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emissionsappsNot having your equipment meet emissions standards can cost you money, time and lost opportunities. That's why Holt of California carries a wide variety of products and services to help you find the right emissions solution.

Whether you are looking for a solution for electric power generation, truck or industrial engines, we'll work with you to customize an emissions control device to get your regulation needs resolved. Backed by the reliability and performance of Holt of California, we provide solutions to reduce emissions and tailor them to fit a wide range of emissions applications, including:

  • Industrial Engines
  • Prime Power
  • Standby Generators
  • Stationary Equipment

We are also here to assist you with the completion of your Authority to Construct (ATC) documents for your local Air Quality Management District (AQMD) board.

Tier 4 Information for Industrial Engines

As of 2011, Tier 4i has been required for all engines EXCEPT emergency standby over 174hp. Since 2012, Tier 4i has been required for engines under 175hp.

Utilizing the ACERT Technology as a foundation, Caterpillar will add next generation turbo charging, advanced electronics, advanced fuel systems, particulate aftertreatment systems and a suite of NOx reduction technologies to its Tier 4i products to provide tailored emissions solutions for Industrial Engine OEM customers. Tier 4i engines from Caterpillar have been tested in the most extreme conditions for thousands of hours to ensure your confidence in this new technology.