Exmark Radius S-Series 52

If your property deserves a clean, consistent cut without spending half the day doing it, the Exmark Radius S-Series is worth a serious look. The 52" UltraCut Series 3 deck paired with a 23 HP Kawasaki FR691 engine covers 3–5 acres per hour at up to 9 MPH — real productivity for acreage owners who've got better things to do than watch the hours tick by.

The UltraCut Series 3 deck uses Exmark's flow-control baffles to manage airflow across the full cutting width. The result is more even clipping dispersal and a cleaner finish — the kind of cut that doesn't need a second pass. Cutting height adjusts from 1.5" to 5.0", giving you flexibility whether you're keeping a tidy lawn or managing rougher grass conditions. The 7-gallon fuel tank keeps you running longer between stops — a welcome feature when you're pushing through acreage.

Exmark designed the Radius S-Series with serviceability in mind. The HydroGear hydrostatic transmission is low-maintenance by design, and the sealed, non-greaseable blade spindles eliminate one more routine chore. With only two annual grease points on the whole machine, you spend less time with a grease gun and more time actually mowing. The unibody welded steel frame (1.5" x 3" tubular) is built to absorb the daily demands of regular use without rattling apart over time.

The deluxe bolstered suspension seat with 3" of travel and flip-up armrests is a genuine upgrade from basic fixed seating. If you've ever climbed off a mower after a long session feeling like you fought the machine as much as the lawn, you'll understand why this matters. Hydraulically dampened twin steering levers are adjustable fore and aft, so operators of different builds can dial in a comfortable position rather than contorting themselves for two hours.

Ideal For:

• Acreage owners with 3–5 acres to mow per session
• Properties where cut quality and clean finish matter
• Operators who want professional results without professional complexity
• Anyone upgrading from an undersized mower that's been fighting their property

Key Specifications:

• Engine: 23 HP Kawasaki FR691
• Cutting width: 52" UltraCut Series 3 deck
• Cutting height range: 1.5"–5.0"
• Ground speed: Up to 9 MPH
• Acres per hour: 3.77
• Fuel capacity: 7 gallons
• Drive: HydroGear hydrostatic
• Frame: Welded unibody, 1.5" x 3" tubular steel
• Seat: Deluxe bolstered suspension seat with 3" travel, flip-up armrests
• Warranty: 4-year / 500-hour commercial limited warranty