Off-Road Vehicles, Engines and Equipment

This page last reviewed February 25, 2015

 Off-Road Vehicles, Engines and Equipment
  • Procedures for Exemption of Add-On and Modified Parts for Off-Road Categories or (PDF - 30K)

    • Attachment A: Exemption Application or (PDF - 7K)

    • Attachment B: Emissions-Related Parts List or (PDF - 11K)

    • Attachment C: Exhaust Emission Standards and Test Procedures for Off-Road Diesel Engines and Equipment 50<=HP<175 or (PDF - 11K)                

  • California Evaluation Procedures for New Aftermarket Non-Original Equipment Catalytic Converters for Off-Road Vehicles, Engines, and Equipment or (PDF - 30K)

    • Attachment A: Exhaust Emission Standards and Test Procedures for Off-Road Diesel Engines and Equipment 50<=HP<175 or (PDF - 11K)                  

  • California Certification and Installation Procedures for Systems Designed to Convert Off-Road Vehicles, Engines, and Equipment to Use Alternate Fuels or (PDF - 38K)           

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