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Perkins 400F Diesel Engine


Diesel Engines, Under 100 hp

Perkins 400F Diesel Engine

Perkins launched its first Tier 4 Final emissions-compliant engines on March 22, 2011 at the ConExpo-Con/Agg exhibition in Las Vegas. The new 400F, the latest addition to company’s popular 400 Series range, meets Tier 4 Final / Stage IIIB regulations, which come into force January 2013 for engines above 25 horsepower in EPA (Environmental Protection Agency) jurisdictions and above 49.5 horsepower in the EU (European Union). The new 400F, says Perkins, is designed to meet the challenges facing today’s equipment manufacturers as they look to build small, high-performance, yet cost-effective machines. The compact, three- and four-cylinder lineup of the 400 Series, which offers ratings to 61 horsepower, offers a seamless choice, says the company, for original equipment manufacturers (OEMs) transitioning from current emissions legislation to Tier 4 Final / Stage IIIB standards. The new range incorporates some 97 percent of components from the previous Tier engine. Minimum change to the new 400F Series means little or no machine redesign for the OEM, says Perkins, which in the highly competitive small machine market is an important consideration. The only addition that manufacturers will see is the after-treatment package, which has been designed to be as compact as possible, with flexible mounting arrangements to ease installation. The aftertreatment uses passive regeneration, with systems in place to provide active regeneration capability, effectively burning the soot in the diesel particulate filter to maintain optimum performance levels. Although an ash service at a minimum of 3,000 hours will be a new requirement, this interval typically equates to years of operation without servicing. According to Perkins, the new 400F Series also delivers improvements in fuel consumption, which minimize operating costs and heat rejection. Other benefits, says the company, include improved transient response, easy maintenance, high fuel tolerance and reduced oil consumption. For more information visit

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