ESSENDON has caused a major upset with a 55-point win over the Western Bulldogs at Etihad Stadium.

The win was the perfect start for James Hird's coaching career.

The Bombers kicked 16.17 (113) to 8.10 (58).

Jobe Watson had 32 disposals for Essendon, while first-gamer Dyson Heppell starred.