Exhaust Gas Emission Regulation; The Emission Standard In Usa - Takeuchi TB 175 Handbuch

1. General

1.6 Exhaust gas emission regulation

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