High Quality New Excavator Coupling 7Y0463 For CAT VOL-VO Doosan

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Coupling Information:

Couplings are mechanical elements used to firmly connect the driven shaft and the driven shaft in different mechanisms, so that they rotate together and transmit motion and torque. Sometimes it is also used for the connection of shafts with other parts such as gears, pulleys, etc. It usually consists of two halves, which are joined by a key or tight fit, fastened to the ends of both shafts, and then connected in some way. Couplings compensate for offsets (including axial, radial, angular or combined offsets) from both shafts due to inaccurate manufacturing installation, running deformation or thermal expansion; and reduced shock and vibration absorption.
1. The function of the coupling is to connect two shafts (active shaft and driven shaft) in different mechanisms to make it rotate together and transmit torque, and some couplings also have a cushioning, vibration damping and improving the dynamic performance of the transmission mechanism shaft system.
2. Eliminate the inertia of the radial force, connect the motor spindle with the load, and use the coupling to weaken the starting force when the motor starts.
3. The main function of the clutch: to gradually engage the engine and transmission to ensure the smooth start of the car; Temporarily cut off the connection between the engine and the gearbox to facilitate gear shifting and reduce the impact when shifting gears; When the car brakes suddenly, it can play a separate role in preventing overloading the transmission system such as the transmission, thus playing a certain protective role.

Guangzhou XIEBAGN MACHINERY CO., LIMTED

specialized in:

couplings, rubber mounts, gera parts, hydraulic seals and seal kits for hydraulic hammers, rock breakers, hydraulic excavators,wheel loaders, and JCB badkhoe loaders.

And, Our company also supply:

Engine parts, hydraulic piston pump and hydraulic travel motor, Swing motor assembly and hydraulic component parts, electric parts, etc. Hydraulic hammer breaker parts with piston, cylinder, chisel, through bolt, side bolt, top bush, front head bushing,accumlator, valve, etc.

We always try our best for all our customers and make it better and better. Welcome!

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Your Trusted Excavator Parts Supplier – Manufacturer & One-Stop Sourcing Solution

Looking for a reliable supplier of excavator parts? Whether you need OEM services or a complete range of parts, we provide the best solutions for your business. As both a manufacturer and trading company, we combine factory-direct prices with the convenience of one-stop sourcing, ensuring that you get high-quality parts at competitive prices.

At YNF Machinery, we specialize in excavator rubber parts and a wide range of excavator components. Our extensive experience and commitment to quality make us a trusted partner for distributors, wholesalers, and repair shops worldwide.

Why Choose YNF Machinery?

We are not just another supplier—we are your long-term partner for excavator parts. Here’s why businesses worldwide choose us:

✅ Largest Excavator Rubber Parts Factory in Southern China

Our factory is the biggest excavator rubber parts manufacturer in southern China. This means:
✔ Lower production costs, allowing you to increase your profit margins
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✅ Thousands of Products & Multiple Quality Levels

We offer a comprehensive range of excavator parts, covering various brands and models.
✔ Choose from thousands of product lines
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We have over 16 agents across China and are actively expanding our global presence.
✔ Looking for distributors and agents worldwide—let’s grow together!
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✅ 30+ Years of Industry Expertise

With decades of experience, we understand the excavator parts market inside out.
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✅ OEM Services & Customization

Looking to develop your own brand or need custom parts? We’ve got you covered!
✔ Our own factory can manufacture parts based on your designs and specifications
✔ We provide custom branding options to help you build your business
✔ From rubber parts to metal components, we can customize everything you need

✅ Office & Showroom in Guangzhou – Convenient Logistics

Our Guangzhou office and showroom allow for easy business meetings and fast shipping.
✔ View and inspect products before ordering
✔ Quick access to major ports for efficient global shipping
✔ Dedicated customer support team to assist with orders and inquiries

What Excavator Parts Do We Offer?

We cover all major excavator brands, including Caterpillar, Komatsu, Hitachi, Volvo, Kobelco, Doosan, Hyundai, JCB, Kubota, and more. Our product range is designed to keep your machines running efficiently and reduce downtime.