Doosan Portable Power has released four models in its Tier IV Interim (Tier IVi) mobile generator portfolio. The G150, G190, G240 and G325 mobile generators are new to the lineup of 10 Doosan models ranging from 25 to 570 kVA and became available Dec. 1, 2011.

These models complete Tier IVi development from Doosan Portable Power for products with power ratings greater than 174 hp (130 kW) and have been designed for the implementation of Tier IV final (Tier IVf) technologies effective in 2014. In addition, Doosan is finalizing the development of new G70, G85 and G125 models to meet the 2012 Tier IVi regulations for the respective power ratings. New G25 and G45 models will meet Tier IVf regulations required in 2013.

“Doosan Portable Power has been developing emissions related product innovations since 1996 with dedicated engineering and design,” said Todd Howe, manager of global generator products of Doosan Portable Power. “We proudly premiered the world’s first 2011-compliant Tier IVi generator at ConExpo-ConAGG. These new Tier IVi models have been substantially redesigned from their predecessors to incorporate numerous customer focused innovations in addition to achieving emissions compliance.”

All features of the new generators are designed to maximize the operator experience. Controls are simplified for easy operation, connection panels are made more accessible for improved safety and convenience, and sound levels are reduced between 2 to 5 dBA to ensure quieter operation. Longer runtime — exceeding 24 hours at any load factor — also is achieved with these new generators due to increased onboard fuel capacity.

The operator-preferred analog control panel has been enhanced with large, brightly lit meters for at-a-glance monitoring. And the onboard engine diagnostic display panel from Doosan now includes the controls and indicators required to operate and maintain the aftertreatment regeneration system that is a key component of the new Tier IVi technology to meet engine emissions.

New features, such as the addition of a voltage selector switch on the G240 and G325 simplify the set-up and connection of the machines on the job site. Dual frequency capability comes standard on the Tier IV generator portfolio to expand the versatility of the machines to power 50Hz applications with the simple flip of a switch, according to the manufacturer.

All current Doosan mobile generator models with Tier II or Tier III engines continue to be available through the use of the federal Environmental Protection Agency (EPA) Transition Program for Equipment Manufacturers (TPEM) — commonly known as the Flexibility Provision — until each successive tier change is complete.

All Doosan Portable Power generators are designed and manufactured in America at the Doosan Portable Power global headquarters in Statesville, N.C., an ISO 9001 facility.

For more information, visit doosanportablepower.com.

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