There are many many different variables to determine the Tier level of an engine.
The best recommendation is to contact the local Deere dealership for assistance. They have direct contact to the factory. What I can tell you is the dealership needs the serial number of the engine. It is the engine that is certified, not the tractor.
The emissions label you will find on the engine will not tell you the Tier level of the engine. It will tell you the year of manufacture of the engine and the engine emissions family.
Again, the dealer would be able to assist with this information. Too many variables to compress into a small explanation.
The best recommendation is to contact the local Deere dealership for assistance. They have direct contact to the factory. What I can tell you is the dealership needs the serial number of the engine. It is the engine that is certified, not the tractor.
The emissions label you will find on the engine will not tell you the Tier level of the engine. It will tell you the year of manufacture of the engine and the engine emissions family.
Again, the dealer would be able to assist with this information. Too many variables to compress into a small explanation.