| Technical Feature / Attribute | Product Specification Details |
| Brand / Manufacturer | COGENG |
| Part Number (MPN) | 20Y-06-22550 (Cross-ref: 20Y0622550, 20Y-06-22713, 20Y0622713) |
| Product Category | Main Frame & Pump/Engine Control Wiring Harness Assembly |
| Primary Machine Application | Komatsu PC200-6, PC210-6, PC220-6, PC230-6 Hydraulic Excavators |
| Compatible Models | Komatsu PC200-6, PC200LC-6, PC210-6, PC210LC-6, PC220-6, PC220LC-6, PC230-6, PC230LC-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-06-22550 Wiring Harness (interchangeable with cross-reference part number 20Y-06-22713) is a heavy-duty main frame and pump/engine control electrical wire assembly engineered specifically for Komatsu PC200-6, PC210-6, PC220-6, and PC230-6 hydraulic excavators. Functioning as a central communication artery within the electrical architecture of Dash-6 series excavators, this harness routes vital power, ground, and electronic control signals between the operator cabin display, central controller unit (ECU/PMC), hydraulic main pump solenoid valves, displacement sensors, and engine bay components.
In heavy earthmoving and construction environments, continuous exposure to ambient engine heat, chassis vibration, dirt, moisture, and chemical exposure from hydraulic oil and diesel causes original factory wiring to degrade over time. Common failure symptoms include insulation embrittlement, wire fatigue, connector pin oxidation, erratic hydraulic pump response, electronic throttle control errors, false fault codes, and unexpected machine downtime.
The COGENG 20Y-06-22550 wiring harness is manufactured to exact OEM specifications to deliver a seamless direct plug-and-play replacement. Built with multi-strand high-conductivity copper wiring, flame-retardant protective sleeving, and factory-matched waterproof sealed connectors, this assembly eliminates voltage drops, protects central control modules against short circuits, and restores long-term machinery reliability on demanding job sites.
Main Chassis Cable Trunk: Heavy-gauge multi-strand copper wiring designed for main power distribution, system grounding, and chassis frame routing.
Hydraulic Pump & Solenoid Control Branch: Pre-terminated leads featuring heavy-duty waterproof plugs for pump proportional solenoid valves, displacement sensors, and pilot shut-off solenoids.
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-06-22550 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 Control Solenoid - Chassis Ground - Angle Sensors - Travel / Swing Alarm
Komatsu PC200-6 / PC200LC-6
Komatsu PC210-6 / PC210LC-6
Komatsu PC220-6 / PC220LC-6
Komatsu PC230-6 / PC230LC-6
Dash-6 Series Specificity: The 20Y-06-22550 harness is specifically tailored 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 layouts.
Part Number Interchangeability: Part numbers 20Y-06-22550 (20Y0622550) and 20Y-06-22713 (20Y0622713) serve as direct cross-references sharing identical connector profiles and wire routing for complete interchangeability.
Circuit Safety Check: Before installing the new wiring harness, switch off the main battery isolator and check for existing short circuits 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-06-22550 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: Is part number 20Y-06-22550 fully interchangeable with 20Y-06-22713?
A: Yes, 20Y-06-22550 and 20Y-06-22713 are direct OEM cross-references with identical connector profiles and wire routing.
Q2: Will this harness fit PC200-6, PC210-6, PC220-6, and PC230-6 models?
A: Yes, it is fully compatible with Komatsu PC200-6, PC210-6, PC220-6, and PC230-6 hydraulic excavators sharing the same main frame electrical architecture.
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
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