Agricultural (Ag) Engine Registration

Monterey Bay Air Resources District (MBARD) is responsible for implementing the Federal Hazardous Air Pollutant regulations (40 Code of Federal Regulations Parts 60 and 63) and the State of California’s Air Toxic Control Measure (California Code of Regulations, Title 17, Section 93115) as they pertain to engines. To that end, MBARD staff worked with the agricultural community to implement a program to address the Federal and State engine requirements and adopted the local MBARD Rule 220.

Who Needs a Registration

  • A registration is required for all diesel powered (stationary and portable) engines that are rated 50 horsepower (HP) and above. 
  • A registration is NOT required for engines that are self-propelled (tractors) or agricultural wind machines.

Registration Fees

Every applicant for a new diesel engine registration shall pay the application fee for the first engine plus a reduced fee for each additional engines registered to the same owner or operator as set forth in Rule 301, Table 1 Agricultural Diesel Engine Registration Fees.

Registration Renewal

Annual renewal fees are required to maintain the registration as set forth in Rule 301, Table 1 Agricultural Diesel Engine Registration Fees.

Documents/Forms

Application Forms

Ag Engine Registration Application FormForm 400-General Application Fee Determination Sheet

Additional Information

Ag Engine Registration Application FAQ

Related Rules

MBARD Rules

Rule 220 AGRICULTURAL DIESEL ENGINE REGISTRATION

Rule 301 PERMIT FEE SCHEDULES

Rule 310 AGRICULTURAL DIESEL ENGINE REGISTRATION FEES

Rule 1010 AIR TOXIC CONTROL MEASURE FOR STATIONARY COMPRESSION IGNITION ENGINES

State Rule

CCR Title 17, Section §93115 – Airborne Toxic Control Measure (ATCM) for Stationary Compression Ignition (CI) Engines