2026 John Deere Ag GM2109R 

2026 John Deere Ag GM2109R

Grooming Mowers

Economy, standard-duty, medium-duty or flex-wing mowers that fit your job and budget. Reinforced steel decks stand up to rugged terrain, and gearboxes are engineered for long life and quiet operation.

Compare Frontier Grooming Mowers

Frontier Grooming Mowers deliver a smooth cut for lawns, sports fields, and golf courses.

• 4 to 9 ft. (121.9 to about 279.4 cm) cutting widths
• Single- or dual-belt drive
• High blade speed for thorough cutting and uniform distribution
• Category 1 iMatch™ compatible with optional kit
• Rear discharge

Compare Frontier Flex-Wing Grooming Mowers

Go with the Flex-Wing Grooming Mowers for a quality cut over uneven fields. They feature wide working widths to make quick work at sod farms, golf courses, and parks.

• 12 to 17 ft. (3.7 – 5.2 m) cutting widths
• Rear Chain Shield
• Transport light bar (optional on FM40)
• Hydraulic wing latch release (optional)

Features may include:

Rugged gearbox with cooling fins

The GM11 and GM21 Series Medium-Duty Grooming Mowers come with a 37.3-kW (50-hp) rugged gearbox. Cooling fins help extend the life of the gearbox.

Quick and easy height adjustments

The GM21 Series Medium-Duty Grooming Mowers' stamped wheel yokes with air tires have spacers for quick and easy height adjustment.

Quality cut with high blade-tip speed

The high blade-tip speed and precise blade overlap work together to ensure exceptional strength, performance, and a quality cut when using the Frontier™ grooming mowers.

Deck design increases productivity

The GM11 and GM21 Series Medium-Duty Grooming Mowers have a rounded, front-tapered rear deck design that allows for close mowing along trees, fences, buildings, and other obstacles.