DelMauro finished with 75 yards rushing and Williams added 68 as Bucknell (2-4, 0-2 Patriot League) snapped a four-game losing streak. The win also snapped a four-game skid against Dartmouth.
Brandon Wesley, who completed 11 of 21 passes for 127 yards, became Bucknell's all-time leading passer, usurping Scott Auchenbach (1986-89).
Dartmouth (2-3, 1-1 Ivy League) converted just 3 of 16 third downs and was limited to 252 total yards. Four Bucknell players racked up seven sacks, led by Tracy Smith, who matched his season total coming into the game with 2 1/2.
Dominick Pierre finished with 19 carries for 75 yards rushing and a score in the loss.