Diggers with no driver are suddenly a hot bet for investors

Investors are pouring money into excavators that dig with nobody in the cab. Bedrock Robotics just raised $600 million at a $4.1 billion value, Bloomberg reports. That is more than double the $1.75 billion value the company had in February.

What Bedrock does

Bedrock was founded in 2024 by former Waymo engineers. It does not build new machines. It bolts autonomy kits onto existing excavators so they can dig and move earth with an empty cab. Its total funding is now close to $1 billion.

Since August, Bedrock has done paid work on live sites. These include a Nevada water-treatment plant, a Texas earthmoving job and a large project with Zachry.

A crowded race

Bedrock is not alone. Gravis Robotics raised $200 million in August, and Eka Robotics landed $150 million last week. Together, the three startups raised $950 million in 10 weeks.

Why builders care

Bedrock says mastering an excavator takes five years or more, and construction struggles to find operators. Machines that run themselves could help ease that gap. The company plans to expand across the U.S., take on harder tasks and larger machines, and eventually run coordinated fleets.

What is not yet clear is what the kits cost, how many machines are at work, or when an ordinary contractor could get one. This is still early.