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Emissions Solutions SEDC 2007 Annual Meeting

Emissions Solutions SEDC 2007 Annual Meeting. Presented by Brett Alkins Emissions Territory Manager. Caterpillar’s Path to Emissions Reductions. Emissions Repowers Upgrading Older Engines Aftertreatment. Emissions Repowers. Tier 1, Tier 2, and Tier 3 Engines

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Emissions Solutions SEDC 2007 Annual Meeting

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  1. Emissions SolutionsSEDC 2007 Annual Meeting Presented by Brett Alkins Emissions Territory Manager

  2. Caterpillar’s Path to Emissions Reductions • Emissions Repowers • Upgrading Older Engines • Aftertreatment

  3. Emissions Repowers • Tier 1, Tier 2, and Tier 3 Engines • NOx, PM, HC, and CO Reducing Solution • 100+ Machine Models Available Over 2100 Emissions Repowers Completed!

  4. Benefits of Emissions Repower • 285HP Example, i.e. a medium bulldozer at landfill • Replace 1989 engine with a Tier 1 engine • ½ ton per year of NOx reduced • Almost 1 ton per year of additional emissions reduced (HC, CO, PM) • Cost Effectiveness • $40,000/ (1.5ton*6 years) = <$5,000/ton emissions reduced • Primary non-road retrofit technology implemented in California and Texas over last 6 years

  5. Customer Perspective: Wright Bros., TN • Learned of emissions opportunity via ARTBA and TDOT outreach • Wright Brothers, Caterpillar and Stowers partnered to provide ARTBA with retrofit experience in TN • 4 Oxidation Catalysts • 3 Scraper Repowers • 1 Track-type Tractor Repower

  6. Equipment Owners See the Value • Newer Technology • Proven Components • Same reliability, durability, and serviceability • Longer life, more productive • Increased Machine Value • Results from California equipment auction, Tier 0 Equipment • In Dec. 2005, 657B sold for $105,000 • In Dec. 2006, 657B sold for $32,000 • In May 2007, price dropped below $30,000 • Wright Brothers plans on 4 more scraper Tier 2 repowers!

  7. Emissions Retrofit Engine Upgrade GroupsUpgrade to Tier 1 emissions levels during engine overhaul • Cost effective solutions • Same Caterpillar reliability and serviceability • Available for select 3306 off-road applications • Available for 3406 off-road applications in 2007 • EPA Verified, same benefits as engine repower! Turbochargers Fuel Pumps/ Governors Cylinder Packs

  8. Reducing Particulate Matter Emissions in Cat Machines • The Diesel Particulate Filter High filtration efficiency, but.. • Space Claim & Weight • Backpressure (fuel economy) • Cost ($$$) ? Considerable engineering required to ensure an optimum retrofit design.

  9. Aftertreatment Success/Opportunities • Passive DPF’s have survived over 6,000 hours operating in the field • CAT Engineered and CAT Dealer Installed • Active DPF’s that are flexible to various application requirements are being evaluated • Regen on demand, needs to be operator transparent • Retrofittable NOx aftertreatment strategy will depend on technical, commercial and regulatory issues

  10. Conclusions • CAT is actively engaged in providing emissions retrofit products, but only when they can meet our standard of excellence • Engine Repowers and Emission Upgrade kits are an excellent path to reduce NOx, PM, CO and HC • Incentives and outreach are key to spurring interest and gaining customer acceptance • We continue to assess the latest technological advances to cost-effectively reduce emissions in existing machines

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