Used 26MM Coperion ZSK 26 Co-Rotating Twin Screw Extruder with Estimated 48:1 L/D Ratio, PIV Drive, Upgraded VFD and Spare Parts. Features 26 mm nominal screw diameter, co-rotating intermeshing twin screws, and an estimated 48:1 length-to-diameter (L/D) ratio. Equipped with PIV Drives GmbH variable-speed drive assembly, rated 27.5/32 kW (approximately 37/43 HP), with 1.89:1 gearbox reduction ratio and nameplate output speeds of approximately 1,200/1,800 RPM. PIV drive Serial # 717591, lubrication specification CLP ISO VG 320, approximately 6.5-liter oil capacity. Recently upgraded with new variable frequency drive (VFD) and cabinet cooling fans. Includes electrical control cabinet, feed system components, and additional spare parts, some new and unused. Coperion Machine No. 09-3008, Project # 09-3008, Serial # 20510732, Work # 64024177/030. Suitable for pilot-scale extrusion, biomass processing, plastics compounding, material mixing, and research and development applications involving compatible polymers, chemicals, and biomass materials. Previously utilized as a feed system for a biomass processing pilot plant.