INNOVATIVE DESIGN
Case IH Heavy-Offset 790 disk harrows feature state-of-the-art engineering and construction. The machines offer unmatched ruggedness, dependability and consistent performance over years of use. |
Rugged Construction
All Heavy-Offset 790 disk harrow models are built with:
- Mainframe of welded steel tubing
- Square steel arbor bolts
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
- Distribute shock loads along the arbor bolt
- All bearings are:
- Re-greasable for extended life
- Triple-sealed to repel debris and moisture
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
Self-Leveling Hitch
- 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
- Minimizes draft
- Adjusts by simply pulling pin and repositioning hitch
Mechanical Depth Control
- 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
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