4628628 9246545 For Hitachi ZX240-3 ZX250K-3 ZX270-3 ZX280LC-3 Excavator Hydraulic Bucket Cylinder

Prouduct Description

For the Cylinder Tube:

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

2.The surface undergoes sandblasting, followed by a multi-step baking process, beginning with primer application and curing, then finished with a double-layer topcoat for enhanced durability.

For the Piston Rod:

1.The piston rod undergoes comprehensive heat treatment to optimize performance.

2.Surface reinforcement is achieved through high-frequency induction hardening, reaching a hardness level of HRC 55.

3.A robust layer of industrial-grade hard chrome plating is applied to improve wear resistance and longevity.

For the Sealing System:
We incorporate high-quality sealing solutions, sourcing precision-engineered seals from Japan’s NOK and the USA’s SKF, ensuring exceptional sealing performance with an oil leakage rate maintained below 1%.

Product Display

Company Profile

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.

Our Team & Exhibition

Customer Evaluation

Guangzhou Guoli Engineering Machinery Co., Ltd., located in GuangZhou city, benefits from a large construction machinery parts market and convenient transportation access. Our company specializes in producing a range of excavator hydraulic cylinders, including excavator arm cylinders, boom cylinders, bucket cylinders, cylinder tubes, and cylinder rods. With 10+ years expertise, we've established a complete production line from R&D to manufacturing, offering OEM customization and precise part number systems with technical specifications/photos/pricing. We pride ourselves on using premium materials such as high-strength steel and advanced processing technologies to ensure durability and performance.

In addition to hydraulic cylinders, we also provide a comprehensive range of other hydraulic components. This includes hydraulic pumps, swing motor, control valve,travel motors,engine parts,and undercarriage components, all designed for use in various excavator models. Our extensive product portfolio reflects our commitment to delivering complete solutions for construction machinery, ensuring that all critical components are available to meet the needs of our customers.

We serve a global customer base, including clients from Thailand, the Philippines, Indonesia, Malaysia, the United States, Turkey, Russia, Mexico, and many other countries. Our products have been recognized and recommended by local dealers and are highly regarded for their quality and reliability. With our competitive prices, timely delivery, and outstanding customer service, we are committed to providing the best solutions for each client. We warmly welcome inquiries from businesses worldwide and look forward to establishing long-lasting partnerships.