Sweet Grub Machine Food Truck Event in Hagerstown MD Food truck event in Hagerstown MD . Stop out at Meritus Medical Center (orange entrance) for lunch from Sweet Grub Machine. WHERE: 11116 Medical Campus Rd, Hagerstown, MD 21742 Food items may include: Smash Burgers, Cheese Steak Melts, Fresh Cut Fries, Homemade Mac n Cheese, Buffalo Chicken, Dippin Sticks,Bacon Wrapped Dogs.