Maximum Rated Power Tier Model Year NOx HC NOx + PM hp NMHC (kW) 25≤hp<50 Tier 4 Interim 2008-2012 5.6 0.22 — — (19≤kW<37) Tier 4 Final 2013 and 3.5 0.02 — — later 50≤hp<75 Tier 4 2008-2012 3.5 0.22 — — (37≤kW<56) Interim(a) Tier 4 Final 2013 and 3.5 0.02 — — 75≤hp<100 Tier 4 0.30 0.14 0.01 — (56≤kW<75) Phase-In Tier 4 3.5 0.01 — — 2012-2014 Phase-Out Tier 4 Alternate 2.5 0.14 0.01 — NOx(b) Tier 4 Final 2015 and 0.30 0.14 0.01 — 100≤hp<175 Tier 4 0.30 0.14 0.01 — (75≤kW<130) Tier 4 3.0 0.01 — — 2012-2014 Phase-Out Tier 4 Alternate 2.5 0.14 0.01 — NOx(b) Tier 4 Final 2015 and 0.30 0.14 0.01 — later 175≤hp<750 Tier 4 0.30 0.14 0.01 — (130≤kW<560) Tier 4 3.0 0.01 — — 2011-2013 Phase-Out Tier 4 Alternate 1.5 0.14 0.01 — NOx(b) Tier 4 Final 2014 and 0.30 0.14 0.01 — later hp>750 Tier 4 Interim 2011-2014 2.6 0.30 0.07 — (kW>560) Tier 4 Final 2015 and 2.6 0.14 0.03 — later (a) Engine families in this power category may meet the Tier 3 PM standard instead of the Tier 4 interim PM standard in exchange for introducing the final Tier 4 PM standard in 2012. (b) The implementation schedule shown is the three-year alternate NOx approach. Other schedules are available. Table 5-3 Exhaust Emission Standards for New Off-Road LSI Engines >1.0 liter grams per brake horsepower-hour (g/bhp-hr)
Maximum Rated Power hp (kW) Tier Model Year NOx HC NOx + NMHC PM 25≤hp<50 (19≤kW<37) Tier 4 Interim 2008-2012 — — 5.6 0.22 Tier 4 Final 2013 and later — — 3.5 0.02 50≤hp<75 (37≤kW<56) Tier 4 Interim(a) 2008-2012 — — 3.5 0.22 Tier 4 Final 2013 and — — 3.5 0.02 75≤hp<100 (56≤kW<75) Tier 4 Phase-In 2012-2014 0.30 0.14 — 0.01 Tier 4 Phase-Out — — 3.5 0.01 Tier 4 Alternate NOx(b) 2.5 0.14 — 0.01 Tier 4 Final 2015 and 0.30 0.14 — 0.01 100≤hp<175 (75≤kW<130) Tier 4 2012-2014 0.30 0.14 — 0.01 Tier 4 Phase-Out — — 3.0 0.01 Tier 4 Alternate NOx(b) 2.5 0.14 — 0.01 Tier 4 Final 2015 and later 0.30 0.14 — 0.01 175≤hp<750 (130≤kW<560) Tier 4 2011-2013 0.30 0.14 — 0.01 Tier 4 Phase-Out — — 3.0 0.01 Tier 4 Alternate NOx(b) 1.5 0.14 — 0.01 Tier 4 Final 2014 and later 0.30 0.14 — 0.01 hp>750 (kW>560) Tier 4 Interim 2011-2014 2.6 0.30 — 0.07 Tier 4 Final 2015 and later 2.6 0.14 — 0.03 (a) Engine families in this power category may meet the Tier 3 PM standard instead of the Tier 4 interim PM standard in exchange for introducing the final Tier 4 PM standard in 2012. (b) The implementation schedule shown is the three-year alternate NOx approach. Other schedules are available. Table 5-3 Exhaust Emission Standards for New Off-Road LSI Engines >1.0 liter grams per brake horsepower-hour (g/bhp-hr)
draft2017moyerguidelines_ch05_20161228.docx