PC03-1R Coupling For Komatsu Excavator Hydraulic Pump Spare Parts

Product Description:

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Contact details

YINGFENG CONSTRUCTION MACHINERY LIMTED

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!

More Products:

21R-60-01100		TANK ASS'Y	Inquire	1	SN: 10001-UP
		TANK	Inquire	1	SN: 10001-UP
07041-13012		PLUG	Inquire	1	SN: 10001-UP
07002-03034		O-RING	Inquire	1	SN: 10001-UP
20N-60-41350		GAUGE	Inquire	1	SN: 10001-UP
20N-60-41360		BOLT	Inquire	2	SN: 10001-UP
20N-60-41370		GASKET	Inquire	4	SN: 10001-UP
21R-60-11120		STRAINER	Inquire	1	SN: 10001-UP
07000-02070		O-RING	Inquire	1	SN: 10001-UP
01010-50820		BOLT	Inquire	3	SN: 10001-UP
01643-30823		WASHER	Inquire	3	SN: 10001-UP
21R-60-11150		INSULATOR	Inquire	1	SN: 10001-UP
21S-60-11130		FILTER	Inquire	1	SN: 10001-UP
21S-60-11150		CARTRIDGE	Inquire	1	SN: 10001-UP
21R-60-11130		ELBOW	Inquire	1	SN: 10001-UP
21R-60-11140		ELBOW	Inquire	1	SN: 10001-UP
21R-62-12120		HOSE	Inquire	1	SN: 10001-UP
07281-00259		CLAMP	Inquire	2	SN: 10001-UP
01435-00816		BOLT	Inquire	4	SN: 10001-UP

Coupling information:

Common couplings are rigid cross bakelite disc type and flexible steel disc type.
YC6105QC diesel fuel injection pump coupling. When the cross bakelite disc drives, it can compensate the coaxiality error of the main and driven shafts.
The coupling of the CA6110-2 diesel engine adopts a flexible rigid plate structure. Its principle is basically the same as that of the coupling of the fuel injection pump of the Yuchai YC6105QC diesel engine, except that the flange plate is changed to two sets of transmission steel sheets, namely the active transmission steel sheets. Group and driven transmission steel sheet group, use the flexibility of its circular elastic steel sheet to compensate for a small amount of coaxiality deviation between the main and driven shafts.
3 The role of the fuel injection advance angle adjustment device

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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✔ Always find the right part, reducing time spent searching for suppliers

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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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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
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✔ 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.