The ABB IRB 4400 industrial robot remains one of the most sought-after models on the used market. This popularity comes from two main factors: it sees limited use in the automotive industry, and it works perfectly for many medium-capacity and medium-reach applications. The ABB 4400 features a compact footprint, excellent speed, and remarkable flexibility, offering an outstanding balance of reach and payload capacity. Its relatively lightweight design allows easy mounting on a seventh-axis track, significantly expanding its working range. The 4400 handles a wide variety of tasks, including pick-and-place, machine tending, grinding, welding, deburring, trimming, and sealing.