Bobcat ZS4000 48" | Kawasaki FX651V | 20.5 HP | 961 lb Machine Weight

Main Equipment & Machine Description

The Bobcat ZS4000 48" Stand-On Mower is built for commercial landscapers, lawn care professionals, municipalities, schools, parks, estate maintenance crews, property managers, acreage owners, and grounds maintenance teams that need compact stand-on mower productivity with professional cut quality.

This 48-inch stand-on mower is a strong fit for operators who need a commercial mower that can handle daily mowing routes, tighter properties, landscaped areas, gated access, sidewalks, curbs, trees, beds, retaining walls, and properties where a larger deck may be harder to maneuver. The stand-on platform gives the operator excellent visibility to the deck, trimming edge, front casters, turf, obstacles, and mowing path while keeping the machine compact and responsive.

Key Machine Specs & Buyer Benefits

• Make: Bobcat
• Model: ZS4000
• Deck Size: 48"
• Machine Type: Zero-turn stand-on mower
• Mower Deck: AirFX Cutting System
• Engine Model: Kawasaki FX651V
• Horsepower: 20.5 hp
• Engine Displacement: 726 cc
• Engine Type: Commercial V-twin gasoline engine
• Transmission Type: HG ZT-3400 hydrostatic transaxles
• Machine Weight: 961 lb
• Fuel Tank Capacity: 6.5 gal
• Cutting Height Range: 1.5"–4.5"
• Mower Blade Tip Speed: 17,800 ft/min
• Forward Travel Speed: 10.5 mph
• Reverse Travel Speed: 3.5 mph
• Clutch: 200 ft-lb
• Charging System: 15 amp
• Drive Wheel Size: 23 x 8.5-12
• Front Caster Wheel Size: 13 x 6.5-6
• Operator Platform: Stand-on platform with tethered, removable operator pad
• Operator Comfort: Foam-filled rider pad and shock-absorbing platform
• Key Applications: Commercial mowing, lawn care routes, municipal grounds, schools, parks, estate maintenance, property management, tight-access properties, landscaped areas, and mid-size turf applications
• Warranty, Parts & Service: Bobcat mower warranty support when applicable, plus blades, belts, filters, parts, maintenance, and dealer-level service through Logger Shop & Construction Equipment, a Superior Equipment Solutions Company

The ZS4000 48" is designed for mowing crews that want commercial stand-on productivity in a more compact deck size. The 48" AirFX deck gives operators a professional cutting system while improving maneuverability in tighter mowing areas compared with wider-deck machines. This makes it especially useful for residential routes, commercial properties with tight layouts, municipal sites, schools, parks, HOA properties, sidewalks, and landscaped accounts.

The AirFX Cutting System is one of the strongest features of the ZS4000 platform. Bobcat describes the AirFX deck as a deep-deck design built from heavy-duty, dual-layer 10-gauge steel with patented bolt-on Air Gap baffles that generate strong airflow for elite cut quality. The 48" deck gives operators a balance of cut quality, compact handling, and professional mowing productivity.

Power comes from the Kawasaki FX651V engine rated at 20.5 hp. This commercial V-twin engine is built for mowing applications that require reliable power, smooth operation, and dependable performance through long workdays. Paired with the HG ZT-3400 hydrostatic transaxles, the ZS4000 48" provides smooth zero-turn control, responsive ground drive, and the maneuverability needed for professional mowing routes.

The stand-on design gives operators better visibility than many sit-down mower layouts, especially when trimming around beds, trees, curbs, sidewalks, fences, and other obstacles. It also allows the operator to step on and off more easily when opening gates, moving debris, checking turf conditions, or navigating customer properties.

Operator comfort matters on long mowing days, and the ZS4000 is designed to help reduce fatigue while maintaining control. The foam-filled rider pad, shock-absorbing platform, ergonomic controls, tool-free on-the-fly tracking adjustments, low center of gravity, and compact stand-on design help operators stay productive across changing turf and property conditions.

For buyers comparing commercial stand-on mowers, the Bobcat ZS4000 48" offers a strong combination of Kawasaki engine power, AirFX cut quality, Hydro-Gear drive performance, compact maneuverability, commercial stand-on visibility, fast ground speed, and dealer-backed parts and service.

Logger Shop & Construction Equipment, a Superior Equipment Solutions Company, supports customers with mower sales, parts, service, blade replacement, belt replacement, filter support, maintenance, warranty assistance when applicable, and dealer-level support before and after the sale.