ton capacity vs lift capacity

ton capacity and lift capacity both are nouns.

Word	Noun	Adjective	Verb	Adverb
ton capacity	Yes	No	No	No
lift capacity	Yes	No	No	No

As nouns, ton capacity and lift capacity are synonyms defined as:

ton capacity and lift capacity: the maximum recommended load a crane can lift.

ton capacity (noun)	lift capacity (noun)
the maximum recommended load a crane can lift.	the maximum recommended load a crane can lift.