Walk-Behind Aerator
Walk-Behind Aerator

One powerful, feature-packed commercial-grade machine.

When it comes to walk-behind aerators, Exmark® is way ahead of the competition. Our 21-inch, transaxle-drive S-Series aerator is incredibly easy to use, thanks to straightforward controls for intuitive operation. Reaching speeds up to 4 mph, it’s capable of aerating nearly an acre per hour.

Model Specs for Walk-Behind Aerator
Width/Cutting Deck: 21"
Rear Tires: 10 x 2.75-5.5 Solid
Front Tires: 11 x 4.0-4 Turf TL
Drive: #40 Chain
Number of Tines: 36 coring tines
Core Depth: 2" to 3"
Plugs/Square Foot: 4.6
Power Components
Engine: Kawasaki® FJ180
Fuel Type: Gas
Fuel Capacity: 1 gal
Transmission: Hydro-Gear T2
Speed: 4.0 mph
Width: 31"
Length: 52"
Height: 61"
Curb Weight: 350 lbs
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  • Walk-Behind Aerator
  • Walk-Behind Aerator
Outstanding Features

Forward & Reverse Operation
Forward & Reverse Operation
Aerate in both forward and reverse.


The Key To Quality Aeration
The Key To Quality Aeration
If it’s worth doing, it’s worth doing well. That’s why our models feature durable, heavy-duty, self-cleaning tines and pull 4.6 quality plugs per square foot.


This aerator features a rugged Kawasaki engine with infinitely variable drive speed and powered reverse for productivity and maneuverability.