| Category | Specification | Benefit |
|---|---|---|
| COGENG Set Number | CG-KOM-SET-20871811-71812 | Easy Identification |
| OEM References | 208-06-71811 & 208-06-71812 | Direct Replacement |
| Compatible Models | PC400-7, PC400LC-7 | 40-Ton Excavators |
| Application Environment | Mining, Heavy Construction | Extreme Service |
| Wire Insulation | Oil-Resistant XLPE | Extended Service Life |
| Connector Rating | IP67 (Waterproof & Dustproof) | Maximum Protection |
| Temperature Range | -40°C to 125°C | Wide Operating Range |
| Voltage Rating | 24V DC System | Equipment Standard |
| Quality Validation | 100% Paired Circuit Testing | Reliability Assured |
| Warranty Coverage | 18-Month Limited Warranty | Customer Protection |
| NO | Number | Name | Qty |
| 1 | 208-06-71811 | WIRING HARNESS | 1 |
| 208-06-71812 | WIRING HARNESS | 1 | |
| 20Y-06-31660 | • FUSIBLE LINK, 30A | 1 | |
| 22U-06-11270 | • FUSIBLE LINK, 65A | 1 | |
| 2 | 20Y-62-22790 | • BAND, RED | 1 |
| 3 | 20Y-62-22830 | • BAND, WHITE | 1 |
| 4 | 08034-20519 | BAND | 2 |
| 5 | 04434-52312 | CLIP | 1 |
| 6 | 04434-53412 | CLIP | 1 |
| 7 | 195-979-3570 | COLLAR | 2 |
| 8 | 01010-81290 | BOLT | 2 |
| 9 | 01643-31232 | WASHER | 2 |
| 10 | 04434-53412 | CLIP | 1 |
| 11 | 01010-81225 | BOLT | 1 |
| 12 | 01643-31232 | WASHER | 1 |
| 13 | 04434-51912 | CLIP | 1 |
| 14 | 01010-81225 | BOLT | 1 |
| 15 | 01643-31232 | WASHER | 1 |
| 16 | 04434-51912 | CLIP | 2 |
| 17 | 142-03-11160 | SPACER | 2 |
| 18 | 01010-81260 | BOLT | 2 |
| 19 | 01643-31232 | WASHER | 2 |
| 20 | 04434-51912 | CLIP | 1 |
| 21 | 01010-81225 | BOLT | 1 |
| 22 | 01643-31232 | WASHER | 1 |
| 23 | 04434-51012 | CLIP | 1 |
| 24 | 01010-81220 | BOLT | 1 |
| 25 | 01643-31232 | WASHER | 1 |
| 26 | 08193-21012 | CLIP | 1 |
| 27 | 01010-81220 | BOLT | 1 |
| 28 | 01643-31232 | WASHER | 1 |
| 29 | 04434-51412 | CLIP | 1 |
| 30 | 01010-81225 | BOLT | 1 |
| 31 | 01643-31232 | WASHER | 1 |
| 32 | 04434-51410 | CLIP | 1 |
| 33 | 01010-81025 | BOLT | 1 |
| 34 | 01643-31032 | WASHER | 1 |
| 35 | 04434-51412 | CLIP | 2 |
| 36 | 01010-81020 | BOLT | 6 |
| 37 | 01643-31032 | WASHER | 6 |
| 38 | 04434-51012 | CLIP | 2 |
| 39 | 01010-81225 | BOLT | 2 |
| 40 | 01643-31232 | WASHER | 2 |
| 41 | 04434-51012 | CLIP | 1 |
Professional installation recommended for optimal performance
Complete paired set installation ensures system integrity
Follow large excavator specific routing diagrams
Comprehensive system diagnostics required post-installation
Q: What Komatsu models use the 208-06-71811 and 208-06-71812 wiring harness set?
A: The COGENG wiring harness set, covering part numbers 208-06-71811 and 208-06-71812, is specifically designed for Komatsu PC400-7 and PC400LC-7 excavator models. Always verify both part numbers against your machine's parts manual or original harness tags to confirm exact compatibility before ordering, as harness configurations can vary by serial number range.
Q: What are the symptoms of a failing wiring harness on a Komatsu PC400-7 or PC400LC-7?
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, communication errors between control modules, specific functions not responding, or unexpected machine shutdowns. On large Dash 7 series excavators frequently used in mining and heavy construction, harness degradation is accelerated by extreme operating conditions including severe vibration, heat, dust, and moisture exposure.
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