Troopers say the motorcycle, which had a sidecar attached, was heading north on route 183 in Penn Township. They say the motorcycle crossed the center line for unknown reasons and collided with the southbound truck at about 3:11 p.m. Saturday.
State police say both the motorcycle operator and his passenger were pronounced dead at the scene. The operator, 56-year-old Samuel Neuin, of Temple, was not wearing a helmet. His passenger, 60-year-old David Neuin, of Rehersburg, was wearing a helmet. No one in the truck was hurt.