Gucci had been linked with a move to Persepolis last year but opted to play in Sydney FC and then joined Eredivisie side Zwolle.
Tractor has not won the Iran Professional League so far and wants to end the title drought.
The team won Iran’s Hazfi Cup last month and will meet Persepolis in Iran’s Super Cup.
Tractor will also participate at the 2021 AFC Champions League.
Ghoochannejhad was a member of Iran national football team in the 2014 and 2018 FIFA World Cups.