The truck was stolen outside Mama's Boy Heating Oil, located in the 5800 block of Whitby Avenue in Southwest Philadelphia.
The delivery truck driver called police when he arrived at work around 6:00 this morning.
The truck contained 2,800 gallons of home heating oil and $3,000 in cash.
The blue Ford truck says "Mama's Boy" on the passenger and driver's side doors.
Anyone with information is asked to call police.