5 / 8 / 10 Ton Mini Excavator Hydraulic Cylinders for Kubota / Yanmar /
Product Details
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| Attribute | Value |
|---|---|
| Product name | Hydraulic Cylinder |
| Pressure | 16Mpa-70Mpa |
| Power | Hydraulic |
| Dimension(L*W*H) | Depends on the model |
| Rod Diameter | Depends on the model |
| Maximum Stroke | Other |
| Inner Tube Diameter | 20mm-1500mm |
| Overall Length | Customized |
| Material | Steel, 45 Steel |
| MOQ | 1pcs |
- Internals: Cylinder barrel adopts GUOYUE EU/US metallurgical standard CD250 structure. Barrel material: 45#, 42CrMo, or 27SiMn. Bore honed to H8 precision with surface roughness Ra<0.4μm.
- Buffering: Multiple buffering options including fixed and floating buffer structures to ensure effective deceleration across various pressures and speed ranges.
- Welding: 100% ultrasonic impact treatment applied to all pressure-bearing and load-critical welds. This eliminates weld stress (removal rate ≥90%) and significantly enhances weld fatigue strength.
- Sealing: All cylinders exclusively use premium imported seals from Japan , Sweden Trelleborg, Germany Merkel, and GP. No domestic seals are utilized.
- Testing & Certification: Factory testing strictly complies with GB/T15622-2005 "Hydraulic Fluid Power - Test Methods for Cylinders" and internal premium standard Q/GAKY014-2023.
- Warranty: One-year warranty from shipment date. Free repair or replacement provided for defects arising from design or manufacturing within the warranty period.
- Precision Fit: Direct OEM replacement with brand-specific mounts/ports (ISO 16028 compliant)
- Heavy-Duty Rods: Hard-chromed 42CrMo rods resist side-load bending
- Seal Longevity: Triple-lip NBR/PU seals endure 500,000+ cycles
- Compact Power: High 250-bar pressure in tight spaces
- Corrosion Defense: Epoxy-coated tubes prevent pitting in wet environments
- Boom/Arm Cylinders: Trench digging, material handling
- Swing Drives: Precise 360° rotation control
- Bucket/Tilt Rams: Grading, loading, backfilling
- Blade Lift Cylinders: Slope leveling, stabilization
- Auxiliary Circuits: Hammer/grapple attachments
- Undercarriage Adjusters: Track tension maintenance
| Daewoo | Hitachi | Carter | Komatsu | Kobelco |
|---|---|---|---|---|
| Daewoo 55 arms | Hitachi 60-3 fight | Carter 306 hook | Komatsu 56 hook | God steel 55 hook |
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