eXmark Commercial 21 X-Series Walk-Behind Mower

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Commercial 21 X-Series Walk-Behind

Fuel up less and get more accomplished with the Exmark Commercial 21 X-Series walk-behind lawn mower. Equipped with a one-gallon fuel tank and a powerful Kawasaki engine, the X-Series self-propelled lawn mower is an efficient machine ready to tackle any commercial project. Looking for a versatile walk-behind mower with variable speeds between 0 to 4.2 mph, the X-Series is the perfect option.

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Commercial 21 X-Series Walk-Behind Mower

Get more work done and get it done right with Exmark commercial walk-behind lawn mowers. Time-tested durability and unparalleled cut-quality come standard on our S-Series and X-Series 21-inch self-propelled mowers.

Powered by a Kawasaki engine, every 21-inch deck width model is designed with our patented front-wheel height adjustment system. The straightforward design makes conventional pivot-style adjusters obsolete. There are zero grease points and less than half the parts of other walk-behind mowers in its class. That makes servicing our self-propelled mowers as easy as it gets. Then there’s the single-speed transmission, simplified bail system, single-point rear height adjustments, the innovative blade design that makes it easy to go from mulching to bagging. And both models provide variable speed, from 0 to 4.2 mph. The list goes on and on. Just like the mower.

Commercial 21 X-Series Features


The Exmark Signature Cut

The cutting deck is a full five inches deep, delivering a consistently great cut whether you’re bagging or mulching grass clippings.

Easy on off bag design

Easy On/Off Bag Design

The large, 2.5-bushel bag features a design that eliminates the need for levers and doors. The top fill feature enables the operator to quickly see how full the bag is during operation.

2012 Commercial 21 Front Wheel Adjust

Patented Front Height Adjustment

Innovative, simple and built to last, our patented front height adjustment eliminates the need for pivot-style adjusters. The single-point rear height adjustment allows the operator to quickly change the cutting height.


Bag Capacity

2.5 bushel capacity

Commercial21 Deck Wear

Wear Strips

The X-Series is equipped with wear strips for improved durability.