| Technical Feature / Attribute | Product Specification Details |
| Brand / Manufacturer | COGENG |
| Part Number (MPN) | 20Y-06-24751 (Cross-ref: 20Y0624751) |
| Product Category | Main Frame & Engine/Pump Control Wiring Harness Assembly |
| Primary Machine Application | Komatsu PC200-6 & Komatsu PC220LC-6 Hydraulic Excavators |
| Compatible Models | Komatsu PC200-6, PC200LC-6, PC210-6, PC220-6, PC220LC-6, PC230-6 |
| Engine Application | Komatsu S6D102 / SA6D102 Engine |
| Condition | 100% Brand New, Direct OEM Spec Replacement |
| Conductor Core Material | High-Conductivity Electrolytic Annealed Copper Wire (Multi-Strand) |
| Insulation & Outer Armor | Flame-retardant cross-linked polyethylene (XLPE), corrugated split loom & nylon braiding |
| Connector & Plug Types | Heavy-duty, IP67/IP68 dustproof and waterproof sealed multi-pin connectors |
| Operating Voltage | 24V DC Heavy Machinery Electrical System |
| Operational Temperature | -40°C to +125°C (-40°F to +257°F) continuous thermal tolerance |
| Quality Control & Testing | 100% Automated Continuity, Resistance, and Thermal Burn-in Bench Tested |
The COGENG 20Y-06-24751 Wiring Harness is a premium main frame and pump/engine control electrical assembly engineered specifically for Komatsu PC200-6, PC200LC-6, PC220-6, and PC220LC-6 hydraulic excavators. As a central component in the machine's electrical infrastructure, this harness routes critical power, ground, and signal feeds between the operator cabin display, main controller (ECU/PMC), hydraulic main pump solenoid valves, pressure sensors, and engine bay components.
Komatsu Dash-6 series excavators are widely used in earthmoving, utility work, and construction. Continuous exposure to high engine ambient heat, chassis vibration, moisture, and chemical contamination from hydraulic fluid and diesel fuel causes original factory wiring to degrade over time. Common symptoms of harness failure include brittle wire insulation, micro-cracks, pin corrosion, erratic pump displacement response, intermittent sensor error codes, throttle control failures, and unexpected machine downtime.
Manufactured to match exact OEM specifications, the COGENG 20Y-06-24751 wiring harness provides a direct plug-and-play solution. Built with high-conductivity copper cabling, flame-retardant protective sleeving, and factory-matched waterproof sealed connectors, this assembly eliminates signal degradation, protects central electronic controllers from short circuits, and restores long-term machine reliability on demanding job sites.
Main Chassis Cable Trunk: Heavy-gauge multi-strand copper wiring for main power distribution, system grounding, and chassis frame routing.
Hydraulic Pump & Solenoid Control Branch: Pre-terminated leads with waterproof plugs for pump proportional valves, displacement sensors, and pilot cut-off solenoid valves.
Engine Bay Sensor & Control Leads: Dedicated connections for engine oil pressure switches, coolant temperature senders, fuel shutoff solenoids, alternator charging terminals, and starter relay triggers.
Cab & Controller Interconnect Plugs: High-density multi-pin OEM-style connectors designed to plug directly into the main cabin harness and central electronic controller.
IP67 Waterproof Sealed Connectors: Heavy-duty connector plugs equipped with internal silicone weather seals and positive locking tabs to seal out mud, water, and dirt.
Protective Outer Armor & Hardware: Abrasion-resistant corrugated split loom, heat-shrink reinforced branch junctions, and pre-installed rubber mounting grommets and chassis clips.
========================================================================================
COGENG 20Y-06-24751 WIRING HARNESS ARCHITECTURE
========================================================================================
[ Cab Harness Junction & Controller Interface ]
|
|-- Central Power & Relay Feeds
|-- Monitor Panel & Throttle Interface
|
+-----------------+-----------------+
| |
[ Engine Bay Branch Trunk ] [ Hydraulic Pump & Frame Trunk ]
| |
+--------------+--------------+ +--------------+--------------+
| | | |
(Engine Sensors) (Starter & Alt) (Main Pump Solenoids) (Pressure Transducers)
- Oil Pressure Switch - Starter B+ - TVC Solenoid Valve - Main Delivery Sensor
- Water Temp Sender - Alternator D+ - Speed Control Sol. - Pilot Cutoff Solenoid
- Fuel Shutoff Solenoid - Chassis Ground - Angle Sensors - Travel / Swing Alarm
Komatsu PC200-6
Komatsu PC200LC-6
Komatsu PC210-6
Komatsu PC220-6
Komatsu PC220LC-6
Komatsu PC230-6
Dash-6 Series Specificity: The 20Y-06-24751 harness is specifically designed for Komatsu Dash-6 generation excavators (-6 series). It is not compatible with Dash-5 or Dash-7 models due to differences in controller pinouts and solenoid connector configurations.
Part Number Verification: Always verify that your original equipment harness part number cross-references to 20Y-06-24751 or 20Y0624751. Please provide your machine serial number to confirm exact fitment prior to purchasing.
Circuit Safety Check: Before installing the new wiring harness, switch off the main battery isolator and check for existing electrical shorts on external components (such as damaged solenoid coils) to protect the new assembly.
+---------------------------------------------------------------------------------------+
| INSTALLATION WORKFLOW STEPS |
+---------------------------------------------------------------------------------------+
| [STEP 1: DISCONNECT POWER] ---> Shut off main battery isolator & disconnect (-) |
| terminal to eliminate risk of electrical short. |
+---------------------------------------------------------------------------------------+
| [STEP 2: LABEL & REMOVE] ---> Tag all existing connections on engine and pump, |
| unbolt chassis clamps, and extract old harness. |
+---------------------------------------------------------------------------------------+
| [STEP 3: BENCH COMPARISON] ---> Lay out old harness beside COGENG 20Y-06-24751 to |
| verify branch lengths, pin count & plug styles. |
+---------------------------------------------------------------------------------------+
| [STEP 4: ROUTE & SECURE] ---> Route new harness along factory chassis channels; |
| seat rubber grommets firmly in frame pass-throughs. |
+---------------------------------------------------------------------------------------+
| [STEP 5: PLUG & CLICK] ---> Connect engine sensors, hydraulic solenoids, and |
| ECU connectors until locking tabs click tightly. |
+---------------------------------------------------------------------------------------+
| [STEP 6: SYSTEM TEST] ---> Reconnect battery, turn ignition key to ON position,|
| check monitor status, and perform operational test. |
+---------------------------------------------------------------------------------------+
| Detail | Description |
| Shipping Methods | By Air, By Sea, By Express (FedEx, UPS, DHL, TNT, etc.). The specific arrangement will be based on the cargo situation and destination. |
| Estimated Delivery Time | Based on the shipping time of the logistics company. The arrival time shown by the carrier's tracking system shall prevail. |
| Packing | Inner: PP bag. Outer: Export-grade carton 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) |
| Policy Point | Terms |
| Merchant Return Policy | Products shipped are not returnable or exchangeable. |
| Quality Guarantee | Every board and harness is function-tested and burned-in before shipment to ensure it is not Dead on Arrival (DOA). |
| Pre-Shipment Confirmation | Photos and testing videos can be provided upon request before shipment to confirm correct part numbers and operational condition. |
Q1: Does this harness fit both Komatsu PC200-6 and PC220LC-6?
A: Yes, part number 20Y-06-24751 is compatible with Komatsu PC200-6, PC200LC-6, PC220-6, and PC220LC-6 excavators sharing the same main frame electrical architecture.
Q2: Are all branch connectors waterproof?
A: Yes, all external connections feature heavy-duty IP67/IP68 rubber-sealed plugs designed to resist moisture, dirt, and oil contamination.
Q3: Can I receive pre-shipment photos of the harness?
A: Yes! Pre-shipment photos and testing verification videos can be provided upon request prior to dispatch to confirm part numbers and connector layouts.
*shipping Details Return Sales*
Sales price:
Please contact COGENG sales customer service for specific prices.
Shipping method:
The specific arrangement will be based on the cargo situation.
Estimated delivery time:
It is based on the shipping time of the logistics company, and the arrival time shown shall prevail.
Contact details are at the bottom.
MerchantReturnPolicy:
The products shipped are not returnable or exchangeable.
Contact COGENG
📞 Phone: +86-185-2913-1515 🌐 Instagram
📧 Email: hugo@cogeng.net 🌐 Facebook：Excavator Parts Selection and Replacement Community
💬 WhatsApp +86-185-2913-1515 Facebook: Excavator Wiring Harness
💬 WeChat: +86-185-7865-1106 Facebook: Excavator Wire Harness
🌐 Website: cogeng.net Facebook: Excavator SolenoidValve
Excavator Solenoid Valve Excavator Wiring Harness Excavator Seal Kit
Excavator Pressure Sensor Excavator Revolution Sensor Excavator Water Temp Sensor
Excavator Control Panel Excavator Switch Parts Excavator Motors
Excavator Hydraulic Pump Excavator Other parts Excavator Engine Oil
