CAT 300.9D Mechanical Pin Grab Autolock Quick Coupler

The CAT 300.9D Mechanical Pin Grab Autolock Quick Coupler is designed to fit CAT 300-9D excavators, delivering fast, secure attachment changes with minimal cab turning. Its market-leading design lets you operate the locking mechanism from inside the cab, while the autolock system uses an internal safety pin and a pressure‑sensitive finger that automatically engages when pressure is applied. This kit includes everything you need for a secure installation and reliable performance: pins to attach the hitch to your digger arm, a lever bar to unlock, shims to ensure a precise fit, and a high‑visibility latch with a spring.

• Compatibility: Specifically designed to fit CAT 300-9D excavators for a reliable, precise connection.
• Autolock locking system: Internal safety pin and pressure‑sensitive finger automatically lock when load is applied, reducing the need for manual checks.
• Cab-access design: Operate the locking mechanism from inside the cab, so you only need to exit once to manage changes when necessary.
• Complete installation kit: Includes pins, a lever bar to unlock, shims for secure mounting, and a high‑visibility latch with a spring.
• Visibility and safety: High‑visibility latch helps you confirm the coupler status at a glance and the spring maintains reliable tension.

This autolock quick coupler is built to simplify attachment changes on the job site, improve uptime, and provide dependable engagement between your excavator and diverse attachments. Ideal for operators who switch between buckets, breakers, grapples, and other tools, it minimizes downtime and enhances overall on-site efficiency without compromising safety.