Diesel Engine PM Limits
What does "Diesel PM per Horsepower-Hour" Mean? A 200 horsepower (HP) engine could release as much as 200 times the amount shown in one vial during one hour of operation or a 300 HP engine could release as much as 300 times the amount shown in one vial during one hour of operation. Diesel Particulate Matter (PM) Allowed per Horsepower-Hour
Levels for 175-750 HP engines only. Other engine HP limits and timing vary. Limits for Off-Road Diesel Engines
Limits for On-Road, Heavy Duty Trucks
Diesel Particulate Matter (PM) Allowed per Horsepower-Hour
Tier I .4 grams 1996
Tier II-III .15 grams 2001-2003
Tier IV .015 grams 2010-2011
.60 grams 1988
.25 grams 1991
.10 grams 1994
.01 grams 2007
Soot vials are shown smaller than actual size (2-3/8" height).
Worldwide Emissions Mandates &Timing
2010 EPA (on-road)
2007 EPA (on-road)
2012 Euro VI
2015 Jan 01
2006 Jan 01
2009 Euro V & Japan
2014 EPA & Euro Tier 4a/Stage 4 (off road)
2011 EPA & Euro Tier 4/Stage 3 (off road)
Medium- and Heavy-Duty Exhaust Products t 7 t 73
www.donaldson-filters.com www.donaldsonoemfiltration.com/technologies/emission
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