X0101 EFFECT 33 LIVE 2011-02-01 0000088053-11-000156 485APOS 0000747677 DWS INCOME TRUST 002-91577 S000031158 DWS Core Fixed Income Fund C000096682 Class A S000031158 DWS Core Fixed Income Fund C000096683 Class B S000031158 DWS Core Fixed Income Fund C000096684 Class C S000031158 DWS Core Fixed Income Fund C000096685 Class R S000031158 DWS Core Fixed Income Fund C000096686 Class S S000031158 DWS Core Fixed Income Fund C000096687 Institutional Class