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    CASE will meet Tier 4 emissions standards with new engine technology

    CASE Construction Equipment

    CASE Construction Equipment  is ready to meet the next two phases of emissions requirements, Tier 4 interim standards and Tier 4 final standards, ahead of time, with their cooled exhaust gas recirculation and selective catalytic reduction technologies.

    Tier 4 interim standards begin internationally in 2011, while Tier 4 final standards come into effect internationally beginning in 2014, with Australia following soon after.

    “These sorts of changes are exciting because they drive innovation, not just for engines but for other features like safety and comfort,” said CASE Marketing Manager, Matt Hankin.

    “The move to meet Tier 4 standards early means Australian customers can be certain that their new equipment has the most technologically advanced, efficient and environmentally friendly engine available,” he adds.

    CASE will use the cooled exhaust gas recirculation and selective catalytic reduction technologies to address Tier 4 interim standards across its entire product line, which includes more than 90 equipment models, ranging from 15 hp (11.3 kW) to 532 hp (397 kW).

    The challenge in trying to meet Tier 4 standards, both interim and final is that the cooled exhaust gas recirculation technology that reduces nitrogen oxides (NOx) increases particulate matter (PM) levels, while the selective catalytic reduction technology that reduces PM levels increases NOx levels. In order to meet the ultimate goal of near-zero emissions, an after-treatment exhaust filter system must be part of a cooled exhaust gas recirculation solution, and a diesel exhaust fluid additive must be part of an selective catalytic reduction solution.

    CASE sees advantages to both technologies depending on engine size and load, as well as application demands, and it is taking advantage of the plethora of quality resources available to it as part of the Fiat Group, as well as the strengths of its worldwide strategic partners and suppliers.

    CASE has an excellent track record of meeting customer needs for increased productivity, improved fuel efficiency, increased uptime, best-in-class serviceability and operator comfort. And these improvements have been made with an eye toward the environment.

    When CASE machines meet Tier 4 final standards, they will have achieved a 90-percent reduction in particulate matter and nitrogen oxides, compared to Tier 3.

    Benefits of selective catalytic reduction technology include:

    • cool-running
    • quiet
    • separate from the main engine function
    • will not compromise horsepower or torque
    • will not interfere with engine performance
    • improved performance.
    The selective catalytic reduction after-treatment system requires the addition of a diesel exhaust fluid.

    Benefits of cooled exhaust gas recirculation technology include:

    • user-friendliness
    • requires no change in the operation of the machines
    • relies on exhaust filter system to remove particulate matter from the exhaust
    • excellent durability
    • low maintenance costs.
    Case developed its selective catalytic reduction and cooled exhaust gas recirculation technologies to ensure customers continue to receive the productivity they expect from their Case equipment while complying with Tier 4 interim and eventually Tier 4 final standards.

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