They're Library of Congress pictures, here's links : Auto wreck, Wash., D.C., c1917 Auto wreck, Wash., D.C., c1917, Mass Ave.? Auto wreck, Mass. Ave., Wash., D.C., c1917 Auto wreck, Mass. Ave.?, Wash., D.C., c1917
The street cleaner is a Kenworth and if the picture in the original post was the Seattle Street Dept tow truck it's a Kenworth too. Seattle Street Dept tow truck