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Hydraulic Quick Couplers: Universal quick-connect couplers compatible with Volvo, Caterpillar, and Komatsu equipment, suitable for hydraulic breakers and shears

Name: Hydraulic Quick Couplers: Universal quick-connect couplers compatible with Volvo, Caterpillar, and Komatsu equipment, suitable for hydraulic
Brand: We are MEISON, the international sales department of Dongxu Hydra
Price: 5 USD
Availability: InStock

Short Description:Hydraulic pressure test quick-connect fittings for construction machinery, specifically designed for the hydraulic systems of three major brands, allow for quick connection of pressure test hoses and resolve the issue of incompatible connectors across different models.

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Description

Comparison of Specifications for Volvo, Caterpillar, and Komatsu

Comparison Item	Volvo Quick Coupler	Caterpillar (CAT) Quick Coupler	Komatsu Quick Coupler
Compatible Brand	Volvo	Caterpillar (CAT)	Komatsu
Core Application	Dedicated for hydraulic pressure testing on Volvo equipment	Dedicated for hydraulic pressure testing on CAT equipment	Dedicated for hydraulic pressure testing on Komatsu equipment
Compatible Models	Volvo excavators, loaders, articulated haulers, etc.	CAT excavators, bulldozers, loaders, etc.	Komatsu excavators, loaders, bulldozers, etc.
Connection Type	Screw-in / quick-connect with dust cap chain	Screw-in / quick-connect with dust cap chain	Screw-in / quick-connect with dust cap chain
Pressure Rating	Matches system working pressure (≥600 bar)	Matches system working pressure (≥600 bar)	Matches system working pressure (≥600 bar)
Port Specification	Matches original Volvo test port thread/size	Matches original CAT test port thread/size	Matches original Komatsu test port thread/size
Material	High-strength carbon steel with zinc-plated anti-corrosion finish	High-strength carbon steel with zinc-plated anti-corrosion finish	High-strength carbon steel with zinc-plated anti-corrosion finish
Compatible Accessories	Universal hydraulic test hoses and gauge kits	Universal hydraulic test hoses and gauge kits	Universal hydraulic test hoses and gauge kits
Key Benefit	Solves non-standard interface issues on Volvo machines	Solves non-standard interface issues on CAT machines	Solves non-standard interface issues on Komatsu machines

Product Introduction

This is a quick-change coupler mounted at the end of an excavator’s boom, designed to facilitate the rapid switching between different front-end attachments. Compatible with multiple excavator models from the three major brands—Volvo, Caterpillar, and Komatsu—this product supports the quick attachment and removal of various tools, including buckets, hydraulic breakers, hydraulic shears, rippers, and log grapples. It enables users to achieve multi-purpose operation with a single machine, expand their scope of work, and improve equipment utilization.

Key Features
Universal Compatibility: Compatible with Volvo, Caterpillar, Komatsu, and major domestic brands (Sany, XCMG, etc.), covering excavators from 4 to 45 tons.
One-Button Quick Change: Hydraulically operated from the cab, switching between attachments such as buckets, hydraulic breakers, and hydraulic shears takes just 1–2 minutes.
High Strength and Durability: Cast from high-strength alloy steel, it offers impact resistance and wear resistance, making it suitable for harsh working conditions in mining, construction, and other industries.
Multi-Layer Safety: Equipped with a hydraulic locking mechanism, sensor monitoring, and visual alerts to prevent accidental detachment, and compliant with ISO/CE safety standards.
Low Maintenance Costs: Features internal hoses or a lubrication-free design to extend service life and reduce routine maintenance.

Applications
Suitable for a wide range of applications, including earth excavation, demolition and crushing, material handling, and special conditions (such as frozen ground and trenching), it supports quick attachment changes—including buckets, hydraulic breakers, hydraulic shears, log grapples, and ripper teeth—to improve equipment utilization and reduce downtime.

Fault diagnosis and troubleshooting for components such as hydraulic pumps, directional control valves, and cylinders.
System pressure testing during routine equipment maintenance to predict potential failures.

Packaging & Delivery

Secure Industrial Protection: Each cooler is individually packaged in reinforced, shock-absorbent crating to protect the cooling core and fittings during transit.
Global Fulfillment: Factory-direct dispatch with optimized logistics support to reach industrial hubs in Europe, North America, and Asia with minimal lead time.
Documentation Ready: Provided with full technical and export documentation to ensure hassle-free customs clearance and installation.

Certification & Quality Assurance

Global Standards: Manufactured under strict ISO9001, ISO14001, and ISO10012 quality management systems.
Long-Term Reliability: Engineered for an operational lifespan of 10+ years, providing a foundation of stability for your heavy-duty machinery.
Rigorous Integrity Testing: Every DC unit undergoes comprehensive pressure-testing to ensure leak-free operation and structural durability under load.

The MEISON Advantage

Factory-Direct Expertise: "Factory-Direct Expertise. Professionally Curated." — 20+ years of manufacturing leadership in hydraulic components.
Global Trusted Partner: Over 1,000,000 units sold to 6,000+ satisfied customers worldwide.
Innovation & R&D: 60+ technical patents support our commitment to high-performance, precision-engineered hydraulic components.
Cinematic Industrial Image: Our design focus on technical authority and professional aesthetics helps you build immediate, long-lasting trust with your B2B customers.

FAQs

（Frequently Asked Questions）

You are manufacturer or trading company?

We are a direct manufacturer, Dongxu Hydraulic Machinery Co., Ltd.
This means you get the most competitive factory price and direct technical support. There are no middlemen or traders involved. You are welcome to visit our factory at any time.

Can I have OEM service and put my logo on products or packaging?

Yes, OEM service is available. We offer customized solutions including brand logo printing, custom color painting, special thread types (G/BSPT/NPT), and SAE flange connections. Your brand identity is respected .

What is the lead time for this model?

It depends on the quantity. Shipment typically occurs within 10–15 business days after order confirmation. For large OEM orders, please contact us for confirmation.

What warranty services do you offer?

We offer a 12-month comprehensive warranty. In addition, we provide extended warranty and maintenance packages.

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Hydraulic Quick Couplers: Universal quick-connect couplers compatible with Volvo, Caterpillar, and Komatsu equipment, suitable for hydraulic breakers and shears

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