GM40

Grooming Mowers


Maintain a clean and level look with efficient Grooming Mowers. Designed to give a smooth cut on lawns, sporting fields, and golf courses.

  • Caster wheels follow ground contours and prevent scalping
  • Floating hitch for level cutting
  • High blade-tip speed
  • Rugged gearbox with cooling fins
  • iMatch and Quick Knect compatible from the factory

GM40 Grooming Mower FAQs

What is the John Deere GM40 grooming mower used for?

The GM40 Series grooming mower gives a smooth, level cut on lawns, sporting fields and golf courses. Four height-adjustable caster wheels follow ground contours to prevent scalping, and a floating hitch keeps the cut level.

What sizes does the John Deere GM40 Series come in, including the GM4072?

The GM40 cuts 60 in., the GM4060 cuts 72 in. and the GM4072 cuts 84 in. Overall widths are 61, 73 and 85 in., and cutting height adjusts from 1.5 to 5.0 in.

What tractor do I need for a John Deere GM4072 or GM40?

The GM40 needs 15 to 50 PTO hp, the GM4060 20 to 50 hp and the GM4072 25 to 50 hp, all at 540 rpm. The GM40 fits Category 1 and limited Category 1 hitches, the larger models use Category 1, and all are iMatch compatible from the factory.

What warranty comes with the John Deere GM40 Series grooming mower?

The GM40 Series carries a 1 year machine warranty, a 6 year gearbox warranty and a 3 year spindle warranty. The ductile iron spindles use triple ball bearings, and the gearbox is rated for up to 50 PTO hp.

What blade and deck options are there for the John Deere GM40?

Each deck has three blades, with high lift blades standard and low lift blades available. An anti-scalping front roller kit and a rear chain shield conversion kit can be added, and the belt shield comes off without tools for easy maintenance.

Where can I buy genuine parts for my John Deere GM40 Series grooming mower?

Koenig Equipment stocks genuine John Deere parts for the GM40 Series grooming mower, and our parts teams across Ohio and Indiana can find what you need for your machine. Choose same-day delivery from a nearby Koenig store or pick up in store. Our trained technicians can also help with belt and spindle service.

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