State of California

AIR RESOURCES BOARD

CALIFORNIA EXHAUST EMISSION STANDARDS AND TEST PROC EDURES
FOR NEW 1996 AND LATER TIER 1, TIER 2, AND TIER 3 O FF-ROAD

COMPRESSION-IGNITION ENGINES

PART II

Adopted: May 12, 1993 Amended: January 28, 2000 Amended: October 20, 2005

NOTE: This document incorporates by reference the Intern ational

Standards Organization (ISO) 8178 test procedure, P art 1, June 3,
1992, and Part 4, June 30, 1992, and Part 5, June 3 , 1992, with

modifications. Sections which have been included i n their entirety

are set forth with the section number and title. C alifornia provisions which modify specific ISO language provisions are d enoted by the words “DELETE” for the ISO language and “REPLACE WI TH” for the new California language. The symbols “*****” a nd “...” mean that the remainder of the ISO text for a specific s ection is not shown in these procedures but has been included by refere nce, unchanged. ISO sections which are not listed are n ot part of the procedures.

This Document is printed in a style to indicate cha nges from existing provisions. All existing language in indi cated by plain type. All additions to language are indicated by underlin e . All deletions to language are indicated by strikeout

.

If there is any conflict between the provisions of this document and the California Health and Safety Code, Division 26, or Title 13 of the California Code of Regulations, the Health and Safety Code and Title 13 apply.CALIFORNIA EXHAUST EMISSION STANDARDS AND TEST PROC EDURES

FOR NEW 1996 AND LATER TIER 1, TIER 2, AND TIER 3 O FF-ROAD

COMPRESSION-IGNITION ENGINES

PART II

To the extent the following provisions of ISO 8178, Part 1, version N95, June 3,
1992, and Part 4, version N97, June 30, 1992, and P art 5, version N99, June 3, 1992, pertain to the testing and compliance of exha ust emissions from off-road compression-ignition engines, they are adopted and incorporated herein by this

reference as Part II of the California Exhaust Emis sion Standards and Test Procedures for New 1996-1999 Heavy-Duty Off-Road Co mpression-Ignition Engines (1996-1999 Heavy-Duty Test Procedures) and the California Exhaust

Emission Standards and Test Procedures for New 2000 and Later Tier 1, Tier 2, and Tier 3 Off-Road Compression-Ignition Engines (2 000 Plus Limited Test Procedures), except as altered or replaced by the p rovisions set forth below.

Since the scope of this regulation is limited to of f-road compression-ignition engines, the ISO provisions contained in the proced ure identified above which pertain to Otto cycle engines or to engines used fo r applications other than off-road purposes shall not be applicable to Part I I of these procedures.

ISO 8178, RIC Engines – Exhaust emission measuremen t – Part 1: Test bed measurement of gaseous and particulate exhaust emis sions from RIC engines.

1. Scope

2. Normative References

3. Definitions

ADD:

Note: In addition to the definitions listed here, t hose definitions listed in Section 2 of the 1996-1999 Heavy-Duty Tes t

Procedures and Section 89.2 of the 2000 Plus Limite d Test Procedures shall apply.

* * * * *4. Symbols and Abbreviations

ADD:

Note: In addition to the symbols and abbreviations listed here, those symbols and abbreviations listed in Section 3 of the 1996-1999 Heavy-Duty Test Procedures and Section 89 .3 of the 2000 Plus Limited Test Procedures shall apply.

* * * * *

5. Test Conditions

6. Test Fuels

DELETE

REPLACE WITH:

Test fuels shall meet the requirements specified in Section 25 of the 1996-1999 Heavy-Duty Test Procedures or Section 89.330 of the 2000 Plus Limited Test Procedures, as applicabl e.

7. Measurement Equipment and data to be measured

DELETE any reference to the single filter method.

8. Calibration of the analytical instruments

9. Calibration of the particulate sampling system

10. Running conditions (Test cycles)

11. Test run

DELETE any reference to the single filter method.

12. Data evaluation for gaseous and particulate emi ssion

13. Calculation of the gaseous emissions

14. Calculation of the particulate emission

DELETE any reference to the single filter method.

15. Determination of the gaseous emissions

16. Determination of the particulatesFigures and Explanations

Annex A

Annex B Auxiliary Equipment

Annex C NMHC method, efficiency

Annex D Calculation formulas for u, v, w

Annex E Heat calculation (transfer tube)

Annex F Informative

ISO 8178, RIC Engines – Exhaust emission measuremen t – Part 4: Test cycles for different engine applications.

1. Scope

2. Normative References

3. Definitions

ADD:

Note: In addition to the definitions listed here, t hose definitions listed in Section 2 of the 1996-1999 Heavy-Duty Tes t

Procedures and Section 89.2 of the 2000 Plus Limite d Test Procedures shall apply.

* * * * *

4. Symbols and Abbreviations

ADD:

Note: In addition to the symbols and abbreviations listed here, those symbols and abbreviations listed in Section 3 of the 1996-1999 Heavy-Duty Test Procedures and Section 89 .3 of the 2000 Plus Limited Test Procedures shall apply.

* * * * *

5. Information regarding preparation of the testDELETE any reference to ISO 8178-2.

6. Modes and weighting factors for test cycles

* * * * *

6.1 DELETE

6.2 DELETE

6.3 Test cycle types C “Off-road vehicles and indus trial equipment”

* * * * *

6.3.2 DELETE

6.4 DELETE

6.5 DELETE

6.6 DELETE

6.7 DELETE

ISO 8178, RIC Engines – Exhaust emission measuremen t – Part 5: Specifications of test fuels.

1. Scope

DELETE

REPLACE WITH:

This part specifies the calculation of the specific factors and exhaust flow, which are necessary to determine the emission test results in accordance with ISO 8178, Part 1.

2. Normative References3. Definitions

ADD:

Note: In addition to the definitions listed here, t hose definitions listed in Section 2 of the 1996-1999 Heavy-Duty Tes t

Procedures and Section 89.2 of the 2000 Plus Limite d Test Procedures shall apply.

* * * * *

4. Symbols and Abbreviations

ADD:

Note: In addition to the symbols and abbreviations listed here, those symbols and abbreviations listed in Section 3 of the 1996-1999 Heavy-Duty Test Procedures and Section 89 .3 of the 2000 Plus Limited Test Procedures shall apply.

* * * * *

6. Remarks

DELETE

7. Calculation of the Exhaust Gas Flow Using Fuel S pecific Factors

8. Calculation of the Fuel Specific Factors

Tables

Appendix A

Appendix B

Appendix C