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Product Launch

Multimode Hybrid Gearbox.

The Next Generation of Standalone Marine Propulsion

Hybrid Marine International (HMI) has launched its innovative Multimode Hybrid Gearbox, a standalone package designed to fit a comprehensive range of marine engines utilising standard SAE flange mountings.

Hybrid Propulsion Systems
Engineering Heritage

Built on Over 24 Years of Marine Expertise

Built on over 24 years of Marine Hybrid expertise, this product enables OEM boat builders and marine engine manufacturers to supply integrated hybrid propulsion systems.

The base system has been specifically designed to seamlessly connect to marine bobtail engines ranging from 20hp to 110hp, providing 15kW peak electric drive and 10kW continuous generation. HMI can also confirm that larger systems supporting up to 250hp are currently under development and are due to be released in 2027.

Hybrid Marine International Multimode Hybrid Gearbox

Key Features & Innovation

Hover to pause • Click any blade to inspect point

01 Simplified Installation
02 Smart Sailing Regeneration
03 Instant Boost Mode
04 Advanced Integration
05 Built-In Redundancy
06 Proven Reliability
07 Simplified Servicing
HMI MULTIMODE
Feature 01

Simplified Installation

Laminar flow technology achieve highly efficient air cooling, completely eliminating the need for raw water pumps or heat exchangers.

Technical Specifications

Full engineering performance parameters for the Multimode Hybrid Gearbox.

Engine Compatibility 20hp to 110hp (subject to confirmation)
Electric Output 15kW Peak Drive
Generation Output 10kW Continuous
Gearbox Model PRM280
Dry Weight 72 KG (excludes display & controller)
External Interfaces NMEA 2000 / Victron GX / Navico Connect