CleanEarth provides the technology and components to replace Tier-1 engine of deteriorated construction equipment such as Forklift, Excavator and Loader with Tier-3 and Tier-4 engines and performs repowering work directly.

Upon repowering, the Government Subsidy is provided set in the Air Quality Improvement Plan of the Ministry of Environment of the Republic of Korea.

CleanEarth receives Tier-3 and Tier-4 engines from Daedong that supplies Hyundai Forklift mounting engine in an OEM method, and provides the engine replacement service for deteriorated construction equipment.
And, CleanEarth receives Tier-3 engines from Haein, a domestic distributor of Caterpillar and Perkins having a long history as construction equipment engine makers, and provides the engine replacement service for deteriorated construction equipment.