Introduction IMPORTANT: This manual covers only P OWER T ECH Tier 2 emission certified 4.5 and 6.8 L OEM engines listed. These engines meet Tier 2 emission certification standards. 2 (This is for both the U.S. EPA and European Union Council (EU) standards.) Engines with mechanical controls which are non-emission certified or Tier 1 emission certified (U.S. and EU) are covered in a separate operators manual, OMRG25204. NOTE: This manual covers engines provided to OEM (Outside Equipment Manufacturers). For engines in Deere machines, refer to the machine operator’s manual. All Tier 2 engines built in Saran (CD prefix) are serial number (800,000 - ) 2 Two exceptions:
The 4045HF475 and 6068HF475 for generator applications at 1500 rpm are still emission non-certified. OURGP11,000021C –19–15OCT03–2/2 021604 PN=3