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550Z Zero Turn Riding Mower

Professional-grade 550z zero turn riding mowers are easy-to-use for homeowners, but come packed with all of the enhanced features you'd expect from a commercial lawn mower. Welded, all-steel construction, HydroGear tranmissions and steel front axles give this 550 zero turn riding mower the rugged durability needed to take on demanding terrain and tough jobs. Powered by premium Briggs & Stratton Commercial Turf SeriesTM and Kawasaki®  FR730V engines, the 550Z mows grass in no time with a wide 61" deck and speeds up to 8 MPH.

Watch the 550Z Zero Turn Mower in action >> 

Product Ratings

  • Durable Hydro-Gear Transmissions

    Built for high-performance applications, the Hydro-Gear® ZT-3100 hydrostatic transmission deliver a smooth grass cutting experience while changing directions and speeds.

  • Fast Mowing

    Wide, heavy-duty fabricated 61" deck mows grass in no time with speeds up to 8 mph.

  • Simple Height-of-Cut

    Convenient deck-lift easily adjusts grass cut height from 1.5" to 4.5".

  • Service-Friendly

    Access to the top of the deck via removable panel for service-friendly mower maintenance.

  • High-Performance Briggs & Stratton Engine

    Built for harsh zero turn mowing conditions, the Briggs & Stratton Commercial Turf™ Series engine has what it takes to perform including an advanced debris management system and beefed up cylinder block.

  • Powerful Kawasaki Engine

    Built for power, the Kawasaki FR Series engine offers smooth power output and outstanding durability in a compact design.

  • Intuitive Controls

    Easy-to-use lawn mower controls including a fuel level indicator are all conveniently located within hands reach.

  • Strong Mower Frame

    Just because you don’t mow the lawn for a living doesn’t mean you can’t appreciate commercial mower quality from heavy-duty, welded construction and steel front axle to an all-steel, wrap-around engine enclosure.

MODEL 550z - 24/61 550Z - 25/61
SELECT MODEL Compare Compare
ENGINE
Engine Brand Kawasaki† Briggs & Stratton*
Model FR730V, OHV Commercial Turf Series, V-Twin, OHV
Gross HP 24 25
Cylinders 2 2
Choke/Throttle Separate Controls Separate Controls
Fuel Tank Capacity 5.5 gallons 5.5 gallons
Battery (cca) 12V-350cca 12V-350cca
TRANSMISSION
Type HydroGear® ZT-3100 HydroGear® ZT-3100
Forward Speed 0 - 8 0 - 8
Reverse Speed 0 - 4 0 - 4
Brakes Internal Internal
Chassis
Frame 11-Gauge Welded 11-Gauge Welded
Front Axle Steel Steel
Front Tires 13 x 5 13 x 5
Rear Tires 20 x 10 20 x 10
Seat 18" High-back, Adjustable 18" High-back, Adjustable
Mower
Cutting Width 61" 61"
Number of Blades 3 3
Height-of-Cut Positions 12 12
Height-of-Cut Range 1.5" - 4.5" 1.5" - 4.5"
Mower Deck Lift Mechanical, Foot Operated Mechanical, Foot Operated
Number of Anti-Scalping Wheels 2 Rear, 6 Front 2 Rear, 6 Front
Deck Type Fabricated Steel Fabricated Steel
Features
Cup Holder Yes Yes
Rear Bumper Included Included
Dimensions
Assembled Length 78 78
Assembled Width 72 72
Assembled Height 66 66
Price**
MAP (Minimum Advertised Price) $5199 $4999
Warranty***
Residential Use 3-year limited warranty 3-year limited warranty
Commercial Use 90-day limited warranty 90-day limited warranty

*This product DOES NOT meet California exhaust and evaporative emissions regulations for model year 2014..

*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.

**All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

***Suggested prices will vary by market. Prices in U.S. Dollars. Set-up, delivery, documentation, and destination fees not included. See dealer for details.

****See dealer for warranty details.

† All power levels are rated gross horsepower per SAE J2723 as rated by Kawasaki

Taxes, freight, and delivery not included. Prices may vary by dealer. Offers valid in United States. Prices in U.S. dollars. We reserve the right to change design, specifications and pricing without notice.

Triple Catcher

Collect lawn clippings and debris in three easy-to empty grass bags for 61" decks only.

Fast Vac Twin Collector

Quickly get yard work done by bagging leaves with our two-bag grass catcher

Turbo Collector

Easily attaches to lawn mower and gets power directly from the engine. The blower pushes lawn clippings and debris into a grass bagger for a cleaner cut.


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