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Case IH Products / Tillage / Heavy-Offset Disk Harrows / Heavy-Offset 790
Model Photo

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Features

  • Working Width

    11' 1" - 27' 2"

  • Transport Width

    11' 1" -22' 7"

  • Disk Blade Diameter

    28" or 32"

  • Disk Blade Spacing

    10.5" or 12"

Heavy-Offset Disk Harrows

Unmatched Ruggedness, Dependability and Performance
Case IH Heavy-Offset 790 disk harrows are engineered to provideconsistent performance over years of use. Featuring durability-enhancing design, adjustibility to fit varying conditions and self-sharpening Earth Metal® blades.

Frame

Designed for Durability

The Case IH Heavy-Offset disk harrows is designed to handle even the toughest conditions.Built with welded steel tubing, nodular iron spools, high-capacity bearings and a self leveling hitch.

  • Nodular Iron Spools

    Unlike steel-fabricated spools on other brands, Case IH cast nodular iron spools:
    • Resist compression up to 20 tons without loosening blades
    • Add greater blade support with bell-shaped design
    • Provide better residue flow with hourglass middle

  • High Capacity Bearings

    Flangent and Cushion Gang® bearings feature:

    • Finely ground inner rings
    • Heavy steel sleeves that distribute shock loads along the arbor bolt
      • Regreasable for extended life
    • Triple sealed to repel debris and moisture

  • Self-Leveling Hitch

    • Exclusive to the Heavy-Offset 790 disk harrows
    • Keeps gangs working at uniform depth from front to rear
    • Transfers weight between tractor and disk
    • Allows even soil penetration on hills
    • Spring-cushioned hitch helps ease blades over obstructions
    • Convenient dial centers disk behind tractor and minimizes draft
    • Adjusts by simply pulling pin and repositioning hitch

Earth Metal® Blades

Earth Metal® Blades for Exceptional Endurance

All Case IH Heavy-Offset 790 disk harrows are equipped with Earth Metal blades. Uniquely formed and heat treated, Earth Metal blades offer exceptional endurance and break resistance for longer equipment life. The notched blades aggressively cut residue and vegetation with excellent cut uniformity.Earth metal blades:

  • Resharpen as they are used, improving performance over time
  • Are 30% stronger and last uo to 20% longer than conventional blades
  • Resist stress fractures
  • Feature shallow-concavity design for easier pulling and better fuel economy


Adjustments

Simple Setup and Adjustment

Adjusting the various settings on the Heavy-Offset 790 is easy, allowing you to respond to varying soil conditions and spend more time in the field.

  • Easy Gang Adjustments

    • Gang angle: Adjustable from 34 – 46 degrees; Adjusts without tools
    • Rear gangs: Adjust laterally to changing field conditions; Line up with front gang furrows as desired
    • Easy-turning crank; Fine-tunes front-to-rear leveling

  • Mechanical Depth Control

    • Provides accurate, repeatable depth
    • Pin-type adjustment
    • Makes depth control convenient, quick and reliable
    • Eliminates risk of hydraulic leakage affecting disk depths
    • Repeatable accuracy

  • Options For Varied Conditions

    All Heavy-Offset 790 disk harrows come with the following options:

    • Furrow fillers for smooth soil surface and to allow for uniform chemical incorporation
    • 31x31.5;15 terra rib tires provide additional flotation
    • Rear hitch to attach Crumbler®​ 160 or other soil conditioner

  • Other Adjustments

    • Easy-to-adjust leveling turnbuckle; optional hydraulic leveling
    • One-step lateral pin adjustment for tongue placement maintains draft compliance
    • Transport lock U-channels and rear chain attaching points
Quick Specs

 

Type: All-purpose offset disk or plowing disk
Disk Blade, Diameter: 28 - 32 in (711 - 812 cm)
Front Blade Spacing: 10.5 - 12 in (267 - 305 cm)
Rear Blade Spacing: 10.5 - 12 in (267 - 305 cm)

 

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