Tractor Engine Emission Level

The following abbreviations are used in this manual to identify tractor engine emission level:

NOTE: The tractor engine emission level is only specified if a tractor model complies with either engine emission level Tier 3 or iT4. For more information see your John Deere dealer.

• iT4 is a US non-road emission standard and is equivalent to Stage III B for Europe.
• Tier 3 is a US non-road emission standard and is equivalent to Stage III A for Europe.