Industrial Vehicle Technology - August 2024
NEXT-GEN COMBUSTION ENGINES
2024-07-29 10:57:13
A new era of combustion engines
DESIGNED TO AID OEMS IN MEETING THEIR SUSTAINABILITY AGENDAS WITHOUT COMPROMISING ON PERFORMANCE, CUMMINS HAS DEVELOPED NEW FUEL-AGNOSTIC INTERNAL COMBUSTION ENGINES RUNNING ON LOW AND ZERO-CARBON FUELS
ᐅ For many OEMs, combustion engine power will continue to be the power solution of choice for some time. It will not, however, be the same traditional power as we have seen to date.
Cummins’ technological advancements are enabling a new breed of fuel-agnostic internal combustion engines. The new engines will be able to run on low and zero-carbon fuels including clean diesel, biofuels, and hydrogen. They are more compact with lower running costs and a reduced environmental impact. These solutions allow companies to drive sustainability improvements quicker while using technology that is well-known and trusted.
Next-generation engine platforms
Cummins next generation X15 for off-highway takes a fuel agnostic approach to deliver incremental environmental benefits. The base engines are designed to use low and zero-carbon fuels while performing across different applications. The common block design means a common machine can be installed irrespective of fuel choice. Unique cylinder heads and fuel systems are also used to accommodate the chosen fuels. This technology minimises complexities for manufacturers and technicians alike, reducing the need for factors such as machine redesign, manufacturing process changes and incremental technician training. OEMs can have a cost-effective solution to provide a range of fuel choices based on where customers are on their transition to zero carbon emissions.
New X15 advanced diesel
The recent developments in engine combustion and air handling technology have enabled Cummins to increase power of the new Cummins X15 engine model by 4% to 522 kW / 700 hp and torque by 15% to 3200 Nm. The higher power and torque density means this product could be used to power machinery with typically higher displacement without impacting site operations. All of this can be achieved whilst meeting the latest near-zero Stage V/Tier 4 Final emissions. The engine is also future proofed for Stage VI/Tier 5 when those regulations come into effect.
The engine is optimised with fuel consumption as low as 180 g/kWh, reducing total operating costs and lifetime CO2 and GHG emissions. Extended service intervals are up to 1000 hours, reducing service costs and downtime, as well as the environmental impact.
Hydrogen internal combustion engines
Restricting greenhouse gas emissions (GHGs) from motor vehicles and off-road machinery is driving interest in both hydrogen fuelled engines and hydrogen fuel cells. Hydrogen fuel is a promising non-fossil fuel and provides a viable solution for reducing emissions. Used in either solution, it offers a zero emissions capability when using green hydrogen which is produced using renewable energy.
Cummins next generation agnostic B6.7 engine has been designed to have hydrogen fuelled power capabilities. It maintains the familiarity and reliability of diesel technology without changing the structure of the engine block. Designed to use the same transmission, cooling and hydraulic systems as today’s modern diesel engines, it reduces complexity for equipment manufacturers and customers. Power capability reaches up to 290 hp (216 kW) with 1200 Nm peak torque.
OEMs face infrastructure and operational challenges such as fuel delivery and charging, as well as obstacles that may occur further along the life of the machine. A combustion engine, however, is flexible for a range of power. This means that one engine platform can power a range of machines with a consistent driveline and installation.
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