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Gates Manufacturing – Tillage and Attachment Tractor Products


Gates Manufacturing produces a complete line of residue management toolbars and attachments. With harrow drawbars ranging from the heaviest to the lightest harrow on the market, their products have been mounted on hundreds of tillage implements across North America, Europe, and Australia. ‍

Gates Manufacturing products come in a variety of sizes and tine options, with numerous mount kits available to match your primary tillage line, as well as air seeders and secondary tillage equipment.

Gates Double Row Coulter Harrow

Gates Double Row Coulter Harrow

Extremely good in wet conditions for drying out ground and seed bed preparation. Great for residue management, including legumes. Consists of two rows of 20” soil rebel blades on 12” spacing, heavy tine harrows (5/8” x 30” tines with Gates carbide tips), plus a 14” flat bar rolling basket.

Working speeds up to 11 mph so you can work 50 to 80 acres per hour with a 60 ft unit to stay ahead of those large seeders and planters. The most durable harrow frame on the market, 10” x 10” square tubing with 1/4” wall thickness.


Gates Coulter Disk 9000 Series

Gates Coulter Disk 9000 Series

The most adjustable, most effective, most productive residue management and seed bed preparation tool on the market. The Gates Coulter Disk hydraulically adjusts from vertical tillage to conventional disk tillage. The Gates Coulter disk provides an unmatched value with excellent field performance in wet or dry conditions, travel speeds from 6 to 10 mph, plus implement sizes from 24 to 54 ft.

The 9000 series offers 9” blade spacing (4.5” overall), individual blade hubs, along with your choice of Ingersoll blades in 22” or 24” diameters.


Gates Magnum Coulter Harrow

Gates Rear Fold Single Row Coulter Harrow

Extremely good in wet conditions for drying out ground and seed bed preparation. Great for residue management, including legumes. Consists of one row of 20” Ingersoll blades on 12” spacing, heavy tine harrows (5/8” x 30” tines with Gates carbide tips), plus a 14” flat bar rolling basket. The Magnum Coulter Harrow is very productive with sizes up to 84 ft, ¼ to ½ gallon per acre fuel consumption.

Incorporate fertilizer, pre-emergence chemicals and achieve your seed bed preparation all in one pass with this tool.


Gates Coulter Disk 12000 Series

Gates Coulter Disk 12000 Series

The most adjustable, most effective, most productive residue management and seed bed preparation tool on the market. Fall or spring, this tool performs! The Gates Coulter Disk hydraulically adjusts from vertical tillage to conventional disk tillage.

With the touch of a button on the Dynamic Adapt tablet, precisely vary the disk gang aggressiveness from 0 to 15 degrees. Adapt this implement to your residue and soil types to achieve optimum agronomic conditions for the next crop.


Gates Magnum Drawbar Harrow

Gates Magnum Drawbar Harrow

Great in the Field. The primary uses of the Gates Magnum Heavy Harrow are for heavy residue management, fertilizer and chemical incorporation, and spring seedbed preparation. Saves Time and Fuel. With the Gates Magnum Heavy Harrow, you can run at high speed (8-12 mph) covering large areas in less time. With today’s high fuel prices, it can give you fuel savings of 50 to 75 percent over conventional implements.

The Magnum an ideal machine for all types of farming practices. If you want productivity up to 100 acres an hour, this is the tool for you!


Gates Forward Fold Coulter Harrow

Gates Forward Fold Coulter Harrow

The Magnum Forward Fold Coulter Harrow is ideal for Straw management after harvest, Spring seed bed preparation, and Fertilizer chemical application and incorporation. It features widths from 24′ to 48’, 1/4″ x 20″ Coulter blades set on a 7 degree angle spaced at 12” apart. Rubber torsion mounted coulter arms provide excellent flotation over rocks and obstacles.

Available options include: On-the-go hydraulic tine adjustment, Hydraulic height adjustment for coulter gangs, Air kits for broadcasting fertilizer, chemical, or seed.


Gates Mounted Magnum Harrows

Gates Mounted Magnum Harrows

The primary use of Gates Mounted Magnum Harrows is enhanced performance of your secondary and primary tillage tool. They are designed to handle tough residue in all conditions and prepare fields in fewer passes. Saves Time and Fuel. With Gates Mounted Magnum Harrows, you can eliminate tillage passes and prepare the seedbed in less time.

With today’s high fuel prices and equipment operating costs, you can immediately cut costs by eliminating field passes. It mounts up to John Deere, Case, Sunflower, Landoll, DMI, Great Plains, Krause, and others.