140mm Custom Hydraulic Boom Cylinder For Large Excavators 16MPa
Place of OriginChina
Brand NameGuoyue
CertificationCE
Model Numbercustomized
Minimum Order Quantity1 piece
Payment TermsT/T
Supply Ability2500 Ton/Tons Per Year
Product Details
Highlight:
Custom hydraulic boom cylinder
,140mm hydraulic boom cylinder
,16MPa boom cylinder excavator
Product Name:
Hydraulic Cylinder
Weight:
70
Power:
16MPa
Dimension(L*W*H):
630*150*150mm
Rod Diameter:
56mm
Maximum Stroke:
335mm
Outer Tube Diameter:
140mm
Inner Tube Diameter:
80mm
Material:
Customized
Usage:
Metallurgical Industry Machinery
Pressure:
Customized
Working Medium:
Hydraulic Oil
Technique:
Forging&Casting
Minimum Oeder Quantity:
1PCS
Certifications:
CE
Piston Seal:
Urethane Seal
Seals:
Chinese
Ship Cost:
Not Include
Product Description
Detailed Specifications & Features
OEM Non-Standard Boom Cylinder for Large Excavator
Product Specifications
| Attribute | Value |
|---|---|
| Product Name | Hydraulic Cylinder |
| Weight | 70kg |
| Power | 16MPa |
| Dimensions (L×W×H) | 630×150×150mm |
| Rod Diameter | 56mm |
| Maximum Stroke | 335mm |
| Outer Tube Diameter | 140mm |
| Inner Tube Diameter | 80mm |
| Material | Customized |
| Usage | Machinery |
Product Description
This plunger-type hydraulic cylinder is custom-built for large excavators and mobile machinery, featuring premium construction and rigorous quality control.
Key Features
- Tube Construction: Follows GUOYUE CD250 style with options for 45#, 42CrMo, or 27SiMn steel
- Precision Machining: Hole ground to H8 with surface roughness Ra under 0.4μm
- Component Materials: Head, base, ears, and piston made from 45# steel (no cast iron/steel)
- Slow-Down System: Choice of fixed or floating bumpers for controlled deceleration
- Welding Quality: Ultrasound testing on all heavy-load welds for stress reduction
- Premium Seals: Only uses Trelleborg (Sweden), Merkel and GP (Germany) seals
- Rigorous Testing: Each cylinder tested to GB/T15622-2005 and Q/GAKY014-2023 standards
- Warranty: 1-year coverage from shipment date with free repair/replacement for manufacturing defects
Technical Advantages
This heavy-duty cylinder combines strength with precision, featuring thick steel construction, hard chrome-plated rod, and leak-proof sealing. The telescopic design provides extended reach while maintaining compact storage dimensions.
Applications
Ideal for engineering machinery, mining operations, shipping, metallurgy, water conservancy, offshore applications, agriculture, and construction sites where smooth, powerful movement is essential.
Additional Specifications
| Seal Options | Parker, Merkel, Hallite |
| Paint Colors | Red, Grey, Yellow, Black (customizable) |
| Material Options | St52, CK45, 4140, Duplex2205, Stainless Steel 304/316 |
| Certifications | ABS, Lloyds, SGS |
| Packaging | Bubble-wrap with wooden case |
| Structure Types | Piston Type, Plunger Type, Telescopic Type |
| Power Source | Hydraulic & Pneumatic |

Company Information
Based in Jiangsu, China with 51-100 employees, we serve global markets including North America, Europe, Africa, and Asia. Our company specializes in hydraulic cylinder manufacturing with comprehensive R&D and production capabilities.
Quality Assurance
- Pre-production samples provided before mass production
- Final inspection conducted before shipment
Services
We accept FOB delivery terms and T/T payments in USD/EUR. Our team communicates in English and Chinese to ensure smooth transactions.
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