The company operates a fleet of five two-car 521 series EMU trains; three second-batch sets (10, 14, and 30) were transferred from JR West, and two third-batch sets (55 and 56) were newly built.
The two new sets were initially delivered in February 2015 in standard JR West livery but were repainted into the IR Ishikawa Railway livery before entering service.
Trains are normally operated as two- or four-car formations.

As of 1 April 2015, the 521 series fleet is as follows.
The company operates a fleet of five two-car 521 series EMU trains; three second-batch sets (10, 14, and 30) were transferred from JR West, and two third-batch sets (55 and 56) were newly built. The two new sets were initially delivered in February 2015 in standard JR West livery but were repainted into the IR Ishikawa Railway livery before entering service. Trains are normally operated as two- or four-car formations.
As of 1 April 2015, the 521 series fleet is as follows.
IR Ishikawa Railway