56 Knife Cutter Drum

Designed specifically for John Deere® 9000 Series Wide Throat and F9 Series Forage Harvesters, this cutter drum is a high-performance replacement part built to deliver clean, consistent cutting throughout your harvest.

Durable Construction

• Hard-faced coated knife brackets for extended wear
• Reinforced drum body adds strength and reduces risk of cracking under stress

Installation Made Simple

• Installs using factory settings
• No special tools or torque specs required

Maintenance & Replacement

• Visually inspect for wear or hairline cracks in the outer wrap
• Replace when structural fatigue or cutting performance declines

Why Kooima Ag?
With over 30 years of experience, Kooima Ag is a trusted source for high-quality replacement parts. Our cutter drums offer proven durability and cost savings, backed by a reputation for dependable field performance.

Compatible Models 

John Deere®

• 9500 series SN 623000 - 628999
• 9600 series SN 619000 - 628999
• 9700 series SN 619000 - 628999
• 9800 series SN 619000 - 628999
• 9900 series SN 619000 - 628999
• F9 500
• F9 600
• F9 700
• F9 900
• F9 1000