| Category | Specification |
|---|---|
| COGENG Part Number | CG-KOM-2080676830 |
| OEM Reference | 208-06-76830 |
| Construction Standard | Komatsu OEM Specifications |
| Wire Insulation | Oil-Resistant XLPE |
| Connector Rating | IP67 (Waterproof & Dustproof) |
| Temperature Range | -40°C to 125°C |
| Voltage Rating | 24V DC System |
| Quality Validation | 100% Circuit Testing |
| Warranty | 18-Month Limited Warranty |
| NO | Number | Name | Qty |
| 1 | 208-06-76831 | WIRING HARNESS | 1 |
| 208-06-76830 | WIRING HARNESS | 1 | |
| 2 | 08020-20000 | • DIODE | 2 |
| 3 | 08041-00500 | • FUSE, 5AMP. | 1 |
| 4 | 08041-01000 | • FUSE, 10AMP. | 12 |
| 5 | 08041-02000 | • FUSE, 20AMP. | 5 |
| 6 | 08041-03000 | • FUSE, 30AMP. | 2 |
| 7 | 19M-06-31720 | • RESISTOR | 1 |
| 8 | 20Y-06-31660 | • FUSIBLE LINK, 30AMP. | 1 |
| 9 | 20Y-06-43270 | • RESISTOR | 1 |
| 10 | 22U-06-11270 | • FUSIBLE LINK, 65AMP. | 1 |
| 11 | HM6400-0012 | • F-CONNECTOR, BLACK | 2 |
| HM6409-0071 | • M-CONNECTOR, BLACK | 2 | |
| 12 | HM6400-0013 | • F-CONNECTOR, GREEN | 2 |
| HM6409-0072 | • M-CONNECTOR, GREEN | 2 | |
| 13 | HM6440-0129 | • F-CONNECTOR, PINK | 1 |
| HM6440-0128 | • M-CONNECTOR, PINK | 1 | |
| 14 | HM6400-0016 | • F-CONNECTOR, ORANGE | 1 |
| HM6409-0075 | • M-CONNECTOR, ORANGE | 1 |
Disconnect all power sources before installation
Follow OEM routing paths and mounting positions
Ensure all connectors are fully engaged
Verify proper clearance from moving components
Test all electrical functions after installation
Q: What Komatsu models use the 208-06-76830 wiring harness?
A: The COGENG 208-06-76830 (also referenced as 2080676830) wiring harness is a direct OEM replacement specifically designed for Komatsu PC450-8 and PC430-8 excavator models. Always verify the part number stamped on your original harness tag and consult your machine's parts manual to confirm exact compatibility before ordering, as harness configurations can vary by serial number range and specific machine options.
Q: What are the symptoms of a failing wiring harness on a Komatsu PC450-8 or PC430-8?
A: Common symptoms include intermittent electrical faults, multiple warning lights illuminated on the monitor panel, unresponsive hydraulic or engine controls, erratic gauge or sensor readings, CAN bus communication errors, specific functions not responding, or unexpected machine shutdowns. Dash 8 series Komatsu excavators feature advanced electronic control systems, and large models like the PC450-8 and PC430-8 rely heavily on clean signal transmission for precise implement control and engine management.
Q: Is this harness a direct plug-and-play replacement?
A: Yes, the COGENG 208-06-76830 harness is manufactured to exact OEM specifications for connector types, pin assignments, wire gauge, and routing length. It is a direct plug-and-play replacement requiring no wire splicing, soldering, or modifications when installed on compatible PC450-8 or PC430-8 excavators.
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