Kajima Corporation · working robot
A4CSEL automated machines
Quad Accel
Kajima's system that fits standard construction machines with GNSS, gyros, laser scanners and computers so many of them can work on their own under a few operators in a control room. The machines detect people and obstacles and stop and restart automatically.
- Price
- —In-house system, not sold
- Height
- —Not published
- Weight
- —Not published
- Payload
- —Not published
- Speed
- —Not published
- Battery
- —Not published
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Why it matters
One of the first systems to run fleets of driverless bulldozers, dump trucks and rollers together on dam construction.
Real-world use
Started with automatic vibratory rollers at Gokayama Dam in 2015, then Oita River and Koishiwara River dams; more than ten automated machines of three types cast the Naruse Dam embankment, and it was extended to tunnelling in 2024.
Maker
Kajima CorporationCompanyPublic attention
How much public attention A4CSEL (Quad Accel) automated machines gets, from open data.
- No Wikipedia article of its own yet
- No recent press stories listed yet
Measures how much people read and write about a robot, not how good it is. Measured 2026-10-13; same method for every robot. How it is measured
What’s inside
No component details published yet.
- Movement
- Other movement
- How it runs
- Supervised. Works by itself while a person watches and steps in.
Lineage
Every Kajima Corporation machine in order.
Made, sold and where
No production or sales figures published yet.
- Price
- Not publishedIn-house system, not sold
- How to get one
- No official buying page found
Sources
Figures come from press coverage. Every link below backs something on this page.
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