Used Doppstadt Ak 535 Compact for sale (6,960)

Condition: excellent (used), Drum for DOPPSTADT SM 725. Lhsdpfowrzknsx Afkok Length of the drum: 7.00 m Diameter of the drum: 2.50 m Hole size of he drum: 60x60 mm

Condition: as good as new (ex-display), functionality: fully functional, Hole size:20 x 20 mm Thickness: 6 mm Lhodpjh E Dc Njfx Afkok

Condition: excellent (used), Year of construction: 2014, Diesel engine: 430 HP Lodpfx Afei Trvbekohk Rear duscharge conveyor Overband magnet Hydr. self-propelled drive (for moving on site) Radio remote control We can also offer financing if required.

Condition: good (used), Cool Compact loading station 2-door loading station with GN containers Lhedpfelkbccex Afksk mobile on wheels granite top Dimensions WxDxH 107 x 70 x 113 cm Slip stations - new and used - you will find in our store! International shipping costs on request!

Condition: refurbished (used), Year of construction: 2019, operating hours: 5,225 h, overall weight: 25,000 kg, Doppstadt DW 3060 Biopower Type F - Year of manufacture: 2019 - Operating hours: 5,225 - Engine: MTU R61300 with 490 HP - AD BLUE - Weight: 25,000 kg - Remote control - Humidification system - Rear conveyor 5.5 m - Overband magnet - Hydraulic drive (self-propelled) - Central lubrication Lhedpoyxkwqjfx Afksk Machine is overhauled and immediately available.

Condition: like new (used), Year of construction: 2022, operating hours: 150 h, functionality: fully functional, machine/vehicle number: W09268325N2D38082, permissible axle load: 9,000 kg, conveyor belt speed: 2,900 mm/s, roller diameter: 600 mm, roller length: 2,200 mm, number of rollers: 1, As-new Doppstadt Inventhor 6 with only 150 operating hours! TECHNICAL DETAILS Input hopper length: 3,390 mm Drum length: 2,200 mm Drum diameter: 600 mm Number of drums: 1 Permissible total weight: 25,000 kg Permissible load at coupling point: 1,000 kg Permissible axle load per axle: 9,000 kg Lodoxcvpwspfx Afkjhk Discharge belt width: 1,000 mm Discharge belt length: 4,900 mm Belt speed: 1.3 - 2.9 m/s MACHINE DETAILS Length: 12,960 mm Width: 2,540 mm Height: 3,390 mm Transport width: 2,540 mm Transport height: 3,610 mm Transport length: 9,140 mm Engine power: 310 kW / 421 HP Fuel tank: 500 l Operating hours: approx. 150 h EQUIPMENT Overband magnet

Condition: refurbished (used), Year of construction: 2019, operating hours: 3,703 h, functionality: fully functional, machine/vehicle number: Bau Nummer 443, overall weight: 30,000 kg, total width: 2,500 mm, transport width: 2,500 mm, year of last overhaul: 2025, We offer this refurbished Doppstadt DW-3060 K single-shaft shredder, manufactured in 2019. Telematics active until 06/2028 All bearings and all conveyor belts are original, new Doppstadt parts All wear parts are original, new Doppstadt parts Manufacturer: Doppstadt Model: DW-3060 K Year of manufacture: 2019 Condition: refurbished Category ID: 2097 Type ID: 2590 Machine type: Single-shaft shredder Lodpezhlpwsfx Afkehk If you have any questions or require further information, please feel free to send us a message or call us.

Condition: good (used), For sale: professional Vision Engineering Lynx Compact X6 stereo microscope, manufactured in the UK. This is a modern eyepiece-free microscope, providing a spatial 3D image without the need to place eyes against eyepieces – offering exceptional comfort for quality control and precision assembly tasks. Technical specifications: • Manufacturer: Vision Engineering Ltd. (UK) • Model: Lynx Compact X6 • Magnification: 6× (Compact X6 objective) • Type: stereo, eyepiece-free • Illumination: integrated LED in the base • Power supply: 230 V Lhjdpfx Asxtfqxofkjk • Head with focus and height adjustment • Serial number: MFS 11572 • DGUV safety inspection – current safety test certification Condition: • Used item, optics are clean, mechanics fully operational. • Damaged upper cover of the plastic element (visible in photos) – does not affect operation or image quality. • Illumination is fully functional. • Device tested and ready for use. Applications: Laboratories, quality control, electronics, optics, and medical industries. Excellent for precision work, SMD soldering, PCB inspection, micromachining, and micromechanics.

Condition: new, functionality: fully functional, Year of construction: 2025, overall weight: 750 kg, maximum load weight: 700 kg, Equipment: lighting, Suchen Sie nach einem gemütlichen Wochenendhaus, einem Büro im Garten oder einem zusätzlichen Raum für Ihre Familie? Unser einzigartiges Modell bietet die perfekte Lösung. Mit einem vierseitigen Dach und einer gehängten Metallfassade, die eine Lebensdauer von 30+ Jahren hat, bietet unser mobiles Haus höchste Qualität. Die hochwertige Aluminiumfenster sorgen für eine hervorragende Ästhetik und Funktionalität. Lhedpfx Aspxnpaefkek Im Inneren erwartet Sie ein selbstnivellierender Holzboden, der mit Harz beschichtet ist, sowie ein Badezimmer mit Harz behandelten Holzplatten. Die Wände und Decken bestehen aus robusten Sperrholzplatten. Unser mobiles Haus verfügt über hochwertige Innentüren und modulares Beleuchtungssystem. Die Küche ist mit eingebauten Schränken und Geräten ausgestattet, während das Schlafzimmer über eingebaute Kleiderschränke verfügt. Das mobile Haus bietet hochwertige Schlüssel und Steckdosen sowie eine ausgezeichnete Boden- und Dachdämmung. Die Bodenisolierung ist aus Mineralwolle und beträgt 15 cm, die Dachisolierung 18 cm und die Außenwandisolierung 15 cm. Das Haus ist bereits für die Installation von Außenkameras, Klimaanlagen und Lüftungsanlagen vorbereitet. Es gibt Anschlüsse für eine Waschmaschine und Platz für einen Kühlschrank, eine eingebaute Fritteuse, einen Herd und einen Dunstabzug. Zahlreiche Steckdosen sind in der Küche, im Wohnzimmer, im Schlafzimmer und im Badezimmer vorhanden. Unser mobiles Haus bietet auch die Möglichkeit zur Installation von Photovoltaiksystemen auf dem Dach, um nachhaltige Energie zu nutzen. Lieferbar in 7-14 Tage! Verpassen Sie nicht die Gelegenheit, Ihr Traumhaus zu finden! Kontaktieren Sie uns, um weitere Informationen zu erhalten und Ihre Bestellung aufzugeben.

Condition: used, Year of construction: 2012, functionality: fully functional, overall weight: 25,300 kg, power: 210 kW (285.52 HP), For sale is a single-shaft shredder from Doppstadt. It is currently still integrated in our production and can be inspected on site. The conversion is scheduled to take place around the end of July 2026. All technical specifications can be found in the images. Lodpfx Ajyrgibjfkehk If you have any further questions, please feel free to contact us.

Year of construction: 2026, condition: new, DRUM SCREENS – TOP-QUALITY MADE IN EUROPE | FOR ALL POPULAR SCREENING MACHINES We supply high-quality drum screens manufactured to exceptional European standards – precision-fit for numerous machine models: Compatible with, among others: - Doppstadt SM 314 / SM 414 / SM 518 / SM 618 / SM 620 / SM 720 / SM 725 - Terra Select T4 – T7 - Komptech Maxx, Mustang, Nemus, Cribus - Pronar, Terex, Neuenhauser, and many more Technical Specifications: - Custom production according to your requirements - Perforation: round or square - Arrangement: straight or staggered - Minimal web widths for maximum screening capacity - Welded-in spiral for optimal material flow - Various material thicknesses available - Premium, sharp-edged perforated plates made from special steel Ledpfx Afjy Dpguekehk Your Benefits: ✔ Top-quality manufacturing from European production ✔ Many models available immediately from stock ✔ Fast delivery throughout Germany (EU delivery on request) ✔ Short lead times ✔ Attractive and competitive pricing Contact us now to receive your individual offer! Our experienced team is happy to provide prompt, expert advice. Many models available for immediate delivery from stock Delivery within Germany (EU-wide on request) Short lead times and fair prices Get in touch with us for your customized quote!

Condition: new, Year of construction: 2026, Screen drums – highest quality across Europe – compatible with all common screening machines We offer screen drums in top European quality, suitable for the following models: Doppstadt SM 314 / SM 414 / SM 518 / SM 618 / SM 620 / SM 720 / SM 725, Terra Select T4 – T7, Komptech Maxx, Mustang, Nemus, Cribus, Pronar, Terex, Neuenhauser, and many other types. Technical features & versions: Manufactured to your individual specifications Perforation: variable, round or square Arrangement: staggered or straight Minimal web widths for maximum screening performance Integrated spirals for optimal material conveyance Various material thicknesses available Sharp-edged perforated sheets made from high-grade special steel Your benefits: Top quality Europe-wide MORE THAN 70 screen drums available immediately from stock Delivery within Germany (EU-wide on request) Short delivery times and fair prices Lhsdpfjymflkex Afkjk Contact us for your individual quote!

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

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 Lhedpfx Asygnk Aofkok - Engine Mercedes Benz 430 HP - AD Blue - Roller : 21 teeth - Overband magnet - Remote control - Hydraulic drive ( self drive) Machine is overhauled and immediately available

Year of construction: 2026, condition: new, Screen drums – highest quality across Europe – compatible with all common screening machines We offer screen drums in top European quality, suitable for the following models: Doppstadt SM 314 / SM 414 / SM 518 / SM 618 / SM 620 / SM 720 / SM 725, Terra Select T4 – T7, Komptech Maxx, Mustang, Nemus, Cribus, Pronar, Terex, Neuenhauser, and many other types. Technical features & designs Manufactured according to your individual specifications Perforation: variable, round or square Arrangement: staggered or straight Minimal webs for maximum screening performance Welded-in spiral for optimal material transport Various material thicknesses available Sharp-edged perforated sheets made from high-grade special steel Your benefits Lhedpfx Aoyklz Tofksk Top quality throughout Europe Many models available immediately from stock Delivery within Germany (EU-wide delivery on request) Short lead times and fair prices Contact us for your individual offer!

Year of construction: 2026, condition: new, Screen drums – highest quality across Europe – compatible with all common screening machines We offer screen drums in top European quality, suitable for the following models: Doppstadt SM 314 / SM 414 / SM 518 / SM 618 / SM 620 / SM 720 / SM 725, Terra Select T4 – T7, Komptech Maxx, Mustang, Nemus, Cribus, Pronar, Terex, Neuenhauser, and many other types. Technical features & designs Manufactured according to your individual specifications Perforation: variable, round or square Arrangement: staggered or straight Minimal webs for maximum screening performance Welded-in spiral for optimal material transport Various material thicknesses available Sharp-edged perforated sheets made from high-grade special steel Your benefits Top quality throughout Europe Many models available immediately from stock Delivery within Germany (EU-wide delivery on request) Short lead times and fair prices Contact us for your individual offer! Ledpfeyxk D Djx Afkshk

Year of construction: 2012, condition: good (used), functionality: fully functional, For sale is a CFT compact filter technic top-mounted dust extraction system, type HKAF 12-30 The system is fully functional and ready for use immediately after connection All documentation for the system available thanks to CFT Digital Contact details can be passed on after purchase. Technical data: Lhedpfx Aforfcpmjkek Year of construction: 2012 Length: 2476 mm Width: 1277 mm Height: 2330 mm Weight: 600 kg Exhaust air flow rate: 28 m3/min Filter elements: 12 pieces Filter area: 30 m² Filter material PMB 600*500 Shock valves: 4 pieces Rotary cycle control unit: 12 cycles Compressed air parameters: 4.5 bar Loading & or shipping possible for an additional charge Prices plus VAT Viewing possible by appointment. Contact us, our team will be happy to help you. Trade-in or exchange possible! Machines purchase / sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES AND MUCH MORE. Do you need a high-quality but inexpensive metalworking machine for your production? Or do you want to sell yours? For further information or contact options, please visit our website

Year of construction: 2017, condition: good (used), Single Compact K-160-9-24 160° C medium Water 11 KW year 2017 price: 4.950 € Lhsdpsrupr Djfx Afkjk contact: Mr. Rainer Eckerle

Year of construction: 2014, condition: used, No. 10018 Mobile 2-fraction spiral shaft screen GÜNTHER / Doppstadt SPLITTER F2 Used, year of construction 2014 Approx. 3000 operating hours Incl. mobile deck 0/120 Screening of materials that are difficult to screen, such as commercial waste, bulky waste, mixed construction waste, scrap metal, slag, waste wood, organic waste, landfill deconstruction in 2 fractions - Drive: Generator type 50 kVA / voltage 400/230 V / frequency 50 Hz / speed 1500 rpm / fuel tank capacity 250 liters / diesel fuel - Feed hopper: length 2700 mm / width 2100 mm / loading volume 3 m³ - SPLITTER screen deck / spiral shaft deck AA 254: Length 6000 mm / width 2500 mm / drive 3 x 4.0 kW controlled via frequency converter / 180 mm pitch / separating cut 0-80/120 mm - Feeder belt FH: Length 3000 mm / Width 1200 mm / Drive 1 x 4.0 kW controlled via frequency inverter / Folded design, incl. hopper for receiving the discharge belt on the shredder / Chevron belt quality - Bottom grain collecting belt, longitudinal FC: Length 5600 mm / Width 1200 mm / Drive 1 x 3.0 kW / Permanent magnetic separation / Chevron 16 mm belt quality - Bottom grain collecting belt crosswise FC: length 1600 mm / width 1000 mm / drive 1 x 3.0 kW / belt quality Chevron 16 mm - Mobile undersize discharge conveyor: length 4460 mm / width 1000 mm / drive 1 x 4.0 kW / can be extended by FE fraction / belt quality Chevron 16 mm - Oversize grain collecting belt FC: length 5300 mm / width 1200 mm / drive 1 x 3.0 kW / belt quality Chevron 16 mm - Mobile oversize grain discharge conveyor: length 7350 mm / width 1700 mm / drive 1 x 5.5 kW / can be extended by FE fraction / discharge height 5000 mm - Control cabinet: Complete electrical control via a PLC in a central control cabinet (protection class IP55) / Control and visualization via Siemens S7 colour touch panel / Radio remote control with colour display for all travel and work functions Lhsdpfx Afowhza Uekok - Mobility: Electric crawler/tracked chassis with rubber pads / Electro-hydraulic control of moving parts - Power generator: 50 kVA, water-cooled 4-cylinder diesel engine - Throughput: up to 60 t/h (depending on material) Transport dimensions approx. 13600 x 3000 x 3100 mm LWH Weight approx. 21000 kg Sold on behalf of the customer, ex location near 85456 Wartenberg, without dismantling, transport and assembly Errors in the 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 manufacture and scope of delivery according to manufacturer's brochure or previous owner, without guarantee Subject to prior sale No warranty is given for used machines, the following applies: “purchased as viewed” Images and videos serve as examples and do not represent the actual scope of delivery Terms of payment: Prices excl. VAT, payment before collection or shipping Terms of delivery: ex location

Condition: used, Year of construction: 2006, No. 10034 2 pieces stationary single shaft shredder Doppstadt DW 2560 E1 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 Lsdpfx Ajym Edtefkshk 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: excellent (used), Year of construction: 2003, We currently have 6 units of the Weland Compact Lift 2440x820 available for sale in excellent condition. These vertical lift modules are from 2003 and have been regularly serviced by the manufacturer. All machines are fully operational. The machines are offered in packages of 3 units at a very competitive price. They are ideal for anyone seeking efficient storage solutions without the high cost of new equipment. Each tray measures 2,445 mm in width and 820 mm in depth, providing a surface area of 2 m² per tray. With approximately 40 trays per machine, each unit offers a total storage area of 80 m², while occupying just 8.7 m² of floor space. The units have a height of 8,000 mm but can be reduced during installation if required. The machines are ready for prompt delivery and installation. Technical information: Manufacturer: Weland Solutions Year of manufacture: 2003 Model: Weland Compact Lift 2440 Height: 8,000 mm, flexible Width vertical lift module / tray: 2,917 mm / 2,445 mm Lhsdpsx Afcgsfx Afkek Depth vertical lift module / tray: 2,998 mm / 820 mm Number of trays: Approx. 40 per module Maximum load per tray: 300 kg Electrical requirements: 400 V, 20 A

Condition: used, functionality: fully functional, This type of filling machine is designed for the dosing of sauces and other products in the food field, in particular liquid and pasty products that hold in solution pieces of particularly delicate solid products, e.g.: tomato sauce, Bolognese sauce, vegetable puree, béchamel jam, fruit purees, etc. MACHINE COMPOSED OF: - HIGHLIGHTER - ISHIDA MULTIHEAD WEIGHER - VSB/L-4 4 PISTON AUTOMATIC FILLING MACHINE - MONDINI COMPACT EVOLUZIONE E 380 THERMO SEALER AVAILABLE FOR DIFFERENT FORMATS: - Round: 99 mm diameter. - Rectangular: 162 x 122 mm. - Rectangular: 255 x 150 mm. Ljdpfowny Rxjx Afkohk

Condition: used, 🔥 For Sale: HDG Compact 15–50 kW Biomass Boiler – Flexible and Compact Wood Chip Heating System 🔥 The HDG Compact 15–50 kW is a versatile biomass boiler, ideal for residential buildings, small commercial premises or agricultural applications. It is suitable for operation with wood chips and pellets, offering modular output and fully automatic operation within a space-saving design. — Key Features: 🌲 Fuel: Wood chips or pellets ⚡ Output: 15–50 kW 🧠 Fully automatic ignition, feeding and cleaning 🔧 Compact construction – perfect for plant rooms with limited space 🇩🇪 HDG Bavaria – Precision biomass technology made in Germany 📍 Location: Hungary, 9200 Mosonmagyaróvár, Kötöttárugyári út 22 (ProfiKazán) — 💼 Top Heating Systems – ProfiKazán Compact biomass heating systems with maximum flexibility. TOP HEATING SYSTEMS – Used heating units, boilers, heat pumps & accessories direct from stock We are a family business with around 20 years of experience in heating technology and operate a 1,500 m² warehouse in Mosonmagyaróvár, Hungary, with a constantly available stock of about 50–60 units. 📍 Location: Our warehouse is located in Mosonmagyaróvár, Hungary – approx. 15 km from the Austrian border and approx. 80 km from Vienna. Mosonmagyaróvár is the first major town on the Hungarian side after the Austrian border. 🔥 Our range includes, among others: • Wood chip boilers • Pellet boilers • Wood gasification boilers • Log wood boilers • Biomass boilers • Oil and gas boilers • Heat pumps • Thermal ventilators • Hot air blowers • Warm air heaters • Industrial heaters • Buffer tanks • Heat exchangers • Augers • Discharge systems • Burners • Pumps • Comprehensive heating accessories ⚙️ Accessories and Components: Additionally, we offer a large selection of accessories, including circulation pumps, plate heat exchangers and many more components – from private to industrial scale. 🏭 Brands in our range: Fröling, Hargassner, KWB, HDG, Binder, ETA, Herz, Guntamatic, Windhager, Viessmann, Buderus and many more. 🌐 Current Offers: You can find most of our current offers on our website: topheatingsystems.com We also have further units available that are not yet listed online. 📅 Viewing: Viewings can be arranged by appointment at our warehouse. If you are interested, please feel free to contact us – we look forward to helping you find the right solution. Lsdpjwahhvsfx Afkehk

Condition: new, Year of construction: 2026, functionality: fully functional, Shafts for Shredders: Arjes, Terex, Eggersmann, Olnova, Pronar, Komplet, Doppstadt Arjes Impaktor 250/350, Arjes Compactor 300, Terex TDS 815, Terex Caiman 150, Terex Greentec LS2, Komplet Krokodile, Olnova model 5, Doppstadt Core Shredd 250, Eggersmann Impaktor 250 - Standard shafts - Special shafts - Customer-designed shafts - Spare parts Ljdpoychwzofx Afkjhk - Knives Concrete / Paddle / Star / Metal / Electro and many more!

Condition: excellent (used), DOPPSTADT MECHANICAL ROLLER SHREDDER mod: DW 3060 E1 COMPLETE WITH ENGINE, HYDRAULIC CONTROL BOX, EXTRACTION BELT AND ELECTRICAL PANELS Year: 2005 Dimensions: Total length: mm 7900 Overall width without catwalk: mm 2950 Total height: mm 5600 Loading width: mm 1900 Loading length: mm 3060 Total weight: kg 30,000 approx. With motor: kw 315 Rotation speed: 2000 rpm With hydraulic power unit: kw 7.5 Cutting roller dimensions: Length: mm 3000 Ljdpfxeun Sx So Afkshk Rotor diameter: mm 600 Speed: 31 rpm Rotor: 1 Number of rotor teeth: 21 Teeth width: mm 60 Teeth height: mm 150 Rotor protection wear band material: Hardox 400 Comb: 1 Number of comb teeth: 22 Comb teeth width: mm 60 Useful extraction belt width: mm 1000 Installed power: kw 5.5