hydraulic check valve attachment swapper

Heavy-Duty Electronic-Driven Excavator Quick Coupler (1.5-40 Ton) High-efficiency attachment swapper featuring automatic safety system, hydraulic check valve, and custom safety pin for construction and earthmoving machinery. Product Overview The Xinjinming Quick Coupler is a high-performance accessory designed for excavators, enabling rapid switching between various attachments including buckets and breakers. Compatible with excavators across multiple tonnage ranges, this