| Parameter | Specification |
|---|---|
| Product Name | Komatsu Excavator Internal Cab Wiring Harness / Cabin Harness Assembly |
| Primary Part Numbers | 20Y-06-71510 (20Y0671510), 20Y-06-71511 (20Y0671511), 20Y-06-71512 (20Y0671512) |
| Brand | COGENG (Premium Aftermarket Replacement) |
| Condition | Brand New, 100% Continuity & Dielectric Withstand Tested |
| Compatible Equipment | Komatsu PC200-7, PC200LC-7, PC220-7, PC220LC-7, PC270-7 Hydraulic Excavators |
| Harness Type | Internal Cab Wiring Harness — Operator Cabin Electrical Interconnect |
| Function | Connects Cab Controls, Monitor Display, Sensors, and ECU Interface Within the Operator Cabin |
| Wire Insulation | Heat-Resistant, Oil-Resistant, and Stain-Resistant Material |
| Connector Systems | OEM-Style Sealed Connectors with Gold-Plated Terminals |
| Voltage Rating | 24V DC System |
| Environmental Sealing | Sealed Connectors Against Dust and Moisture |
| Chemical & Abrasion Resistance | High-Temperature, Oil, and Contaminant Resistant |
| Quality Assurance | 100% Automated Pin-to-Pin Continuity Mapping Against OEM Schematic; Visual Inspection; Pre-Tested for Reduced Installation Time |
| Certification | ISO 9001 Certified Manufacturing Facility |
| Place of Origin | Guangdong, China |
| Supply Capacity | 500 Pieces per Month |
| Shipping Weight | Approx. 6.5 – 7.0 kg (Configuration Dependent) |
| Package Dimensions | Approx. 85 x 32 x 25 cm |
| Packing | Inner: PP Bag with Anti-Static Protection; Outer: Heavy-Duty Export-Grade Corrugated Carton Box or Wooden Box with Protective Foam |
| Payment Terms | Western Union, L/C (Letter of Credit), T/T (Telegraphic Transfer), MoneyGram, D/A (Documents against Acceptance), D/P (Documents against Payment) |
| Shipping Mode | By Air, By Sea, By Express (FedEx, UPS, DHL, TNT, etc.) |
| Minimum Order Quantity | Acceptable Trial Order — Single Unit Orders Welcome |
| Return Policy | Non-Returnable / Non-Exchangeable (Comprehensive DOA Guarantee Included) |
The COGENG Internal Cab Wiring Harness, identified by part numbers 20Y-06-71510, 20Y-06-71511, and 20Y-06-71512, is a precision-manufactured electrical distribution harness engineered as a direct, form-fit-function replacement for the Komatsu PC200-7, PC220-7, and PC270-7 hydraulic excavator platforms. This harness is specifically the internal cab harness (also referred to as cabin harness or inner wiring), responsible for all electrical interconnections within the operator cabin . It connects the cab-mounted controls, monitor display, sensors, and the cabin-side interface of the machine's Electronic Control Unit (ECU), ensuring reliable communication between the operator and the machine's electronic systems.
The Komatsu PC200-7 and PC220-7 belong to the Dash-7 generation, a globally deployed platform used extensively in construction, road building, utility installation, quarry, and general earthmoving applications. The cab harness is a critical component of the machine's electrical architecture, carrying signals for the operator's joystick controls, throttle dial, key switch, monitor panel, and various sensors located within the cabin. The part numbers 20Y-06-71510, 20Y-06-71511, and 20Y-06-71512 are closely related references for this internal cab harness application. They may represent production revisions (such as "new model" variants) or specific configuration differences for the PC200-7 and PC220-7 platforms .
The construction of the COGENG replacement harness reflects the demands of the operator cabin environment. The wiring is designed to be resistant to high temperatures, oils, and stains, ensuring stable performance in the presence of hydraulic fluid and diesel fuel vapors. The harness features original-style plugs, high-temperature flame retardant materials, and gold-plated terminals for reliable electrical contact over the long service life of the machine. It is pre-wired and tested to reduce installation time and the risk of connection errors.
Important Compatibility Note: These part numbers (20Y-06-71510/71511/71512) are consistently identified as the internal cab harness for the PC200-7 and PC220-7 . They are not the engine harness or the external chassis harness. Please verify the specific harness section you are replacing before ordering.
The 20Y-06-71510 / 71511 / 71512 harness is specifically designed for the Komatsu PC200-7 and PC220-7 excavator platforms. Always provide your complete machine serial number for final compatibility verification.
| Brand | Model | Machine Class |
|---|---|---|
| Komatsu | PC200-7 | 20-Ton Hydraulic Excavator |
| Komatsu | PC200LC-7 | 20-Ton Hydraulic Excavator (Long Crawler) |
| Komatsu | PC220-7 | 22-Ton Hydraulic Excavator |
| Komatsu | PC220LC-7 | 22-Ton Hydraulic Excavator (Long Crawler) |
| Komatsu | PC270-7 | 27-Ton Hydraulic Excavator (Extended Compatibility) |
Note: Some sources also list PC270-7 compatibility. Verification with your machine's complete serial number is mandatory .
Complete Internal Cab Wiring Harness Assembly (1 unit): Fully assembled harness with all cab-side connectors, terminals, protective sheathing, and identification labels pre-installed.
All Cab Control and Monitor Connectors: Every branch is pre-terminated with the correct sealed contacts for the monitor display, joystick controllers, key switch, throttle dial, and cab sensors.
High-Current Power and Ground Terminals: Cab power and ground cables terminated with appropriate ring terminals, sealed with heat shrink.
PP Bag Inner Packing and Export Carton/Wooden Box: The harness is sealed in a PP bag with anti-static protection and packed in a rigid, double-wall corrugated carton or wooden box with custom-cut protective foam.
Internal Cab Harness Specificity: The 20Y-06-71510 / 71511 / 71512 is the internal cab harness for the PC200-7 and PC220-7 . It is not the engine harness or the external chassis harness. Please confirm you are replacing the cab harness before ordering.
Part Number Relationship: These three part numbers are associated references for the same cab harness family. The 20Y-06-71512 is commonly referenced as the "new model" variant, while 20Y-06-71510 and 20Y-06-71511 are also listed for the same application . Our technical team will verify the correct configuration for your machine serial number.
Serial Number Verification is Mandatory: Komatsu implemented running production changes within the Dash-7 series production run. Providing your complete machine serial number (PIN) and the old part number (if legible) allows our technical team to verify the exact harness variant your machine requires.
Extended Compatibility: Some sources indicate compatibility with the PC270-7 model in addition to the PC200-7 and PC220-7 . Verify your machine model before ordering.
Professional Installation Required: Installing a cab wiring harness requires removal of interior trim panels and careful routing around the operator station. Installation should be performed by a qualified heavy equipment technician with access to the Komatsu service manual and diagnostic software.
Note: This is a summarized procedural guide. Always follow the Komatsu service manual for your specific model.
Step 1: Safety Lockout and Documentation
Disconnect negative (-) and positive (+) battery cables. Photograph every aspect of the existing cab harness routing, documenting all P-clip locations, routing behind interior panels, and all connector orientations.
Step 2: Old Harness Systematic Removal
Remove the necessary interior trim panels and floor plates to access the cab harness. Label every connector with numbered wire tags as it is disconnected. Disconnect the monitor display, joystick controllers, key switch, throttle dial, and all cab sensor connectors. Cut zip ties, release P-clips, and carefully extract the old harness.
Step 3: New Harness Visual Comparison
Uncoil the new COGENG harness beside the old harness. Compare connector types, branch lengths, and mounting clip positions. Verify every match before proceeding.
Step 4: New Harness Routing and Connection
Route the harness following the photographic reference. Secure at all P-clip locations. Connect the monitor display and cab control connectors first. Systematically reconnect all cab sensor branches. Reinstall interior trim panels.
Step 5: Power-Up and Full Functional Test
Reconnect batteries. Connect Komatsu diagnostic software. Verify no active diagnostic trouble codes. Turn the key to ON and verify the monitor display powers up correctly. Test all cab controls (joysticks, throttle, switches). Start the engine and verify all functions. Confirm zero fault codes after complete test.
| Detail | Description |
|---|---|
| Shipping Methods | By Air: Cost-effective for medium-weight orders. By Sea: Most economical for bulk orders. By Express (FedEx, UPS, DHL, TNT): Fastest door-to-door service for machine-down emergencies. |
| Estimated Delivery Time | Express: 3-5 business days. Air Freight: 8-15 days. Sea Freight: 30-45 days. Transit times are carrier-dependent. Tracking provided within one business day of dispatch. |
| Packing | Inner: PP bag with anti-static protection. Outer: Heavy-duty export-grade corrugated carton box or wooden box with custom-cut protective foam. |
| Payment Terms | Western Union, L/C, T/T, MoneyGram, D/A, D/P. Standard terms: 30% T/T deposit, 70% balance before shipment. |
| Minimum Order Quantity | Acceptable Trial Order — Single unit orders welcomed. |
| Policy Point | Terms |
|---|---|
| Merchant Return Policy | All sales are final. No returns or exchanges. A wiring harness cannot be restocked once departed from our controlled environment. |
| DOA Quality Guarantee | Full replacement for manufacturing defects reported within 7 days of delivery. Harness must be in original, uninstalled condition. |
| Pre-Shipment Confirmation | We send high-resolution photos of your exact harness for written approval before dispatch. |
Q1: Is this the engine harness or the cab harness?
A: This is the internal cab harness for the PC200-7 and PC220-7 . It connects the cab controls, monitor, and sensors. It is not the engine harness or the external chassis harness.
Q2: What are the symptoms of a failing 20Y-06-71510 / 71511 / 71512 cab harness?
A: Common symptoms include monitor display malfunction or flickering, inoperative cab controls (joysticks, throttle dial, switches), intermittent fault codes, erratic sensor readings from cab-mounted sensors, and visible chafing or melted insulation behind interior panels.
Q3: What is the relationship between 20Y-06-71510, 71511, and 71512?
A: These part numbers are associated references for the same cab harness application. The 20Y-06-71512 is commonly referenced as the "new model" variant, while the others are also listed for the same PC200-7/PC220-7 application . Our technical team will verify the correct configuration for your machine serial number.
Q4: Do you accept trial orders for a single unit?
A: Yes, absolutely. We welcome trial orders for single units from first-time customers. Contact our sales team to arrange your trial order.
Q5: What certifications does COGENG hold?
A: COGENG is an ISO 9001 certified manufacturer, ensuring consistent manufacturing processes, rigorous inspection protocols, and full batch traceability.
Contact COGENG
For pricing, machine-down emergency support, trial orders, bulk quantity discounts, or pre-purchase compatibility verification, contact your COGENG supplier today.
Sales Price: Contact COGENG sales customer service directly for the most current competitive pricing. Trial orders welcome.
Shipping Method & Cost: We will quote the optimal shipping solution based on your location and urgency.
Estimated Delivery Time: Based on the selected carrier. Tracking provided within one business day of dispatch.
✅ Direct OEM Replacement — Internal Cab Harness for PC200-7 / PC220-7.
✅ Heat, Oil, and Stain Resistant — Built for the Operator Cabin Environment.
✅ ISO 9001 Certified — 100% Continuity Tested, 500 Pieces Monthly Supply.
✅ Trial Orders Welcome — Single Unit Orders Accepted.
✅ In Stock & Ready to Ship — Minimize Excavator Downtime with Immediate Worldwide Dispatch.
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