206-2700 2062700 ECU ECM Engine Controller for Caterpillar CAT 3126B D6N
Brand: For Caterpillar (CAT)
Part Number: 206-2700, 2062700
Applications: 3126B, 3126E, C-12, D5N, D6N
$1,299.00
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Bench-Tested - Every unit powered up and function-tested before dispatch.
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6-Month Warranty - From delivery, against defects in materials and workmanship.
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30-Day Returns - Unused items in original packaging. RMA required.
Professional 206-2700 2062700 ECU ECM Engine Controller for CAT 3126B & D6N
Upgrade your Caterpillar machinery’s intelligence with the high-performance 206-2700 (2062700) Engine Control Unit (ECU/ECM). This unit serves as the central processing core for your engine, specifically designed to handle the complex electronic fuel injection and timing requirements of the Caterpillar 3126B series and heavy-duty D6N tractors. Ensure your engine operates at its peak rated efficiency across all terrains.
Broad Compatibility & Marine Performance
The 206-2700 controller is a highly versatile module used across multiple Caterpillar platforms, featuring a robust architecture effective for:
- Marine & Truck Engines: Essential for 3126B Marine Engines, 3126, 3126E, and heavy-duty C-12 Truck Engines.
- Earthmoving Equipment: Critical for D5N and D6N Track-Type Tractors, ensuring engine and transmission synchronization.
- Specialized Loaders: Fully compatible with 953C and 963C Track Loaders and the 561N Pipelayer.
Expertly Remanufactured to OEM Standards
At liuchuangparts.com, we understand that reliability is paramount. Our 2062700 units are rigorously tested to ensure they meet or exceed original factory specifications:
• Direct Replacement: Precision-built to match original mounting points and electrical connectors for a hassle-free swap.
• Environmentally Sealed: Housing resists salt spray in marine environments and extreme dust on construction sites.
• Advanced Diagnostics: Fully supports CAT electronic technician tools for rapid troubleshooting.
Why Source From Liuchuang Parts?
| 12-Month Warranty | Full year of coverage including comprehensive repair or replacement services. |
| Technical Support | Fast after-sales assistance to minimize downtime and resolve technical queries. |
| Worldwide Shipping | Reliable global logistics to reach your project location wherever it may be. |
⚠️ Important: Data Verification & Programming
- Programming Required: This unit must be programmed with the specific Flash File corresponding to your engine’s power rating and application.
- Necessary Documentation: Please provide your Engine Series Number (ESN) and VIN after purchase, along with clear photos of your current ECM data plate.
- Technician Recommended: We highly recommend a professional technician for the installation and removal to avoid electrical damage to the module.

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