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GM20


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



View Product Brochure



Features



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.

Specifications


Compare the specifications of up to 4 models

Dimensions gm20
Current Model
Overall machine width188 cm
74 in.
Cutting width182.9 cm
72 in.
Cutting height2.5-12.7 cm
1-5 in.
Weight
Operational272.2 kg
600 lb
Shipping306.6 kg
676 lb
Tractor requirements
PTO horsepower14.9-37.3 kW
20-50 hp
PTO rpm540 rpm
Hitch
CategoryCategory 1
iMatch™ compatible
Deck
Thickness8 gauge
4.176 mm
0.1644 in.
DischargeRear
Gearbox
Mower deck horsepower37.3 kW
50 hp
Ratio1:3.1
Blade
QuantityThree
Tip speed, average fpm5,099.91 m/min
16,732 fpm
SpindlesQuantity
ThreeComposition
Cast ironBearing
Shielded ball
Overlap2.9 cm
1.125 in.
Dimensions62.2x5.7 cm
24.5x2.25 in.
CompositionHeat treated alloy steel
Caster wheels
QuantityFour
SolidSize
25.4x8.1 cm
10x3.2 in.
27.94x10.16 cm
11x4 in.
Yes
Pnuematic
BearingsShielded roller
Belts
Type5VX, polyester/cogged
QuantityTwo
AdjustmentSlotted track
Set-up time
Warranty
Machine1 year
Gearbox1 year

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