Engine Management Controller Caterpillar 307.5 491-4581 566-7784 for Caterpillar CAT C1.1 C3.3B C2.4 C4.4

Richtone offers to buy: Engine Management Controller (ECU / ECM) for Caterpillar 307.5 Excavator – C1.1 / C2.4 / C3.3B / C4.4 Engines (Part Numbers: 491-4581 / 566-7784)

✅ In stock – order now!

📄 Product Description:

High-performance Caterpillar Engine Management Controller (ECU / ECM) designed for CAT 307.5 mini and medium excavators, compatible with C1.1, C2.4, C3.3B, and C4.4 diesel engines. This OEM module ensures precise electronic control over fuel injection, air intake, and engine timing, guaranteeing optimal power, fuel efficiency, and low emissions. Built for reliability, it integrates seamlessly with CAT ET diagnostic software.

🔧 Compatibility (Applications):

  • Excavator Models: CAT 307.5, 307E, 308E, 305E, 310, 313, and similar mini/midi excavators

  • Engine Models: C1.1, C2.4, C3.3B, C4.4

  • Suitable for compact construction and industrial machinery

🔁 Cross-reference / Part Numbers:

491-4581, 4914581, 566-7784, 5667784, CAT491-4581, CAT566-7784

🛠 Specifications:

Manufacturer: OEM / Caterpillar supplier

Type: Engine Management Controller (ECU / ECM)

Communication: CAN, J1939

Programming: Required configuration through Caterpillar ET (Electronic Technician) software

Housing: Sealed aluminum casing, water-, dust-, and vibration-resistant

Condition: New / Replacement part

Packaging: Standard export packaging

Warranty: Manufacturer’s limited warranty

⭐️ Key Features:

  • Genuine OEM Caterpillar ECU for compact excavators

  • Full control of fuel injection, air flow, and timing

  • Rugged design for extreme construction conditions

  • Compatible with CAT ET for diagnostics and setup

  • Improves fuel efficiency, engine response, and reliability

    Description

    Buy! Engine Management Controller Caterpillar 307.5 491-4581 566-7784 for Caterpillar CAT C1.1 C3.3B C2.4 C4.4


    The Caterpillar Engine Management Controller 491-4581 / 566-7784 is a genuine ECU for 307.5 excavators and C1.1 / C2.4 / C3.3B / C4.4 engines. It delivers precise electronic control for stable performance, reduced fuel use, and complete compatibility with CAT diagnostic systems.

    Additional information

    Catalog number 307.5 491-4581 566-7784
    City

    Guangzhou

    Manufacturer

    Caterpillar