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WESPC Wiring Harness 559-4274 For 330 and 330GC series Diesel Engines
WESPC Wiring Harness 559-4274 For 330 and 330GC series Diesel Engines
Brand Name
WESPC
Place of Origin
China
Part Number
559-4274
After-sales Service Provided
Video Technical Support, Online Support
Marketing Type
Ordinary Product
Certificate
ISO9001
Warranty
1 Year
Stock
Yes
Application
The 559-4274 Wiring Harness functions as an external Chassis/Main Wiring Harness specifically engineered for 30-ton class hydraulic excavator platforms (330 and 330GC series). This heavy-duty harness serves as the primary electrical backbone connecting the operator cab to the main frame and chassis systems, facilitating comprehensive power distribution and signal transmission between critical machine components.
This harness is designed to connect the auxiliary circuit, main circuit, main chassis systems, and starter relay, ensuring reliable electrical connectivity for starting systems and auxiliary power distribution. It is extensively utilized across standard excavator models and general construction configurations, compatible with machines powered by 7.1-liter displacement diesel engines featuring advanced turbocharging technology.
Protection Rating: IP67-rated sealed connectors providing protection against dust, moisture, and hydraulic fluid ingress
Harness Architecture: Multi-conductor bundles with strategic branching points for connection to starter relays, auxiliary circuits, and chassis monitoring systems
Electrical Testing: 100% electrical continuity testing and insulation resistance verification before dispatch
Application Function: Primary electrical distribution for starter systems, auxiliary circuits, and main chassis power feeds
Material & Performance Features
The wiring harness is manufactured utilizing premium-grade cable materials certified to international quality standards, ensuring exceptional electrical safety and performance consistency. Conductors feature high-purity oxygen-free copper with precision tin plating, delivering superior electrical conductivity and corrosion resistance in harsh operating environments exposed to hydraulic fluids, diesel spillage, abrasion, and weather elements.
The harness features high-temperature resistant insulation materials capable of continuous operation at 150°C, with specialized compounds formulated to resist diesel fuel, ozone cracking, and UV degradation. The jacket materials maintain flexibility in extreme temperature conditions while preventing embrittlement in freezing temperatures prevalent in severe operating environments.
Interchange Part Numbers
559-4274; 5594274; CA5594274
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Trading Company
Year Established:
2019
Total Annual:
300,0000-450,0000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
WESPC(Dongguan)Tech Co., Ltd. is a wholly-owned subsidiary of WESPC Hong Kong.
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