Trossen Robotics Interbotix WidowX 250 (6DOF / 250 S) price & specs

Trossen Robotics (USA) Interbotix WidowX 250 (6DOF / 250 S) (1)

Trossen Robotics (USA) Interbotix WidowX 250 (6DOF / 250 S) (2)

Was $2,895.95

Discontinued · used/leftover onlyPython from a laptopDynamixel servosROS / ROS 2BridgeData / Open X armPincherX & ViperX siblings

Weeks+Shipping: Used / leftover.

Remote control: The arm plugs into a Linux laptop over USB, and the Interbotix Python API (on top of ROS 2) commands joints or end-effector poses.

LEARN MORE (Official page) ↗

Overview

The research lab's default low-cost arm for several years, used as the leader arm in ALOHA and as the robot for the BridgeData robot-learning datasets, which were all collected on a WidowX 250 6DOF. It sits between the tiny 4-DOF PincherX 100 (50 g payload) and the larger ViperX 300 S (750 g). Trossen now marks the 250 S as discontinued in favor of its WidowX AI line, but used units and spare Dynamixels are easy to find.

Type: Robot arm · Desktop & hobby arms
Maker: Trossen Robotics (USA)
Released: 2019
Price: Was $2,895.95
Status: Discontinued · used/leftover only
Best for: Ages 16+
Programming: Full SDK

Price and shipping

2020 Trossen price for the WidowX 250 6DOF ($2,495.95 for the original 5DOF in 2019). Now listed as discontinued. The WidowX AI ($4,545.95+) replaces it.

Shipping: Used / leftover. Discontinued by Trossen. Used units appear on eBay and lab surplus. The WidowX AI replacement has 2–3 week production times.

Specifications

Category	Robot arms · Desktop & hobby arms
Released	2019
Country	USA
Availability	Discontinued · used/leftover only
Programmability	Full SDK
Built-in autonomy	None / scripted · Moves only when controlled, or plays preset motions
LLM support	Possible via SDK · No built-in LLM. Its SDK lets software on a computer control it.
MuJoCo simulation	Official model · In MuJoCo Menagerie (trossen_wx250s). MuJoCo Menagerie ↗
NVIDIA Isaac simulation	Maker URDF only · Maker publishes URDFs (interbotix_xsarm_descriptions), nothing packaged for Isaac. interbotix_ros_manipulators ↗
Gazebo simulation	Official model · Maker's ROS packages include interbotix_xsarm_gazebo / sim. interbotix_ros_manipulators ↗
Best for	Ages 16+ (estimated)
Vision sensors	No vision sensors
Actuators	Smart servos (Dynamixel, Feetech…)
Audio	No audio
Compute type	Laptop / PC as the brain
Remote control	Python from a laptop
DOF	6 (+ gripper)
Reach	650 mm
Payload	250 g (at ≤50% extension)
Repeatability	1 mm (accuracy 5–8 mm)
Weight	Not published
Controller	None on board, U2D2 USB adapter to a host PC
Sensors	Dynamixel X-series joint position, velocity and current feedback (7× XM430-W350, 2× XL430-W250)
SDK	Interbotix ROS / ROS 2 packages (URDF, MoveIt, Gazebo) with a Python API, Dynamixel SDK

Common questions

How much does Interbotix WidowX 250 cost?

It sold for $2,895.95. 2020 Trossen price for the WidowX 250 6DOF ($2,495.95 for the original 5DOF in 2019). Now listed as discontinued. The WidowX AI ($4,545.95+) replaces it.

Can Interbotix WidowX 250 be bought today?

It is discontinued, though used or leftover units still turn up. Discontinued by Trossen. Used units appear on eBay and lab surplus. The WidowX AI replacement has 2–3 week production times.