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How Exhaust Gas Recirculation Works

Interim Tier 4/Stage IIIB emission regulations require a reduction in oxides of nitrogen (NOx) coming from the exhaust. NOx is formed by high-combustion temperatures in the cylinders as the air/fuel mixture is burned.How exhaust gas recirculation (EGR) works EGR reduces the high temperatures where these compounds are formed in the engine …

Replacement John Deere Lawn Mower Blades

As another Winter finally leaves across the US, homeowners are finally starting to get ready for the upcoming outdoor Spring and Summer seasons. While there are a number of steps every homeowner should take to ensure the proper pre-season treatment of their lawn mowers and other power equipment, there is …

Yanmar Tier 4 Diesel Engine

The stringent emissions standard of the EPA’s Tier 4 has caused Yanmar along with all the other diesel engine manufacturers to change their design to be in compliance. The following is a brief explanation of how Yanmar is achieving this with their new design.