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Commercial 21 S-Series

Discover the advantages of the lightweight and powerful Commercial 21 S-Series walk-behind mower. Featuring a 1.8-liter fuel tank and powered by a Kawasaki engine, the S-Series is one of the industry’s easiest self-propelled mowers to own, operate, ad maintain. Enjoy the benefits of variable speeds from 0 to 4.2 mph and our patented height adjustment system, which provide landscape pros with precise cuts and ultimate performance.

21"

Mower Deck Width

3,300 rpm

Engine Speed

1

Blades

Key Specifications

Drive Tires 9.0" x 2.4", semi-pneumatic.
Safety Package Zone start
UPC 193308002576
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.
Multi-Purpose Blade Our innovative blade design makes it easy to go from mulching to bagging grass clippings. And vice versa.
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.
Variable-Speed Transmission Just engage and go, at infinitely variable speeds up to 4.2 mph. Its simple operation makes the S-Series a great mower for training new employees.
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

Performance

Deck Style Fixed Deck
Deck Style Description Fixed deck, Rear-discharge bagger standard with option to mulch.
Width / Cutting Deck 21"
Deck Construction 5" deep, 1/4"-thick die-cast aluminum.
Cutting Heights 1.0" (2.5 cm) to 4.5" (11.4 cm) in 0.5" (1.3 cm) increments
Blade Tip Speed Approximately 18,500 fpm.
Bag Capacity 2.5 bushels (20 gallons).
Blades 1 Blade at 20.5" Length

Engine

Engine Model FJ180V
Engine Brand Kawasaki
Engine Series FJ
Engine Speed 3,300 rpm
Air Filter Dual element air cleaner
Drive Description Self-propelled; rear-wheel gear-driven.
Speed 0.0 mph to 4.2 mph (6.8 kmph) forward.
Fuel Capacity 2 quart (1.8-L) integral fuel tank
Fuel System Carbureted
Engine Displacement 179
Drive Belt-Drive
Fuel Indicator None
Carb Compliant No
Fuel Type Gas Carbureted
Engine Spec BM11

Dimensions

Width 22 in. (55.9 cm)
Length 63 in. (160.0 cm)
Height 38 in. (96.5 cm)
Curb Weight 112

Commercial 21 S-Series

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