Preferred Robotics · working robot
Kachaka
A low, flat home robot that slides under and docks with a special shelf, then carries it to wherever the user asks by voice or app, mapping the home with its own sensors. It is 12.4 cm tall, weighs 10 kg and moves loads up to 20 kg including the shelf.
- Price
- —228,000 yen for the robot plus 980 yen a month; shelves 23,800-29,800 yen (Feb 2023)
- Height
- 12 cmTaller than 6%
- Weight
- 10 kgHeavier than 5%
- Payload
- 20 kgCarries more than 13%
- Speed
- 1.4 km/hFaster than 3%
- Battery
- —Not published
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Why it matters
Kachaka is on the market today.
Real-world use
No customers or deployments reported yet.
Maker
Preferred RoboticsCompanyHow it stacks up
Against other working & field robots that publish the figure. Pick a measure.
Kachaka is taller than 6% of the 72 other working & field robots that publish a height. Bars show the 7 closest in date.
Kachaka is heavier than 5% of the 75 other working & field robots that publish a weight. Bars show the 7 closest in date.
Kachaka is faster than 3% of the 86 other working & field robots that publish a speed. Bars show the 7 closest in date.
Kachaka carries more than 13% of the 84 other working & field robots that publish a payload. Bars show the 7 closest in date.
Not published by the maker: joints, battery, price.
Public attention
A hidden gem: a recent robot with full published specs that gets little attention so far.
- 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
- Wheeled base
From the maker
Kachaka is the only machine from Preferred Robotics in the atlas.
Made, sold and where
No production or sales figures published yet.
- Price
- Not published228,000 yen for the robot plus 980 yen a month; shelves 23,800-29,800 yen (Feb 2023)
- How to get one
- No official buying page found
Sources
Figures come from the maker. Every link below backs something on this page.
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