John Deere GM20 Series Rear Discharge Grooming Mowers

studio image of Frontierâ„¢ GM20 grooming mower

Learn more about the features, specifications, and more for the GM20 Series Grooming Mowers Mowing Equipment. 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
Specs
Dimensions:
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
iMatchâ„¢ 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
Three
Composition
Cast iron
Bearing
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:
Labor hours
Warranty:
Machine1 year
Gearbox1 year
Additional information:
Date collected