Hydraulic Parts
MINING EXCAVATOR
Cylinders for Up to 800t Excavators
STONE supplies various types of hydraulic cylinders for mainstream mining machinery. We can customize specialized cylinder solutions for you.
- Specializing in high-performance hydraulic cylinders for heavy excavators from 20t up to 800t.
- Perfect replacement parts compatible with 800-ton models of CAT, Hitachi, and Komatsu.
- High-pressure tested and reinforced designs to withstand the toughest mining environments.
- we provide matched high-torque motors and control valves.
MINING TRUCK
Heavy Duty 400t Truck Cylinder
Fully compatible with CAT, Komatsu, and Hitachi fleets. Engineered for maximum uptime in extreme mining environments.
- Hoist Cylinders : Multi-stage telescopic design for fast and reliable tipping of loads up to 400 tons. Features anti-friction coatings to reduce cycle times.
- Rear Suspension Cylinders : Advanced nitrogen-over-oil technology to absorb massive impact loads. Protects the truck's mainframe and increases tire life.
- Front Suspension Cylinders : Provides optimal ride height and steering stability under maximum payload. Designed with superior sealing kits for dust and debris protection.
- Steering Cylinders : Delivers high-torque responsive control for heavy maneuvering.
Others Parts
Full range of hydraulic products
The full range of hydraulic cylinders, pumps, valves, etc. is covered, with high sealing and high pressure resistance, and can accurately control pressure even under heavy load operations.
- Swinging cylinder：Designed for Log Grabs, Breakers & more – flexible, controllable steering for working devices.
- Hydraulic pump：It uses high-strength plungers and wear-resistant distribution plates, combined with precision filtration to resist dust and oil impurities.
- Hydraulic valve：Matching the hydraulic system parameters of mainstream equipment, it can directly replace the original valve and is easy to repair and replace.
Professional Solutions
Our products are suitable for mainstream excavators, bulldozers, mining trucks, loaders, graders and other equipment.
We provide high-quality spare parts for mainstream brands such as Caterpillar, Komatsy,Hitachi, Liebherr and XCMG.
For special models or non-standard requirements, we offer custom services based on provided drawings.
Our products are precisely matched to globally renowned excavator brands such as Caterpillar, Komatsu, Volvo, Hitachi, Doosan, Sany, and XCMG.
Our hydraulic cylinders are fully compatible with mainstream equipment of major brands:
- For excavators: Cover full tonnage models (20–800t) including CAT-345 (45t-class), CAT-6060 (600t-class), KOMATSU-PC5500 (550t-class), HITACHI-EX8000 (800t-class), etc.
- For mining trucks: Fit mainstream models like CAT-735 (50t-class), HITACHI-EH4500 (400t-class), meeting hydraulic system needs from light to ultra-heavy mining trucks.
Should you need to view more model compatibility charts, you can download the complete manual at the bottom of the article. We also supply a wide range of other hydraulic products.
Customization
Field Tested in Mining Areas
STONE is a leading supplier of engineering machinery parts, focusing on providing high-quality parts for mining companies. Since its establishment in 2004, we have been based in Shanghai, China, and have built our own brand STONE, becoming a trusted choice in the industry. Our hydraulic cylinders are built to withstand harsh operating conditions and deliver stable and reliable performance; a mine site supervisor reported that the undercarriage components and cylinders provided by STONE are comparable in quality to original equipment manufacturers. We provide cost-effective solutions to ensure the long-term and stable operation of mining equipment.
STONE- Mining Machinery Parts Expert In China
We offer a wide variety of equipment and parts, including but not limited to bulldozers, excavators,
loaders, mining trucks, rollers, motor graders, and more.
Be used in a wide range of industries.
We're professional hydraulic parts manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade hydraulic parts for sale here from our factory.