10 Yard Dumpsters Dimensions - A: 3ft., B: 8ft., C: 10ft. 12 Yard Dumpsters Dimensions - A: 4ft., B: 8ft., C: 12ft.   15 Yard Dumpsters Dimensions - A: 4ft., B: 8ft., C: 13ft. 20 Yard Dumpsters Dimensions - A: 5ft., B: 8ft., C: 22ft. 30 Yard Dumpsters Dimensions - A: 6ft., B: 8ft., C: 22ft.   40 Yard Dumpsters Dimensions - A: 8ft., B: 8ft., C: 22ft.