10½” Spacing Wheel Offset Harrows

AMCO offers Wheel Offset Harrows with 10½” blade spacing in four options:

  • General purpose: J41
  • Heavy-duty primary tillage: J42
  • Extra-heavy-duty primary tillage: J43, J44

The primary tillage models are available in both 50″ main frames or 86″ main frames (designated with a “B”).

J41 – general purpose

  • Has AMCO’s exclusive greaseable ball-type, toggle-mounted Protect-O-Shield® bearings, guaranteed for two full years
  • Standard equipment includes: 24″ x ¼” cutout blades with backup blades immediately behind; an adjustable tongue with jack; adjustable gang angle on both front and rear gangs; 15″ x 6″ wheels with 6-bolt wheel hubs; 4″ x 8″ hydraulic cylinder (3,000 PSI) with hoses to tractor
  • Standard scrapers: 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
  • Upgrades for rocky and woody conditions include: spring-loaded shock absorber gang with 24″ x ¼” cutout blades and heavy-duty end bells
  • Safety features include safety chains, slow-moving placard, and light kits
  • Optional equipment includes feathering blades with scraper for the rear gang

 

J42 – heavy-duty primary tillage

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. 

 

J42 features

  • Optional Shock Absorber Gang Riser helps prevent damage from rocks and stumps
  • Protect-O-Shield® bearings to help eliminate damage from grease gun pressure or residue wrapping
  • High-carbon, cold-rolled 1½” steel square axles
  • Standard unit comes with 24″ diameter x 1/4″ thick plain blades with diminishing leveling blades
  • Optional blade diameters and thicknesses are available
  • 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
  • Dual wheels for improved flotation
  • Heavy-duty 3,000 PSI hydraulic cylinders to adjust cutting depth and raise the disc for transport
  • Positive screw-type depth control for maintaining set cutting depth
  • Wear guards to protect bearing housings and zerk guards to protect grease fittings
  • Adjustable 88½” tongue with base hitch and tongue jack
  • Backup blades provide added support for working blades
  • Outrigger frame of 16’6″ through 20’6″
  • Weights of 179 to 208 pounds per blade
  • Safety features include safety chains, slow-moving placard, and light kits

See the J42 in action

J43, J44 – extra-heavy-duty primary tillage

  • Shock Absorber Gang Riser prevents damage from rocks and stumps and is standard on J43, J43B, J44, and J44B models
  • Extra heavy-duty 2-11/16” bore greaseable ball-type, toggle-mounted Protect-O-Shield® bearings eliminate damage from grease gun pressure or residue wrapping. Wear guards protect bearing housings, and zerk guards protect grease fittings
  • High-carbon, cold-rolled 1½” steel square axles with axle sleeves for extra reinforcement
  • Standard unit comes with 24″ diameter x ¼″ thick plain blades with diminishing leveling blades
  • Optional blade diameters and thicknesses are available
  • J43 – weights of 205 to 231 pounds per blade
  • J44 – weights of 210 to 327 pounds per blade
  • 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
  • HD end bells on the gang assemblies
  • Dual wheels for improved flotation
  • Heavy-duty 3,000 PSI hydraulic cylinders to adjust cutting depth and raise the disc for transport
  • Positive screw-type depth control for maintaining set cutting depth
  • Backup blades provide added support for working blades
  • Outrigger frame of 15’4″ through 18’8″
  • Safety features include safety chains, slow-moving placard, and light kits

View the Wheel Offset Harrow literature
J42, J43, J44, and F42
F41 and J41


AMCO FAQ: The normal cutting depth of a disc is about one-third the blade diameter. For example, the cutting depth of a 32″ blade is about 11″. Read more in our FAQ section.

 

Model J41

Model Cutting Width No. of Disc Blades No. of Bearings Approx. Engine HP Required Approx. Weight lbs*
J41-1624 7’0″ 16 6 68-88 2,592
J41-1824 7’10” 18 6 74-95 2,739
J41-2024 8’8″ 20 6 81-101 2,905
J41-2224 9’6″ 22 8 88-108 3,154
J41-2424 10’4″ 24 8 95-115 3,345

Model J42

50″ Main Frame
Model Cutting Width No. of Disc Blades No. of Bearings Approx. Engine HP Required Approx. Weight lbs*
J42-2024 8’8″ 20 6 101-128 3,937
J42-2424 10’4″ 24 8 122-162 4,614
J42-2824 12’0″ 28 10 135-176 5,037
86″ Main Frame
Model Cutting Width No. of Disc Blades No. of Bearings Approx. Engine HP Required Approx. Weight lbs*
J42B-2824 12’0″ 28 10 149-189 6,063
J42B-3224 13’8″ 32 12 169-203 6,558
J42B-3624 15’4″ 36 12 189-236 6,910
J42B-4024 17’0″ 40 12 216-257 7,803
J42B-4424** 18’8″ 44 16 236-277 8,389
J42B-4824** 20’6″ 48 16 257-297 8,741

Model J43

50″ Main Frame
Model Cutting Width No. of Disc Blades No. of Bearings Approx. Engine HP Required Approx. Weight lbs*
J43-2024 8’8″ 20 6 115-135 4,303
J43-2424 10’4″ 24 8 122-162 5,036
J43-2824 12’0″ 28 10 149-189 5,617
86″ Main Frame
Model Cutting Width No. of Disc Blades No. of Bearings Approx. Engine HP Required Approx. Weight lbs*
J43B-2824 12’0″ 28 10 162-203 6,616
J43B-3224 13’8″ 32 12 176-230 7,213
J43B-3624 15’4″ 36 12 189-243 8,074
J43B-4024** 17’0″ 40 12 216-270 8,533
J43B-4424** 18’8″ 44 16 243-304 9,283

Model J44

50″ Main Frame
Model Cutting Width No. of Disc Blades No. of Bearings Approx. Engine HP Required Approx. Weight lbs*
J44-2024 8’8″ 20 6 128-162 4,464
J44-2424 10’4″ 24 8 149-176 5,222
86″ Main Frame
Model Cutting Width No. of Disc Blades No. of Bearings Approx. Engine HP Required Approx. Weight lbs*
J44B-2824 12’0″ 28 10 162-216 6,848
J44B-3224 13’8″ 32 12 176-230 7,467
J44B-3624 15’4″ 36 12 189-243 8,406
J44B-4024** 17’0″ 40 16 216-270 9,221
J44B-4424** 18’8″ 44 16 243-304 9,626

*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 for all models subject to change without notice.


AMCO-Exclusive Product Performance Guarantee – Repair, Replace, or Refund: AMCO Guarantees Performance – The best tillage tools deserve the best guarantee. The AMCO guarantee is simple. If, during the first 30 days, your AMCO equipment doesn’t perform as promised, and if we don’t make it perform in a reasonable amount of time, we’ll repair it, replace it, or buy it back.


 

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