1. General1.6 Exhaust gas emission regulationThe engines in this manual have been certified by the US EPA, California ARB and/or the 97/68/ECDirective.CaliforniaProposition 65 WarningDiesel engine exhaust and some of its constitutions are known to the State of California to causecancer, birth defects, and other reproductive harm.CaliforniaProposition 65 WarningBattery posts，terminals，and related accessories contain lead and lead compounds，chemicalsknown to the State of California to cause cancer and reproductive harm．1.6.1 The Emission Standard in USA(1) EPA Nonroad Diesel Engine Emission Standardsg/kW·hr(g/bhp·hr)Engine Power Tier Model Year NOx HC NMHC+NOx CO PMTier 1 2000 - - 10.5 (7.8) 8.0 (6.0) 1.0 (0.75)kW < 8(hp < 11) Tier 2 2005 - - 7.5 (5.6) 8.0 (6.0) 0.80 (0.60)Tier 1 2000 - - 9.5 (7.1) 6.6 (4.9) 0.80 (0.60)8 <= kW < 19(11 <= hp < 25) Tier 2 2005 - - 7.5 (5.6) 6.6 (4.9) 0.80 (0.60)Tier 1 1999 - - 9.5 (7.1) 5.5 (4.1) 0.80 (0.60)19<= kW < 37(25 <= hp < 50) Tier 2 2004 - - 7.5 (5.6) 5.5 (4.1) 0.60 (0.45)Tier 1 1998 9.2 (6.9) - - - -Tier 2 2004 - - 7.5 (5.6) 5.0 (3.7)37 <= kW < 75(50 <= hp < 100)Tier 3 2008 - - 4.7 (3.5) 5.0 (3.7)0.40 (0.30)Tier 1 1997 9.2 (6.9) - - - -Tier 2 2003 - - 6.6 (4.9) 5.0 (3.7)75 <= kW < 130(100 <= hp < 175)Tier 3 2007 - - 4.0 (3.0) 5.0 (3.7)0.30 (0.22)Note1) The EPA emission regulation under 130kW is mentioned below.Note2) As for Model year, the year which a regulation is applicable to is shown.Engine classification Transient smoke standards % opacity(acceleration/lug/peak modes)Constant speed engine Not regulatedVariable speed engine 20/15/50 or less(2) California ARB Emission RegulationThe ARB emission standard is based on that of the EPA.18
