these mower decks provide a generous internal deck volume that contributes to enhancing both mowing performance and clipping discharge performance. Whether long, wet, or thick, grass is powerfully raised for efficient mowing. A reinforced spindle mount area improves durability.

Cup Holder & Storage

Easy to Reach Operator Controls

Large Open Operator Platform

Tool-less Air Cleaner Access

Wide Low Profile Rear Tires

Comfort and Convenience

Features to keep you feeling fresh and working longer:

  • 12-volt power outlet to charge your phone and other accessories
  • Adjustable, high back seat
  • Storage box
  • Cup holder
  • Wide foot pan for plenty of leg room and easy entry/exit
  • The operation load of the dual operation levers can be adjusted to each operator's needs
  • Ergonomic control layout


Operator Controlled Discharge Chute

The discharge chute cover over the grass clippings outlet can be opened and closed with a single lever, letting you temporarily shut the outlet to avoid sending clippings into flowerbeds or roads.

Mulching Kit

With the optional mulching kit, clippings are finely cut for an outstanding mulching performance.

Grass Catcher Kit

Having a generous 7-bushel (250L) capacity, the optional grass catcher reduces the number of stops required to discharge clippings. As a result, overall operational efficiency is enhanced.


Maintenance Lift

Light Kit


Z400-specs Download Specs