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Diesel Engine Line
Kohler Co.’s Global Power Group announces its first diesel engine line for the North America market.

• Seven air-cooled models from 6.7 to 34.9 hp
• Six liquid-cooled models from 16.8 to 64.4 hp
• Features single- and multi-cylinder models (50kW and under)
• Emission compliant
• Low sound levels
• Multiple air intake and oil-filtration system options

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Optimized ethanol-fueled engines
Ricardo Inc. reveals new technology, Ethanol Boosted Direct Injection (EBDI) that optimizes ethanol-fueled engines to a level of performance that exceeds gasoline engine efficiency and approaches levels previously reached only by diesel engines.

• Prototype EBDI is a 3.2-liter V6 engine
• Scalable technology
• Ethanol performance target: Peak torque: 900 Nm (~35 bar BMEP @ 3,000 rpm); peak power: 450 hp (5,000 rpm)

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Tier 4 Interim engine
Cummins Inc. offers the Tier 4 QSB6.7 engine with integrated air intake to exhaust aftertreatment technology. The fully integrated system is ready to meet EPA Tier 4 Interim and European Stage IIIB off-highway low-emissions ­regulations.

• 6.7 liter
• Incorporates the direct flow engine air filter and particulate filter exhaust aftertreatment
• High pressure common rail fuel system
• Variable geometry turbocharger
• Power up to 300 hp
• Direct flow housing includes a sensor to monitor temperature and pressure, sends data to the engine electronic control module to ensure optimum operation
• Advanced in-cylinder combustion utilizes cooled exhaust gas recirculation (EGR) with high pressure common rail fuel system
•  Particulate filter is part of an integrated engine and aftertreatment solution, reduces particulate matter (PM) emissions by 90%
• Variable geometry turbocharger features sliding-nozzle design which varies the air flow boost to precisely match engine rpm and load demands 

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Tier 4 Interim compliant engine line
Perkins Engines introduces its 1200 Series engines to meet Tier 4 Interim (Stage IIIB) emissions regulations.

• 21% increase in power output over Perkins’ current 5.5 liter offering
•  Top of line is 7 liter, 6-cylinder engine capable of 225 kW: 1206E-E70TTA has two turbochargers mounted in series: first stage turbo accelerates quickly, giving excellent response and torque at low speeds, while the larger second stage provides the high airflow required for high power density
• 1206E-66TA is a 6.6 liter engine, of interest to customers who need high torque at low engine speed
• 1204E-E44TA and TTA will replace 1104 engines; TA uses a single turbocharger with intercooler, and the TTA uses a two-stage turbocharger  

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