HEAVY-OFFSET 790 DISK HARROW
Whether you’re deep-tilling stalks and stubble, burying brush on summer fallow, or leveling irrigated fields, the Case IH Heavy-Offset 790 disk harrow tackles soil-conditioning tasks with rugged, enduring components. The mainframe is constructed from welded steel tubing to provide an imposing backbone of unmatched dependability and consistent performance over years of use. Long-lasting, break-resistant, crimp center blades and proven Case IH gangs slice deep through the toughest field conditions — all to achieve a high-efficiency seedbed with healthier soil. HEAVY-OFFSET 790 1 Model | Working Widths: 11 – 27 Ft.
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HEAVY-OFFSET 790 DISK HARROW
Give Soil Health a Sturdy Foundation.������������������������������������������������������������������������������������������������������������ 4 Maximize Uptime������������������������������������������������������������������������������������������������������������������������������������������ 5 Options That Support Your Operations������������������������������������������������������������������������������������������������������������ 6 Productivity, Connectivity and Profitability������������������������������������������������������������������������������������������������������ 7 Product Specifications���������������������������������������������������������������������������������������������������������������������������������� 8
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The Case IH Heavy-Offset 790 disk harrow features unmatched ruggedness and state-of-the-art engineering to deliver unparalleled performance in the toughest conditions. Customize to fit your operation with three disk blade sizes and spacing configurations to aggressively penetrate the soil down to 12 inches — creating a level foundation of healthier soil . GIVE SOIL HEALTH A STURDY FOUNDATION
SELF-LEVELING HITCH Exclusive to the Heavy-Offset 790 disk harrow, the self-leveling hitch keeps gangs working at uniform depth from front to rear. Transferring weight between tractor and disk, it allows even soil penetration on hills .
EASILY ADJUSTABLE LEVELING A one-step lateral pin easily adjusts for tongue placement to maintain draft compliance . Or activate the optional hydraulic leveling cylinder to level the disk harrow fore and aft . A leveling gauge is easy to see from the cab.
ACCURATE, REPEATABLE DEPTH Single-point depth control allows convenient, quick and reliable adjustments for accurate, repeatable depth to create a high-efficiency seedbed.
PAINTED TO LAST The Heavy-Offset 790 disk harrow will look new longer thanks to a high quality paint finish that delivers more resistance to impact, scratching and fading .
HEAVY-DUTY ENGINEERING Depend on superior durability with the reinforced mainframe, improved hitch pull plate, larger wheel gear rock shaft cast bearing mounts and heavier gang tubes.
CUSTOM CONFIGURATIONS Choose from three blade sizes and spacing configurations to easily deep-till, bury brush and level irrigated fields. – Finishing offset disk: 26 in. (660 mm) diameter, 10.5 in. (267 mm) front gang spacing, 9 in. (229 mm) rear gang spacing – All-purpose offset disk: 28 in. (711 mm) diameter, 10.5 in. (267 mm) spacing front and rear – Plowing disk: 32 in. (812 mm) diameter, 12 in. (305 mm) spacing front and rear
EASY GANG ADJUSTMENTS Both front and rear gangs easily adjust to maximize the tool’s performance in every condition .
CRIMP CENTER BLADES – A SUPERIOR AGRONOMIC ADVANTAGE Blades are designed with flat, crimped centers that mate perfectly to the cast nodular flat-faced spools for a more secure and solid gang assembly.
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LOW MAINTENANCE EQUIPMENT FOR HIGH MAINTENANCE FIELDS
Maximize uptime and productivity with a gang designed for your specific tillage demands.
GANG BEARINGS
The cushion gang bearing is a heavy duty, greaseable bearing in a trunnion and is commonly used in fields with rocks and debris . It holds the arbor bolt firm while allowing the joint to rotate freely through rough terrain for a high-quality seedbed and finish. The rigid gang bearing option performs well in fields with very few rocks and debris and is a cost-effective choice.
NODULAR CAST IRON SPOOLS
Heavy-Offset spools are made of nodular cast iron, which is stronger than the gray cast iron or steel fabricated spools used on other disk harrows. The 6-inch (152 mm) or 8-inch (203 mm) diameter spools withstand shock loads caused by field impacts and provide “built-in” weight necessary to cut residue and penetrate hard soil. No additional weight kits required.
RUGGED GANG DESIGN AND CONSTRUCTION
Blades have flat, crimped centers for added strength and durability . And, they fit perfectly with each nodular cast iron spool to ensure gangs stay tight with the best possible joints.
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OPTIONS THAT SUPPORT YOUR OPERATION — AND BOTTOM LINE
Choose from rugged, reliable and agronomic features that support your specific tillage demands and soil conditions.
COMMERCIAL GRADE FRAME
The Heavy-Offset 790 disk harrow engineering team used extensive analysis and field tests to ensure ruggedness and reliability . Tube lengths, tube placement and welding are carefully thought through and evaluated. Plus, endless gussets are used to improve overall strength and longevity of the frame.
OPTIMAL SHANK SPACING, BETTER RESIDUE FLOW
Single-point hydraulic depth control maintains a constant blade operating depth for a planter-ready seedbed. Adjust it using a simple hand crank located conveniently at the front of the machine.
REAR HITCH
This optional feature allows for pull-type attachments for additional soil conditioning. Equipped with a 9-pin electronic connector for lighting and one set of hydraulic couplers, the rear hitch has a vertical capacity of 1,000 pounds.
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THE AFS CONNECT FARM APP
View and monitor your equipment and field information in one place, all on your mobile device or tablet.
PRODUCTIVITY, CONNECTIVITY AND PROFITABILITY Understanding every aspect of your operation is the key to improving your bottom line. With AFS Connect ™ , view your equipment data and agronomic layers in one place to help you make informed decisions—both in the planning stages for the year and those critical in-season pivots. Plus, with the AFS Connect app, you can successfully manage your operation anytime, anywhere.
KEEP MOVING IN SEASON
WORK SMARTER BY TRACKING EQUIPMENT
PLAN YOUR SEASON
Using all the tools available to you keeps your operation running at top speed. • Create scouting reports through the AFS Connect mobile app to keep an eye on certain areas all season long.
Having every pass planned before the year starts can help when it’s time to get to the field to begin the work. • Review previous years’ data to develop your approach for a new season. • Develop tillage prescriptions for AFS Soil Command ™ - equipped tools to work every acre exactly how you want. • Send field data, guidance lines and prescriptions to connected equipment.
Knowing the status of all your equipment helps you cover more acres in a day. • Track equipment location with minute-by-minute updates to plan your next move. • Receive push notifications when a tractor enters or exits a set geofence for up-to-date status on job completion. • View and compare machine information, such as operating speed and fuel usage, to learn how machines are being used in the field. • Access the AFS Pro 1200 display remotely with Remote Display Viewing to coach operators through setup and operation.
• With AFS Connect-equipped machines, add AFS AccuSync ™ to share machine data in field, reducing skips and overlaps. • View and share reports and other relevant information with your landlord, agronomic consultant or Case IH dealership.
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HEAVY-OFFSET 790 DISK HARROW SPECIFICATIONS
CONFIGURATIONS Disk Blade Diameter
FINISHING OFFSET
ALL-PURPOSE OFFSET
PLOWING OFFSET
26 in. (660 mm)
28 in. (711 mm)
32 in. (813 mm)
Rigid: 11 ft. 5 in., 13 ft. 11 in., 17 ft. 2 in., 19 ft. 9 in. (3.5 m, 4.2 m, 5.2 m, 6 m) Folding: 20 ft. 6 in., 23 ft. 10 in., 27 ft. 2 in. (6.2 m, 7.3 m, 8.3 m)
Rigid: 11 ft. 1 in., 13 ft. 11 in., 16 ft. 10 in., 19 ft. 8 in. (3.4 m, 4.2 m, 5.1 m, 6 m) Folding: 21 ft. 6 in. (6.6 m)
Working Width
Folding only: 21 ft. 2 in., 24 ft., 26 ft. 10 in. (6.5 m, 7.3 m, 8.2 m)
Approx. Operating Weight (Smallest and Largest Sizes Shown)
12,600 to 14,800 lb. (5 715 to 6 713 kg)
8,500 to 15,500 lb. (3 856 to 7 031 kg)
9,400 to 16,000 lb. (4 264 to 7 258 kg)
Blade Spacing Bearing Type Gang Arbor Bolts Gang Spool Type
10.5 in. (267 mm) front, 9 in. (229 mm) rear
10.5 in. (267 mm)
12 in. (305 mm)
Dynamically self-aligning, cartridge-type, triple-sealed ball bearings, regreasable with steel sleeve
Trunnion-style bearings
1.5 in. (38 mm) square spring steel
1.75 in. (45 mm) square spring steel
Bell-shaped nodular iron with machined ends
Gang Spool Diameter
6 in. (152 mm)
8 in. (203 mm)
11 to 15 PTO hp/working ft. (27 to 37 kW/m)
12 to 17 PTO hp/working ft. (29 to 42 kW/m)
18 to 22 PTO hp/working ft. (44 to 54 kW/m)
Typical PTO HP Requirements 1
GENERAL Mainframe Gang Tubes
Rigid models: 6 × 8 in. (152 × 203 mm) structural tubing (folding models also have 2 additional 7 × 7 in. [178 × 178 mm] fore-aft tubes)
4 × 10 in. (102 × 254 mm) structural tubing
Bearing Guard
Outside rear gang standard, optionally available for other bearing locations
Weight 2 Wheels
8,500 to 16,000 lb. (3 856 to 7 258 kg)
Dual wheels with heavy-duty 8-bolt hubs with replaceable spindles; 125L × 15 tires standard / 31 – 13.5 × 15 terra rib tire optional
TRANSPORT SMV Emblem
Standard Standard Standard Standard
Transport Locking System Warning and Tail Lights
Safety Chain
DEPTH ADJUSTMENT Depth Control GANG FEATURES Disk Blade Design Gang Disk Spools Type
Mechanical depth-stop collars fit over main lift cylinders as standard, single-point hydraulic depth control optional
Shallow concavity, crimp center and self-sharpening Bell-shaped, nodular iron with machine ends
Front and Rear Gang Disk Angle
Adjusts 34° to 46° Adjusts laterally
Rear Gang Scrapers Furrow Filler
Heavy-duty, spring steel, blade conforming
Standard
1 HP requirements may vary, depending on soil type, terrain, residue and tractor. 2 Operating weights will vary, based on disk blade size and spacing. Weights shown are based on the standard disk blades.
SAFETY NEVER HURTS!™ Always read the Operators Manual before operating any equipment. Inspect equipment before using it, and be sure it is operating properly. Follow the product safety signs, and use any safety features provided. CNH Industrial America LLC reserves the right to make improvements in design and changes in specifications at any time without notice and without incurring any obligation to install them on units previously sold. Specifications, descriptions and illustrative material herein are as accurate as known at time of publication, but are subject to change without notice. Availability of some models and equipment builds varies according to the country in which the equipment is used. ©2023 CNH Industrial America LLC. All rights reserved. Case IH is a trademark registered in the United States and many other countries, owned by or licensed to CNH Industrial N.V., its subsidiaries or affiliates. Any trademarks referred to herein, in association with goods and/or services of companies other than CNH Industrial America LLC, are the property of those respective companies. Printed in U.S.A. www.caseih.com. CIH22111701
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