ATV66SM8T20CA-HF ATV66SM8T20A-HF ATV66SM8T18CA-HF ATV66SM8T18A-HF ATV66SM8T17CA-HF ATV66SM8T17A-HF ATV66SM8T16CA-HF ATV66SM8T16A-HF ATV66SM8-G ATV66SM843A-G