Construction Machinery Bushings: Core Hinge Components for Harsh Operating Conditions
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Release time:
Apr 08,2026
The bushing is an original-equipment, standard hinge bushing for construction machinery, specifically designed for critical hinge joints such as the boom, stick, frame, and connecting rods of excavators, loaders, and other equipment. It is a core wear part that ensures precise, stable, and durable machine operation.
I. Product Positioning and Compatible Models:
As a dedicated component certified under the Komatsu KES quality system, the bushing is primarily compatible with Komatsu’s mainstream excavator models:
PC200, PC210, PC220, PC240, PC270
PC300, PC360, PC400, PC450, etc.
II. Core Performance Advantages (Komatsu OEM Standards):
High-precision dimensions, perfect fit
Strictly adheres to Komatsu’s original factory drawings, with precise tolerances for inner diameter, outer diameter, and wall thickness, ensuring a snug, gap-free, and backlash-free installation.
High-wear-resistant material, ultra-long lifespan
Resistant to extreme operating conditions, stable and reliable
It can withstand severe impacts, high-frequency reciprocating oscillations, and erosion from mud, sand, and dust.
Effectively protects pin joints and structural components, significantly reducing maintenance frequency and downtime losses.
III. Typical Specifications (Examples):
Bushing specifications: inner diameter 50 mm / outer diameter 70 mm / thickness 65 mm
Bushing specifications: inner diameter 60 mm / outer diameter 80 mm / thickness 75 mm
Bushing specifications: inner diameter 80 mm / outer diameter 100 mm / thickness 90 mm
IV. Our Sleeve Series’ Comprehensive Competitive Advantages:
Xiaosong is an approved supplier, providing long-term, stable deliveries with quality consistent with the original manufacturer.
Customization based on your drawings is supported, offering excellent value and making us the first choice in the aftermarket.
V. Applicable Scenarios:
OEM assembly
Major overhauls and refurbishments of equipment
Replacement by repair shops, rental companies, and end customers
Global Komatsu dealerships, foreign trade exports
In summary, bushings are the standard “joint” components for Komatsu construction equipment, and their quality directly determines the precision and durability of machine operation. Manufactured to original Komatsu specifications, we provide global customers with stable, reliable, and cost-effective bushings that help ensure efficient operation and long-term, trouble-free performance.
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Contact Information
Address: No. 39-6-1, No. 2, Gangxing Street, Economic and Technological Development Zone, Dalian City, Liaoning Province
Telephone:0411-88035927
Fax:0411-88035927
Mailbox:liuchunhong@dlbhxs.com
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