Kohler 7000 Series 26 HP Engine
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The Bad Boy ZT Avenger 54″ delivers unbeatable value for residential homeowners who want commercial-grade strength without the commercial price tag. Built with the same legendary durability found across the Bad Boy lineup, the ZT Avenger combines heavy-duty construction, reliable Hydro-Gear performance, and proven Kohler power into one of the best values in its class.
Designed to outperform typical residential zero-turn mowers, the ZT Avenger gives you the confidence to mow faster, smoother, and longer—without sacrificing quality. Step onto the deck and you’ll immediately feel the difference.
Dual Hydro-Gear ZT-2800 Integrated Drive Systems provide smooth, responsive control and dependable power delivery. Paired with a 26 HP Kohler 7000 Series engine and a rugged 54″ cutting deck, the ZT Avenger offers outstanding cutting performance, traction, and reliability for demanding residential use.
Bad Boy doesn’t cut corners—and it shows.
54″ Heavy-Duty Deck
7-Gauge steel deck
3/16″ deck surface with ¼″ reinforced side plates
Fully Welded Frame
11-Gauge 2″ x 2″ unitized steel frame for long-term durability
Hydro-Gear ZT-2800 Drive System
10cc pumps with 16ci wheel motors for reliable, efficient performance
Ogura PTO Clutch Brake
Adjustable clutch with 100 ft-lbs of torque for smooth blade engagement
26 HP Kohler 7000 Series Engine
Proven power, reliability, and easy starting
6.5-Gallon Fuel Capacity
Longer run time with fewer fill-ups
Rear Tires
20″ x 12″-10 for excellent traction and stability
Commercial-inspired build at a residential price
Built in the USA with legendary Bad Boy toughness
Excellent value compared to competitors in the same class
Ideal for homeowners who want durability, power, and long service life