Used Size Reduction Grinders & Granulators for Sale
Size reduction grinders and granulators are industrial machines designed to reduce plastic materials into smaller, uniform particles for recycling, reprocessing, or disposal. These systems use cutting blades, rotors, and screens to break down scrap plastic, runners, purgings, and other materials into reusable granules. Used size reduction grinders and granulators are widely utilized in plastics manufacturing, recycling operations, and material recovery facilities where consistent particle size and efficient throughput are required. Aaron Equipment offers a range of used grinders and granulators for sale, supporting various material types, capacities, and processing needs.
Stock No.:
44496018Used 30HP Plastic Granulator – Andritz Sprout-Bauer DSF1518, 7-Knife Rotor
Used- Andritz / Sprout-Bauer 30HP Model DSF1518 Granulator. 7-knife rotor, 2 bed knife. Driven by 30 HP 460 volt only motor, belt drive. 5" X 18" blow-in in-feed hopper, vacuum take-off discharge. Mounted on a short leg base. No starter/controls. Designed for film granulation. Previously used for recycling polyester film edge trim.
MFR: Sprout Bauer
Stock No.:
10755147Used Tria Model 900 NS-R Pull Roll Granulator – High-Performance Industrial Granulator
Used Tria Model 900 NS-R Pull Roll Granulator. 12.5" x 40" feed throat (1020mm x 320mm). Five (5) knife open rotor with two (2) bed knives. Rotor is belt driven by a 22 Kw (30 HP). Feed hopper with rear mounted 36" wide steel / serrated pull rolls. Air actuated feed rolls are powered by a 1 Kw (1.5 HP) A/C motor. 9" x 19.5" front material hopper entrance. 12.6 Kw (17 HP) blower discharge with Kongskilde OK160 piping and cyclone with filter bag. Approximate production rate of 400-600 kg/hr. (880-1320 lbs./hr.). Includes free standing panel with controls. 480/3/60
MFR: Tria
Stock No.:
10128120Used Granutec 1216PG-30 Plastic Granulator | 30 HP Industrial Plastic Grinder
Used Granutec 1216PG-30 Plastic Granulator | 30 HP Industrial Plastic Grinder. The serial number is 302-3795. The throat is 11" by 11". It has 7 knives. The motor is 30 hp and requires 230/460 vac 3 ph and goes 1760 rpm. On casters.
MFR: Granutec
Stock No.:
51068005Used – Cumberland 14-85 Pelletizer – 14” Pelletizer with 24-Knife Rotor & 30 HP Motor
Used Cumberland 14-85 Pelletizer 14" Pelletizer with 24-Knife Rotor & 30 HP TECO/Westinghouse AC motor, bolt on blades, ABB VS AC drive in panel mounted to base, new belts, new rotor and feed roll bearings, one knurled, one poly infeed roll, manual pull roll tension, machine is bolted onto a 33"H steel stand with fork rails and diamond plate steel stairs. blades sharpened, new hardware, 64" discharge height, approximately 101" feed height, wired for 460V. Footprint is 90"L x 56"W x 119"H.
MFR: Cumberland
Stock No.:
53890001Used Herbold Granulator. 15.5" x 15.5" feed opening
Used- Herbold Granulator. 15.5" x 15.5" feed opening; (3) complete sets of (9) blades w/ (17) spares; 3 complete sets of (2) counter blades w/ (5) spares; 6mm and 9.5mm screens. Approx. OAD: 8.9' L x 5.3' W x 7.3' H. Driven by a 40 HP, 3/60/575V motor. With control panel. Previously used for plastic. Our freight specialists can assist you with door to door transportation and all customs documents needed to make the process go as smoothly as possible.
MFR: Herbold
Stock No.:
10755185Used Cumberland 1456i Granulator – 75 HP Twin Shear Rotor with 68" Pull Rolls
Used- Cumberland Granulator, Model 1456i. 14" x 56" feed throat. Three (3) knife twin shear rotor with two (2) bed knifes. Rotor is belt driven by a 75 HP, 3/60/460 Volt motor. 68" wide in feed pull rolls with 5 HP D/C motor. Feed rolls are pneumatically actuated. Upper and lower feed rolls are poly covered. Pull roll hopper only. No controls included.
MFR: Cumberland
Stock No.:
54129002Used Tria Model TR 120 49 Granulator | 50 HP | 1,200 kg/hr | Water-Cooled, Soundproofed Plastic Recycling Grinder
Used Tria Model TR 120 49 Granulator | 50 HP | 1,200 kg/hr | Water-Cooled, Soundproofed Plastic Recycling Grinder. Diameter: 490 mm Rotor Width: 1,200 mm Feed Opening: Approximately 970 mm wide 120 mm high Rotor Type: Open rotor with 5 rows of 2 knives (10 total) Stator (Bed) Knives: 4 total (2 front, 2 rear) Drive Motor: 50 HP (approx. 37 kW) Voltage: 460V / 480V, 3-Phase Frequency: 60 Hz Cutting Chamber: Water-cooled Throughput Capacity: Up to ~1,200 kg/h (varies by material & screen size) Construction: Soundproofed steel enclosure with hinged access doors Screen Area: Large discharge screen for high throughput Feed System: Rear trap-door (ideal for thermoforming line integration) Knife Material: Tungsten-tipped for extended wear life Noise Reduction: Fully enclosed sound-insulated casing.
MFR: Tria
Stock No.:
54129003Used Tria TR 120-49 High-Capacity Granulator | 1,200 kg/hr | 490mm Rotor | 50 HP | Sound-Insulated | Water-Cooled Chamber
Used Tria TR 120-49 High-Capacity Granulator | 1,200 kg/hr | 490mm Rotor | 50 HP | Sound-Insulated | Water-Cooled Chamber. 1200mm rotor width. Approx. 970mm W 120mm H feed opening, rear trap-door feed system. Open rotor w. (5) rows of (2) knives (10 total). (2) front and (2) rear stator knives, (4) total. Water cooled cutting chamber. Large discharge screen. Enclosed in sound-insulated steel enclosure w/ hinged access doors. 50 HP (approx. 37 kW) drive motor, 3/60/460-480V.
MFR: Tria
Stock No.:
49422031Used Conair CW1836 Thin Gauge Sheet Granulator – 75 HP, 18” x 36” Throat, Servo Feed, Built 2019
Used- Conair Thin Gauge Sheet Granulator, Model CW1836. 75 HP motor. 18" x 36" Throat size opening. (5) rotor knives. (2) bed knives. Hydraulic lift for easy screen change. Servo pull rolls for auto feed. Stand alone control panel. 3/60/460V. Built 2019.
MFR: Conair
Stock No.:
53459033Used THM ZM 1000 Granulating System with Infeed & Discharge Conveyors – Complete Recycling Granulation Line
Used- THM Recycling Solutions GmbH ZM 1000 Granulating unit consisting of the following: (1) THM Inlet Belt conveyer, type FR300/235/215-25-7500, Serial 2023-11252, New 2024, (1) THM Recycling Solutions GmbH Granulator, type ZM 1000, Serial # E-1752, New year 2023, (1) THM outlet Belt conveyer, type FR300/235/215-25-7500, Serial 2023-11253, New year 2024, (1) HAG GmbH Hydraulic Unit, type HA-SNP-P-20-14-0-7.5. 12 BAR, (3) Control and operating panel. Incl. piping and additional infrastructure. Part of an auction sale. Available in end of July 2026. Part of an auction event. An additional 18% Buyers Premium will add to the purchasing price.
Stock No.:
52511003Montgomery Wood Hog Grinder, Model: 57PMKC
Used- Montgomery Wood Hog Grinder, Model: 57PMKC. Infeed Opening: 51" x 21", Wear Liners: 3/4" AR plate in the upper feed area Discharge: Bottom, 66" x 22" Opening Bearings: 4-15/16" Spherical-Roller type Current Screen Size: 2" round (various screen sizes can be used) Rotor Assembly: approx. 22" Diameter x 59" Long Hammers (Teeth): Set of (19) Anvils: Set of (10) Large and (9) Small Guard Cover(s): V-Belt-drive. Recommended to use 150 hp motor (not included) Recommended RPM: 1200 RPM. Upper Infeed Hopper included.
MFR: Montgomery
Size Reduction Grinder & Granulator Applications & Typical Use Cases
Used size reduction grinders and granulators are commonly used to process plastic scrap and reclaim materials for reuse. Typical applications include:
Plastic recycling and regrind operations
Processing injection molding runners and sprues
Size reduction of blow-molded or extruded scrap
Film, sheet, and fiber waste processing
Post-industrial and post-consumer plastic recovery
These machines help improve material handling efficiency and reduce waste in production environments.
When to Choose Size Reduction Grinders & Granulators
Size reduction grinders and granulators are best suited for operations that need to reclaim or reduce plastic materials into consistent, manageable particle sizes. They are typically selected when scrap recovery and reprocessing are part of the production workflow. Compared to shredders, granulators produce finer, more uniform output, making them ideal for feeding downstream extrusion or molding processes that require controlled material size.
Used Size Reduction Grinder & Granulator Buying Considerations
When evaluating used grinders and granulators, consider:
Rotor design and cutting configuration: Open vs. closed rotors impact cutting efficiency and material handling
Screen size and output consistency: Determines final particle size and suitability for reuse
Throughput capacity: Must align with scrap generation rates and production demands
Knife condition and maintenance history: Dull or worn blades reduce efficiency and increase energy use
Drive system and motor power: Ensure adequate torque for material type and processing volume
Why Buy Used Size Reduction Grinders & Granulators
Purchasing used size reduction grinders and granulators allows processors to reduce capital investment while maintaining efficient material recovery capabilities. Many units are available for immediate delivery, helping operations avoid long lead times associated with new equipment. Used equipment also provides access to proven systems that can be integrated into existing recycling or production lines quickly.
Sell Your Used Size Reduction Grinders & Granulators
Aaron Equipment purchases surplus and used size reduction grinders and granulators from a wide range of manufacturers and configurations. Whether you are upgrading equipment, downsizing operations, or liquidating assets, our team can assist with buyouts or consignment opportunities.
Size reduction grinders and granulators are machines used to break down plastic materials into smaller, uniform particles. They use rotating blades and screens to cut and size materials for recycling or reuse in manufacturing processes.
These machines are used to process plastic scrap, including runners, purgings, films, and defective parts. They are commonly used in recycling, injection molding, extrusion, and blow molding operations to reclaim material and reduce waste.
Granulators produce smaller, more uniform particles using high-speed cutting action, while shredders typically perform coarse size reduction with lower speed and higher torque. Granulators are often used downstream of shredders or for applications requiring precise particle sizing.
The cost of a used grinder or granulator depends on size, manufacturer, throughput capacity, rotor design, and overall condition. Larger, high-capacity systems or units with advanced features typically have higher pricing. Contact Aaron Equipment for current availability and quotes.
Yes. Aaron Equipment purchases used size reduction grinders and granulators from various manufacturers. If you have equipment available for sale, submit your details to receive an evaluation from our team.