[4] Gear Jammer started out as an instrumental jam session, the Destroyers liked the song and Thorogood came up with the lyrics for it.
[5] Thorogood later said that "Gear jammer is a slang term for a trucker, and it had a kind of cool vibe about it.
"[1] Thorogood said the title "Gear Jammer" came from a Johnny Cash song.
Tim Peacock of uDiscover Music described the song as a "tour de force truck drivin’ anthem".
[12] Fidel Bessera of Blues Rock Review calls the song a "hard-hitting bluesy rocker".