For 2 to 3-ton class forklift trucks, Mitsubishi Heavy Industries, Ltd. (MHI) has developed
the D04EG engine, which is in compliance with both the Japanese 2014 emission standards and
the Tier 4 emission regulations of the U.S. Environmental Protection Agency (EPA). In the D04EG
engine, the particulate matter (PM) levels emitted from the engine have been substantially reduced
from those of existing models, and therefore it meets the latest emission regulations without using
diesel particulate filters (DPF), keeping the cost low and realizing good usability for forklift truck
drivers. For product development, we used our combustion simulation technology to newly design
the shape of the combustion chamber and fuel injectors. Thus, we have simultaneously realized
both reduced emission levels and lower fuel consumption.
