The W1770 S IV planter has two tool bars for fertilization and seeding purposes. In the first toolbar, as an option there are installed oblique cutting blades with adjustable depth control/leveling wheel. Used when double lines of fertilizer are delivered. In the second bar the 16″ turbo coulter blades are installed with safety fuse, opening the furrow.
Then the body of planting, which is equipped with double disc openers 16 “is located. Every body is mounted on two tapered roller bearings and seals, to ensure long life, low maintenance and meet the increasing demands of work.
There are also attached two depth control wheels of 2 ½ x 15″ “American System” allowing a perfect copy of the terrain and easy registration, to ensure uniform seeding depth even on uneven terrain. Behind all this tthere´s the semi-pneumatic seed pressing wheel of 8″ mounted on 2 sealed bearings. They press the seeds accurately ensuring good contact with the soil favoring seed emergence. Coverage and compaction of the seeds is done by two rubber wheels with registrable pressure and angle. For no-till seeding, concave dented disks, are installed, these cut and remove better the stubble.
The system of the W 1770 Series IV, planter is operated with dual hydraulic system operated fron the tractor. It has four hoses to connect to the tractor. Two to lift the planter, and two for driving markers independently. It has four hydraulic cylinders for lifting and lowering, with a compensating valve proportional divider. Markers have two cylinders eache with sequential valves, for alternate operation.