In order to tell what year your Massey Ferguson 35 is, you first need to locate the serial number. This can be found on the data tag below the left-hand side dash panel, or stamped on the side of the engine block.
Once you have the serial number, you can use the following link to help you decipher the year your Massey Ferguson 35 was produced:
https://masseyferguson.ca/en-ca/resource-library/massey-ferguson-serial-number-reference-guides
Depending on the year your Massey Ferguson 35 was produced, you may also be able to identify it from the presence of particular features unique to certain production years. As an example, Massey Ferguson 35s produced from 1962-1978 were all fitted with a one-piece, split-rim manifold for mounting the exhaust.