4682481 4669228 Arm Hydraulic Cylinder For Hitachi Excavator EX1200 EX1200-6

Prouduct Description

For the Tube:

1. We utilize 25Mn steel, identical to the material used by original hydraulic cylinder manufacturers.

2. The surface undergoes sandblasting, followed by a baked painting process—starting with primer application and drying, then finishing with a topcoat, ensuring a double-layer protective finish.

For the Rod:

1. The piston rod is fully heat-treated for enhanced durability.

2. It undergoes high-frequency induction hardening, achieving a hardness level of up to 55.

3. The surface is coated with a layer of hard chrome plating for superior wear resistance.

For the Seal:

We incorporate imported seals from Japan's NOK and the US's SKF, ensuring an oil leakage rate of the cylinder remains below 1%.

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Company Information

GuangZhou GuoLi Engineering Machinery Co., Ltd. boasts over 16 years of experience in the field of excavator hydraulic cylinders, establishing itself as a reliable worldwide provider and producer. We focus on an extensive selection of products, including tracked excavator arm cylinders, boom cylinders, bucket cylinders, cylinder barrels, piston rods, customized hydraulic cylinders, sealing kits, hydraulic pumps, and electrical parts—designed to be compatible with a wide range of excavator models. With shipments spanning more than 100 countries and regions, we are dedicated to offering premium, long-lasting solutions tailored to fulfill the demands of our global clientele.

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