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QSB7
Cummins
The Cummins QSB7 is a versatile and technologically advanced 6.7-liter diesel engine designed for demanding applications in the marine and power generation sectors. It delivers a powerful combination of high performance, superior fuel efficiency, and exceptional reliability.
Core Technical Specifications
The QSB7 engine is engineered for two primary markets:
Marine Applications: It serves as a premier choice for both recreational and commercial vessels.
Propulsion Engine: Powers yachts, sport cruisers, and commercial workboats, available in a wide range from 230 to 550 HP.
Auxiliary/Genset Engine: Provides reliable onboard electrical power for vessels of all sizes.
Power Generation: As a robust G-Drive engine, the QSB7 is the core of dependable generator sets.
High-Pressure Common Rail Fuel System: The Bosch HPCR system ensures ultra-precise fuel injection, leading to excellent fuel economy, remarkably quiet operation (with up to 80% noise reduction at idle), and virtually smoke-free exhaust.
Advanced 24-Valve Engine Design: This design, paired with a perfectly matched turbocharger, delivers industry-leading power density and performance for its compact size.
Intelligent Electronics: The engine features a sophisticated 24V Quantum System Electronic Control Module (ECM) for comprehensive monitoring, diagnostics, and complete engine protection. It seamlessly integrates with SmartCraft® digital vessel systems for enhanced control and data access in marine applications.
Durable & Service-Friendly Design: Built with durability in mind, features include a cast water-cooled exhaust manifold for safety and a front-mounted lubrication system that extends oil service intervals to 500 hours when using ULSD fuel. For stationary power, the generator sets are designed for easy maintenance and fast serviceability.
The Cummins QSB7 is a versatile and technologically advanced 6.7-liter diesel engine designed for demanding applications in the marine and power generation sectors. It delivers a powerful combination of high performance, superior fuel efficiency, and exceptional reliability.
Core Technical Specifications
The QSB7 engine is engineered for two primary markets:
Marine Applications: It serves as a premier choice for both recreational and commercial vessels.
Propulsion Engine: Powers yachts, sport cruisers, and commercial workboats, available in a wide range from 230 to 550 HP.
Auxiliary/Genset Engine: Provides reliable onboard electrical power for vessels of all sizes.
Power Generation: As a robust G-Drive engine, the QSB7 is the core of dependable generator sets.
High-Pressure Common Rail Fuel System: The Bosch HPCR system ensures ultra-precise fuel injection, leading to excellent fuel economy, remarkably quiet operation (with up to 80% noise reduction at idle), and virtually smoke-free exhaust.
Advanced 24-Valve Engine Design: This design, paired with a perfectly matched turbocharger, delivers industry-leading power density and performance for its compact size.
Intelligent Electronics: The engine features a sophisticated 24V Quantum System Electronic Control Module (ECM) for comprehensive monitoring, diagnostics, and complete engine protection. It seamlessly integrates with SmartCraft® digital vessel systems for enhanced control and data access in marine applications.
Durable & Service-Friendly Design: Built with durability in mind, features include a cast water-cooled exhaust manifold for safety and a front-mounted lubrication system that extends oil service intervals to 500 hours when using ULSD fuel. For stationary power, the generator sets are designed for easy maintenance and fast serviceability.