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WESPC Wiring Harness 549-9283 For 20 ton to 30 ton class hydraulic excavator
Brand Name
WESPC
Place of Origin
China
Part Number
549-9283
After-sales Service Provided
Video Technical Support, Online Support
Marketing Type
Ordinary Product
Certificate
ISO9001
Warranty
1 Year
Stock
Yes
Application
The 549-9283 Wiring Harness functions as a Main Control Valve Wiring Harness (also referenced as Distribution Solenoid Valve Harness) specifically engineered for 20-ton to 30-ton class hydraulic excavator platforms. This harness serves as the critical electrical conduit transmitting signals between the machine's electronic control systems and the hydraulic distribution valve assembly, enabling precise control of hydraulic functions.
It is extensively utilized across multiple next-generation excavator configurations, including standard excavator models, general construction variants, and material handler adaptations. The harness is compatible with machines powered by 4.4-liter and 6.6-liter displacement diesel engines featuring advanced turbocharging and electronic fuel injection technology, supporting the electrical infrastructure for main hydraulic control valve systems.
Technical Specifications
Harness Type: Main control valve wiring harness / Distribution valve solenoid harness
Compatible Equipment: 320GC, 323GC, 326GC, 330GC, 333GC, 336, 340 class hydraulic excavators; MH3040, MH3050, MH3250 material handlers
Engine Compatibility: 4.4-liter and 6.6-liter displacement diesel engines with turbocharging and electronic fuel injection
Voltage Rating: 24V DC heavy-duty construction equipment electrical systems
Physical Dimensions: Compact design optimized for tight spaces where large numbers of wires require organization
Weight: Approximately 1.0-1.5 kg (2.2-3.3 lbs)
Connector Systems: Multi-pin configurations utilizing Deutsch DT series and other environmentally sealed terminal technologies
Conductor Material: High-purity oxygen-free copper with tin plating for corrosion resistance
Wire Gauge: Automotive-grade multi-strand copper conductors (typically 16-20 AWG range for signal and control circuits)
Circuit Configuration: Multi-conductor bundle designed for pump pressure sensors, solenoid controls, and hydraulic valve actuation
Temperature Rating: High-temperature resistant materials capable of withstanding continuous operation up to 105°C
Protection Rating: Environmentally sealed connectors providing IP67 protection against dust, moisture, and hydraulic fluid ingress
Harness Architecture: Precision-organized wire bundling to reduce short circuit risks and optimize space utilization in confined areas
Electrical Testing: 100% electrical continuity testing and insulation resistance verification before dispatch
Application Function: Primary electrical interface for main control valve pressure sensors, heavy lift solenoids, bucket retract solenoids, and hydraulic system control circuits
Material & Performance Features
The wiring harness is manufactured utilizing high-quality cable materials certified to international 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 105°C, with specialized compounds formulated to resist the buildup of volatile substances and maintain signal integrity under thermal stress. The low-resistance design effectively reduces electrical losses and ensures reliable signal transmission for precise hydraulic control.
Interchange Part Numbers
549-9283; 5499283; CA5499283
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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