Showing Slide 1 of 8: YNF-140 284B excavator coupling rubber connector

284B excavator coupling replacement part

Excavator rubber drive coupling assembly

YNF-140 engine power transmission coupling

Excavator engine connection rubber component

Construction equipment coupling spare part

Heavy machinery rubber drive connector supplier

YNF-140 284B Excavator Coupling Rubber Drive Connector for Engine Power Transmission Repair

YNF-140 284B coupling provides flexible power transmission and vibration absorption for excavator engine connection maintenance.

Designed for 284B construction machinery coupling applications
Used as an engine drive coupling and flexible rubber connector
Helps transmit rotational power between connected mechanical components
Flexible rubber construction helps absorb vibration and operating shock
Helps reduce mechanical impact on connected drivetrain components
Suitable for equipment repair and scheduled maintenance

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284B Coupling Description

YNF-140 284B Coupling is a flexible rubber connection component designed for construction machinery power transmission and maintenance applications. The coupling is used between connected drive components to help transmit rotational power while providing a degree of flexibility between the connected shafts or assemblies.

Its rubber construction allows vibration and mechanical shock to be absorbed during machine operation, helping reduce unnecessary impact on connected components. As a flexible excavator coupling replacement, it can be used when an original coupling has become worn, cracked, or damaged after prolonged service.

For construction machinery parts wholesalers and repair workshops, couplings are important maintenance components because wear can occur under continuous vibration and load. Keeping commonly required rubber couplings and drive connection parts in stock can help shorten repair time and improve after-sales service.

YNF Machinery supplies aftermarket construction machinery parts with competitive wholesale pricing and stable supply support for global B2B customers.

284B Coupling Technical Data Sheet

Parameter	Specification
YNF Part Number	YNF-140
Product Name	Coupling
Alternative Name	Rubber Coupling / Drive Connector / Flexible Coupling / Connection Rubber
Compatible Model	284B
Product Category	Power Transmission Parts
Installation Position	Engine / Drive Connection
Function	Power Transmission and Vibration Absorption
Material	Rubber
Manufacturing Process	Rubber Molding
Application System	Drive / Transmission System
Product Type	Aftermarket Replacement Part
Condition	New
Brand	YNF
Origin	China
MOQ	1 Piece
Packaging	Standard Export Package
Shipping Method	Air Freight / Sea Freight / Express
Payment Terms	T/T, PayPal, Western Union

284B Coupling Applications

Application Field	Description
284B Machinery	Used for coupling replacement and maintenance
Engine Drive System	Supports flexible power transmission
Construction Equipment Repair	Suitable for drivetrain maintenance
Machinery Workshop	Used to replace worn rubber couplings
Spare Parts Distribution	Suitable for aftermarket inventory
Heavy Equipment Maintenance	Helps restore reliable mechanical connection

284B Coupling Detail Display

FAQs

Frequently Asked Questions

Q: What is YNF-140 284B Coupling used for?
A: It is used as a flexible connection component for power transmission and vibration absorption.

Q: What material is the coupling made from?
A: The coupling is manufactured from rubber.

Q: Is YNF-140 suitable for wholesale purchase?
A: Yes. It is suitable for machinery parts distributors and repair workshops.

Q: Can YNF supply other coupling parts?
A: Yes. Couplings and related construction machinery spare parts can be supplied according to model and application.

Get Quote for 284B Coupling

YNF Machinery supplies excavator and construction machinery coupling parts for overseas distributors, repair workshops, and equipment maintenance businesses.

The YNF-140 284B Coupling is manufactured as a flexible rubber connection component for power transmission applications. Its flexible structure allows vibration and mechanical shock to be absorbed while maintaining a stable connection between drive components.

For B2B buyers, rubber couplings are practical maintenance products that can be stocked for repair and replacement requirements. YNF supports distributors with competitive wholesale pricing, flexible MOQ, stable supply, and professional export packaging.

Whether you operate a machinery parts store, repair center, or regional distribution business, YNF-140 provides a practical aftermarket solution for coupling maintenance.

Contact YNF Machinery for quotation and product availability.

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