Council Buffs, IAUSDOT 2406601 power unit, 2 drivers
Grinnell, IAUSDOT 2435951 power unit, 1 driver
Worthington, IAUSDOT 2517711 power unit, 1 driver
Smithland, IAUSDOT 2520111 power unit, 1 driver
Dallas Center, IAUSDOT 2526691 power unit, 2 drivers
Grand Junction, IAUSDOT 2531241 power unit, 2 drivers
Castana, IAUSDOT 2603521 power unit, 1 driver
Renwick, IAUSDOT 2657311 power unit, 1 driver
Oskaloosa, IAUSDOT 2835591 power unit, 2 drivers