Unmatched Inventory of Throttle Motors and Actuators

Our comprehensive selection includes the critical **PC200-7 Throttle Motor 7834-41-2002**, the **Caterpillar E320C Throttle Motor 247-5212**, and the **Hyundai R225-7 Throttle Motor 21EN-32200**. We understand the complexity of part numbers and ensure cross-compatibility. Whether you need a simple **12V or 24V Accelerator Motor** or a sophisticated **E320D2 Stepper Motor 386-3439**, we have the solution. Our parts are proven in the field, offering the reliability your business depends on.

In addition to electrical parts, **Growshine International** is a trusted source for essential engine components like **Engine Liner Kits** (e.g., K25 Engine Overhaul Liner Kit) and various **Excavator Engine Crankshafts** for engines such as **Kubota D902**, **V2203**, and **Cat C4.4**. We are a one-stop shop for all your **engine overhaul** needs.

Key Component Spotlight: Throttle Motor Function

**Throttle Motor (节气门电机):** A precision electric motor (often a **stepper motor**) that is part of the **Governor** assembly. It controls the position of the fuel pump rack or the throttle plate in response to the operator's input (accelerator pedal/lever) and the machine's ECU. It is installed on the **engine** and is crucial for maintaining the desired engine RPM. *Example: **Caterpillar E320C Throttle Motor**.* (Русский: Мотор дроссельной заслонки гусеничного экскаватора Caterpillar E320C.)

**Governor (调速器):** The mechanical or electronic system that regulates the engine's speed. The throttle motor is the actuator for the electronic governor. Installed on the **engine**. *Example: **Komatsu PC200-7 Governor Motor**.*

**Crankshaft (曲轴):** The primary rotating component in the engine, which converts the reciprocating motion of the pistons into rotational motion. Located within the **engine block**. *Example: **Kubota D1105 Engine Crankshaft**.* (Русский: Коленчатый вал двигателя Kubota D1105.)

**Engine Liner Kit (发动机缸套组件):** A set including the cylinder liner, piston, piston rings, and sometimes gaskets, used during a major engine overhaul. Installed within the **engine cylinder**. *Example: **K25 Engine Overhaul Liner Kit**.*

**Solenoid Motor (电磁阀电机):** A type of electrical actuator, often used for functions like fuel cut-off or flameout control. Installed near the **fuel pump or injection system**. *Example: **Doosan DH220-5 Flameout Throttle Motor**.*

**Positioning Sensor (定位传感器):** A sensor that provides feedback on the exact position of the throttle motor's arm to the ECU, ensuring accurate speed control. Attached to the **throttle motor assembly**. *Example: **Caterpillar E320C Throttle Motor Positioning Sensor 247-5230**.*

**ECU (Engine Control Unit/电子控制单元):** The 'brain' of the engine, which processes sensor data and sends commands to actuators like the throttle motor. Installed in a protected box, often in the **cabin or near the engine**. *Example: **Komatsu PC78 ECU with Software**.*

**Engine Control Motor (发动机控制电机):** A general term for any motor that regulates engine function, often interchangeable with Throttle Motor. Installed on the **engine**. *Example: **Mini Excavator Engine Control Motor 299-7824**.*

**Stepper Motor (步进电机):** A type of DC electric motor that divides a full rotation into a number of equal steps, allowing for precise control—ideal for throttle regulation. Integrated into the **throttle motor assembly**. *Example: **Caterpillar E320D2 Stepper Motor 3863439**.*

**Accelerator Motor (加速器电机):** Another interchangeable term for the Throttle Motor. Installed on the **engine**. *Example: **Hyundai R110-7 Accelerator Motor 21EN-32280**.* (Русский: Мотор ускорителя экскаватора Hyundai R110-7.)

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