Exmark Commercial 21 S-Series: A Walk-Behind Mower for the Lawn Care Professional

Riding and stander commercial mowers can’t get in every space, and most walk-behind mowers aren’t built for commercial duty. Fortunately, there’s a solution: the Exmark S-Series. This commercial walk behind is built to the same standards as their riding mowers. That means you get high-quality components that withstand heavy use combined with features that deliver superior cut quality.

Deck

The S-Series’ 21-inch deck is 5 inches deep and is made from ¼-inch thick die-cast aluminum. This height provides plenty of space in the mowing chamber to hold clippings as they’re chopped down to size for mulching. The high lift blade works for both mulching and bagging, The bag has a 2.5-bushel bag capacity, and its top design lets you check the fill level while you’re mowing.

The left and right wheels are connected, so there’s one height adjuster at the front of the mower, and a second at the rear. Cutting height can be set from 1 to 4.5 inches in half-inch increments.

Power is provided by a Kawasaki FJ180V. This single-cylinder, 179cc engine might be small, but it has all the features you expect in a commercial engine. This includes a cast-iron cylinder liner, dual-element air filter, and automatic compression release for easy starting.

Drive System

The S-Series rides on four 9 x 2.4-inch semi-pneumatic tires. These tires have enough flex and contact area to minimize scrubbing, and they don’t need to be aired up. The wheels use sealed bearings, so there are no grease points on this mower.

The back wheels are driven by a CVT. Speed is infinitely adjustable, with a top speed of 4.2 MPH. Turning this mower is no problem. Despite its size, it weighs just 112 lbs. That’s more than a residential mower but far less than most commercial walk-behind equipment.

Accessories

You can’t get turf rollers or lights on this mower like you can on larger mowers. However, Exmark does offer a few worthwhile upgrades. The deck wear kit adds shielding around the deck, much like you’ll find on a riding mower’s constructed deck. There’s also an engine guard that deflects objects at the front of the mower. That way, you can safely slide the front of the mower deck under bushes and other obstacles.

Need to regularly switch between bagging and mulching? The mulch plug slides in and out of the opening on the back of the deck. This lets you switch modes in a few seconds, instead of having to deal with the bolts that hold in the stock cover plate.

Warranty

Kawasaki covers the engine used in the S-Series with a 3-year commercial warranty. The rest of the mower is covered by Exmark for one year of commercial use.

We’re Your Lawn Mower Headquarters

Shank’s Lawn Equipment sells and services most major brands of lawn mowers, including Exmark, Scag, Cub Cadet, Troy-Bilt, Woods, Honda, and more. We’re also an authorized service center for all major small engine brands, including Kawasaki, so we can repair your equipment. Visit our shop at 4900 Molly Pitcher Highway in Chambersburg, PA, or see which models we have in stock at www.shankslawn.com. Need parts or accessories for your mower? We can ship what you need to any address in the U.S. or Canada.

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