The vehicle was on its way to Jammu from Kathua when it turned turtle near Jatwal chowk on the Jammu Pathankot National Highway, killing the four personnel on the spot, a police officer said.
He said eight army personnel injured in the accident have been admitted to the district hospital in Samba.
Local residents and police launched a rescue operation soon after the accident, he said, adding a case has been registered to investigate the cause of accident.