Kawasaki FR691 23 HP Engine
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The Bad Boy ZT Avenger 54″ Zero-Turn Mower with Kawasaki FR691 engine is designed for residential homeowners who want commercial-grade toughness, smooth control, and outstanding value. Built with the same rugged construction found across the Bad Boy lineup, the ZT Avenger delivers dependable performance and long-term durability at a price that stands out in its class.
One step onto the deck tells you everything you need to know—this mower is built to last.
Powered by a 23 HP Kawasaki FR691 V-twin engine, the ZT Avenger provides smooth, reliable power with excellent longevity. Dual Hydro-Gear ZT-2800 integrated drive systems deliver responsive handling, consistent performance, and dependable power transfer, making this mower ideal for medium to large residential properties.
The 54″ cutting deck offers an excellent balance of maneuverability and cutting efficiency, perfect for navigating around landscaping while still covering ground quickly.
Bad Boy mowers are known for strength, and the ZT Avenger is no exception.
54″ Heavy-Duty Cutting Deck
7-gauge deck construction
3/16″ deck surface with ¼″ reinforced side plates
Fully Welded Steel Frame
11-gauge 2″ x 2″ unitized steel frame built to last
Hydro-Gear ZT-2800 Drive System
10cc pumps with 16ci wheel motors for smooth, efficient performance
Ogura PTO Clutch Brake
Adjustable clutch with 100 ft-lbs of torque for smooth blade engagement
Kawasaki FR691 Engine
23 HP V-twin engine known for reliability and long service life
6.5-Gallon Fuel Capacity
Longer run time with fewer refueling stops
Rear Tires
20″ x 12″-10 for excellent traction and stability
Proven Kawasaki power with residential reliability
Durable, commercial-inspired construction
Ideal deck size for efficiency and maneuverability
Built in the USA with legendary Bad Boy toughness