
Field-tested and proven in Western Canada Extrem' Concaves are the solution for efficient, worry-free harvesting.
Learn MoreExtrem' Concaves are engineered specifically to handle the crops and harvesting conditions faced by Canadian farmers. Built for John Deere X9 Combines, our concaves are designed to:
Maximize Efficiency
Reduce grain loss, improve flow, and minimize bottlenecks.
Deliver Durability
Made from AR400 steel to withstand years of tough use—even in rocky fields.
Simplify Maintenance
Replaceable and interchangeable inserts—no left or right concerns.