Frontier FM21 Series

Frontier FM21 Series Product Photo
Feature Overview
Frontier FM21 Series
DEBUG Ind: Agriculture, Cat: Implements, SubCat: Grooming Mowers, SubSubCat:
  • Cutting widths: 3.7 m (12 ft), 4.6 m (15 ft), 5.2 m (17 ft), and 6 m (20 ft)
  • Cutting heights range from 2.5 cm (1 in.) to 12.7 cm (5 in.)
  • Extra-heavy-duty transport frame
  • 8-gauge, 4.18-mm (0.164-in.) reinforced mower decks
  • Single-unit gearboxes with cooling fins

Anti-scalping rollers

Mounted to front of mower Mounted to front of mower

Anti-scalping rollers are mounted to the front of each cutting deck on the FM20 and FM21 Series Flex-Wing Grooming Mowers.

Creates a clean, even finish Creates a clean, even finish

The FM20 and FM21 Series Flex-Wing Grooming Mowers have completely independent free-floating mowing decks that provide a perfect cut on uneven terrain.

Gearbox enhances overall mower performance Gearbox enhances overall mower performance

The rugged gearbox on the FM Series Flex-Wing Grooming Mowers features spiral gears to dramatically reduce noise, increase endurance, and transfer more power to the blades.

Ideal for use on golf courses and sport fields Ideal for use on golf courses and sport fields

The pneumatic tires on the FM20 and FM21 Series Flex-Wing Grooming Mowers put less pressure on the ground, making them ideal for use on golf courses and sport fields.

Adjust to the cutting width of choice Adjust to the cutting width of choice

The telescoping wings on the FM20 and FM21 Series Flex-Wing Grooming Mowers allow for adjustable cutting widths to increase or decrease mower overlap for slope applications.

Latch automatically engages Latch automatically engages
Transport position Transport position

For added safety, the transport latching mechanism on the FM Series Flex-Wing Grooming Mower automatically engages when the decks are raised into the transport position.

Drawing from operator manual Drawing from operator manual

The optional floating hitch is for undulating terrain, providing increased flexibility and mowing results.

Kit includes baffles, blades, and guard supports Kit includes baffles, blades, and guard supports

A mulching kit is available as an attachment for field conversion. The mulching kit includes unique mulching blades, baffles, and guard supports to produce smaller clippings, which decompose faster than clippings that haven't been mulched.


Operators should follow the one-third rule for cutting height when mulching in grass.


This mulching kit also does an excellent job when mulching leaves.

Replaces standard rope disengagement Replaces standard rope disengagement

The hydraulic unlock system field conversion kit is available for FM20 and FM21 Series Flex-Wing Grooming Mowers.


This conversion kit allows the operator to unlock the wings from the tractor seat with the convenience of a hydraulic lever. It replaces the standard rope disengagement that comes with the flex-wing mower.


The hydraulic unlock system requires one additional selective control valve (SCV) (two total) and is ideal for lawn services that fold and unfold the unit to go from job to job.

*Manufacturer's suggested price. MSRP may be different in California. Taxes, freight, setup, and delivery not included. Optional accessories and attachments not included. Equipment, models and prices may vary by dealer. Product options and accessories may not be available in all regions. The engine horsepower and torque information are provided by the engine manufacturer to be used for comparison purposes only. Actual operating horsepower and torque will be less. Refer to the engine manufacturer’s website for additional information. Offers valid in the United States. Prices in U.S. dollars.

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