We have a wide selection of used Mack semi trucks in stock and ready for immediate delivery. With over 2,000 trucks in inventory, we’re sure you can find the right used Mack semi truck to fit your needs. And since our inventory changes daily, check back often to view the freshest inventory on the market today. With branches located throughout the United States and Canada, we are always close by. Quality, value and selection - Arrow Truck Sales, Inc. is your best source of pre-owned used Mack semi trucks in North America.