Spot
Boston Dynamics Spot + Spot Arm · Boston Dynamics
- 18
- 0.84 m
- 32.5 kg
- 14 kg
- 984 mm
- 1.6 m/s
- 333 Hz
- ±5 mm arm repeatability
- IP54
- 605 Wh hot-swappable
- ~90 min
- Spot CORE I/O + Jetson Xavier payload
- Wi-Fi 5, Gigabit Ethernet payload port, gRPC API
Actuators
3Joints and end effectors that produce the action vector recorded in datasets.
Leg joints
×12Electric rotary with harmonic-style reducer
3 per leg (hip x2, knee)
Spot Arm joints
×6Electric rotary
984 mm reach, 11 kg lift
Gripper
×1Single-DoF jaw
integrated camera in jaw
Motors & drives
2The drive units inside those joints, with torque and reduction details.
Custom brushless leg motor
BLDC + planetary reducer
high-bandwidth torque control
Arm joint motor
BLDC
force-limited compliant control
Sensors
4Observation streams available to a policy running on this platform.
5 stereo camera pairs
Stereo depth + grayscale
360° obstacle perception, 4 m range
Spot CAM+
Pan-tilt-zoom RGB
30x optical zoom payload
IMU
6-axis
body state estimation
Joint position/torque
Encoder + current sensing
all 12 leg joints
Widely deployed for industrial inspection; the arm makes it a mobile manipulation platform.
Data recorded on this hardware
Resolving related models, datasets and papers…
