half-track vs half-tracked

half-track and half-tracked both are adjectives.

Word	Noun	Adjective	Verb	Adverb
half-track	No	Yes	No	No
half-tracked	No	Yes	No	No

As adjectives, half-track and half-tracked are synonyms defined as:

half-track and half-tracked: having caterpillar treads on the rear and wheels in front

half-track (adjective)	half-tracked (adjective)
having caterpillar treads on the rear and wheels in front	having caterpillar treads on the rear and wheels in front