| Attribute | Specification |
|---|---|
| COGENG Part Number | CG-VWH-20728258 |
| Replaces OEM Number | 20728258, VOE20728258 |
| Product Name | Volvo Premium Universal Main Wiring Harness Assembly |
| Application | Volvo Excavator Models: EC210, EC240, EC290, EC360, EC460 Series |
| Harness Type | Heavy-Duty Main Engine/Chassis Harness |
| Connector Type | OEM-Specification IP67 Sealed Connectors with Gold Plating |
| Wire Insulation | High-Temperature XLPE (150°C Continuous Rating) |
| Protection System | Double-Wall Convoluted Tubing + Abrasion-Resistant Sleeving |
| Environmental Rating | IP67 Protected Connectors, Oil-Resistant Construction |
| Quality Standard | ISO 9001, Exceeds Volvo OEM Specifications |
| Warranty | COGENG Limited 24-Month Warranty |
| NO | Number | Name | Qty |
| 1 | VOE20728258 | Cable harness | 1 |
| 2 | VOE23807658 | Sensor | 1 |
| 3 | VOE20459015 | Screw | 1 |
| 4 | VOE20524936 | Pressure sensor | 1 |
| 5 | VOE20450728 | Bolt | 1 |
| 6 | VOE20715095 | Closure | 1 |
| 7 | VOE23059821 | Guard plate | 1 |
| 8 | VOE21531072 | Temperature sensor | 2 |
| 9 | VOE13947621 | Plane gasket | 1 |
| 10 | VOE20405788 | Sleeve | 1 |
| 11 | VOE21291011 | Pressure sensor | 1 |
| 12 | VOE13947621 | Plane gasket | 1 |
| 13 | VOE20450707 | Tachometer | 1 |
| 14 | VOE20450694 | Screw | 1 |
| 15 | VOE20577135 | ECU | 1 |
| 16 | Bracket | 1 | |
| 17 | VOE20459022 | Nut | 1 |
| 18 | VOE20715330 | Cover Plate | 1 |
| 19 | VOE20450700 | Bracket | 1 |
| 20 | VOE20450997 | Bracket | 1 |
| 21 | VOE60110707 | Flangescrew | 1 |
| 22 | VOE4881440 | Cable tie | REQ |
Q: What Volvo models use the 20728258 wiring harness?
A: The 20728258 (VOE20728258) is a universal main wiring harness used across Volvo EC210, EC240, EC290, EC360, and EC460 excavators, spanning B, C, and D series models. It is the primary chassis harness connecting the cab, engine, and hydraulic control systems. Verify the part number on your original harness tag to confirm exact fitment.
Q: Does the 20728258 harness fit both my EC240 and EC460?
A: Yes, the 20728258 universal main wiring harness is a direct fit for the entire Volvo EC210 through EC460 excavator series. It is a common platform part designed to work across this weight class range. Please confirm the part number stamped on your original harness to ensure compatibility.
Q: What are symptoms of a failing main wiring harness on a Volvo EC series excavator?
A: Common signs include intermittent CAN bus communication errors, multiple warning lights illuminating simultaneously, engine derating or shutdown, specific hydraulic functions not responding, and erratic gauge cluster behavior. The heat, vibration, and environmental exposure on these machines accelerate harness insulation degradation
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