2019 Great Plains FH6636HD

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Great Plains



Heavy-Duty Flex Harrow.

When it comes to busting clods, the Great Plains Heavy-Duty Flex Harrow is the toughest finishing tool on the market! Known for strength and simplicity, it utilizes a ladder-frame full-length tongue and a height-adjustable hitch. Flex Harrow’s center frame is made entirely of ¼" wall steel, making it perfect for nearly any terrain, and the wings are constructed of 6" square tubing with reinforced corners.

For longer life and wear, the machine features 1½" pivot pins on the main pivot and wing corners. Extra large cylinders with single valve control provide lifting and folding power. Automatic cable lift means there’s no need to get off the tractor to adjust. Non-puncture aircraft tires on the wings ensure longer stability and reliability. The Flex Harrow is available in widths from 24'-51' with an optional 8-, 12-, or 16-bar harrow.

  • Tongue: Adjustable hitch heights. Tongue or clevis hitch helps maintain level profile and optimal hitch height.
  • Forge Hardened: Six-inch spike teeth on 9" spacing for longer lasting wear.
  • 8-Bolt Main Transport Hubs and Non-Puncture Aircraft Tires on Wings: With heavy- built hubs, tires are designed to run longer in tougher conditions without skipping a beat.
  • 1½" Wing Pivot Pins: Greasable wing pivot pins last longer and require less maintenance than competitors.
  • Single Hydraulic Circuit: Unit can be lifted and folded with one SCV control. Allows for unit to be pulled behind other tillage implements.
  • Heavy-Duty Frame: Designed to handle even the toughest soil conditions, the Great Plains Flex Harrow's center frame is constructed of quarter-inch-wall steel, while its wing frames are built from 6" square tubing.
  • 8-, 12-, And 16-Bar Tine Models Available In 4-Bar Sections: Choose the option ideal for specific field conditions and desired finish. Bar sections can be added or removed.
Model Info
  • Model: FH6636HD
  • Tires: 12.5Lx15 8-ply
  • Weight (Approx. Lbs): 6,000 - 6,450
  • PTO H.P. Req (Min): 110+
  • Tillage Width: 36'
  • Transport Width: 12' 8"
  • Transport Height: 10' 10"
Tillage Info
  • Center Section: 12'
  • 1st Wing Section: 12'
  • No. of Folding Sections: 3
  • No. of Harrow Sections: 6



Cutting Width
36 ft.
10 ft. 10 in.
12 ft. 8 in.
6,000 lb. - 6,450 lb.

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