SWAFLY High-Performance Hitachi ZX490LCH-5A Excavator Boom Cylinder (CYL.;BOOM) Replacement Part Number: YA00028286H1, YA00028286H1
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SWAFLY High-Performance Hitachi ZX490LCH-5A Excavator Boom Cylinder (CYL.;BOOM) Replacement Part Number: YA00028286H1, YA00028286H1
Product Detail for Hitachi ZX490LCH-5A Boom Hydraulic Cylinder
SWAFLY is your trusted global supplier for premium **engineering machinery spares** and **construction equipment accessories**. We specialize in providing high-quality replacement parts, including this crucial **Boom Cylinder (CYL.;BOOM)** designed specifically for the Hitachi ZX490LCH-5A excavator. The official Hitachi parts numbers for this hydraulic component are YA00028286H1 and the non-hyphenated version YA00028286H1.
As a cornerstone of our **heavy equipment engine parts** portfolio, this boom cylinder ensures optimal lifting and operating performance of your **Hitachi ZX490LCH-5A** machine. Our extensive inventory covers everything from **hydraulic pump repair kit** components to complete **engine overhaul kit** sets, guaranteeing minimized downtime. We are committed to supplying reliable **excavator hydraulic cylinder** units and a wide range of **hydraulic main pump** assemblies for various models, ensuring your equipment operates at peak efficiency.
Our Core Business Focus: Comprehensive Engineering Machinery Components
SWAFLY excels in supplying a complete range of **engineering machinery accessories**. Our main offerings include **hydraulic components**, **engine parts**, **electrical components**, and **undercarriage components** for major brands. Key products include **final drive motor** units, **travel gear box** assemblies, robust **track chain assembly** links, and precision **swing bearing slew ring** parts. Our commitment to quality ensures that whether you need a **solenoid valve assembly** for precise control or a **radiator oil cooler** for thermal management, you receive components that meet or exceed OEM specifications. We also stock critical items like **boom arm bucket pins** and robust **seals kit** packages for various hydraulic systems. We are a reliable source for **heavy equipment undercarriage parts**, **excavator track roller assembly**, **dozer idler wheel**, **skid steer loader bucket teeth**, **motor grader cutting edge**, **wheel loader transmission parts**, **mini excavator joystick control**, **compact track loader rubber tracks**, **rock breaker chisel tools**, **turbocharger cartridge** replacements, **hydraulic breaker pipeline** kits, and **fuel injector pump assembly**. These specialized components are vital for maintaining the performance and longevity of your heavy machinery.
Engineering Machinery Component Glossary
Final Drive Motor: Converts hydraulic power into mechanical torque to drive the track. (e.g., Caterpillar D6T Final Drive Motor)
Travel Gear Box: A reduction gear assembly attached to the final drive motor. (e.g., Komatsu PC200-8 Travel Gear Box)
Slew Ring Bearing: A large bearing allowing the upper structure to rotate relative to the undercarriage. (e.g., Volvo EC480D Slew Ring Bearing)
Hydraulic Main Pump: Generates the high-pressure fluid flow needed for all hydraulic functions. (e.g., JCB 3CX Hydraulic Main Pump)
Track Roller: Supports the weight of the machine and guides the track chain. (e.g., Deere 350G Track Roller)
Boom Arm Bucket Pin: High-strength pins used at the pivot points of the work attachment. (e.g., Hyundai R220LC-9S Boom Arm Bucket Pin)
Solenoid Valve: An electrical control that regulates the flow of hydraulic fluid. (e.g., Doosan DX300LC Solenoid Valve Assembly)
Turbocharger Cartridge: The core rotating assembly of the turbocharger, vital for engine performance. (e.g., Cummins QSK60 Turbocharger Cartridge)
Radiator Oil Cooler: A heat exchanger unit that keeps the hydraulic oil or engine coolant at optimal temperature. (e.g., Liebherr R954 Radiator Oil Cooler)
Engine Overhaul Kit: A comprehensive set of internal parts (gaskets, rings, bearings) for full engine rebuild. (e.g., Isuzu 6WG1 Engine Overhaul Kit)
Understanding the Hitachi ZX490LCH-5A Boom Cylinder
The **Boom Cylinder (Part No. YA00028286H1 / YA00028286H1)** is a critical double-acting hydraulic actuator on the Hitachi ZX490LCH-5A excavator. It is mounted between the machine's body and the boom structure. Its primary function is to lift and lower the boom, controlling the main vertical movement of the attachment. Due to the immense forces and cyclical loads it handles, using high-quality replacement parts like the SWAFLY unit is essential for maintaining the lifting capacity and stability of the heavy-duty **ZX490LCH-5A** excavator. Proper maintenance, including timely replacement of the internal **seals kit**, prevents leaks and pressure loss, which are common causes of boom drift.
Troubleshooting Tip: Heavy Machinery Hydraulic System
Problem:
A **Caterpillar 345D** excavator experiences 'Boom Drift' – the boom slowly lowers under load even when controls are centered.
Common Cause & Solution:
This is frequently caused by internal leakage in the **Boom Cylinder** (like the **YA00028286H1** on a **Hitachi**) due to worn piston seals, or issues with the main control valve's spool or load check valve. The initial steps should be to check the boom cylinder seals using a pressure decay test. If seals are the issue, replace the **seals kit**. If the cylinder is sound, inspect the main control valve for contamination or sticking spools. Timely maintenance and using quality **excavator hydraulic parts** can prevent this dangerous issue.
Connect with SWAFLY for All Your Heavy Equipment Needs
SWAFLY is dedicated to providing superior **heavy equipment engine parts**, **hydraulic components**, and **undercarriage components** worldwide. Our robust inventory and global logistics network ensure fast delivery of the parts you need, from **Hitachi ZX490LCH-5A** parts to spares for all major brands.
Visit our comprehensive websites:
www.swaflyparts.com | www.hitachi-isuzuparts.com | www.mttparts.com | www.kubotaengine.ca | www.machineryengine.com
Beyond Standard Inventory: Custom Manufacturing Services!
Need a specific **Boom Cylinder** variant or a specialized **Boom Arm Bucket Pin** for a unique application? SWAFLY supports **customized development** and manufacturing of various **engineering machinery parts**, including hydraulic cylinders, pins, and complex metal components. Contact us with your specifications for tailor-made solutions!
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SWAFLY High-Performance Hitachi ZX490LCH-5A Excavator Boom Cylinder (CYL.;BOOM) Replacement Part Number: YA00028286H1, YA00028286H1
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