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John Deere TM5120
TM51 Series Tandem Disk Harrow pulled through a large dirt field by a tractor
Overhead view of a Frontier Tandem 51 Series Disk Harrow in the field
Left rear view of a tractor pulling a Frontier Tandem 51 Series Disk Harrow in the field
Close-up rear view of a tractor pulling a Frontier Tandem 51 Series Disk Harrow in the field
Distant rear view of a tractor pulling a Frontier Tandem 51 Series Disk Harrow in the field
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John Deere
TM5120
New Equipment

John Deere TM5120

Starting at

Key Features

  • Dual Wheels Provide Consistent Disking Depth
  • Hydraulic Wing Control
  • Two-Blade Taper Creates Level Soil Surface
  • Transport Locks Provide Secure Transport
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Service history

Features
Specifications
Dual wheels provide consistent disking depth

The TM51 Series Tandem Disk Harrow comes standard equipped with dual wheels for consistent disking depth. The dual wheels provide additional stability for even weight distribution during transport.

Close-up side view of the TM51 series tandem disk harrow's line of dual wheels resting on a golden field
End washers and wrenches keep gang shaft end nut tight

End washers help keep the gang shaft end nut tightened during operation, increasing gang wear life. Two gang nut wrenches are supplied with each unit and securely attached to the unit, ready to use when the gangs need tightening.

Close-up of an offset disk's end washer and nut, keeping gang tightened
Hydraulic wing control

Hydraulic wing control on Frontier™ TM51 Series Tandem Disk Harrows shifts weight to the wings for better soil penetration and uses adjustable pressure to prevent gouging, while a relief feature protects the cylinders from damage.

Close-up of tandem disk harrow with multiple hydraulic hoses connected to fittings and a pressure gauge mounted on the frame
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<div class="accordion-wrap"><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Available blade sizes</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>Blade Option One</h5></td><td><p>26x0.312 in.</p></td></tr><tr><td><h5>Blade Option One</h5></td><td><p>660x7.9 mm</p></td></tr><tr><td><h5>Blade Option Two</h5></td><td><p>28x0.312 in.</p></td></tr><tr><td><h5>Blade Option Two</h5></td><td><p>711x7.9 mm</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Disk Gangs</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>Axle Material</h5></td><td><p>Round heat treated alloy steel, threaded on both ends</p></td></tr><tr><td><h5>Axle Size</h5></td><td><p>1.625, 2.125 in.</p></td></tr><tr><td><h5>Axle Size</h5></td><td><p>4.1, 5.4 cm</p></td></tr><tr><td><h5>Bearing Standards</h5></td><td><p>Welded, reinforced</p></td></tr><tr><td><h5>Bearing Type</h5></td><td><p>Oil bath tapered roller</p></td></tr><tr><td><h5>Bearing Wear Plates</h5></td><td><p>Standard</p></td></tr><tr><td><h5>Front Angle</h5></td><td><p>3 Positions degree (angle)</p></td></tr><tr><td><h5>Rear Angle</h5></td><td><p>3 Positions degree (angle)</p></td></tr><tr><td><h5>Scrapers</h5></td><td><p>Adjustable</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Disks</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>Blade Concavity</h5></td><td><p>Standard: high; Optional: low</p></td></tr><tr><td><h5>Notched (Front) Notched (Rear)</h5></td><td><p>Standard</p></td></tr><tr><td><h5>Notched (Front) Smooth (Rear)</h5></td><td><p>Optional</p></td></tr><tr><td><h5>Quantity</h5></td><td><p>50</p></td></tr><tr><td><h5>Smooth (Front) Smooth (Rear)</h5></td><td><p>Optional</p></td></tr><tr><td><h5>Spacing</h5></td><td><p>10.5 in.</p></td></tr><tr><td><h5>Spacing</h5></td><td><p>26.7 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">Frame</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>Duty</h5></td><td><p>General Purpose</p></td></tr><tr><td><h5>Main Frame Tube</h5></td><td><p>6x4x0.375 (15.2x10.2x0.95)</p></td></tr><tr><td><h5>Tube Size</h5></td><td><p>6x4x0.375 (15.2x10.2x0.95)</p></td></tr><tr><td><h5>Type</h5></td><td><p>Tandem double offset</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>Front Hitch Type</h5></td><td><p>Spade</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Lighting and Safety</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>Lights</h5></td><td><p>Yes</p></td></tr><tr><td><h5>Markings</h5></td><td><p>SMV</p></td></tr><tr><td><h5>Safety Tow Chain</h5></td><td><p>Yes</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>4-6 for two people</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Tires</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>Size</h5></td><td><p>11L x 15 in. 8 ply</p></td></tr><tr><td><h5>Type</h5></td><td><p>Eight implement</p></td></tr><tr><td><h5>Wheel Hub Type</h5></td><td><p>8 Bolt</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>Recommended Drawbar HP Range</h5></td><td><p>170-200 hp</p></td></tr><tr><td><h5>Recommended Drawbar HP Range</h5></td><td><p>126.8-149.1 kW</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Transport</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>Ground Clearance With Base Blades</h5></td><td><p>8 in.</p></td></tr><tr><td><h5>Ground Clearance With Base Blades</h5></td><td><p>20.3 cm</p></td></tr><tr><td><h5>Height</h5></td><td><p>11.75 ft</p></td></tr><tr><td><h5>Height</h5></td><td><p>3.6 m</p></td></tr><tr><td><h5>Length</h5></td><td><p>28 ft</p></td></tr><tr><td><h5>Length</h5></td><td><p>8.5 m</p></td></tr><tr><td><h5>Wheel Hub Bearings</h5></td><td><p>Dual Tapered Roller Bearings</p></td></tr><tr><td><h5>Transport - Width</h5></td><td><p>13.67 ft</p></td></tr><tr><td><h5>Transport - Width</h5></td><td><p>4.2 m</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>Time Period</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>Net</h5></td><td><p>15850 lb.</p></td></tr><tr><td><h5>Net</h5></td><td><p>7189.4 kg</p></td></tr><tr><td><h5>Weight Per Disk Blade</h5></td><td><p>345 lb.</p></td></tr><tr><td><h5>Weight Per Disk Blade</h5></td><td><p>156.5 kg</p></td></tr></tbody></table></div></div></div><div class="accordion2_component"><div class="accordion2_top"><div class="text-size-medium text-weight-bold">Working Adjustments</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>Approximate Working Width</h5></td><td><p>19.5 ft</p></td></tr><tr><td><h5>Approximate Working Width</h5></td><td><p>5.9 m</p></td></tr><tr><td><h5>Maximum Penetration</h5></td><td><p>0.75 ft</p></td></tr><tr><td><h5>Maximum Penetration</h5></td><td><p>0.229 m</p></td></tr></tbody></table></div></div></div></div>

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