
$4,545.95 – $4,995.95Trossen store prices for the Base, Leader and Follower (with RealSense D405) versions, checked Sep 2026.
AvailablePython from a laptop1.5 kg payloadLeRobotROS 2Leader/follower teleop
Possibly ≤ 1 weekShipping: 2–3 weeks. Built to order by Trossen with an average production time of 2–3 weeks before shipping.
Remote control: The iNerve controller connects to a laptop over Ethernet, and the trossen_arm Python library or LeRobot scripts drive the arm directly.
Overview
Trossen's machine-learning arm, announced in February 2025 with the Trossen AI kits and shipping from spring 2025. It replaced the Dynamixel-based WidowX 250 with a CNC-aluminum arm, a custom controller and six times the payload, and it is the building block of the newer Trossen AI Stationary kits. Trossen's 2026 lineup adds WidowX Core, Pro and Pro Heavy configurations on the same controller.
Specifications
| Category | Robot arms · Research & collaborative arms |
|---|---|
| Released | 2025 |
| Country | USA |
| Availability | Available |
| Programmability | Open source (hardware + software) |
| Best for | Ages 16+ (estimated) |
| Vision sensors | Depth camera |
| Actuators | Other |
| Audio | No audio |
| Compute type | Laptop / PC as the brain |
| Remote control | Python from a laptop |
| DOF | 6 (+ gripper) |
| Reach | 700 mm |
| Payload | 1.5 kg |
| Repeatability | 1 mm |
| Weight | 4 kg |
| Controller | iNerve controller, Ethernet to a host PC |
| Sensors | Joint feedback through the iNerve controller, Intel RealSense D405 depth camera on the Follower version |
| SDK | trossen_arm C++/Python driver, Hugging Face LeRobot, ROS 2, MuJoCo, Gazebo and NVIDIA Isaac support |
Ratings & reviews
Ratings and reviews load on the live site.
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- Image 1: source (official product photo, Leader version, rights with manufacturer)