1. General
47
b) Label location:
(2) Emission standard
The below table shows the emission standard
of the EPA Off-road CI engines regulations for
19kW and under 37kW engines.
Note:
1. The transit smoke (ACC/LUG/PEAK) is not
applicable.
2. The EPA recommended fuel is used.
3. The ARB standard is the same as the EPA's.
4. "Model year" means the year when the regulation
is enforced.
(3) Guarantee conditions for emission
standard
In addition to making sure that these
conditions are met, check for any deterioration
that may occur before the required periodic
maintenance times.
1) Requirement on engine installation condition
a) Air intake negative pressure
.
b) Exhaust gas back pressure.
2) Fuel oil and lubricating oil
a) Fuel: Diesel fuel oil, ASTM D975 No.1-D or
No.2-D, equivalent (Cetane No. 45
minimally).
b) Lube oil: API grade, class CD.
g/kWh (g/HPhr)
Engine power Tier Model year NOx HC
NMHC + NOx
CO PM
19 ¹ kW < 37
(25 ¹ hp < 50)
Tier 1 1999 - - - 9.5 (7.1) 5.5 (4.1) 0.80 (0.60)
Tier 2 2004 - - - 7.5 (5.6) 5.5 (4.1) 0.60 (0.45)
kPa (mmAq)
Permissible
¹3.9 (400)
kPa (mmAq)
Permissible
¹14.7 (1500)
Emission control label
010330-00E
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