Injection Molding Machines
Used Sumitomo SE50DU: Sell or Buy at Auction
Sumitomo (SHI) Demag is a leading manufacturer of all-electric and hybrid injection molding machines: formed from the combination of Sumitomo Heavy Industries and Demag Plastics Machinery. The IntElect all-electric series delivers high precision, energy efficiency, and repeatability for medical, packaging, and technical molding applications. Sumitomo Demag machines are a standard in precision plastics manufacturing.
The Sumitomo SE50DU is a 50-ton all-electric injection molding machine from Sumitomo's SE-DU series, the servo-electric line Sumitomo ran in North America before Sumitomo (SHI) Demag settled on IntElect as its standard all-electric branding. Every primary motion on the SE50DU is handled by Sumitomo's in-house servo motors rather than a hydraulic pump: clamp, injection, plasticizing, and ejection. That direct-drive layout is what gives the machine its tight shot-to-shot repeatability, quiet and oil-free operation, and low energy draw, and it reflects one of the longest all-electric track records in the industry. At 50 tons, the clamp is sized for small, tight-tolerance parts rather than large industrial components, so the SE50DU tends to run medical device, electronics and connector, and micro-molding work, often in clean-room or near-clean-room cells where part consistency matters more than raw shot volume. KD Auctions markets machines like the SE50DU to its network of 500,000+ industry contacts. Well-maintained, low-hour units with documented preventive-maintenance records tend to move quickly, since clean small-tonnage all-electric presses come up at auction far less often than hydraulic machines of the same size.
Buying a Used SE50DU
Medical device plastics manufacturers, packaging producers, automotive technical component molders, and precision custom injection molding operations. All-electric IntElect machines attract energy-conscious buyers who value clean room compatibility and process repeatability.
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Sumitomo Demag all-electric machines achieve premium auction results. IntElect machines attract medical and precision molding buyers who recognize their clean-room compatibility and energy efficiency. Well-documented machines with low cycle counts command the strongest prices.
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Frequently Asked Questions
What is a used Sumitomo SE50DU worth at auction?
Value comes down to the machine's age, accumulated hours, overall condition, control and servo-drive health, and any tooling, robotics, or auxiliaries included in the sale. Before an SE50DU goes to auction, KD Auctions offers a free AMEA-accredited, USPAP-compliant appraisal that documents both orderly liquidation value (OLV) and forced liquidation value (FLV), so a seller has a clear, defensible number to set expectations and a reserve against.
How do I sell a used Sumitomo SE50DU?
KD Auctions handles the sale end to end and markets the machine to its network of 500,000+ industry contacts, the molders, dealers, and end users most likely to want a small-tonnage all-electric press like the SE50DU. A managed auction typically runs 6 to 10 weeks from engagement to seller payout, and when a machine needs to be rigged and removed, onsite dispatch arrives within 48 to 72 hours. Commission is tailored to the engagement and quoted upfront, and most sellers pay nothing out of pocket. Documented preventive-maintenance history and low run hours help an SE50DU stand out to that audience.
About Sumitomo
Sumitomo (SHI) Demag is a leading manufacturer of all-electric and hybrid injection molding machines: formed from the combination of Sumitomo Heavy Industries and Demag Plastics Machinery.
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