Ozinga Ready Mix Concrete Inc. replaced aging mixer trucks working from its Chinatown Plant near downtown Chicago with 13 compressed natural gas-powered Kenworth W900S mixers. Each is equipped with the 8.9-liter Cummins Westport ISL G engine, 6-speed Allison 4500RDS automatic transmission and the McNeilus Bridgemaster mixer body. The engines are 5-1/2 decibels quieter than comparable diesel-powered 2007 Cummins engines at peak torque and load and nearly 10 decibels quieter at idle. Ozinga customers have commented about the quietness. And that has significant benefits when placing concrete in residential neighborhoods and at public projects.
Ozinga Ready Mix Concrete Inc. replaced aging mixer trucks working from its Chinatown Plant near downtown Chicago with 13 compressed natural gas-powered Kenworth W900S mixers. Each is equipped with the 8.9-liter Cummins Westport ISL G engine, 6-speed Allison 4500RDS automatic transmission and the McNeilus Bridgemaster mixer body. The engines are 5-1/2 decibels quieter than comparable diesel-powered 2007 Cummins engines at peak torque and load and nearly 10 decibels quieter at idle. Ozinga customers have commented about the quietness. And that has significant benefits when placing concrete in residential neighborhoods and at public projects.
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