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8-Row Kit for John Deere® 678 & 778 Large Drum

Kooima Ag
#KK678TC

$1,711.75

Weight
98.00 lbs
Replaces OEM#
LCA66037, LCA66038,

Product Description

Where does this product go?
Knives are mounted to the drum rotors, which can spin either clockwise or counterclockwise.

How is it installed?
Always install with the tungsten carbide facing up.

What is this product used for?
This product is used for cutting off forage near the bottom of the stalk. The fingers of the gathering drums then feed the cut crop into the throat of the forage harvester.

When to replace this product?
Blades should be replaced when there is no tungsten carbide hard surface left, or if the rotor is out of balance.

Includes:

Fits:

  • Kemper™ 460
  • John Deere® 678, 778


This kit does not include scrapers or straps. If needed, these components can be purchased separately:

Other knife options see:

Hard-Surfaced Blades with Tungsten Carbide Edge

These blades feature an advanced hard-facing coating with a wear-sharp surface, providing exceptional durability and extending their lifespan. Designed to wear asymmetrically, the back side of the blade wears down faster than the hard-faced side, creating a self-sharpening effect over time.

Enhanced with tungsten hard-facing, these blades maintain consistent sharpness and improve cutting efficiency. Their innovative design ensures long-lasting performance, making them a popular choice for those seeking durability and self-maintenance. The combination of hard-facing and tungsten reinforcement delivers a cost-effective, high-performance solution for forage harvesting.

Why Kooima Ag?
Kooima Ag has been manufacturing high-quality replacement agricultural products since 1989. With years of experience, we are committed to providing durable, dependable parts at cost savings to our customers.

Compatible Models

John Deere®
  • 678
  • 778
John Deere® and JD® are registered trademarks of Deere & Company, which does not manufacture, distribute or endorse these parts.

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Related Schematics

778 Large Drum Rotary Head Assembly

460+ Large Drum Rotary Head Assembly

460 Large Drum Rotary Head Assembly

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