Mack Trucks Econodyne I (1990 - 2005)

AC-350 12.0 352hp (259kW) 1844Nm 352 → 420 hp +68 hp AC-400 12.0 405hp (298kW) 1979Nm 405 → 480 hp +75 hp AC-427 12.0 432hp (318kW) 2115Nm 432 → 490 hp +58 hp AC-460E/P 12.0 466hp (343kW) 2250Nm 466 → 520 hp +54 hp AI-300A 12.0 305hp (224kW) 1627Nm 305 → 360 hp +55 hp AI-350 12.0 355hp (261kW) 1708Nm 355 → 420 hp +65 hp AI-375A 12.0 381hp (261kW) 1708Nm 355 → 440 hp +85 hp AI-400 12.0 405hp (298kW) 1843Nm 405 → 470 hp +65 hp AI-427 12.0 432hp (318kW) 1979Nm 432 → 490 hp +58 hp AI-460 12.0 466hp (343kW) 2115Nm 466 → 530 hp +64 hp