71418514 Bucket Cylinder Seal Kit for Fiat Hitachi Excavator EX215 WX185
Product Overview
The 71418514 Bucket Cylinder Seal Kit is a precision-engineered specification solution designed exclusively for Fiat-Hitachi EX215 and WX185 excavator bucket cylinders. This kit restores factory sealing performance, eliminates hydraulic leaks, and withstands high-impact digging forces in demanding construction, demolition, and material handling operations.
Technical Specifications
| Compatible Models | Fiat-Hitachi EX215-1/EX215-2, WX185 |
| Target Component | Bucket Hydraulic Cylinder (Double-Acting) |
| Pressure Range | 0–32 MPa (4,640 PSI) – Matches EX215/WX185 hydraulic specs |
| Temperature Tolerance | -25°C to +110°C (-13°F to +230°F) – Validated for demolition/construction use |
| Dynamic Seals Material | Hydrogenated Nitrile (HNBR) – ASTM D5963 Grade M (Abrasion resistance: 15% improvement vs. NBR) |
| Static Seals Material | Fluorocarbon (FKM) O-Rings – ISO 3601-1 Class A (Shore A 75±5) |
| Guide Components | Bronze-Filled PTFE – Coefficient of friction: 0.04–0.09 |
Seal Kit Components
| 1. HNBR Dual-Action Piston Seal | Maintains 32 MPa pressure under high-impact digging. |
| 2. Reinforced Rod Seal (HNBR) | Triple-lip design prevents grit ingress in demolition debris. |
| 3. Steel-Backed Wiper | Removes concrete fragments/abrasives. |
| 4. Heavy-Load Guide Rings | PTFE-bronze composite resists sideloads during trenching. |
| 5. FKM Flange Seals | Seals hydraulic ports against pressure spikes up to 32 MPa. |
| 6. Anti-Extrusion Sets | Prevents seal blowout during bucket shock loads. |
Key Features
✅ Exact OEM Dimensions: Laser-scanned to Fiat-Hitachi EX215/WX185 factory specs (±0.03mm).
✅ Demolition-Grade Durability: HNBR withstands 10,000+ cycles in concrete debris.
✅ Zero-Leak Performance: Quad-lip rod seal reduces leakage by 40% vs. standard designs.
✅ Cost Efficiency: 55% longer lifespan than generic kits.
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!
Contact Us
For more information or to request a quote, please contact us or directly email [email protected].
