AMCO offers Wheel Offset Harrows with 10½” blade spacing in four options. Primary tillage models are available in both 50″ main frames or 86″ main frames (designated with a “B”).

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Extra-Heavy-Duty Primary Tillage: J43, J44, J43B, J44B Features & Benefits

  • Disc gangs feature greaseable 2¾” bearings with sleeve reinforcement
  • Features 1½” square, high-carbon, cold-rolled steel axles
  • Standard unit comes with 24″ diameter x ¼″ thick plain blades with diminishing leveling blades
    • Optional blade diameters and thicknesses are 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
  • Shock Absorber Bearing Riser prevents damage from rocks and stumps and is standard on J43, J43B, J44, and J44B models
  • Dual wheels improve flotation
  • Positive screw-type depth control maintains set cutting depth
  • Wear and zerk guards protect bearing housings and grease fittings
  • 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 17’0″ and 18’8″
  • Backup blades provide added support for working blades
  • Safety features include safety chains, slow-moving placard, and light kits
  • J43: Weights of 205 to 231 pounds per blade
  • J44: Weights of 210 to 327 pounds per blade

Extra-Heavy-Duty Primary Tillage: J43, J44, J43B, J44B Specs & Compare

50″ Main Frame

ModelJ43-2024J43-2424J43-2824
Cutting Width*8'8″10'4″12'0″
No. of Disc Blades202428
No. of Bearings6810
Approx. Engine HP Required115-135122-1625,036
Approx. Weight lbs.**4,3035,0365,617

86″ Main Frame

ModelJ43B-2824J43B-3224J43B-3624J43B-4024**J43B-4424**
Cutting Width*12'0″13'8″15'4″17'0″18'8″
No. of Disc Blades2832364044
No. of Bearings1012121216
Approx. Engine HP Required162-203176-230189-243216-270243-304
Approx. Weight lbs.**6,616 8,0748,5339,283

Model J44

50″ Main Frame

ModelJ44-2024J44-2424
Cutting Width*8'8″10'4″
No. of Disc Blades2024
No. of Bearings68
Approx. Engine HP Required128-162149-176
Approx. Weight lbs.**4,4645,222

86″ Main Frame

ModelJ44B-2824J44B-3224J44B-3624J44B-4024**J44B-4424**J42B-4824**
Cutting Width*12'0″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 8-hole hubs with 15″ x 10″ 8-hole wheels.
Specifications subject to change without notice.