Premium CUMMINS B4.5 Engine Solutions
With over a decade of expertise in diesel engines, ANTAIOS has delivered reliable engine solutions to clients across 100+ countries and regions. Our commitment to superior product quality and exceptional service makes us a trusted partner in the industry.
Product By Application
The CUMMINS B4.5 Engine is a 4.5L in-line 4-cylinder, 16-valve diesel engine with an output range of 102-250 HP for versatile applications.

The CUMMINS B4.5 marine engine features an integrated ECM with start/stop control and fuel tank level monitoring. Designed specifically for marine environments, it delivers reliable performance whether used for propulsion or auxiliary power.

The CUMMINS B4.5 engine is ideal for commercial and recreational marine generator applications. Its space-saving design doesn’t compromise on performance, providing dependable power generation for various vessels.

The CUMMINS B4.5 construction engine is perfectly suited for roadway construction and jobsite preparation applications such as rollers and excavators. It delivers increased power and torque while maintaining reduced displacement.
High Pressure Common Rail Fuel System
The CUMMINS B4.5 engine features an advanced HPCR fuel system engineered for superior combustion efficiency, delivering class-leading fuel economy that significantly reduces operating costs.

How to Order a New CUMMINS B4.5 Engine from ANTAIOS?


To provide you with the most accurate quotation for the CUMMINS B4.5 engine, please share the following details:
- Your required power and speed specifications
- Equipment application
Should you have any additional requirements, our sales team will gladly assist with customized solutions.
How to Custom an Exact Replacement CUMMINS B4.5 Engine from ANTAIOS?
To ensure we can provide you replacement CUMMINS B4.5 engine that closely replicates your current engine, please submit the following details:
- Clear photos of your engine nameplate orserial number

- Four-side view photos of your existing engine
- Equipment application information
Need help locating your engine nameplate or serial number?
[Click here] for identification guide or contact our sales team for immediate assistance.
Customized Engine Configuration Solutions
ANTAIOS offers flexible engine solutions tailored to different budgets and requirements.
- For customers prioritizing performance with sufficient budget, we can utilize genuine CUMMINS licensed components or even imported original parts for critical engine sections, ensuring premium quality and reliable performance.
- For those focusing on cost-effectiveness, we provide optimized solutions by reusing existing flywheels and flywheel housings from your engines, significantly reducing overall costs while maintaining essential functionality.
Should you have any special configuration requests, our sales team is ready to discuss customized options to best meet your needs.
Rigorous Technical Assurance System
To ensure the CUMMINS B4.5 engine fully meets your technical standards and quality requirements, ANTAIOS will sign an <Engine Technical Agreement> with you while confirming the order.
This agreement clearly specifies all critical requirements including technical specifications, performance standards, appearance requirements, and packaging guidelines. It serves as the definitive guideline for production, testing, and inspection processes.
We strictly adhere to every clause in the agreement, maintaining full quality control and transparent processes at every stage – so you can trust every detail is handled with care.
The warranty period for the CUMMINS B4.5 engine is one year or 1200 working hours(whichever comes first).
In most cases yes – we require your old engine serial number and installation photos to confirm 100% compatibility.
Yes, we provide 24/7 online technical assistance.






