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Tier 4 Final Solutions

Doosan Infracore provide efficient and convenient Tier 4 Final solutions for both OEMs and end-users.


Tier 4 Final (the latest emissions regulations compliance) Engines

Doosan Infracore’s advanced, eco-friendly, highly efficient, and compact diesel engines have been developed based on off-highway diesel engine R&D capabilities and mass-production experience.

The Doosan Infracore Engine Business Group (BG) developed Korea’s first diesel engines and has ceaselessly grown to supply more than 1.5 million units to customers across the globe.

Doosan Infracore supplies the diverse industrial engines for construction equipment, commercial vehicles, generators, marine, military vehicles, and agricultural machinery, identifying specific characteristics by each product and providing integrated solutions.

The Engine BG successfully developed Tier 4 Final diesel engines by fully using its technical know- how and R&D capabilities accumulated for the past several decades.

Doosan Infracore Tier 4 Final diesel engines have been installed in Doosan Corporation Industrial Vehicle’s forklifts and Bobcat (the world’s number one compact construction equipment maker) machines.

A new growth engine for Doosan Infracore, powers varied off-highway equipment to add value to customers across the world.

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CNG Engines

CNG Engines

The eco-friendly and high efficient CNG engines are developed based on accumulated engineering expertise and experiences in the diesel engines.



Reliable Doosan genuine parts fulfil customer satisfaction through world-class part management systems.

About Us

About Us

Doosan Infracore Engine Business Group develops and manufactures eco-friendly, high efficient and optimum performance engines, giving top priority to customer satisfaction and aiming to add value to customer and as well as environment.

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