Hydraulic Arm Cylinder for EC210B Excavator – Heavy Duty Double Acting Cylinder
The EC210B arm hydraulic cylinder is a double-acting, high-pressure component engineered for durable excavation performance. It features a large-bore piston and hardened chrome-plated rod to resist wear, impact, and corrosion. Advanced sealing technology ensures leak-free operation and consistent force transmission under extreme loads. The cylinder integrates with the machine's flow-control system for smooth, responsive arm movements. Designed for easy maintenance, it includes replaceable wear parts and simplified disassembly. This robust cylinder enhances productivity, reduces downtime, and supports precise material handling in demanding construction and mining applications.

Heavy-duty arm cylinder for EC210B. Features 40Cr/45# steel rod with 30-60μm hard chrome plating for corrosion resistance. 27SiMn steel barrel and premium polyurethane seals ensure zero-leak performance. Precision-honed internal surface reduces wear. Double-acting design delivers consistent breakout force. 110mm bore, 80mm rod. OEM direct replacement with easy installation. Ideal for quarry and trenching.

Runhe Hydraulics is a professional manufacturer of premium hydraulic equipment. We supply high-strength hydraulic cylinders, hydraulic motors and hydraulic pumps for excavators, featuring stable performance and precise stroke control. Our extensive product lineup covers diverse specifications, and our hydraulic pumps are interchangeable with equivalent models from leading brands including Parker, Rexroth and Danfoss. We accept OEM customization, and deliver worldwide shipping alongside dedicated after-sales support for complete excavator hydraulic systems.