Since 1961, Cascade Engine Center, LLC has provided engine solutions
for the marine, industrial, forestry, agriculture, power generation, and
OEM diesel markets in the Pacific Northwest. Our state of the art facility
in Seattle, WA is equipped with the latest software, test equipment, and
documentation methods in order to provide you with the best products on
Final Tier 4 is here! Cascade received one of the first Yanmar Final Tier 4 3TNV74F-SDSA engines in North America. The 3TNV74F-SDSA is rated 18.5 HP @ 3000 RPM and will be used to power a Locomotive APU.