WATERLOO, IOWA – John Deere Power Systems will display its 8.1L natural gas engine May 7-10 in Phoenix at the Clean Cities Conference. John Deere will also offer information about the soon-to-be-released 9.0L natural gas engine at the conference. The John Deere 8.1L natural gas engines offer a power range of 250 hp-280 hp and feature 735 ft.-lb. to 900 ft.-lb. of torque. The engine will be on display at the John Deere booth (#812). The 8.1L engine is available in compressed natural gas or liquid natural gas and has been certified to Environmental Protection Agency emissions levels and California Air Resources Board optional low NOx standards 1.2 g/bhp-hr for MHHD, HHDD, and urban bus vehicles. The 9.0L engine was unveiled at the APTA conference in Sept. 2005, and will be available in 2007. The new engine will be certified to 2010 emissions levels of 0.2 g/bhp-hr for MHHD, HHDD, and urban bus vehicles. This engine offers an expanded power range of 250 hp to more than 300 hp and a peak torque of 1050 ft.-lbs. at the maximum rating. The 9.0L engine will be available in compressed natural gas or liquid natural gas.
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