Tag: Doosan D24

Equipment

Doosan delivers DPF-free engines for Tier 4 Final

Diesel particulate filters were developed as one of several emissions reduction strategies for Tier 4 Interim and Tier 4 Final engines a few years ago. But where and when they can, manufacturers such as Doosan are designing their smaller engines so that a DPF is not needed. Why? “It requires high-cost maintenance, such as ash […]

April 1, 2013