71445811 Arm Cylinder Seal Kit for Fiat Hitachi Excavators FH220-3
71445811 Arm Cylinder Seal Kit Product Overview
As a dedicated manufacturer of premium hydraulic seal kits, our factory delivers the 71445811 Arm Cylinder Seal Kit, an essential component engineered for the Fiat Hitachi FH220-3 Excavator. This high-quality aftermarket kit is designed to restore and optimize the critical arm cylinder, ensuring the excavator”s precise and powerful movements are maintained. We understand that reliable hydraulic sealing is paramount for heavy equipment uptime and operational efficiency. Our 71445811 seal kit is meticulously crafted to prevent hydraulic fluid leaks, protect internal cylinder components from abrasive contaminants, and sustain optimal system pressure. This directly contributes to reduced maintenance costs and extended service life for construction machinery. As a wholesale supplier, we provide robust sealing solutions that meet stringent industry standards, offering a dependable alternative for equipment distributors and repair facilities.
Technical Specifications
| Specification | Detail |
| Part Number | 71445811 |
| Applicable Model | Fiat Hitachi FH220-3 Excavator |
| Cylinder Application | Hydraulic Arm Cylinder |
| Piston Size | 145mm |
| Condition | New, High-Quality Aftermarket |
| Material Composition | Durable Nitrile Butadiene Rubber (NBR), Polyurethane (PU), and Polytetrafluoroethylene (PTFE) compounds |
71445811 Seal Kit Main Components
| Main Component | Primary Function |
| Rod Seals | Seals the piston rod, preventing external fluid leakage and ensuring smooth operation. |
| Piston Seals | Creates a dynamic seal between the piston and cylinder bore, maintaining pressure differential. |
| Wiper Seals (Dust Seals) | Cleans the rod surface, preventing dirt and contaminants from entering the cylinder. |
| Wear Rings (Guide Bands) | Guides the piston and rod, preventing metal-to-metal contact and ensuring concentric movement. |
| Buffer Seals | Absorbs pressure spikes and protects the primary rod seal from high-pressure extrusion. |
| O-rings & Backups | Provides static and dynamic sealing for various internal connections and prevents seal extrusion under pressure. |
Core Advantages
•Precision Engineering: Ensures exact compatibility and seamless integration with Fiat Hitachi FH220-3 arm cylinders.
•Enhanced Durability: Manufactured from industrial-grade materials for superior resistance to wear, pressure, and temperature.
•Optimal Hydraulic Performance: Restores full hydraulic efficiency, crucial for precise and powerful arm movements.
•Cost-Efficient Solution: A reliable aftermarket alternative that significantly reduces overall maintenance costs and extends equipment lifespan.
Frequently Asked Questions (FAQ)
Q: Do you have any other excavator model repair seal kits ?
A: Yes. As the professional excavator seal kits manufacturer, we produce all the excavators repair seal kits, standard sizes and also support customization. Please tell us the part number seal kit you want.
Q: I can’t find the model I want. Are all your seal repair kits here?
A: No. We have more than tens of thousands seal kits. Here only a small part of them is shown. We have stock of all the seal kits for construction machinery. Please contact us!
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