Boss Agriculture Air Seeder

NX25 Parallelogram Single Disc Opener

Boss Engineering NX25 parallelogram Single Disc Opener unit

Boss Agricultures NX25 parallelogram single disc opener is designed for narrow row applications and can be used for both seeding and fertilising. The narrow row design and reduced weight means that units can be fitted in between existing rows or set up on a single toolbar down to 300mm row spacing’s. Each unit weighs approx 80kg so linkage machines with narrow spacing’s can still be easily lifted and managed around the farm. The single disc shank in the NX25 unit can be interchanged with the Boss double disc shank option.

NX25 Features & Benefits:

  • The parallelogram clamps to a RHS toolbar in the diamond position to ensure the unit locks in and is not able to twist on the toolbar.
  • All pressure and depth adjustments are pin adjustable – No tools required
  • Individual units can be lifted up when operating on wide or skip row spacing’s.
  • Parallelogram pivots are fitted with replaceable bushes and 1¼”chrome plated pins for reliable & smooth operation.
  • The NX25 row unit’s depth is governed off the press wheel which operates on a toe in angle to close the seeding trench & shed mud efficiently.
  • Single 18” disc mounted on durable tapered roller bearings operating at a 10deg undercut disc angle for penetrating tight soil types & minimising the potential of hair pinning stubble when sowing at most depths. The undercut disc angle also protects the seed tube from wear during operation.
  • Adjustable sowing boot for extended disc life.
  • Fitted with the proven BOSS spoked cleaning wheel & active mud scraper system to ensure the unit will perform in the wet sticky conditions usually encountered during winter sowing.

NX25 Row Unit Specifications:

Boss Agriculture NX25 Parallelogram Single Disc Opener
  • Narrow 140mm mounting width
  • Under-bar operating height approx 620mm
  • Simple depth and pressure adjustments
  • 300mm of parallelogram travel
  • Heavy duty tungsten blade scrapers standard
  • Minimal servicing required
  • Units can be individually pinned up when operating on wide or skip row spacing’s
  • Row units or complete machines available
  • Tapered rolling bearings used in the discs
  • Pivot joints fitted with durable poly bushes and chrome /stainless steel pins
  • Suit 100 x 100 RHS - Adaptors available for 6", 7" or 8" toolbars
  • Australian Manufactured

Frames available for the NX25 Row Units Include:

  • Single bar linkage frames (Optional lift assist)
  • Two bar linkage frames (Optional lift assist)
  • Single bar trailing frames (8, 9, 10, 12, 16, 18, 24 & 36 metre frames)
  • Paraflex frames.
  • Supaflex frames.
  • End tow frames


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