| Category | Specification | Benefit |
|---|---|---|
| COGENG Part Number | CG-KOM-2079772261 | Easy Identification |
| OEM Reference | 207-977-2261 | Direct Replacement |
| Compatible Model | Komatsu PC300-8 | Specific Application |
| Machine Class | 30-Ton Excavator | Targeted Solution |
| Generation | Dash-8 Series | Latest Technology |
| 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% Circuit Testing | Reliability Assured |
| Warranty Coverage | 18-Month Limited Warranty | Customer Protection |
| NO | Number | Name | Qty |
| 1 | 207-977-2460 | Wiring Harness | 1 |
| 1 | |||
| 1 | 207-977-2261 | 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 | 22U-06-11270 | • Fusible Link, 65Amp. | 1 |
| 10 | HM6400-0012 | • F-Connector, Black | 2 |
| 10 | HM6409-0071 | • M-Connector, Black | 2 |
| 11 | HM6400-0013 | • F-Connector, Green | 2 |
| 11 | HM6409-0072 | • M-Connector, Green | 2 |
| 12 | HM6440-0129 | • F-Connector, Pink | 1 |
| 12 | HM6440-0128 | • M-Connector, Pink | 1 |
| 13 | HM6400-0016 | • F-Connector, Orange | 1 |
| 13 | HM6409-0075 | • M-Connector, Orange | 1 |
| 14 | 207-06-75140 | Cable | 1 |
| 15 | 08038-00035 | Cap, Terminal | 1 |
| 16 | 08088-30000 | Switch, Battery Relay | 1 |
| 17 | 01010-80830 | Bolt | 2 |
| 18 | 01643-30823 | Washer | 2 |
| 19 | 08038-00519 | Cap, Terminal | 2 |
| 20 | 207-06-75122 | Bracket | 1 |
| 21 | 600-815-2170 | Switch, Heater | 1 |
| 22 | 01010-80616 | Bolt | 2 |
| 23 | 01643-30623 | Washer | 2 |
| 24 | 08038-00519 | Cap, Terminal | 1 |
| 25 | 08038-02027 | Cap, Terminal | 2 |
| 26 | 08028-CD065 | Cable, Battery | 1 |
| 27 | 08038-00035 | Cap, Terminal | 1 |
Complete machine power shutdown required before installation
Follow PC300-8 specific routing diagrams and mounting positions
Ensure all connectors are fully engaged and locking mechanisms secured
Verify proper clearance from hydraulic components and heat sources
Perform comprehensive system diagnostics after installation
A: The COGENG 207-977-2261 (also referenced as 2079772261) wiring harness is a direct OEM replacement designed for select Komatsu excavator and heavy equipment models where this part number is specified. 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 model, serial number range, and specific machine options.
Q: What are the symptoms of a failing wiring harness on Komatsu equipment?
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. Wiring harness degradation is often caused by prolonged heat exposure, vibration, moisture ingress, and connector terminal corrosion in demanding operating environments.
Q: Is this harness a direct plug-and-play replacement?
A: Yes, the COGENG 207-977-2261 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 Komatsu equipment.
