B&G Brookes & Gatehouse Hercules 890 Main Processor Unit
Best replacement core for sailors maintaining legacy marine navigation systems.
Enhance your marine navigation with the B&G Brookes & Gatehouse Hercules 890 Main Processor Unit. This essential core component is in very good physical condition, having been carefully removed from a recently refitted vessel. It's guaranteed to be in good working order and is ready for immediate shipment. This listing includes the main processor unit only, without additional cables or accessories. A 14-day policy backs your purchase, offering peace of mind for this direct replacement or upgrade component.
$399.95
Owner Satisfaction
4.5
/ 5
Category Rank
128
/ 450
#128 in Computer Processors
Price vs Category Average
-84%
Below average
Manufacturer
B&G, Brookes & Gatehouse
/ B&G, Brookes & Gatehouse
Who it's for
- Competitive sailors requiring precise, high-speed data processing
- Offshore cruisers needing proven, battle-tested hardware reliability
- Owners maintaining legacy sensor networks on older vessels
Who should skip it
- Skippers aiming for seamless modern NMEA 2000 network integration
- Users seeking long-term support and readily available replacement parts
- Captains wanting modern touchscreen interfaces and graphical displays
Performance breakdown
System Integration
Seamlessly bridges NMEA 2000 and 0183 networks for reliable data flow.
Processing Reliability
Proven core architecture ensures consistent performance in demanding marine environments.
Build Durability
Rugged construction designed to withstand the rigors of offshore sailing.
Upgrade Compatibility
Ideal drop-in replacement for existing Hercules system refits and maintenance.
Data Precision
High-fidelity signal processing delivers accurate navigation metrics for serious sailors.
Operational Readiness
Tested unit arrives ready for immediate installation and system integration.
Key Specs
Manufacturer
B&G, Brookes & Gatehouse
Model Name
Hercules 890 Main Processor Unit
Part Number
Hercules 890
Condition
Very good physical condition
Availability
1 available
Preloaded Charts
Worldwide Basemap
Network Compatibility
NMEA 2000, NMEA 0183
Transducer Included
False
Features
- Essential core for Hercules systems
- Guaranteed working order
- Very good physical condition
- Direct replacement or upgrade
- Ready for immediate shipment
- Removed from refitted vessel
What customers say
Customers consistently celebrate the enduring quality and precision of the Hercules 890 system. Despite being a legacy unit, its reliability in demanding marine environments remains unmatched. Users frequently note its robust build and consistent performance, highlighting that it functions flawlessly long after newer systems fail. The core sentiment reflects deep trust; this processor is viewed as foundational navigation equipment, justifying the initial investment through decades of dependable service. This focus on lasting quality defines the user experience.
Know before you buy
No, this listing is for the Hercules 890 Main Processor Unit only. You will need to use your existing cables and mounting hardware from your current installation.
Yes, the Hercules 890 supports both NMEA 2000 and NMEA 0183 protocols, allowing it to integrate seamlessly into most standard marine navigation networks.
The unit is in very good physical condition. It was carefully removed during a recent vessel refit and has been tested to ensure it is in full working order.
Yes, it is designed as a direct replacement or upgrade for existing Hercules systems. We recommend verifying your current system configuration to ensure full compatibility with the 890 model.
The unit comes with a worldwide basemap preloaded. You may need to supplement this with specific regional charts depending on your navigation requirements.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$400