AMCO Manufacturing Heavy-Duty Primary Tillage: J42, J42B

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Features

This heavy-duty primary tillage tool cuts and sizes residue, eliminates clumps, and loosens packed soil, helping you prepare your ideal seedbed. It’s ideal for a wide range of applications.

  • Disc gangs feature maintenance-free bearings with three-year warranty; bearings eliminate possibility of contamination and need for re-lubrication
  • Features 1½” square, high-carbon, cold-rolled steel axles
  • Standard unit comes with 24″ x ¼″ plain or cutout blades; optional 26″ x ¼″ plain or cutout blades available
  • Equipped with ³⁄₁₆″ x 6½″ x 8″ high-carbon steel, replaceable, adjustable scraper blades mounted on bars of 2½″ x 2½″ square tubing; the scrapers are attached to the 2½″ x ½″ thick arms with heavy-duty U-bolts
  • Includes heavy-duty rigid bearing risers; Shock Absorber Bearing Risers optional
  • Dual 9.5L tires on 15″ x 8″ 6-bolt wheels improve flotation
  • Positive screw-type depth control maintains set cutting depth
  • Wear guards protect bearing housing from excessive wear
  • Includes an adjustable 88½″ tongue with base hitch and tongue jack
  • Heavy-duty 3,000 PSI hydraulic cylinders adjust cutting depth and raise the disc for transport
  • Features outriggers of 18′8″ and 20′6″
  • Backup blades provide added support for working blades
  • Weights of 164 to 208 pounds per blade
  • Safety features include safety chains, slow-moving placard, and light kits

Specifications

50" Main Frame

ModelJ42-2024J42-2424J42-2824
Cutting Width8'8″10'4″12'0″
No. of Disc Blades202428
No. of Bearings6810
Approx. Engine HP Required101-128122-162135-176
Approx. Weight lbs.*3,9374,6145,037


86″ Main Frame

ModelJ42B-2824J42B-3224J42B-3624**J42B-4024**J42B-4424**J42B-4824**
Cutting Width12'0″13'8″15'4″17'0″18'8″20'6″
No. of Disc Blades283236404448
No. of Bearings101212121616
Approx. Engine HP Required149-189169-203189-236216-257236-277257-297
Approx. Weight lbs.*6,0636,5586,9107,8038,3898,741

*To calculate weight/blade, divide the approximate weight of the model by the number of disc blades.
**Equipped with auxiliary frames, clamps, and dual 11L tires on 8-hole hubs with 15″ x 10″ wheels.
Specifications subject to change without notice.