Off-Road Vehicles, Engines and Equipment

This page last reviewed October 3, 2019

Off-Road Vehicles, Engines and Equipment

Procedures for Exemption of Add-On and Modified Parts for Off-Road Categories (PDF - 30K)
- Appendix A: Off-Road Exemption Application for General Criteria Parts Appendix A
- Appendix B: Emissions-Related Parts List (PDF - 11K)
- Appendix C: Exhaust Emission Standards and Test Procedures for Off-Road Diesel Engines and Equipment 50<=HP<175 (PDF - 11K)
California Evaluation Procedures for New Aftermarket Non-Original Equipment Catalytic Converters for Off-Road Vehicles, Engines, and Equipment (PDF - 30K)
- Appendix A: Exhaust Emission Standards and Test Procedures for Off-Road Diesel Engines and Equipment 50<=HP<175 (PDF - 11K)
California Certification and Installation Procedures for Systems Designed to Convert Off-Road Vehicles, Engines, and Equipment to Use Alternate Fuels (PDF - 38K)
- Appendix A: Exhaust Emission Standards and Test Procedures for Off-Road Diesel Engines and Equipment 50<=HP<175 (PDF - 11K)
Executive Orders for Systems Designed to Convert Off-Road Vehicles, Engines, and Equipment to Use Alternate Fuels
- Executive Order B-56U (California Clean Air Technologies LLC)
- Executive Order B-59U (Caterpillar Inc.)
- Executive Order B-59U-1 (Caterpillar Inc.)
- Executive Order B-59U-2 (Caterpillar Inc.)
- Executive Order B-61U (Altronic LLC)
- Executive Order B-61U-1 (Altronic LLC)
- Executive Order B-69U (New England Gen-Connect LLC))
- Executive Order B-69U-1 (New England Gen-Connect LLC)
- Executive Order B-69U-2 (New England Gen-Connect LLC)
- Executive Order B-73U (2Fuel Technologies, Inc.)

Formal Regulatory Documents regarding certification procedures for aftermarket parts for off-road vehicles, engines and equipment.

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