Cummins B4.5 Engine
The Cummins B4.5 Engine is a powerful and reliable in-line, 4-cylinder diesel engine that is perfect for a wide range of applications. With its 16-valve cylinder head and 4-stroke design, this engine delivers exceptional performance and efficiency.
Designed for continuous operation, the Cummins B4.5 Engine features a robust rebuildable engine block that ensures long-lasting durability and reliability. Whether you need a dependable engine for agricultural, construction, or industrial use, the B4.5L is up to the task.
Features and Benefits
Engine Design – The B4.5L is an in-line, 4-cylinder, 16-valve cylinder head, 4-stroke diesel engine, with a robust rebuildable engine block designed for continuous operation. Industry leading engine torque provides excellent vessel acceleration, control and maneuverability.
Fuel System – High Pressure Common Rail (HPCR) optimized for best-in-class fuel consumption lowering operating costs. Fuel Pump and Fuel Injectors are designed to operate with alternative fuels such as JP5, JP8 and biodiesel. Electric transfer fuel pump enabling a quick engine start. Includes primary and secondary filters with 10 and 5 microns respectively to provide better protection for the fuel pump and injectors.
Cooling System – Single loop with low temperature aftercooler intended for keel cooled (KC) or heat exchanger (HX). The simplicity of the cooling system eliminates the need for a more complex two-loop system, while meeting emissions requirements.
Exhaust System – Has a cast water cooled exhaust manifold for lower surface temperatures improving overall performance. The B4.5L is offered with either dry or wet exhaust elbows.
Air System – Includes commercial and recreational reusable and washable air cleaners providing overall cost savings.
Mounting System – Includes engine mounts and vibration isolators providing a quieter work environment.
Electrical System – Offered with 12V and 24V with simple electrical OEM interface connections integral with C Command Systems. A remote backup throttle option is also available for easier integration for vessels.
Electronics – ECM integrates start/stop controls, fuel tank level monitoring for easier integration with the vessel. Also features engine protection and de-rates for optimum safety.