Dobot MG400

$3,780 (reseller)

AvailablePython from a laptop4-axis desktopA4 footprint±0.05 mm

Weeks+Shipping: Distributor lead time.

Remote control: Over Ethernet with Dobot's TCP/IP protocol, using the official Python demo library (Dobot-Arm/TCP-IP-4Axis-Python) or the MG400 ROS driver.

LEARN MORE (Official page) ↗

Overview

A desktop four-axis arm with a footprint smaller than A4 paper, aimed at light pick-and-place, testing and lab automation. It sits between Dobot's education arms (Magician) and its CR cobots, offering industrial-style servo drives and ±0.05 mm repeatability in a unit one person can carry.

Type: Robot arm · Research & collaborative arms
Maker: Dobot (China)
Released: 2020
Price: $3,780 (reseller)
Status: Available
Best for: Professionals & labs
Programming: Full SDK

Price and shipping

RobotShop lists the MG400 at $3,780 (RobotShop US, September 2026). No public list price on Dobot's site, which sells through distributors. Dobot launched the MG400 in December 2020 (with a Kickstarter pre-order campaign).

Shipping: Distributor lead time. Sold through Dobot distributors on quotation.

Specifications

Category	Robot arms · Research & collaborative arms
Released	2020
Country	China
Availability	Available
Sales	Over 100,000 Dobot robots sold across 100+ countries, company-wide (estimate) Dobot ↗
Programmability	Full SDK
Built-in autonomy	None / scripted · Moves only when controlled, or plays preset motions
LLM support	Possible via SDK · TCP/IP API with Python demos and ROS driver, no built-in LLM.
MuJoCo simulation	Maker URDF only · Maker's MG400_ROS has a URDF, nothing for MuJoCo. MG400_ROS ↗
NVIDIA Isaac simulation	Maker URDF only · Maker's MG400_ROS has a URDF, nothing for Isaac. MG400_ROS ↗
Gazebo simulation	Maker URDF only · Maker's URDF package has only an RViz display launch. MG400_ROS ↗
Best for	Professionals & labs
Vision sensors	No vision sensors
Actuators	Brushless / direct-drive motors
Audio	No audio
Compute type	Proprietary / undisclosed
Remote control	Python from a laptop
DOF	4
Reach	440 mm working radius
Payload	500 g (max 750 g)
Repeatability	±0.05 mm
Weight	8 kg
Controller	Controller and servo drives integrated in the base (48 V)
Sensors	High-resolution servo encoders, collision detection
SDK	TCP/IP API with Python, C++, C#, Java, ROS, MATLAB and LabVIEW demos, DobotStudio Pro and CRStudio app

Common questions

How much does Dobot MG400 cost?

Dobot MG400 is listed at $3,780 (reseller). RobotShop lists the MG400 at $3,780 (RobotShop US, September 2026). No public list price on Dobot's site, which sells through distributors. Dobot launched the MG400 in December 2020 (with a Kickstarter pre-order campaign).