Humanoid & robot atlas
TUG
Photo: Aethon (official image), from aethon.com. Image policy
CommercialUnited StatesFully autonomous

Aethon (ST Engineering Aethon) · working robot

TUG

An autonomous tug that pulls carts of supplies around hospitals and rides elevators. Early versions ran six hours on lead-acid batteries.

Price
$105,000Cheaper than 10%
Height
—Not published
Weight
—Not published
Payload
—Not published
Speed
—Not published
Battery
6 hRuns longer than 21%

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Why it matters

One of the earliest widely deployed autonomous hospital delivery robots.

Real-world use

Used in more than 100 hospitals by 2008 and 140 hospitals plus 40 VA medical centres by 2020.

Timeline

First shown
2008-03-01
Released
Not yet
Earliest sourced description (Machine Design); Aethon founded 2001, launch year not found

Maker

Aethon (ST Engineering Aethon)Company · founded 2001 · Pittsburgh, Pennsylvania, USA

How it stacks up

Against other working & field robots that publish the figure. Pick a measure.

Not published by the maker: height, weight, speed, payload, joints.

Public attention

How much public attention TUG gets, from open data.

  • No Wikipedia article of its own yet
  • 2 news stories from reputable press listed on this page
  • 1 reported deployment

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

The parts the company has talked about publicly.

Movement
Wheeled base
How it runs
Fully autonomous. It drives itself through hospital corridors and calls lifts to deliver carts, with no one at the controls.
Actuators & motors
Two independent DC gearmotors; tows or carries interchangeable carts.
Sensors & vision
Infrared and ultrasonic 'light whiskers'; RFID tracking option.
Compute
On-board computer with a detailed facility map; touchscreen user interface; wireless links to open doors and call elevators.
Battery & power
Four lead-acid batteries for about six hours; full charge in four hours or less (2008 model).
AI & software
Navigation software plans routes, tracks location and avoids obstacles; announces when it is waiting to proceed.

From the maker

TUG is the only machine from Aethon (ST Engineering Aethon) in the atlas.

Watch TUG

Video: ST Engineering, Aethon on YouTube. Plays from youtube-nocookie.com when you press play.

Made, sold and where

Unit counts are usually company figures; analysts often disagree.

Price
$105,000$105,000 to buy or $1,500 per month to lease (Machine Design, 2008).
How to get one
No official buying page found
Sold or delivered
More than 100 hospitals by 2008; $105,000 to buy or $1,500 per month to lease (2008)
Where it is sold or used
Aethon, Pittsburgh (ST Engineering Aethon)
Customers and pilots
Hospitals including Parkview Regional Medical Center (11 TUGs replaced its original 2012 fleet in 2024)

Where it works

1 reported deployment.

Map
  • Deployed

    Parkview Health · Parkview Regional Medical Center · Fort Wayne · since 2012 · 11 units

    Parkview Regional Medical Center uses a fleet of 11 TUG robots to move linens, supplies and pharmacy items. 11 TUGs replacing the 2012 fleet Parkview Health

News

The latest 2, newest first. Summaries are ours; tap through for the original.

  1. Parkview replaces its TUG fleet

    Parkview Regional Medical Center said 11 new TUGs replaced its 2012 fleet after the robots made 41,510 deliveries in 2023.

    Parkview Health
  2. Hospital courier robots

    Machine Design described the TUG's sensors, batteries and pricing and said it worked in over 100 hospitals.

    Machine Design

Sources

Figures come from press coverage. Every link below backs something on this page.

Machine Design Robots making rounds ExecutiveBiz ST Engineering launches Aethon mobile robots amid COVID-19 Parkview Health Newest fleet of robots continue supporting safety and efficiency at PRMC ST Engineering Aethon Aethon Machine Design Robots making rounds

Photos and logos only identify each robot and its maker. Simbeing is not affiliated with, sponsored by or endorsing any company, and nothing here is advertising. Figures are for statistics only and are not advice of any kind. Terms of use