Komatsu PC170-11 PC170LC-11 Hydraulic Arm Cylinder 707-E1-02610 120mm Bore Aftermarket
High-quality aftermarket Dipper/Arm Hydraulic Cylinder Part No.707-E1-02610, direct OEM replacement for Komatsu PC170-11 & PC170LC-11 excavator. Controls arm extend & retraction for digging, trenching, loading and earthmoving jobs. Strictly manufactured per original Komatsu drawing, identical mounting hole, pin dimension and oil port position for direct bolt-on installation without machining modification.
| Item | Specification |
|---|---|
| Product Name | Hydraulic Stick/Arm Cylinder |
| Applicable Model | Komatsu PC170-11, PC170LC-11 |
| OEM Part Number | 707-E1-02610 |
| Product Grade | Brand New High Aftermarket Quality |
| Warranty | 12 months against manufacturing defects |
| MOQ | 1PC available for spot order |
| Certification | ISO9001, CE |
| Parameter | Value |
|---|---|
| Bore Diameter | 120mm |
| Piston Rod Diameter | 85mm |
| Working Stroke | 1342mm |
| Rated Working Pressure | 37.3MPa(5400PSI) |
| Factory Hydraulic Test Pressure | 56MPa(8120PSI,1.5 times working pressure) |
| Barrel Material | ST52 seamless alloy steel, precision deep honing inner wall |
| Piston Rod | Medium carbon steel + hard chrome plating 28~35μm, hardness HRC68~70, anti-abrasion & anti-rust |
| Complete Seal Set | Imported PU+NBR composite seals, high temperature & hydraulic oil resistant |
| Operating Temperature | -25℃ ~ +85℃ |
| Design Service Life | ≥8000 working hours under regular heavy construction |
| Mount Style | Double ear pin connection with quenched wear-resistant steel bushings |
- 100% OEM Interchange: Same overall length, pin pitch and oil port layout as original 707-E1-02610, direct swap without modification.
- Heavy-duty Durability: Thickened cylinder tube and high-hardness chrome rod effectively resist bending, external impact and inner leakage under high-load excavation.
- Full Pressure Inspection: Every finished cylinder passes full oil tightness & fatigue pressure test before delivery to eliminate oil leak risk.
- Cost-effective Option: Same working performance as genuine Komatsu cylinder with competitive aftermarket price, save 30%-50% spare part cost.
- Flexible Shipment: Small order acceptable; Air freight 3~7 working days, sea shipping 30~40 days optional.
Our factory specializes in Komatsu aftermarket hydraulic cylinders for PC-10/11 series excavators over 12 years, covering boom/arm/bucket complete cylinder assemblies, products widely exported to Southeast Asia, Africa, Europe and North America construction parts dealers.
Q: Which excavator fits cylinder 707-E1-02610?
A: Exclusively for Komatsu PC170-11 and PC170LC-11 mid-size excavator arm assembly.
Q: Is it new or rebuilt cylinder?
A: Full brand-new aftermarket finished cylinder, not used core or refurbished unit.
Q: What is the warranty range?
A: 12-month warranty for factory quality problem; exclude man-made damage and improper installation.
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