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Boston Dynamics unveils Stretch Gen 2, which can unload up to 1,000 boxes per hour

bostondynamics.com reported on Nov. 3, 2026, under the headline “Boston Dynamics unveils Stretch Gen 2, which can unload up to 1,000 boxes per hour.”

What happened

bostondynamics.com reported on Nov. 3, 2026, under the headline “Boston Dynamics unveils Stretch Gen 2, which can unload up to 1,000 boxes per hour.” We could not verify the primary source, so please refer to the original for details.

Why it matters

According to Boston Dynamics, Stretch Gen 2 can handle up to 1,000 boxes per hour, although its speed depends on box weight and how the boxes are stacked. The robot is also designed to reduce the time needed to replace drive components to about one hour and enable customers' maintenance staff to perform more of the work. At unloading sites, deployment decisions therefore depend not only on throughput but also on how well the robot handles different loads and how quickly operations can resume after a stoppage.

Analysis

Alongside a capacity of up to 1,000 boxes per hour, a central feature of the new design is its use of operational experience to inform maintenance. Boston Dynamics says it analyzed more than 100,000 operating hours and tens of millions of boxes unloaded by the first-generation model, reducing internal wiring by 81% and cutting the time to replace all drive components from a full day to about one hour. This suggests the company treats the burdens of recovery after a stoppage and routine maintenance as part of the product's operational performance, not just its speed. These figures, however, are from the first generation and do not indicate Gen 2's uptime or failure rate. The design addresses both machine durability and software updates after deployment. The company says it has revised the wiring, connections, rotating joints and gripper, while a new onboard computing platform and software updates will improve functions such as case detection and motion planning. In other words, the company is touting both hardware changes to reduce physical causes of stoppages at unloading sites and improvements to functions that can be applied across a fleet. The announcement does not provide figures on update frequency or quantified performance gains. In a related article, this newspaper covered [Hyundai Mobis to mass-produce in-vehicle communications device integrating six functions in 2028; Hyundai Wia to make transport robots](/news/gendai-moobisu-6-kinou-tougou-no-shasai-tsuushinsouchi-wo-20-5c5ccb). That article focused on an in-vehicle communications device and vehicle transport robots, which differ in application and process from Stretch Gen 2's trailer unloading. The only point of comparison is that robot deployments need to be considered not just in terms of the finished machine's performance, but also in light of the functions and operating conditions required at each site. With Stretch, box weight and stacking affect throughput, while operation in low light and handling multiple boxes are among the listed capabilities. The loads at a site and its maintenance arrangements will therefore shape the robot's actual performance. The next figures to examine are Gen 2's operating results for downtime, failure frequency and hourly throughput, including the load configurations and weights under which they were achieved. The announcement also does not specify the scope of tasks customers' maintenance staff can take on or the results of shifting those tasks to them. The announced specifications and the first generation's operating record should not be confused with Gen 2's operational results.

Sources

Translated from the Japanese original: /news/boston-dynamics-stretch-gen-2-wo-happyou-saidai-maiji-1000-h-d5e840. The Japanese version is authoritative if they differ.