Used Single Screw Extruders for Sale
Single screw extruders are continuous processing machines used to melt, mix, and shape thermoplastic materials through a rotating screw inside a heated barrel. These systems are widely used in plastics manufacturing to produce consistent profiles, films, sheets, tubing, and pellets. Compared to twin screw extruders, single screw extruders are typically simpler in design and well-suited for straightforward extrusion processes. Used single screw extruders are commonly utilized in plastics processing, compounding, and recycling operations. Aaron Equipment offers used single screw extruders for sale in a range of screw diameters, L/D ratios, and output capacities to meet various production requirements.
Stock No.:
54506009Used Davis-Standard 60IN60TPIH 6" Single Screw Extruder – 34:1 L/D, 400 HP, Vented Barrel with ABB Drive
Used Davis-Standard 60IN60TPIH 6" Single Screw Extruder 34:1 L/D, 400 HP, Vented Barrel with ABB Drive. Features a 34:1 L/D ratio with a water-cooled, vented barrel incorporating six cooling zones; vent is located approximately 130" from the center of the feed throat and is currently plugged. Cooling system includes a 1/2 HP recirculation pump, heat exchanger, and 32" x 24" x 12" water reservoir. Driven by a 400 HP WEG AC motor (1,790 RPM) with ABB AC drive and a Davis-Standard Model 60IN60TPIH gearbox featuring a 17.2:1 ratio and rated for 526 HP with a 1.5 service factor. Temperature controls include six-barrel zone Solo 4896 controllers and seven die zone Omron E5EC controllers. Operator controls feature a speed pod with screw RPM, motor load percentage, and pressure transducer gauges. Includes hopper, 42" centerline height, and serial number PT238. Approximate footprint is 25' L x 8' W. Built 1994.
MFR: Davis Standard
Stock No.:
54506010Used & Reconditioned Davis-Standard 600S Thermatic 6" Single Screw Extruder – 300 HP, 30:1 L/D, Reconditioned in 2025
Used & Reconditioned Davis-Standard 600S Thermatic 6" Single Screw Extruder 300 HP, 30:1 L/D, Reconditioned in 2025. Features a 30:1 L/D ratio with a PE/PP screw and a 17.21:1 gearbox ratio. Powered by a new 300 HP Westinghouse AC motor with a new WEG AC inverter drive. Equipped with a refurbished 10-zone control panel consisting of six barrel heating zones and four downstream zones, all fitted with new Eurotherm 3216 temperature controllers. Gearbox has been rebuilt with all internal bearings replaced except the thrust bearing. Serial No. F-9731, S.O. 901180. Electrical requirements are 460 Volt, 3 Phase, 60 Hz. Approximate overall dimensions are 242" L x 74" W x 102" H with an estimated weight of 23,000 lbs. Originally built in 1998, reconditioned in 2025.
MFR: Davis Standard
Stock No.:
54506011Used PTI 6000 6" Single Screw Extruder – 400 HP, 30:1 L/D, WEG Drive & Flender Gearbox
Used PTI 6000 6" Single Screw Extruder 400 HP, 30:1 L/D, WEG Drive & Flender Gearbox. Features a 30:1 L/D ratio with an air-cooled barrel, seven barrel heating zones, and sixteen downstream heating zones. Driven by a 400 HP WEG AC motor with WEG CFW-11 inverter drive and a Flender Model SZNF 390 gearbox featuring a 21.7:1 ratio and rated for up to 701 HP. Includes a 9" L x 7" W feed throat, 62" centerline height, 900-amp disconnect, and electrical requirements of 460 Volt, 3 Phase, 60 Hz (780 FLA). Mounted on V-groove casters for ease of positioning. Serial No. 3768. Approximate overall dimensions are 24' L x 100" W x 106" H with an estimated weight of 26,000 lbs. Built 2003.
MFR: PTI
Stock No.:
54506012Used Welex 6.0 30D 6" Single Screw Extruder – 500 HP, 30:1 L/D, Vented Barrel with Dynisco Hydraulic Screen Changer
Used Welex 6.0 30D 6" Single Screw Extruder 500 HP, 30:1 L/D, Vented Barrel with Dynisco Hydraulic Screen Changer. Featuring a 30:1 L/D ratio with an air-cooled, vented barrel (vent currently plugged) located approximately 120" from the center of the feed throat. Equipped with six barrel heating zones, nine die heating zones, Tempco Cool Touch heater bands, and a direct-driven Koellmann gearbox with an 8.7:1 ratio. Driven by a 500 HP Reliance AC motor rated for up to 200 screw RPM. Includes a 10" L x 8" W feed throat, 68" centerline height, and a 6" Dynisco hydraulic screen changer complete with hydraulic power unit. Electrical requirements are 460 Volt, 3 Phase, 60 Hz. Previously operated on PET resin. AC drive is not included. Approximate overall dimensions are 330" L x 84" W x 102" H with an estimated weight of 37,000 lbs.
MFR: Welex
Stock No.:
10755163Used Davis Standard 9" Extruder, Model 80IN80HT – 32:1 L/D, 900 HP Motor, Built 2001
Used- Davis Standard 9" Extruder, Model 80IN80HT. 32:1 L/D ratio; (7) zone electrically heated, water cooled (closed loop), and vented barrel at a 44" center-line; 10.15:1 Gearbox reduction ratio; Gearbox rated at 1080 HP at a service factor of 1.5; Gearbox is direct driven in a wrap-around manner by a 900 HP Reliance Super RPM D/C motor; Liquid cooling system with heat exchanger for gearbox protection; 16" x 9 1/2" on center feed throat entrance; PSI continuous screen changer w/ stand is mounted on the extruder discharge. 16" x 9.5" feed throat with magnet; 52,000 lbs. extruder weight; 1,000 lbs. motor weight. Rare opportunity to purchase an extruder of this size. Per Davis Standard the thrust bearing rating is actually 1,468,000 pounds or 665,874 kgs. Unit was miss tagged at the factory. Serial# AA454. Built 2001. Last used in the extrusion of PP sheet. SCR and temperature control panel not included.
MFR: Davis Standard
Single Screw Extruder Applications & Typical Use Cases
Used single screw extruders are widely used in continuous thermoplastic processing applications. Typical use cases include:
Film and sheet extrusion for packaging and industrial materials
Pipe, tubing, and profile extrusion
Pelletizing and reprocessing of plastic resins
Coating and lamination processes
Recycling and regrind extrusion
These machines are commonly used across plastics manufacturing, packaging, construction materials, and recycling industries.
When to Choose a Single Screw Extruder
Single screw extruders are best suited for applications involving homogeneous materials and consistent processing conditions. They are often preferred over twin screw extruders for simpler extrusion processes that do not require intensive mixing or compounding. Operations focused on melting and forming thermoplastics into finished shapes or pellets commonly rely on single screw extruders for their efficiency, ease of operation, and lower maintenance requirements.
Used Single Screw Extruder Buying Considerations
When evaluating a used single screw extruder, consider:
Screw diameter and L/D ratio: Impacts throughput, melting efficiency, and process stability
Barrel and screw condition: Check for wear, corrosion, or rebuild history that could affect performance
Output capacity: Ensure the extruder meets required production rates
Drive system and motor power: Confirm adequate torque and speed control for your material
Heating and control systems: Evaluate temperature zones, controls, and compatibility with your process
Why Buy Used Single Screw Extruders
Purchasing a used single screw extruder allows processors to reduce capital investment while maintaining reliable production capabilities. Many units are available for immediate delivery, helping operations avoid long lead times associated with new equipment. Used extruders also provide access to proven designs that can be quickly integrated into existing extrusion lines.
Sell Your Used Single Screw Extruders
Aaron Equipment purchases surplus and used single screw extruders from a wide range of manufacturers and configurations. Whether you are upgrading extrusion lines, closing a facility, or selling idle equipment, our team can assist with buyouts or consignment opportunities.
A single screw extruder is a continuous processing machine that uses a rotating screw within a heated barrel to melt and convey thermoplastic material. The molten material is then pushed through a die to form products such as film, sheet, tubing, or pellets.
Single screw extruders are used for producing plastic products such as films, sheets, pipes, tubing, and profiles. They are also used in pelletizing and recycling applications where thermoplastics need to be melted and reshaped.
Single screw extruders are typically used for simpler, homogeneous materials and processes, while twin screw extruders provide more intensive mixing, compounding, and material handling capabilities. Twin screw systems are often preferred for complex formulations, while single screw extruders are used for standard extrusion operations.
The cost of a used single screw extruder depends on factors such as screw size, L/D ratio, manufacturer, output capacity, condition, and included components. Larger, high-capacity systems or those with advanced controls typically command higher prices.
Yes. Aaron Equipment purchases used single screw extruders across a range of sizes and configurations. If you have extrusion equipment available for sale, submit your details to receive an evaluation from our team.