4219781 4219780 Hydraulic Bucket Cylinder Assy with pipeline for EX400-5 ZX450-3 EX400 Excavator
Specification
Product Name |
Excavator Hydraulic Bucket Cylinder Assy |
Excavator Model | EX400-5 ZX450-3 EX400 |
Part Number | 4219781 4219780 |
Cylinder Tube | 25Mn Steel |
Cylinder Rod | 45Mn Steel |
Oil Seal | NOK and SKF seal kits |
Cylinder Process
1. Advanced Surface Treatment
Skived and burnished tube inner wall ensures high concentricity and smooth finish
Anti-rust coating and internal phosphating for extended service life
2. Precision Manufacturing
CNC robotic welding for consistent, durable joints
Strict dimensional accuracy for smooth assembly and operation
3. 100% Tested for Quality
Pressure-tested and inspected before shipment
Guaranteed leak-free performance under heavy load
4. Customization Available
OEM & ODM supported: size, stroke, port, mounting, and color can be tailored