In­no­va­tive John Deere drill is a cut above

Irish Examiner - Farming - - NEWS - Ja­son Webb

Seen for the first time in pub­lic at the AEA’S Til­lage-live 2018 event in Septem­ber, John Deere’s new Proseries opener for the 750A All-till drill will be avail­able from Jan­uary 2019 and can be retro­fit­ted to ex­ist­ing ma­chines.

This re­places the 90 Se­ries opener that has been a fea­ture of the drill since its in­tro­duc­tion in the mid-1990s, with global sales of more than two mil­lion units. The new opener is de­signed to pro­vide even less soil dis­tur­bance, more con­sis­tent seed­ing depth, bet­ter seed to soil con­tact and im­proved slot clo­sure, and fea­tures only one grease point for min­i­mal an­nual main­te­nance. In ad­di­tion for 2019, John Deere will have new fully ISOBUS com­pli­ant soft­ware avail­able for both the 750A All-till and 740A Min-till drills.

A key ben­e­fit of the 750A is the ex­tremely low soil dis­tur­bance cre­ated at the point of drilling, which fits well with cul­tural meth­ods for con­trol­ling grass weeds, par­tic­u­larly black­grass.

The Proseries opener fur­ther re­duces soil move­ment by util­is­ing a nar­rower seed boot that fits tighter to the disc, cre­at­ing less soil throw and de­liv­er­ing 40% more con­sis­tent seed­ing depth.

Wear life is in­creased, as the seed boot is hid­den more be­hind the opener disc and sub­jected to less soil con­tact. The flex­i­ble press wheel is both nar­rower and larger in di­am­e­ter, so it fits in the seed trench bet­ter, and now fea­tures a dou­ble-row bear­ing for twice the ser­vice life. This re­design helps to im­prove seed to soil con­tact and keeps each seed at a con­sis­tent depth, for more even crop emer­gence and po­ten­tially higher yields.

Bet­ter emer­gence is also pro­vided by a more ag­gres­sive ser­rated clos­ing wheel, which has im­proved the clos­ing func­tion by 50%.

The seed boot mount­ing bolt is now re­placed by a flag pin which keeps the boot from mov­ing, to in­crease ac­cu­racy and re­duce wear.

The seed tab, which pre­vents seeds bounc­ing out of the trench, has been re­designed to bet­ter fit the trench and pro­vides twice the wear life of the pre­vi­ous ver­sion. The discs can be changed 45% quicker to fur­ther re­duce time spent on main­te­nance.

John Deere’s new Proseries 750A All-till drill helps to im­prove seed to soil con­tact and keeps each seed at a con­sis­tent depth, for more even crop emer­gence and po­ten­tially higher yields. It will be avail­able from Jan­uary 2019.

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