Frontier GM11 Series Grooming Mowers

Frontier GM11 Series Grooming Mowers Product Photo
Feature Overview
Frontier GM11 Series Grooming Mowers
Maintain a clean and level look with efficient Grooming Mowers. Designed to give a smooth cut on lawns, sporting fields and golf courses.
  • 4 - 9 ft. (1.2 - 2.8 m) cutting widths
  • Single- or dual-belt drive
  • High blade speed for thorough cutting and uniform distribution
  • Cat. 1 iMatch compatible with kit
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Gearbox with spiral gears

Highly engineered and rugged for extra strengthHighly engineered and rugged for extra strength
Gearbox cutawayGearbox cutaway

The rugged gearbox on the GM20 Series Standard-Duty Grooming Mowers feature highly engineered spiral gears to dramatically reduce noise, increase endurance, and transfer more power to the cutting blades.

Standard chain shield for added safetyStandard chain shield for added safety

GM20 Series Grooming Mowers come standard with a safety chain shield.

Three blades per deckThree blades per deck

To meet specific mowing needs, choose from four blade types:

  • Standard
  • Mulching
  • High lift
  • Flat

iMatch quick-hitchiMatch quick-hitch

One of the greatest concerns for operators involves difficulty in attaching tractor implements. John Deere has addressed this issue with the iMatch quick-hitch sytem.


The iMatch quick-hitch provides easy hookup and a guaranteed fit for all Category 1 implements designed to meet the ASAE Category 1 Standard S278.6 for quick-attach hitches.


All implements require a set of bushings in order for the attachment to fit and work properly with the iMatch quick-hitch. One set of bushings comes with the iMatch quick-hitch. Additional bushings are available from a John Deere dealer.

Kit includes baffles, blades, and guard supportsKit 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.

Anti-scalping roller attaches to front of deckAnti-scalping roller attaches to front of deck

An anti-scalping roller kit can be ordered as an attachment for field conversion for FM and GM Series Grooming Mowers when it is not standard equipment. The roller is attached to the front of the cutting deck to help reduce scalping.


Each kit contains one roller.

Overall machine width 188 cm
74 in.
Cutting width 182.9 cm
72 in.
Cutting height 2.5-12.7 cm
1-5 in.
Operational 272.2 kg
600 lb
Shipping 306.6 kg
676 lb
Tractor requirements
PTO horsepower 14.9-37.3 kW
20-50 hp
PTO rpm 540 rpm
Category Category 1
Thickness 8 gauge
4.176 mm
0.1644 in.
Discharge Rear
Mower deck horsepower 37.3 kW
50 hp
Ratio 1:3.1
Quantity Three
Tip speed, average fpm 5,099.91 m/min
16,732 fpm
Spindles Quantity
Cast ironBearing
Shielded ball
Overlap 2.9 cm
1.125 in.
Dimensions 62.2x5.7 cm
24.5x2.25 in.
Composition Heat treated alloy steel
Caster wheels
Solid Size
25.4x8.1 cm
10x3.2 in.
27.94x10.16 cm
11x4 in.
Bearings Shielded roller
Type 5VX, polyester/cogged
Adjustment Slotted track
Machine 1 year
Gearbox 1 year
*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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