Boston Dynamics' Atlas: From Hydraulic to Fully Electric

One of the most visible platform transitions in the industry's recent history.

Boston Dynamics' original Atlas platform used hydraulic actuation, giving it exceptional dynamic capability — the parkour and backflip demonstrations that made it famous — at the cost of complexity, maintenance burden, and noise inherent to hydraulic systems.

Why the switch to electric

The newer, fully electric Atlas trades some peak dynamic capability for the efficiency, cleanliness, quieter operation, and dramatically simpler maintenance of electric actuation — a tradeoff that makes far more sense for a platform aimed at eventual commercial deployment than for one built primarily to showcase dynamic athleticism.

What it signals about the industry

Boston Dynamics making this switch, after building its reputation partly on hydraulic Atlas's athletic demos, is a strong signal of where the broader industry consensus has landed: commercial viability favors electric actuation's practicality over hydraulics' raw dynamic ceiling, at least for now.