John Deere GM20 Series Rear Discharge Grooming Mowers

Grooming Mowers
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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
iMatch quick-hitch

iMatch quick-hitch

The GM10, GM10E, and GM20 Grooming Mowers are only compatible with iMatch using a kit (code 9630).

Highly engineered and rugged for extra strength

Highly engineered and rugged for extra strength

Gearbox cutaway

Gearbox 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.

Three blades per deck

Three blades per deck

#

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

  • Low lift
  • High lift (standard)
Anti-scalping roller attaches to front of deck

Anti-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.

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.

Standard chain shield for added safety

Standard chain shield for added safety

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

Select a category to view specifications (or view all).

Caster Wheels

SolidSize 25.4x8.1 cm 10x3.2 in. 27.94x10.16 cm 11x4 in. Yes

Features

  • Working Width: 60 in. (152.4 cm)

Description

iMatch™ quick-hitch conversion kits for grooming mowers

iMatch quick-hitch

iMatch quick-hitch

The GM10, GM10E, and GM20 Grooming Mowers are only compatible with iMatch using a kit (code 9630).

Gearbox with spiral gears

Highly engineered and rugged for extra strength

Highly engineered and rugged for extra strength

Gearbox cutaway

Gearbox 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.

Choose from various cutting blades

Three blades per deck

Three blades per deck

#

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

  • Low lift
  • High lift (standard)

Anti-scalping roller conversion kits for GM10E, GM11, and GM20 Series Grooming Mowers

Anti-scalping roller attaches to front of deck

Anti-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.

Mulching kits for grooming mowers

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.

Safety chain shield

Standard chain shield for added safety

Standard chain shield for added safety

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

Specifications

Caster Wheels

SolidSize 25.4x8.1 cm 10x3.2 in. 27.94x10.16 cm 11x4 in. Yes

Features

  • Working Width: 60 in. (152.4 cm)