John Deere GM4072E

Frontier Attachments & Accessories

Grooming Mowers

Starting at

Key Features

Working Width: 72 in. (182.9 cm)
Caster Wheels Follow Ground Contours
Floating Hitch for Level Cutting
High Blade-Tip Speed

Features

<div class="accordion-wrap"><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">High blade-tip speed</div><div class="accordion2_icon w-embed"><svg width="100%" height="100%" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M25.3333 15.667V16.3336C25.3333 16.7018 25.0349 17.0003 24.6667 17.0003H17V24.667C17 25.0351 16.7015 25.3336 16.3333 25.3336H15.6667C15.2985 25.3336 15 25.0351 15 24.667V17.0003H7.3333C6.96511 17.0003 6.66663 16.7018 6.66663 16.3336V15.667C6.66663 15.2988 6.96511 15.0003 7.3333 15.0003H15V7.33365C15 6.96546 15.2985 6.66699 15.6667 6.66699H16.3333C16.7015 6.66699 17 6.96546 17 7.33365V15.0003H24.6667C25.0349 15.0003 25.3333 15.2988 25.3333 15.667Z" fill="currentColor"></path></svg></div></div><div style="width: 1118px; height: 0px;" class="accordion2_bottom"><div class="margin-bottom margin-small"><div><p>High blade-tip speed and precise blade overlap work together to ensure exceptional strength, performance, and a quality cut.</p><img src="https://johndeere.widen.net/content/tpqdytdsw7/png/gm40e_quality_cut.png" alt="Bottom schematic view of a mower deck illustrating three blade housings, belt paths, and support wheels" loading="lazy"></div></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Caster wheels follow ground contours and prevent scalping</div><div class="accordion2_icon w-embed"><svg width="100%" height="100%" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M25.3333 15.667V16.3336C25.3333 16.7018 25.0349 17.0003 24.6667 17.0003H17V24.667C17 25.0351 16.7015 25.3336 16.3333 25.3336H15.6667C15.2985 25.3336 15 25.0351 15 24.667V17.0003H7.3333C6.96511 17.0003 6.66663 16.7018 6.66663 16.3336V15.667C6.66663 15.2988 6.96511 15.0003 7.3333 15.0003H15V7.33365C15 6.96546 15.2985 6.66699 15.6667 6.66699H16.3333C16.7015 6.66699 17 6.96546 17 7.33365V15.0003H24.6667C25.0349 15.0003 25.3333 15.2988 25.3333 15.667Z" fill="currentColor"></path></svg></div></div><div style="width: 1118px; height: 0px;" class="accordion2_bottom"><div class="margin-bottom margin-small"><div><p>By having four caster wheels, the GM40E Series Grooming Mower follows ground contours and prevents scalping. Heavy tubular caster wheel arms are bolted to rail supports for long life.</p><img src="https://johndeere.widen.net/content/aqsjpjkfqw/png/gm40e_castor_wheels.png" alt="Close‑up of the front caster wheels on a green grooming mower deck with adjustable height brackets" loading="lazy"></div></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Floating hitch for level cutting</div><div class="accordion2_icon w-embed"><svg width="100%" height="100%" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M25.3333 15.667V16.3336C25.3333 16.7018 25.0349 17.0003 24.6667 17.0003H17V24.667C17 25.0351 16.7015 25.3336 16.3333 25.3336H15.6667C15.2985 25.3336 15 25.0351 15 24.667V17.0003H7.3333C6.96511 17.0003 6.66663 16.7018 6.66663 16.3336V15.667C6.66663 15.2988 6.96511 15.0003 7.3333 15.0003H15V7.33365C15 6.96546 15.2985 6.66699 15.6667 6.66699H16.3333C16.7015 6.66699 17 6.96546 17 7.33365V15.0003H24.6667C25.0349 15.0003 25.3333 15.2988 25.3333 15.667Z" fill="currentColor"></path></svg></div></div><div style="width: 1118px; height: 0px;" class="accordion2_bottom"><div class="margin-bottom margin-small"><div><p>The floating top link on the GM40E Series keeps the deck tracking over ground contours for a level and smooth cut.</p><img src="https://johndeere.widen.net/content/d7bs71crdw/png/gm40e_smooth_level_finish.png" alt="Close‑up of a green grooming mower showing a PTO driveline, gearbox, and metal linkage components" loading="lazy"></div></div></div></div></div>

Specifications

<div class="accordion-wrap"><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Belts</div><div class="accordion2_icon w-embed"><svg width="100%" height="100%" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M25.3333 15.667V16.3336C25.3333 16.7018 25.0349 17.0003 24.6667 17.0003H17V24.667C17 25.0351 16.7015 25.3336 16.3333 25.3336H15.6667C15.2985 25.3336 15 25.0351 15 24.667V17.0003H7.3333C6.96511 17.0003 6.66663 16.7018 6.66663 16.3336V15.667C6.66663 15.2988 6.96511 15.0003 7.3333 15.0003H15V7.33365C15 6.96546 15.2985 6.66699 15.6667 6.66699H16.3333C16.7015 6.66699 17 6.96546 17 7.33365V15.0003H24.6667C25.0349 15.0003 25.3333 15.2988 25.3333 15.667Z" fill="currentColor"></path></svg></div></div><div style="width: 1118px; height: 0px;" class="accordion2_bottom"><div class="margin-bottom margin-small"><table class='custom-table-style'><tbody><tr><td><h5>Adjustment</h5></td><td><p>Spring loaded idler</p></td></tr><tr><td><h5>Quantity</h5></td><td><p>1</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Blade</div><div class="accordion2_icon w-embed"><svg width="100%" height="100%" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M25.3333 15.667V16.3336C25.3333 16.7018 25.0349 17.0003 24.6667 17.0003H17V24.667C17 25.0351 16.7015 25.3336 16.3333 25.3336H15.6667C15.2985 25.3336 15 25.0351 15 24.667V17.0003H7.3333C6.96511 17.0003 6.66663 16.7018 6.66663 16.3336V15.667C6.66663 15.2988 6.96511 15.0003 7.3333 15.0003H15V7.33365C15 6.96546 15.2985 6.66699 15.6667 6.66699H16.3333C16.7015 6.66699 17 6.96546 17 7.33365V15.0003H24.6667C25.0349 15.0003 25.3333 15.2988 25.3333 15.667Z" fill="currentColor"></path></svg></div></div><div style="width: 1118px; height: 0px;" class="accordion2_bottom"><div class="margin-bottom margin-small"><table class='custom-table-style'><tbody><tr><td><h5>Average Tip Speed</h5></td><td><p>18000 fpm</p></td></tr><tr><td><h5>Average Tip Speed</h5></td><td><p>5486.4 m/min</p></td></tr><tr><td><h5>Blade Quantity</h5></td><td><p>3</p></td></tr><tr><td><h5>Composition</h5></td><td><p>Heat treated alloy steel</p></td></tr><tr><td><h5>Dimensions</h5></td><td><p>0.25x2.5 in.</p></td></tr><tr><td><h5>Dimensions</h5></td><td><p>0.6x6.4 cm</p></td></tr><tr><td><h5>Overlap</h5></td><td><p>1.25 in.</p></td></tr><tr><td><h5>Overlap</h5></td><td><p>3.18 cm</p></td></tr><tr><td><h5>Spindles - Bearing</h5></td><td><p>Ball bearing</p></td></tr><tr><td><h5>Spindles - Composition</h5></td><td><p>Cast iron</p></td></tr><tr><td><h5>Spindles - Quantity</h5></td><td><p>3</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Caster Wheels</div><div class="accordion2_icon w-embed"><svg width="100%" height="100%" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M25.3333 15.667V16.3336C25.3333 16.7018 25.0349 17.0003 24.6667 17.0003H17V24.667C17 25.0351 16.7015 25.3336 16.3333 25.3336H15.6667C15.2985 25.3336 15 25.0351 15 24.667V17.0003H7.3333C6.96511 17.0003 6.66663 16.7018 6.66663 16.3336V15.667C6.66663 15.2988 6.96511 15.0003 7.3333 15.0003H15V7.33365C15 6.96546 15.2985 6.66699 15.6667 6.66699H16.3333C16.7015 6.66699 17 6.96546 17 7.33365V15.0003H24.6667C25.0349 15.0003 25.3333 15.2988 25.3333 15.667Z" fill="currentColor"></path></svg></div></div><div style="width: 1118px; height: 0px;" class="accordion2_bottom"><div class="margin-bottom margin-small"><table class='custom-table-style'><tbody><tr><td><h5>Quantity</h5></td><td><p>4</p></td></tr><tr><td><h5>Solid Caster Wheels</h5></td><td><p>Yes</p></td></tr><tr><td><h5>Solid Caster Wheels - Size</h5></td><td><p>8x3.5 in.</p></td></tr><tr><td><h5>Solid Caster Wheels - Size</h5></td><td><p>20.3x8.9 cm</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Deck</div><div class="accordion2_icon w-embed"><svg width="100%" height="100%" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M25.3333 15.667V16.3336C25.3333 16.7018 25.0349 17.0003 24.6667 17.0003H17V24.667C17 25.0351 16.7015 25.3336 16.3333 25.3336H15.6667C15.2985 25.3336 15 25.0351 15 24.667V17.0003H7.3333C6.96511 17.0003 6.66663 16.7018 6.66663 16.3336V15.667C6.66663 15.2988 6.96511 15.0003 7.3333 15.0003H15V7.33365C15 6.96546 15.2985 6.66699 15.6667 6.66699H16.3333C16.7015 6.66699 17 6.96546 17 7.33365V15.0003H24.6667C25.0349 15.0003 25.3333 15.2988 25.3333 15.667Z" fill="currentColor"></path></svg></div></div><div style="width: 1118px; height: 0px;" class="accordion2_bottom"><div class="margin-bottom margin-small"><table class='custom-table-style'><tbody><tr><td><h5>Deck Discharge</h5></td><td><p>Rear</p></td></tr><tr><td><h5>Deck Thickness</h5></td><td><p>0.1345 in.</p></td></tr><tr><td><h5>Deck Thickness</h5></td><td><p>3.416 mm</p></td></tr><tr><td><h5>Deck Thickness</h5></td><td><p>10 gauge</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Dimensions</div><div class="accordion2_icon w-embed"><svg width="100%" height="100%" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M25.3333 15.667V16.3336C25.3333 16.7018 25.0349 17.0003 24.6667 17.0003H17V24.667C17 25.0351 16.7015 25.3336 16.3333 25.3336H15.6667C15.2985 25.3336 15 25.0351 15 24.667V17.0003H7.3333C6.96511 17.0003 6.66663 16.7018 6.66663 16.3336V15.667C6.66663 15.2988 6.96511 15.0003 7.3333 15.0003H15V7.33365C15 6.96546 15.2985 6.66699 15.6667 6.66699H16.3333C16.7015 6.66699 17 6.96546 17 7.33365V15.0003H24.6667C25.0349 15.0003 25.3333 15.2988 25.3333 15.667Z" fill="currentColor"></path></svg></div></div><div style="width: 1118px; height: 0px;" class="accordion2_bottom"><div class="margin-bottom margin-small"><table class='custom-table-style'><tbody><tr><td><h5>Cutting Width</h5></td><td><p>72 in.</p></td></tr><tr><td><h5>Cutting Width</h5></td><td><p>182.9 cm</p></td></tr><tr><td><h5>Overall Machine Width</h5></td><td><p>73.1 in.</p></td></tr><tr><td><h5>Overall Machine Width</h5></td><td><p>185.7 cm</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Gearbox</div><div class="accordion2_icon w-embed"><svg width="100%" height="100%" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M25.3333 15.667V16.3336C25.3333 16.7018 25.0349 17.0003 24.6667 17.0003H17V24.667C17 25.0351 16.7015 25.3336 16.3333 25.3336H15.6667C15.2985 25.3336 15 25.0351 15 24.667V17.0003H7.3333C6.96511 17.0003 6.66663 16.7018 6.66663 16.3336V15.667C6.66663 15.2988 6.96511 15.0003 7.3333 15.0003H15V7.33365C15 6.96546 15.2985 6.66699 15.6667 6.66699H16.3333C16.7015 6.66699 17 6.96546 17 7.33365V15.0003H24.6667C25.0349 15.0003 25.3333 15.2988 25.3333 15.667Z" fill="currentColor"></path></svg></div></div><div style="width: 1118px; height: 0px;" class="accordion2_bottom"><div class="margin-bottom margin-small"><table class='custom-table-style'><tbody><tr><td><h5>Mower Deck Horsepower</h5></td><td><p>35 hp</p></td></tr><tr><td><h5>Mower Deck Horsepower</h5></td><td><p>26.1 kW</p></td></tr><tr><td><h5>Ratio</h5></td><td><p>1:1.9</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Hitch</div><div class="accordion2_icon w-embed"><svg width="100%" height="100%" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M25.3333 15.667V16.3336C25.3333 16.7018 25.0349 17.0003 24.6667 17.0003H17V24.667C17 25.0351 16.7015 25.3336 16.3333 25.3336H15.6667C15.2985 25.3336 15 25.0351 15 24.667V17.0003H7.3333C6.96511 17.0003 6.66663 16.7018 6.66663 16.3336V15.667C6.66663 15.2988 6.96511 15.0003 7.3333 15.0003H15V7.33365C15 6.96546 15.2985 6.66699 15.6667 6.66699H16.3333C16.7015 6.66699 17 6.96546 17 7.33365V15.0003H24.6667C25.0349 15.0003 25.3333 15.2988 25.3333 15.667Z" fill="currentColor"></path></svg></div></div><div style="width: 1118px; height: 0px;" class="accordion2_bottom"><div class="margin-bottom margin-small"><table class='custom-table-style'><tbody><tr><td><h5>Hitch Category</h5></td><td><p>Category 1</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Setup Time</div><div class="accordion2_icon w-embed"><svg width="100%" height="100%" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M25.3333 15.667V16.3336C25.3333 16.7018 25.0349 17.0003 24.6667 17.0003H17V24.667C17 25.0351 16.7015 25.3336 16.3333 25.3336H15.6667C15.2985 25.3336 15 25.0351 15 24.667V17.0003H7.3333C6.96511 17.0003 6.66663 16.7018 6.66663 16.3336V15.667C6.66663 15.2988 6.96511 15.0003 7.3333 15.0003H15V7.33365C15 6.96546 15.2985 6.66699 15.6667 6.66699H16.3333C16.7015 6.66699 17 6.96546 17 7.33365V15.0003H24.6667C25.0349 15.0003 25.3333 15.2988 25.3333 15.667Z" fill="currentColor"></path></svg></div></div><div style="width: 1118px; height: 0px;" class="accordion2_bottom"><div class="margin-bottom margin-small"><table class='custom-table-style'><tbody><tr><td><h5>Labor Hours</h5></td><td><p>0.5 hr</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Tractor Requirements</div><div class="accordion2_icon w-embed"><svg width="100%" height="100%" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M25.3333 15.667V16.3336C25.3333 16.7018 25.0349 17.0003 24.6667 17.0003H17V24.667C17 25.0351 16.7015 25.3336 16.3333 25.3336H15.6667C15.2985 25.3336 15 25.0351 15 24.667V17.0003H7.3333C6.96511 17.0003 6.66663 16.7018 6.66663 16.3336V15.667C6.66663 15.2988 6.96511 15.0003 7.3333 15.0003H15V7.33365C15 6.96546 15.2985 6.66699 15.6667 6.66699H16.3333C16.7015 6.66699 17 6.96546 17 7.33365V15.0003H24.6667C25.0349 15.0003 25.3333 15.2988 25.3333 15.667Z" fill="currentColor"></path></svg></div></div><div style="width: 1118px; height: 0px;" class="accordion2_bottom"><div class="margin-bottom margin-small"><table class='custom-table-style'><tbody><tr><td><h5>PTO Horsepower</h5></td><td><p>25-35 hp</p></td></tr><tr><td><h5>PTO Horsepower</h5></td><td><p>18.8-26.1 kW</p></td></tr><tr><td><h5>PTO rpm</h5></td><td><p>540 rpm</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Warranty</div><div class="accordion2_icon w-embed"><svg width="100%" height="100%" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M25.3333 15.667V16.3336C25.3333 16.7018 25.0349 17.0003 24.6667 17.0003H17V24.667C17 25.0351 16.7015 25.3336 16.3333 25.3336H15.6667C15.2985 25.3336 15 25.0351 15 24.667V17.0003H7.3333C6.96511 17.0003 6.66663 16.7018 6.66663 16.3336V15.667C6.66663 15.2988 6.96511 15.0003 7.3333 15.0003H15V7.33365C15 6.96546 15.2985 6.66699 15.6667 6.66699H16.3333C16.7015 6.66699 17 6.96546 17 7.33365V15.0003H24.6667C25.0349 15.0003 25.3333 15.2988 25.3333 15.667Z" fill="currentColor"></path></svg></div></div><div style="width: 1118px; height: 0px;" class="accordion2_bottom"><div class="margin-bottom margin-small"><table class='custom-table-style'><tbody><tr><td><h5>Gearbox</h5></td><td><p>3 year</p></td></tr><tr><td><h5>Machine</h5></td><td><p>1 year</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Weight</div><div class="accordion2_icon w-embed"><svg width="100%" height="100%" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M25.3333 15.667V16.3336C25.3333 16.7018 25.0349 17.0003 24.6667 17.0003H17V24.667C17 25.0351 16.7015 25.3336 16.3333 25.3336H15.6667C15.2985 25.3336 15 25.0351 15 24.667V17.0003H7.3333C6.96511 17.0003 6.66663 16.7018 6.66663 16.3336V15.667C6.66663 15.2988 6.96511 15.0003 7.3333 15.0003H15V7.33365C15 6.96546 15.2985 6.66699 15.6667 6.66699H16.3333C16.7015 6.66699 17 6.96546 17 7.33365V15.0003H24.6667C25.0349 15.0003 25.3333 15.2988 25.3333 15.667Z" fill="currentColor"></path></svg></div></div><div style="width: 1118px; height: 0px;" class="accordion2_bottom"><div class="margin-bottom margin-small"><table class='custom-table-style'><tbody><tr><td><h5>Operational</h5></td><td><p>538 lb.</p></td></tr><tr><td><h5>Operational</h5></td><td><p>244 kg</p></td></tr><tr><td><h5>Shipping</h5></td><td><p>615 lb.</p></td></tr><tr><td><h5>Shipping</h5></td><td><p>279 kg</p></td></tr></tbody></table></div></div></div></div>