Used Doppstadt Single-Shaft Shredder for sale (14,330)

Condition: excellent (used), overall weight: 13,500 kg, Vecoplan V-eco 1700 Rotor approx. 1700mm Rotor diameter approx. 500mm Motor 1x 132kW Rotor speed adjustable approx. 100–300 rpm Control cabinet with inverter + cooling system Weight approx. 13.5T The Vecoplan was in use for a very short period in production. Set includes: Hedsy D T Ipepfx Afrsfh Shredder base Feed hopper Electrical cabinet Additional spare parts kit includes: New knives/counter-knives/holders Additional spare motor Pallet of perforated screens Complete user manual The rotor is fitted with all new knives (180 pcs. 40/40) and new counter-knives. Rotor and machine are currently protected during downtime.

Condition: used, Year of construction: 1998, functionality: fully functional, machine/vehicle number: 98 EZ100/2675, overall weight: 4,000 kg, number of blades: 68, total length: 2,800 mm, total height: 2,500 mm, control cabinet length: 500 mm, control cabinet width: 500 mm, control cabinet height: 1,000 mm, total width: 2,000 mm, rotor length: 1,000 mm, power: 30 kW (40.79 HP), type of input current: three-phase, year of last overhaul: 2025, working width: 1,000 mm, sieve perforation: 15 mm, For sale is an ARP single-shaft shredder type EZ 100 in operational condition, ideally suited for applications in the recycling industry, plastics processing, wood preparation, as well as for industrial size reduction processes. The machine is equipped with a hydraulic feed system for consistent material intake and a robust cutting system for continuous operation. Hfodpfx Ajyiuv Dsfroh

Condition: new, Year of construction: 2025, overall weight: 150,000 kg, We offer Lines for shredding and separating non-ferrous metals and copper cables. The line can be freely modified according to the customer's needs. The attached visualization is illustrative. Machines included in the line: Drum Belt Magnetic Separator Multi-shaft shredder 2 x 18.5 kW MCW-110 1. Loading conveyor (controlled automatically by shredder, according to load) Technical data: - L – 4000mm -Working width – 720mm - Height – 2100mm - Geared motor – 1.5kW - PVC conveyor belt equipped with straight cleats. - Steel structure, placed on self-adjusting wheels 2. Unloading conveyor (receives the shredded material for further process) Technical data: -L. – 3600mm - Working width - 400mm - H – 2000mm - Geared motor – 1.1kW - PVC conveyor belt equipped with a sealing wave and straight cleats Hodpfev I Shdex Afrofh - Structure made of acid-resistant steel, placed on self-casting wheels 3. Magnetic separator – (automatically separates unwanted steel elements from the belt of the unloading conveyor) Technical date: - L – 1400mm - Working width – 380mm - Height – 300mm - Geared motor – 0.55kW - Structure made of acid-resistant steel - PVC conveyor belt equipped with straight cleats - Magnetic plate made of permanent magnets 4. Magnetic plate with quick-cleaning overlay – (separates very small steel elements) Technical date: - W – 490mm - L – 330mm -H- 80mm - Housing made of acid-resistant steel Vibrating feeder PWR-1000 Eddy Current Separator WPS-1000 Discharge conveyor no. 2 of the WPS-1000 separator . Horizontal shredder RKZ-1200 Dust extraction DUST EATER OPW-400 GoldRiver SWZ-700 Water Separator Automatic plastic receiver Automatic metal vibration receiver.

Condition: excellent (used), Year of construction: 2006, Vecoplan VAZ 1300 shredder Hopper inlet 2.26 m x 1.65 m Hedpewu Nwhofx Afrefh

Condition: refurbished (used), Year of construction: 2012, operating hours: 7,340 h, Doppstadt DW 3060K Büffel - Year of manufacture: 2012 - Operating hours: 7,340 Hfodpfeyhyuyex Afrsh - Engine: Mercedes Benz, 430 HP - Roller with 21 teeth - Crawler chassis - Remote control - Weight: 30,000 kg Machine is overhauled and immediately available.

Condition: used, overall weight: 24,000 kg, rotor diameter: 640 mm, number of blades: 114, rotor length: 2,500 mm, power: 247 kW (335.83 HP), No. 10023 Single-shaft shredder Vecoplan VAZ 2500 Used, year of construction approx. 2006 2022 general overhaul Since overhaul approx. 700 operating hours Areas of application: Residual wood, waste wood, packaging material, film, plastic, paper, textiles, domestic waste, commercial waste, production residues as bulk material, production residues in bales 247 kW Rotor length 2500 mm Rotor diameter 640 mm 114 pieces 60x60 cube knives, 4-row Shredding optionally to a grain size of approx. 10 - 250 mm Hfodpfx Aewh T N Uefreh Screen basket 50 mm Throughput capacity up to 25 tons per hour / throughput waste wood approx. 30 tons per hour Material feed with hydraulic pusher Scope of delivery: machine, hopper, control cabinet, refrigerator Conveyor belts optionally available Transport dimensions approx. 4750 x 4640 x 2340 mm LWH Weight approx. 24000 kg Sale on behalf of customer, ex location near 85456 Wartenberg, without dismantling, without transport and assembly Errors in description and price excepted Dismantling, transport and loading by us optionally possible To avoid possible misunderstandings, an on-site inspection is possible and recommended by appointment Sold as is Technical details, condition description, year of construction and scope of delivery according to manufacturer's brochure or previous owner, without guarantee Subject to prior sale Any warranty is excluded for used machines, the following applies: “purchased as viewed” Pictures and videos serve as examples and do not represent the actual scope of delivery Terms of payment: Prices excl. VAT, payment before collection or dispatch Terms of delivery: ex location

Condition: used, Year of construction: 2006, No. 10034 2 pieces stationary single shaft shredder Doppstadt DW 2560 E1 Hedpeym Edtjfx Afrofh Stationary single-shaft shredder Doppstadt DW 2560 E1 (1 of 2) Used, year of construction 2006 (overhauled by the manufacturer in 2024: new shaft / new gearbox / new bearings / etc.) Since overhaul approx. 600 operating hours Motor electric Approx. 20000 operating hours The scope of delivery does not include a conveyor belt Including replacement gearbox Filling width 1900 mm / Filling length 3060 mm Motor: Manufacturer T-T Electric / Type DC motor LAK 4250 C / Power 315 kW / Rated speed 2000 rpm / Armature voltage 460 V / Armature current 721 A / Field voltage 340 V / Field current 14.8 A / Degree of protection IP 55 / Cooling 2 separate motors Hydraulic unit: Manufacturer OC-Hydraulik Doppstadt / power 7.5 kW / rated voltage 380 V Cutting unit: drum / length 2500 mm / diameter 600 mm / speed 31 rpm Throughput: shredded material up to 40 t/h Transport dimensions approx. 8000 (7850) x 4700 (3450) x 5380 mm LWH Weight approx. 25665 kg Stationary single-shaft shredder Doppstadt DW 2560 E1 (2 of 2) Used, year of construction 2006 (overhauled by the manufacturer in 2024: new shaft / new gearbox / new bearings / etc.), fire damage December 2025 (drum condition good, gearbox condition good, motor condition unclear, control unit condition burnt down, hydraulic unit condition burnt down) Since overhaul approx. 200 operating hours Motor elektric Approx. 23000 operating hours The scope of delivery includes a conveyor belt The machine was used for bulky waste and wood Filling width 1900 mm / filling length 3060 mm Motor: Manufacturer T-T Electric / type DC motor LAK 4250 C / power 315 kW / rated speed 2000 rpm / armature voltage 460 V / armature current 721 A / field voltage 340 V / field current 14.8 A / degree of protection IP 55 / cooling 2 separate motors Hydraulic unit: Manufacturer OC-Hydraulik Doppstadt / power 7.5 kW / rated voltage 380 V Cutting unit: drum / length 2500 mm / diameter 600 mm / speed 31 rpm Throughput: shredded material up to 40 t/h Longitudinal belt: length 7800 mm / width 1000 mm / discharge height 1680 mm / speed 1.8 m/s Transport dimensions approx. 8000 (7850) x 4700 (3450) x 5380 mm LWH Weight approx. 25665 kg Sale on behalf of customer, ex location near 85456 Wartenberg, without dismantling, without transport and assembly Errors in description and price reserved Dismantling, transport and loading by us optionally possible To avoid possible misunderstandings, an on-site inspection is possible and recommended by appointment Sold as is Technical details, condition description, year of construction and scope of delivery according to manufacturer's brochure or previous owner, without guarantee Subject to prior sale For used machines, any warranty is excluded, the following applies: “sold as seen” Pictures and videos serve as examples and do not represent the actual scope of delivery Terms of payment: Prices plus VAT, payment before collection or shipment Terms of delivery: ex location

Condition: used, Year of construction: 2018, rotor diameter: 368 mm, rotor width: 1,500 mm, No. 10027 Single-shaft shredder AMIS / WEIMA WT 15 Used, year of construction 2018, approx. 250 operating hours Hfodoxwdiuspfx Afroh According to our customer, the machine is fully functional and can be viewed and tested on site Single-shaft shredder for cables, plastics & recycling Feed opening 1500 x 1160 mm LW Rotor width 1500 mm Rotor diameter 368 mm Rotor speed approx. 90 rpm Motor output 90 kW Throughput capacity approx. 5 tons per hour (depending on material) System output 99 kW Power consumption 210 A Voltage 400 V / 50 Hz PLC control Siemens SIMATIC Built-in screen with 20 mm screen hole diameter Replacement screen with 50 mm screen hole diameter The high-performance shredder in the WT series is ideal for processing a wide variety of plastics - especially difficult, flexible materials such as films, filaments, big bags, tapes, carpets, textiles, foams and all loose and non-bulky waste materials. The WING-RAM swing arm ensures that even contaminated or moist material is fed safely. Incl. angled conveyor belt / discharge belt AMIS FB 7000 x 1500 x 580 / year of construction 2018 / 1.5 kW Incl. magnetic separator AMIS Installation dimensions approx. 9000 x 3500 x 3950 mm LWH Transport dimensions single-shaft shredder approx. 3000 x 2700 x 3200 mm LWH Weight approx. 12500 kg Sale on behalf of customer, ex location near 69123 Heidelberg, without dismantling, without transport and assembly Dismantling, transport and loading by us optionally possible Errors in description and price excepted To avoid possible misunderstandings, an on-site inspection is possible and recommended by appointment Sold as is Technical specifications, condition description, year of construction and scope of delivery according to manufacturer's brochure or previous owner, without guarantee Subject to prior sale For used machines, any warranty is excluded, the following applies: “sold as seen” Pictures and videos serve as examples and do not represent the actual scope of delivery Terms of payment: Prices plus VAT, payment before collection or shipment Terms of delivery: ex location

Condition: refurbished (used), Year of construction: 2014, overall weight: 25,000 kg, Doppstadt DW 3060 Buffalo type C - Year of construction 08/2014 - Operating hours 7275 - Engine Mercedes Benz 430 HP Hfjdpfsygnk Aex Afroh - AD Blue - Roller : 21 teeth - Overband magnet - Remote control - Hydraulic drive ( self drive) Machine is overhauled and immediately available

Condition: used, inlet cross section: 2500 x 1700 mm Drive: 160 kW rotor flight circle: 670 mm Discharge of contaminants: hydraulically pre-stressed and openable flaps for discharge of contaminants Hjdpfx Asbq Su Nofrsfh rotor execution: 14 pcs. positive cutting plates 120x120x55 mm on tool holders counter knife: with cutting gap adjustment Feeding device: hydraulic hopper: 1.700 mm high, with revolving pipe line tube machine weight: approx. 24.000 kg

Condition: refurbished (used), Year of construction: 2011, functionality: fully functional, machine/vehicle number: 12786 040, overall weight: 20,000 kg, rotor diameter: 640 mm, total length: 4,900 mm, total height: 2,600 mm, total width: 4,100 mm, rotor width: 2,000 mm, power: 203 kW (276.00 HP), rotational speed (max.): 340 rpm, input current: 415 A, Equipment: rotational speed infinitely variable, The Vecoplan VAZ 2000 M F-T is a powerful single-shaft shredder. This robust shredder offers an efficient and reliable solution for a wide range of applications. Possible applications: - Household waste - plastics - paper Hfsdpfjurkc Rex Afrsh With its proven technology and high throughput of 4-5 tons per hour, the VAZ 2000 M F-T is the perfect choice for shredding and volume reduction in disposal and recycling processes. The pictures are examples. The pictures do not show the machine as it is offered, they only serve as an example of what the machine will look like after the overhaul. Price on request.

Condition: refurbished (used), Year of construction: 2010, functionality: fully functional, machine/vehicle number: 11974010, overall weight: 16,000 kg, rotor diameter: 640 mm, total length: 3,650 mm, total height: 2,340 mm, control cabinet length: 2,400 mm, control cabinet width: 600 mm, control cabinet height: 2,000 mm, total width: 3,675 mm, power: 203 kW (276.00 HP), type of input current: DC, rotational speed (max.): 350 rpm, input current: 415 A, Equipment: rotational speed infinitely variable, The Vecoplan VAZ 2000 RS F-T is a powerful single-shaft shredder that has been specially developed for demanding shredding processes. With its robust design and state-of-the-art technology, it offers a reliable and efficient solution for processing a wide range of materials. Possible applications: - Biomass - household waste - wood - industrial waste Hjdpfx Afeurkd Iorofh - plastic - paper The pictures are examples. The pictures do not show the machine that is offered, they only serve as an example of what the machine will look like after the overhaul. Price on request.

Condition: refurbished (used), Year of construction: 2010, functionality: fully functional, machine/vehicle number: 12056 060, overall weight: 10,000 kg, rotor diameter: 495 mm, total length: 4,495 mm, total height: 1,800 mm, total width: 3,215 mm, rotor length: 1,800 mm, power: 134 kW (182.19 HP), rotational speed (max.): 230 rpm, Equipment: rotational speed infinitely variable, The Vecoplan VAZ 1800 FT is a powerful single-shaft shredder that is characterized by its robust design and innovative technology. Hsdpjurkfrsfx Afrofh characterized by its robust design and innovative technology. It offers an efficient and reliable solution for shredding different materials and is therefore ideal for versatile industrial applications. for a wide range of industrial applications. The pictures do not show the offered machine. The pictures serve as a rough example of what the machines will look like after our overhaul. Suitable for: - Household waste - plastics - paper Whether in the recycling sector or for material processing - the VAZ 1800 FT offers a flexible and powerful option for demanding shredding processes. The pictures are examples. The pictures do not show the machine that is being offered, they merely serve as an example of what the machine will look like after the overhaul. Price on request.

Condition: not inspected (used), functionality: unexamined, total length: 6,600 mm, total height: 2,550 mm, total width: 2,150 mm, power: 48 kW (65.26 HP), TECHNICAL DETAILS Hfodpfx Afjyq Izisreh Filling area length: 2,900 mm Filling area width: 1,400 mm MACHINE DETAILS Dimensions Overall length: 6,600 mm Overall width: 2,150 mm Overall height: 2,550 mm Motor power of cutting shaft: 37 kW Total connected load: 48 kW The machine is sold and delivered in its actual and legal condition ("as seen and approved") based on photographic documentation and technical/commercial files of a descriptive nature. The buyer has the right to inspect the goods prior to collection and assumes responsibility for installation, securing, and use of the machine at the place of destination. External reference: 8012

Year of construction: 2011, condition: ready for operation (used), A Gross Apparatebau GmbH shredder, which was used in the wood industry, is available. Feed opening X/Y: 600mm/800mm, hopper volume: 0.6m³, rotor diameter: 252mm, rotor length: 600mm, rotor speed: 90rpm, drive power: 18.5kW, number of knives: 14, screen perforation: 10mm-40mm, suction nozzle diameter: 160mm, machine dimensions X/Y/Z: approx. 1800mm/1200mm/1650mm, weight: approx. 1300kg, operating hours: 4578h. Documentation available. On-site inspection is possible. Hjdpfx Aou Nlkxofrjfh

Condition: new, Year of construction: 2025, functionality: fully functional, overall weight: 44,000 kg, rotor length: 2,800 mm, power: 315 kW (428.28 HP), rotational speed (max.): 87 rpm, - MERAK 2800-2 with 315 kW - Cutting system 116PR - PG190 screen (can be changed on customer request) - Feed chute - Dust suppression - Electrical central lubrication Hsdpfx Afjugf Dworofh - Hydraulic safety guard - Overband magnetic separator Neodymium - HP - Rubberized bolted floor plates on tracked chassis

Condition: good (used), Year of construction: 2014, operating hours: 18,520 h, Single-shaft shredder, especially suitable for secondary shredding and granulation of pre-shredded material. Application: Commercial waste for thermal or material recovery, e.g. paper, cardboard, plastics and foams, rubber, leather, textiles, floor coverings, etc. Lindner Power Komet 1800 Year of manufacture: 2014 Control cabinet; complete with ABB frequency converter, Recooler Operator panel Hopper Hodpswxmb Eofx Afrefh Drive motors: 200 kW Hydraulic unit: complete Total weight approx. 21 t Dimensions approx. LxWxH mm: 5000 x 2800 x 3000 mm Inspection: possible upon arrangement. Delivery time: immediate.

Condition: used, Year of construction: 2014, operating hours: 18,700 h, overall weight: 27,000 kg, number of blades: 41, rotor length: 1,800 mm, power: 200 kW (271.92 HP), rotational speed (max.): 87 rpm, input voltage: 400 V, Slow-speed, robust single-shaft shredder suitable for the pre-shredding of various materials without heavy contaminants. Applications: Shredding of industrial and commercial waste, films, packaging materials, textiles, paper, rubber, demolition wood, pallets, paper rolls, cable drums, and mixed plastics for thermal recovery or material recycling, whether loose or baled. Lindner Jupiter 1800 Drive power: 1x 200 kW (ABB) Hodpfxsw Tk Uds Afrofh Screens: SK 80 mm Control cabinet: complete with (ABB frequency inverter) Recooling unit: Yes, included Feed opening: 1790 x 1750 mm Filling volume: approx. 4 m³ Rotor length: 1770 mm Rotor diameter: 745 mm Rotor speed: 50Hz : 87 rpm Number of rotor knives: 41 pcs Knife dimensions, pointed knives: 87x87x38 mm Counter knives, lower: 5 pcs Scraper comb, upper: 5 pcs Hydraulic feed: 11 kW Weight: approx. 27 t Dimensions LxWxH mm: 4800 x 3260 x 3090 mm Hopper: included Delivery time: immediate

Condition: reconditioned (used), Year of construction: 1995, operating hours: 18,000 h, functionality: fully functional, overall weight: 6,500 kg, Intake length: 1450 mm Intake width & rotor length: 2500 mm Hsdpfxerrhcze Afrjfh ᴓ rotor: 370 mm nº of cutters: 71 un (40x40 mm) Rotor speed: 118 rpm Motor: 75 kW Voltage: 400 V Frequency: 50 Hz ᴓ screen: 30 mm Machine weight: 9000 kg Machine in operation

Condition: new, Year of construction: 2021, operating hours: 4 h, functionality: fully functional, machine/vehicle number: ZSS8501604002, overall weight: 4,290 kg, rotor diameter: 387 mm, number of blades: 40, rotor length: 850 mm, rotor width: 457 mm, power: 40.75 kW (55.40 HP), type of input current: three-phase, rotational speed (max.): 80 rpm, rotational speed (min.): 74 rpm, year of last overhaul: 2025, sieve perforation: 60 mm, warranty duration: 6 months, input voltage: 400 V, Single-rotor shredder ZERMA ZSS 850-E 37 kW Hopper opening (mm): 1340 x 840 mm Usable cutting chamber: 690 x 730 mm Rotor diameter x width (mm): Ø 387 x 850 mm Rotor speed: 80 rpm Rotor model: E SEW oil-bath gearbox: Included Number and size of knives: 40 / 34x34x22 mm Knife holders with bolts: Included Number of counter-knives: 1 row of 3 IE3 motor power: 37 kW Screen perforations: > 40mm (to be specified) Hydraulic screen opening: Included Discharge height: 560 mm Connected electrical power: 400 V +/- 5% / 50 Hz Hydraulic pusher power: 3.6 kW Hydraulic pusher with 2 speeds: Included Adherent front plate (ram): Included Air/Oil heat exchanger mounted on hydraulic tank Overall length: 2085 mm - Overall width: 1940 mm - Height: 2435 mm Approximate weight (kg): 4400 kg Control cabinet with SIEMENS PLC and settings menus such as: Recipes, Maintenance, Alarms, etc. Hjdpfsxtp Diex Afrefh Cable length to control cabinet: 5 meters See technical datasheet and/or attached diagram for more details.

Condition: refurbished (used), Year of construction: 2010, operating hours: 34,616 h, functionality: fully functional, machine/vehicle number: 1244801, overall weight: 13,500 kg, rotor diameter: 500 mm, number of blades: 125, rotor length: 1,800 mm, type of input current: AC, sieve perforation: 30 mm, VECOPLAN Type VAZ 1800F shredder, after complete renovation, ready to work. The machine is fully functional, the following parts have been replaced: cutting system (knife bases, knives, counter knives, rotor surfacing), vibration isolators, sliding strips, sieve, oils in gears, electrical, hydraulic and pneumatic installations. Hfsdpfx Aovx Rtaofroh

Condition: like new (used), hopper 150x100 cm hydraulic pressure drawer year of manufacture 1996 control from operator panel sieve 1.5 cm CE marking Hsdpsyync Hefx Afrofh

Condition: reconditioned (used), Year of construction: 2000, operating hours: 25,000 h, functionality: fully functional, Longitud de entrada // Intake length: 2200 mm Anchura de entrada // Intake width: 2000 mm Longitud de rotor // Rotor length: 2000 mm diam. rotor // rotor diam.: 495 mm n.º de cuchillas // n. of knives: 56 (60x60) velocidad del rotor // rotor speed: 125 rpm potencia motor // main motor power: 132 kW voltaje // voltage: 400 V frecuencia // frequency: 50 Hz Peso de la máquina // machine weight: 14000 kg * Máquina especialmente diseñada para la trituración de plásticos, los rodamientos del rotor están completamente aislados. * Máquina completamente reconstruida; 1 año de garantía ó 2000h, lo que antes suceda Hfedpfxsi Elylj Afreh * Incluye: - Rotor de repuesto - Sujetador superior; ideal para la trituración de residuos voluminosos de baja densidad - Soporte de acero - Tolva de alimentación - Cuadro de control eléctrico - Planos de implantación disponibles, asi como plano de soporte de máquina y tolva de alimentación - Manual de instrucciones & esquemas eléctricos Includes: - Machine supplied with bridge breaker (upper feeder); suitable to shredd bulky waste with low density - Machine fully refurbished; 1 year guarantee or 2000h, whatever happens first - Machine specially designed for shredding of plastic waste. - Steel support - Infeed funnel - Electric control pannel - Dimmensional drawings available in Acad for the machine, funnel and steel support - Operation & maintennace mannuals available

Condition: new, Year of construction: 2023, Vecoplan V-ECO 900, a plastic shredding machine with a capacity of up to 1,000 kg/h. The machine is brand new and in its original packaging. New, originally packaged Brand and model: Vecoplan V-ECO 900 Processable materials: All polymers Type: Shredder Hjdpfx Afex U T Ahorofh Brand: VECOPLAN V-ECO 900 Year of manufacture: 2023 Technical data: Rotor working width: 900 mm Rotor diameter: 370 mm Number of rotor knives: 42 (in standard configuration) Rotor speed: approx. 130 – 160 rpm Capacity: 400 to 1,200 kg/h – depending on material type, blower, and feed rate Drive power (ESC motor): Standard: 30 kW / 37 kW / 45 kW Feed opening: approx. 900 x 1,100 mm Machine weight: 5,200 kg

Condition: new, Year of construction: 2024, The subject of sale is a single-shaft shredder equipped with a hydraulic pusher. Brand/Manufacturer: 3E Machinery Model: WT4080 Main motor power: 37 kW Hydraulic system motor power: 2.2 kW Working rotor length: 800 mm Rotor diameter: 400 mm Number of movable knives on the rotor: 46 pcs Dimensions of the movable knife: 40x40x25 mm, fastened with an M12 screw Single row of fixed knives, two-piece, the possibility of mounting a second row of fixed knives (upper) depending on the processed waste Top-loading section widened to facilitate feeding waste into the shredder Hydraulic system equipped with an oil cooling system External bearing Inspection flap opened with the screen assisted by two actuators The machine is available at our warehouse in Częstochowa. Hodpfxoq Sp D Rs Afrofh Our offer includes not only individual shredding devices; upon request, we can provide a quote for a complete crushing line (conveyor feeding to the crusher, crusher, conveyor receiving with possible metal separation, grinding mill, big-bag station with a transport fan and a two-fraction cyclone). Also available in our offer: Knife mills Two-shaft crushers Four-shaft crushers Washing lines Systems for cable waste Used machines