Description
Product Overview
The KNOWTEK EG3000 is a compact electronic speed controller engineered for diesel and gasoline engines. Housed in a rugged 7.87 x 7.87 x 2.76 inch enclosure, it weighs 2.2 lb and operates from 12 V ± 20% or 24 V ± 20% power sources, matching the actuator voltage. The unit receives engine speed signals via a magnetic pickup and offers adjustable idle speed and a fuel‑limiting function to curb smoke and vibration during start‑up. Designed for integration with a magnetic pickup/MPU and actuator from the engine governor assembly, the EG3000 provides precise, reliable control for a variety of automotive fuel systems.
Usage

The EG3000 is ideal for small trucks, generators, and off‑road equipment where engine speed stability is critical. Install the controller alongside the magnetic pickup and actuator, connect to the vehicle’s 12 V or 24 V battery, and configure idle and fuel limits to match the engine’s specifications. Its compact size fits tight engine bays, making it suitable for retrofits and new builds alike. Technicians and fleet managers benefit from reduced emissions and smoother engine operation, especially in cold‑start conditions.
Why Choose Us
KNOWTEK delivers a one‑year warranty and a reputation for durable electronic components. The EG3000’s adjustable parameters allow fine‑tuning for diverse engine types, while its robust housing protects against vibration and moisture. Unlike generic speed governors, this unit integrates directly with the engine’s existing sensor suite, ensuring accurate feedback and consistent performance across a wide temperature range.
Key Features
- Adjustable idle speed for smooth engine start‑up
- Fuel‑limiting function reduces smoke and vibration
- Operates on 12 V or 24 V systems with ±20% tolerance
- Compact, rugged enclosure suitable for harsh environments
- Easy integration with magnetic pickup and actuator assemblies
FAQ
What engines are compatible with the EG3000?
The EG3000 works with most diesel and gasoline engines that use a magnetic pickup for speed sensing and have a 12 V or 24 V actuator voltage.
Do I need an external power supply?
No external supply is required; the controller draws power directly from the engine’s battery or an AC‑to‑DC converter within the specified voltage range.
How do I adjust the idle speed?
Idle speed is set via the onboard potentiometer; refer to the user manual for step‑by‑step calibration instructions.
Is the EG3000 covered by a warranty?
Yes, KNOWTEK provides a one‑year warranty covering manufacturing defects.
Can the controller be used in marine applications?
While designed for automotive use, the EG3000 can be installed in marine engines provided it is protected from direct water exposure.




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