Truck 81 is assigned to Firehouse 51.
- Matthew Casey (Captain)
- Brian Zvonecek (Driver/Engineer)
- Christopher Herrmann (Firefighter)
- Randy McHolland (Firefighter)
- Stella Kidd (Firefighter)
- Andrew Darden - Killed in the line of duty.
- Jose Vargas - Transferred to Squad 3.
- Peter Mills - Transferred to Squad 3.
- Rebecca Jones - Committed suicide.
- Joe Cruz - Transferred to Squad 3.
- Jimmy Borrelli - Transferred to Ambulance 61 due to lack of staff, then returned to Truck 81. Borrelli was later dismissed on medical grounds after being critically injured in the line of duty.