As nouns the difference between machines and equipments
is that machines is plural of lang=en while equipments is plural of lang=en.
As a verb machines
is third-person singular of machine.
machines
English
Noun
(head)
Verb
(head)
(machine)
----
equipments
English
Noun
(head)
(nonstandard)
Usage notes
The plural is used in the sense of individual items of equipment in historic military usage and occasionally in modern documents, especially in some catalogues of equipment.