Boss Agriculture Air Seeder

TX65C Parallelogram Tyne Units

Boss Agriculture TX65C Parallelogram Tyne Unit

Boss Agriculture’s TX Series of parallelogram tyne planting units set the standard in broadacre seeding; from the front to the back the Boss TX Series is built on experience to deliver a planting unit that is accurate, tough and simple to operate & maintain.

The TX65C offers a 125lb - 625lb variable hydraulic breakout on the tyne trip & variable hydraulic downforce integrated into the tyne breakout ram in a compact parallelogram row unit. With 10” of parallelogram travel and a 1” x 2” planting tyne to open the widest planting window whilst still maintaining accuracy and low disturbance.

The TX65C row unit can be fitted with several double shoot planting options. These include

  • Double shoot tyne seeding 28mm off to the side of the front fertilising tyne
  • Double shoot tyne seeding above the front fertilising tyne via a covering tool
  • Double shoot tyne seeding 28mm off to the side of the front fertilising tyne via an angled seeding point into the side wall of the fertilising trench

TX65C Features & Benefits:

  • The parallelogram clamps diagonally to an RHS toolbar to ensure the unit locks in and is not able to twist on the frame.
  • All pressure and depth adjustments are either pin or hydraulically adjustable – No tools required.
  • Individual units can be lifted up when operating on wide or skip row spacings.
  • Parallelogram pivots are fitted with replaceable bushes and 1¼”chrome plated pins for reliable & smooth operation.
  • Fitted with an 18” coulter disc to cut through the trash & fracture the soil.
  • Range of press wheel profiles available including 1” tapered, 11/2” semi-tapered, 2” square, 80mm and 110mm wedge & 4” single rib pneumatic.
  • Range of points available including spear points, winged points, fabricated knife points or Keech points.
  • The front coulter assembly operates on a greasable Holden hub fitted with marine seals and steel seal protector.
  • Fitted with a 1” x 2” heat treated spring steel planting tyne with pin adjustable depth control in ¼” increments.
  • Removable seed boot which means it can be easily replaced with different attachments, or simply pulled off to be hard faced back in the workshop without removing the tyne.
  • Heavily constructed tyne box fitted with replaceable bushes and 1¼” chrome plated pins.
  • Inframe or Rear mounted press wheel assembly is available with positive locking pin adjustment that self locates when increasing or decreasing the press wheel pressure.
  • Optional Boss double disc shank can be used by simply removing the front coulter disc and replacing the tyne with the double disc shank. The double disc offers very low disturbance and will run in heavy trash conditions whilst delivering excellent moisture & fuel savings.
  • Optional Boss single disc shank can be fitted to the TX65C, the single disc shank offers very low disturbance and will run in heavy trash conditions.
  • Available options include diffusers, chain harrows, press wheel scrapers, liquid fertiliser tubes, gas tubes, press wheel lockouts & double shoot tyne options.

TX65C Specifications:

    Boss Agriculture TX65C row unitBoss Agriculture TX65C row unit
  • 125lb – 625lb variable tyne breakout force
  • 1” x 2” planting tyne
  • 18” double bevel disc coulter (2” of disc cutting depth for heavy trash conditions)
  • Zero to 305kg down-force
  • Diamond clamp mounting 158mm wide
  • Proven durable poly bushes and 1¼”chrome/stainless steel pins used in the parallelogram & pivot joints
  • Simple depth and pressure adjustments
  • 250mm of parallelogram travel
  • Planting, solid fertiliser or gassing options
  • Minimal servicing required
  • Optional low draft shank available
  • Row units or complete machines available
  • Tapered rolling bearings used in the coulter assembly
  • Suit 100mm x 100mm RHS - Adaptors available for 6", 7" or 8" toolbars
  • Heat treated spring steel planting tyne
  • Australian Manufactured

Frames available for the TX65C Row Units Include:

  • 2 or 3 bar linkage frames (Optional lift assist)
  • Bridge frames
  • Supaflex frames
  • End tow frames


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