The victims were identified as Hridoy Mridha, 18, son of Monir Mridha; Bishal Nag, 16, a student at Kashiani Technical School and son of Babul Nag; and Dipu Das, 18, son of Bishnupodo Das, all from Kashiani upazila.
The trio was on their way to Muksudpur upazila to drink raw date juice when the tragic accident occurred.
The bodies were taken to Kashiani Upazila Health Complex for post-mortem. The police are investigating the incident.