Well, actually, its an 85 'cause I wanted to find a sample pic in a hurry. ;)
But, yes, the idea would be a diesel 4dr 4x4 hilux (US didn't get the turbo (2L-T) until 85. Same for Oz?) w/ AC.
Full US regs are here, but here's the official gist:
Under 49 U.S.C. § 30112(a), a person may not...