2025 John Deere GM21 Series GM2109R

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.

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.

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.

Each kit contains one roller.

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.