The Massey Ferguson 1691X key pulley is a precision-fit component used to secure pulleys in position and maintain correct alignment within the tractor’s drivetrain system, ensuring smooth and efficient power transfer.
Engineered to deliver reliable engagement, this hardened key provides consistent performance and is compatible with a wide range of MF engines and pulley assemblies, supporting long-term mechanical stability.
Produced by AGCO to genuine OEM standards, the 1691X pulley key ensures exact fitment, durable construction, and dependable operation within approved Massey Ferguson applications.
Ideal for operators maintaining MF tractors across the 100, 200, 300, 3000, 4200, 6100, and 700 Series ranges—including models such as MF 122, 130, 261, 275, 290, 362, 390, 3050, 4245, 6120, and 760—who require a correct-fit pulley key for drivetrain repairs or preventative maintenance.
Key Features
✔️ Precision-fit pulley key for secure drivetrain alignment
✔️ Hardened OEM-grade construction for long service life
✔️ Supports accurate pulley positioning and smooth power transfer
✔️ Compatible with a wide range of Massey Ferguson tractor models
✔️ Manufactured to AGCO’s original specification and quality standards
✔️ Simple installation for routine maintenance and repairs
🚜 Perfect for: Tractor servicing, drivetrain repairs, workshop maintenance, OEM replacement tasks.