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Genuine Performance with Growshine Quality

Welcome to Growshine International, your premier source for high-specification engineering machinery parts. We proudly present the essential **Slewing Support** bearing designed for CATERPILLAR Rotary Digger models **315D** and **318D**. This crucial component ensures the smooth, controlled rotation of the upper structure of your excavator. Our commitment to reliable parts supply makes us a leader in the global spare parts trade, catering to heavy equipment transmission and construction equipment maintenance needs worldwide. The primary identification for this part is the highly sought-after OEM number **378-9608**, also referenced as **3789608**.

Growshine International: Your Global Parts Partner

As a dedicated import and export trade company, Growshine International (格莳国际) focuses on four core product categories: engineering machinery parts, heavy truck parts, agricultural machinery parts, and auto parts. We understand the complex supply chain demands for components like precision machined components and hydraulic system seals. Whether you need a simple brake valve replacement or a complete turbocharger upgrade, our vast inventory and expertise cover all off-road vehicle spares. Our business model is centered on providing reliable, high-quality spare parts to minimize construction equipment maintenance downtime. We are your reliable parts supplier, providing solutions for everything from bulldozer undercarriage systems to wheel loader steering assemblies.

Technical Glossary and Core Product Applications

Ensuring the correct function of your CATERPILLAR 315D and 318D is paramount. Beyond the **378-9608** Slewing Support, we stock thousands of components that are vital for heavy equipment transmission and diesel engine components. For example, replacing a track roller assembly on a bulldozer or fixing a gearbox synchronization issue on a truck are common requests we handle. We also specialize in front axle spindle kits and complex cab electrical harness components for various heavy equipment models. Trust Growshine for your high-quality spare parts, covering every aspect from simple diesel engine components to complex hydraulic control valves.

Essential Parts Explained:

• Hydraulic Pump: Converts mechanical power into hydraulic energy, installed in the engine compartment. Key for *KOMATSU PC200-8 Hydraulic Main Pump*.

• Turbocharger: Increases engine efficiency and power by forcing extra air into the combustion chamber, attached to the exhaust manifold. Essential for *CUMMINS ISX15 Holset Turbocharger*.

• Tie Rod End: Part of the steering mechanism, connects the steering rack to the steering knuckle, installed in the front suspension. Used in *TOYOTA Corolla 2015 Outer Tie Rod End*.

• Brake Caliper: Houses the brake pads and pistons, installed at the wheel hub. Critical for *VOLVO FH16 Disc Brake Caliper*.

• Crankshaft: Converts the linear motion of the pistons into rotational motion, located inside the engine block. Found in *CATERPILLAR C15 Crankshaft*.

• Injector Nozzle: Delivers fuel to the engine's cylinders, installed in the cylinder head. Required for *JOHN DEERE 6155M Fuel Injector Nozzle*.

• Oil Cooler: Cools the engine oil, typically located near the oil filter or radiator. Essential for *KENWORTH T680 Engine Oil Cooler*.

• Final Drive: A gear reduction system that transmits power to the tracks or wheels, located at the end of the drivetrain. Critical for *HITACHI ZAXIS 350 Final Drive Motor*.

• Hydraulic Cylinder Seal Kit: Prevents fluid leakage in the hydraulic system, installed inside the cylinder barrel. Needed for *JCB 3CX Backhoe Bucket Cylinder Seal Kit*.

• Water Pump: Circulates coolant through the engine and radiator, mounted on the engine block. Used in *DEUTZ F3L912 Water Pump*.

Understanding the Slewing Support (Swing Bearing)

The **Slewing Support** (also known as a slewing ring or swing bearing) with part number **378-9608** is the single most critical component enabling the rotation of the excavator's house. It consists of an inner ring, an outer ring, and rolling elements (balls or rollers). This large-diameter, multi-load bearing must handle axial, radial, and overturning moment loads simultaneously. Failure of the Slewing Support (often seen as excessive movement or noise in the swing function) can lead to catastrophic damage to the entire machine. Regular greasing and inspection for play are essential for long-term rotary digger performance and safety. Growshine guarantees the precision and durability of the **3789608** for your CATERPILLAR D-Series models.

CATERPILLAR Turbocharger Reference Chart

Below is a reference chart for various CATERPILLAR turbocharger part numbers, often associated with applications where the **378-9608** excavator is used. This illustrates our deep inventory in complex engine systems, a core offering from our engineering machinery parts division.

Need Parts for Heavy Forklifts and Container Handling?

As part of our commitment to supplying heavy truck parts and specialized engineering machinery components, we offer a dedicated range for KALMAR equipment.

The Best in Turbocharger Technology

Growshine International is proud to be your partner for critical engine components like turbochargers. We cover all major brands, ensuring you have access to the best technology for your engine, which is key for heavy truck and auto parts performance.

Featuring Brands: Garrett, Holset, BorgWarner, 3K, Schwitzer, IHI, Mitsubishi, Hitachi, CZ, Toyota, Komatsu, Bosch Mahle