Calculate an Engine Tier

​​The online Tier/Fee calculator is used to:

  • calculate your engine Tier,
  • determine if you need to register based on your engine Tier, and
  • estimate your operating period fees based on a selected operating period start date.

To use the tier calculator you need to know the engine horsepower and the year that the engine was manufactured.

Non Road Diesel Engine Tier Calculator


  • For more information on Non-Road Diesel Engine emission regulation