Newly released 55REOZT4 offers quiet, reliable operation while delivering dependable power.

Kohler Power Systems is a adding a new model to its robust line of diesel-powered mobile generators. The 55REOZT4 offers customizable options to meet the varying needs of end users and features Kohler’s unmatched quality, reliability and flexibility. Built to withstand the elements and run long hours in prime and standby applications, the new generator model meets all emissions standards.

“The 55REOZT4 is a great addition to our diesel mobile generator line and is ideal for a wide variety of settings where power is needed – from remote construction sites to large-scale events,” said Anne Feudner, product manager for Kohler Power Systems. “This new model is being offered in response to the strong feedback we’ve received to our existing diesel-powered mobile units. This is the fifth model introduced within our Tier 4 Final lineup and is capable of a 46-48 kW standby rating and 42-43 kW prime and continuous rating.”   

The 55REOZT4 is EPA emission certified for non-road use and comes equipped with a rugged DOT-certified trailer and durable enclosure. Like all Kohler gaseous and diesel mobile generators, the new model is compatible with the company’s recently launched Mobile Paralleling Box, which delivers cutting-edge flexibility by allowing users to parallel different sized generators with different fuel types to optimize power for the specific task at hand.     

The 55REOZT4 integrates a number of user-friendly features to deliver straightforward operation and dependable performance in the field, including:

  • A heavy-duty air cleaner with restriction indicator
  • Fuel tanks sized for 24-hour runtime
  • External emergency stop
  • Stainless steel door latches and hinges
  • Two-way fuel valve to easily switch from onboard to external fuel sources
  • Three position selector switch
  • A cold weather package that includes block and battery heaters
  • A convenient single point lifting eye
  • Durable steel sound-attenuating housing with quiet operation of 69 dB(A) at 7 m (23ft.) at full load
  • A patented housing that lifts off without removing external hardware or wiring  

The 55REOZT4 features Kohler’s powerful KDI 3404 engine, which achieves Tier 4 Final emission compliance without a diesel particulate filter (DPF) due to a number of innovative design features, including Kohler’s direct injection system, cooled exhaust gas recirculation (EGR) and diesel oxygenated catalyst (DOC). A high-pressure common rail system (CSR) is also integrated, which utilizes pressures at 2000 bar (29,000 psi) to deliver better atomization of fuel, improved fuel consumption and a reduction in emission particulates.