Equipment Fleet Maintenance Diesel Engines Cummins B3.3 Moves Forward to Tier 4 Final Cummins Inc. announced today that the mechanical B3.3 engine will move forward to meet Tier 4 Final emissions ...
• New diesel-emissions regulations for off-road equipment took effect in January. • All engine manufacturers are tuning incylinder combustion to minimize emissions. • Where exhaust aftertreatment is ...
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