GARMIN GMR 18 HD3 4kW Dome Radar
The GARMIN GMR 18 HD3 is a 4kW dome radar designed for marine applications, featuring advanced signal processing for enhanced target detection. This unit is compatible with installation on yachts, fishing boats, and other vessels up to 50 feet in length.
Compatibility & Applications
- Mounts on vessels up to 50 ft for coastal navigation.
- Pairs with GARMIN chartplotters for integrated navigation solutions.
- Fits existing installations replacing older GARMIN dome radars.
- Wires to 12V DC systems commonly found in marine applications.
- Integrates with NMEA 2000 for enhanced data sharing.
- Supports various radar functions including target tracking and weather overlay.
This unit provides reliable radar coverage for small to medium-sized vessels, ensuring effective navigation and safety at sea. A specific use case includes installation on a 30-foot fishing boat, where it enhances situational awareness during offshore trips. Its advanced signal processing differentiates it from generic radar systems, offering superior target detection capabilities.
Technical Specifications
| Weight | 16.00 lbs |
|---|---|
| Dimensions (L × W × H) | 20.00 × 20.00 × 9.80 in |
From Our Pompano Beach Team
The GMR 18 HD3 is the dome we suggest to most center-console owners running Garmin MFDs: 4kW punch in a compact 18″ dome for squalls, traffic and bird-finding off the Florida coast. Compare marine radars.
Frequently Asked Questions
Will the GMR 18 HD3 work with my chartplotter?
It is designed for compatible Garmin chartplotters/MFDs. Tell us your unit model and we will confirm compatibility before you order.
Do you install radar domes?
Yes — our shop in Pompano Beach, FL offers professional marine electronics installation, including wiring, networking and sea trial. Radar mounting, cable runs and network setup are core services for us.
Why buy from Marine Overhauling?
Every unit is brand new, 100% genuine, in the original packaging, and covered by the full manufacturer warranty. Questions before ordering? Talk to our team.
