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 zero turn mower. With welded, all-steel construction and Hydro-Gear® ZT-3100® transaxles, the 550 zero turn riding mower has the rugged durability needed to take on demanding terrain and tough jobs. Powered by a premium Briggs & Stratton Commercial Series or Kawasaki® FR730V engine, the 550Z mows grass in no time with a wide 52" or 61" mower deck and speeds up to 8 MPH.

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Product Details

Simple Height-of-Cut

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

Durable Hydro-Gear® Transaxles

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

Fast Mowing

Wide, heavy-duty 52” or 61” fabricated mower decks cuts grass in no time with speeds up to 8 mph. Not to mention, our fabricated mower decks are backed by a limited-lifetime warranty*.

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 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 hand's 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 the heavy-duty, welded construction and steel front axle to an all-steel, wrap-around engine enclosure.

*See operator's manual or dealer for complete warranty details. Length of engine warranty coverage varies by manufacturer.

Engine Brand Briggs & Stratton
Engine Model Commercial Series, V-Twin, OHV
HP (gross) * 25
Engine Displacement (cc) 724
Number of Cylinders 2
Choke/Throttle Separate Controls
Fuel Tank Capacity (gal) 5.5
Battery (cca) 300
Transmission Type Hydro-Gear® ZT-3100®
Ground Speed-Fwd (mph) 0-8
Ground Speed-Rev (mph) 0-4
Brake Internal
Frame 11-Gauge Welded
Front Axle Steel, Fixed
Front Tires (in) 13 x 5
Rear Tires (in) 20 x 10
Anti-Scalp Wheels 4 Front
Seat 18" High-back, Adjustable
Steering Twin-lever
Mower Deck Type Fabricated Steel
Cutting Width (in) 61
Number of Blades 3
Height-of-Cut (in) 1.5-4.5
Height-of-Cut Positions 12
Blade Engagement Electric
Deck Construction 10-Gauge, Frame Hung
Deck Suspension Frame Hung
Spindle Aluminum
Mower Deck Lift Mechanical, Foot Operated
Cargo Bed ** N/A
ROPS (Roll Over Protective Structure) Standard
Rear Bumper Standard
Hour Meter Standard
Cup Holder Standard
Fuel Level Indicator Standard
Armrest Optional Accessory
Assembled Length (in) 78
Assembled Width (in) 63
Assembled Height (in) 66
MAP (Minimum Advertised Price) ^ $4,999.00
Residential Warranty (Product) † 3-Years
Commercial Warranty (Product) † 90-Days
Fabricated Mower Deck Warranty † Lifetime
Operator's Manuals

*All power levels are stated gross horsepower at 3600 RPM per SAE J1940 as rated by Briggs & Stratton
*Only Kawasaki Critical Power engines listed in this brochure have been tested in accordance with SAE J1995, verified by TÜV Rheinland Group, horsepower-rated in accordance with SAE J2723, and certified by SAE International. Torque ratings of these engines were not certified by SAE. Actual power and torque output will vary depending on numerous factors, including, but not limited to, the operating speed of the engine in application, environmental conditions, maintenance, and other variables.
**50 lb. capacity, do not overload; do not carry passengers. Available on most models. See operator’s manual for details.
^Suggested prices will vary by market. Prices in U.S. dollars. Set-up, delivery, documentation, and destination fees not included. See dealer for details. Features vary by model. We reserve the right to change specifications, features and pricing without notice.
†See operator’s manual or dealer for complete warranty details. Length of engine warranty coverage varies by manufacturer.

Engine Brand Kawasaki
Engine Model FR730V, V-Twin OHV
HP (gross) * 24
Engine Displacement (cc) 726
Number of Cylinders 2
Choke/Throttle Separate Controls
Fuel Tank Capacity (gal) 5.5
Battery (cca) 300
Transmission Type Hydro-Gear® ZT-3100®
Ground Speed-Fwd (mph) 0-8
Ground Speed-Rev (mph) 0-4
Brake Internal
Frame 11-Gauge Welded
Front Axle Steel, Fixed
Front Tires (in) 13 x 5
Rear Tires (in) 20 x 10
Anti-Scalp Wheels 4 Front
Seat 18" High-back, Adjustable
Steering Twin-lever
Mower Deck Type Fabricated Steel
Cutting Width (in) 52
Number of Blades 3
Height-of-Cut (in) 1.5-4.5
Height-of-Cut Positions 12
Blade Engagement Electric
Deck Construction 10-Gauge, Frame Hung
Deck Suspension Frame Hung
Spindle Aluminum
Mower Deck Lift Mechanical, Foot Operated
Cargo Bed ** N/A
ROPS (Roll Over Protective Structure) Standard
Rear Bumper Standard
Hour Meter Standard
Cup Holder Standard
Fuel Level Indicator Standard
Armrest Optional Accessory
Assembled Length (in) 78
Assembled Width (in) 63
Assembled Height (in) 66
MAP (Minimum Advertised Price) ^ $5,099.00
Residential Warranty (Product) † 3-Years
Commercial Warranty (Product) † 90-Days
Fabricated Mower Deck Warranty † Lifetime
Operator's Manuals

*All power levels are stated gross horsepower at 3600 RPM per SAE J1940 as rated by Briggs & Stratton
*Only Kawasaki Critical Power engines listed in this brochure have been tested in accordance with SAE J1995, verified by TÜV Rheinland Group, horsepower-rated in accordance with SAE J2723, and certified by SAE International. Torque ratings of these engines were not certified by SAE. Actual power and torque output will vary depending on numerous factors, including, but not limited to, the operating speed of the engine in application, environmental conditions, maintenance, and other variables.
**50 lb. capacity, do not overload; do not carry passengers. Available on most models. See operator’s manual for details.
^Suggested prices will vary by market. Prices in U.S. dollars. Set-up, delivery, documentation, and destination fees not included. See dealer for details. Features vary by model. We reserve the right to change specifications, features and pricing without notice.
†See operator’s manual or dealer for complete warranty details. Length of engine warranty coverage varies by manufacturer.

Engine Brand Kawasaki
Engine Model FR730V, V-Twin OHV
HP (gross) * 24
Engine Displacement (cc) 726
Number of Cylinders 2
Choke/Throttle Separate Controls
Fuel Tank Capacity (gal) 5.5
Battery (cca) 300
Transmission Type Hydro-Gear® ZT-3100®
Ground Speed-Fwd (mph) 0-8
Ground Speed-Rev (mph) 0-4
Brake Internal
Frame 11-Gauge Welded
Front Axle Steel, Fixed
Front Tires (in) 13 x 5
Rear Tires (in) 20 x 10
Anti-Scalp Wheels 4 Front
Seat 18" High-back, Adjustable
Steering Twin-lever
Mower Deck Type Fabricated Steel
Cutting Width (in) 61
Number of Blades 3
Height-of-Cut (in) 1.5-4.5
Height-of-Cut Positions 12
Blade Engagement Electric
Deck Construction 10-Gauge, Frame Hung
Deck Suspension Frame Hung
Spindle Aluminum
Mower Deck Lift Mechanical
Cargo Bed ** N/A
ROPS (Roll Over Protective Structure) Standard
Rear Bumper Standard
Hour Meter Standard
Cup Holder Standard
Fuel Level Indicator Standard
Armrest Optional Accessory
Assembled Length (in) 78
Assembled Width (in) 63
Assembled Height (in) 66
MAP (Minimum Advertised Price) ^ $5,199.00
Residential Warranty (Product) † 3-Years
Commercial Warranty (Product) † 90-Days
Fabricated Mower Deck Warranty † Lifetime
Operator's Manuals

*All power levels are stated gross horsepower at 3600 RPM per SAE J1940 as rated by Briggs & Stratton
*Only Kawasaki Critical Power engines listed in this brochure have been tested in accordance with SAE J1995, verified by TÜV Rheinland Group, horsepower-rated in accordance with SAE J2723, and certified by SAE International. Torque ratings of these engines were not certified by SAE. Actual power and torque output will vary depending on numerous factors, including, but not limited to, the operating speed of the engine in application, environmental conditions, maintenance, and other variables.
**50 lb. capacity, do not overload; do not carry passengers. Available on most models. See operator’s manual for details.
^Suggested prices will vary by market. Prices in U.S. dollars. Set-up, delivery, documentation, and destination fees not included. See dealer for details. Features vary by model. We reserve the right to change specifications, features and pricing without notice.
†See operator’s manual or dealer for complete warranty details. Length of engine warranty coverage varies by manufacturer.

Engine Brand Briggs & Stratton
Engine Model Commercial Series, V-Twin OHV
HP (gross) * 25
Engine Displacement (cc) 724
Number of Cylinders 2
Choke/Throttle Separate Controls
Fuel Tank Capacity (gal) 5.5
Battery (cca) 300
Transmission Type Hydro-Gear® ZT-3100®
Ground Speed-Fwd (mph) 0-8
Ground Speed-Rev (mph) 0-4
Brake Internal
Frame 11-Gauge Welded
Front Axle Steel, Fixed
Front Tires (in) 13 x 5
Rear Tires (in) 20 x 10
Anti-Scalp Wheels 4 Front
Seat 18" High-back, Adjustable
Steering Twin-lever
Mower Deck Type Fabricated Steel
Cutting Width (in) 52
Number of Blades 3
Height-of-Cut (in) 1.5-4.5
Height-of-Cut Positions 12
Blade Engagement Electric
Deck Construction 10 Gauge, Frame Hung
Deck Suspension Frame Hung
Spindle Aluminum
Mower Deck Lift Mechanical, Foot Operated
Cargo Bed ** N/A
ROPS (Roll Over Protective Structure) Standard
Rear Bumper Standard
Hour Meter Standard
Cup Holder Standard
Armrest Optional Accessory
Assembled Length (in) 78
Assembled Width (in) 63
Assembled Height (in) 66
MAP (Minimum Advertised Price) ^ $4,899.00
Residential Warranty (Product) † 3-Years
Commercial Warranty (Product) † 90-Days
Fabricated Mower Deck Warranty † Lifetime
Operator's Manuals

*All power levels are stated gross horsepower at 3600 RPM per SAE J1940 as rated by Briggs & Stratton
*Only Kawasaki Critical Power engines listed in this brochure have been tested in accordance with SAE J1995, verified by TÜV Rheinland Group, horsepower-rated in accordance with SAE J2723, and certified by SAE International. Torque ratings of these engines were not certified by SAE. Actual power and torque output will vary depending on numerous factors, including, but not limited to, the operating speed of the engine in application, environmental conditions, maintenance, and other variables.
**50 lb. capacity, do not overload; do not carry passengers. Available on most models. See operator’s manual for details.
^Suggested prices will vary by market. Prices in U.S. dollars. Set-up, delivery, documentation, and destination fees not included. See dealer for details. Features vary by model. We reserve the right to change specifications, features and pricing without notice.
†See operator’s manual or dealer for complete warranty details. Length of engine warranty coverage varies by manufacturer.

TRIPLE GRASS CATCHER

Collect up to 10-bushels of clippings into three easy-to-empty grass bags.

TURBO BLOWER

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.

FLAT FREE CASTER TIRE ASSEMBLY

Replace the caster tires with this flat free caster assembly, and eliminate the possibility of a hassle and down time caused by a flat tire.

ZERO TURN HEADLIGHT KIT

Improve your visibility while cutting the grass during evening hours with the front headlight kit for your zero turn mower.

ARM REST KIT

Ride more comfortably with our easy-to-install arm rest kit for zero turn mowers.

Note: Attachments for prior year models and additional attachments or accessories not shown may be available.

Some attachments require additional installation components (i.e. front weights for a catcher). Please see dealer for details.