At Agritechnica 2025, Cummins displayed a 4.5-litre four-cylinder structural engine alongside the well-established and proven “B6.7” and “Next Gen X15” units. This lineup confirms the brand’s multi-technology approach, long focused on achieving maximum efficiency and on the development of modular, fuel-agnostic solutions
At Agritechnica 2025, Cummins reaffirmed its presence in the agricultural segment with a range of power units designed with efficiency, reliability and ease of machine integration in mind. In particular, the spotlight was on the “4.5 L Structural Engine” turbo-diesel, produced at the Darlington plant in the United Kingdom. Positioned in the 130 to 160 horsepower range (95 to 120 kilowatts), it offers class-leading power and torque density. Its structural layout allows the engine to be used as a load-bearing element of the chassis, simplifying machine design and reducing overall vehicle weight.
The torque curve is optimised to deliver strong low-speed response and rapid transient behaviour under variable loads, while keeping specific fuel consumption low thanks to efficient combustion and a latest-generation fuel-injection system. The “4.5 L” engine is also available with different aftertreatment configurations, ensuring easy installation on any type of machine while maintaining compliance with global emissions regulations.
To this end, the “Flex Module” system—shown in Hanover in combination with the engine—integrates DOC, DPF and SCR filters into a modular architecture that can be installed under the hood or above the engine. It features a vertically orientable SCR module to reduce the overall height of the power unit.
The use of the high-flow “UL2” urea-dosing system ensures precision and reliability in controlling nitrogen oxide emissions, while passive DPF regeneration reduces the need for scheduled maintenance interventions. Alongside the “4.5 L”, Cummins also showcased the “B6.7” and “Next Gen X15” engines, two cornerstones of the American brand’s off-highway portfolio.
The “B6.7” is currently the most widely used engine in the Cummins range, valued for its application versatility and proven robustness, while the “Next Gen X15” represents the technological pinnacle of Cummins’ high-power offering. Available in ratings exceeding 500 kilowatts, it stands out for its thermodynamic efficiency, low operating costs and digital integration with telemetry systems.
An integral part of the “Helm fuel-agnostic” platform, the “X15” is designed to adapt to different fuel types—diesel, HVO biofuels and hydrogen—thanks to a modular architecture that allows the cylinder head and a few other components to be replaced in order to switch from one fuel system to another.
Title: Cummins: solutions for tomorrow’s power ratings
Translation with ChatGPT
