China Undercarriage Parts Manufacturers, Carrier Roller Suppliers, Track Chain Factory - STONE(Shanghai) Engineering Machinery Co.,Ltd

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We have established long-term cooperative relations with many Mining Company.

Slew Gear Bearing 227-6099 For CAT 390D Excavator

The slew gear bearing is a tailor-made core component for the Caterpillar 390D model. Manufactured from premium...

BOOM CYLINDER 204-2823 For Cat365C Excavator

The 365C Cat boom cylinder adopts a dual-cylinder symmetrical layout, with a single cylinder bore of 190 mm and a...

Slewing Ring Gear 227-6089 For Cat336D Excavator

The slewing ring gear is custom‑built for the 336D excavator and serves as the core component connecting the upper...

EX3600 Track Roller 1021729 For Hitachi Mining Excavator

The EX3600 track roller is a core load-bearing undercarriage component specifically designed for Hitachi EX3600...

CAT BUCKET CYLINDER 3675217 For 349D Excavator

The CAT bucket cylinder of the model 349D is located between the arm and the bucket, connected via a rocker and...

CAT Stick Cylinder 370-6692 For 349D Excavator

The stick cylinder of the Caterpillar 349D is a core actuator that controls the extension and retraction of the...

Excavator Hydraulic Pumps 627-1315 For CAT395

Manufactured in strict compliance with Caterpillar OEM standards, this product achieves perfect compatibility with...

CAT BOOM CYLINDER 2254523 For 349D Excavator

The boom cylinder of the Caterpillar 349D excavator is a core executive component of the machine, primarily...

STONE Series Products

Undercarriage

·Our undercarriage parts fully match original equipment manufacturer specifications, are suitable for all major brands of excavators and bulldozers, and are designed for harsh working conditions.

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Ground engaging tools

· Our buckets, blades and other grounding parts are made of high-quality alloy steel and undergo a special heat treatment process to

significantly improve their hardness and toughness.

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Transmission parts

· We supply a full range of core transmission components such as travel motors, slewing bearings, reducers, slewing motors, etc., with precise transmission and greatly reduced failure rate.

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Hydraulic parts

· 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.

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Other parts

· We offer a wide variety of equipment and parts, including but not limited to specialized parts for loaders, mining trucks, rollers, motor graders, and more.

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Make Construction More Easier

We provide you with the best construction solutions.

5G Remote Control Empowers Smart Mines

STONE At The 21st International Mining & Mineral Recovery Exhibition

Made For Mining Construction!

Over 5800 Hours Without Maintenance Work!

About STONE

Leading the construction machinery industry since 2004

STONE(Shanghai) Engineering Machinery Co.,Ltd is a maintenance base for construction machinery parts, specializing in providing maintenance services and parts for mining enterprise equipment. Our team was established in 2004 and is headquartered in Shanghai, China. It has a registered capital of 15 million yuan and has a completely independent brand STONE. We specialize in the production and supply of spare parts for Bulldozers, Excavators, and Wheel Loaders. Our detailed catalog offers a complete selection of OEM parts including Track Chain, Track Rollers, Sprocket, Excavator Buckets, Blades, Excavator Cylinders, Swing Circles and more. Also offers a wide range of electrical and hydraulic parts.

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