Used Sigma 4-16 Ks for sale (66,046)

Condition: used, Rexroth axial piston pump AKP71 with valve- refurbished - removed from Demag Ergotech 6 conceptmanufacturer: Rexroth Type: AKP71 spare part no.: 1 manufacturer no.: R900904809, R9009363type code: SYDFEE-1X/71RKB4-10E3CX2M-027 (SYDFEE-11/71RKB4-10E3CX2M-027)The digit before the first slash describes the device series. For this reason, this digit of the type code on your old spare part may differ. If you have any questions, please do not hesitate to contact us. Hjdsit Ruxopfx Aahsu Dition: überholt

Condition: good (used), Year of construction: 1992, Used circular saw from Kaltenbach Hodpfx Aoz Hbhksaheu Type: KKS 400 EC-H Capacity: ø400mm Includes a 6-meter infeed and outfeed roller conveyor with an analog measuring system.

Condition: excellent (used), I am offering for sale a professional LeCroy WaveJet 354A digital oscilloscope, designed for laboratory, service, and industrial applications. This is a high-quality measuring instrument with a bandwidth of 500 MHz and a sampling rate of 2 GS/s. Technical specifications: • Manufacturer: LeCroy • Model: WaveJet 354A • Bandwidth: 500 MHz • Sampling rate: 2 GS/s Hedszru Sispfx Aahsu • 4 analog channels • USB port • Built-in carrying handle • Power supply: 90–264 V AC, 47–63 Hz Condition: • Used, in good visual condition with normal signs of use. • The device powers on and functions correctly – the display is working, as can be seen in the photos.

Condition: used, functionality: fully functional, Year of construction: 2019, operating hours: 3,620 h, load capacity: 1,600 kg, lifting height: 4,640 mm, free lift: 1,515 mm, fuel type: electric, mast type: triplex, construction height: 2,105 mm, empty load weight: 3,265 kg, total length: 1,887 mm, drive type: Elektro, construction width: 1,060 mm, Electric 3-wheel forklift Load center: 500 ISO class: ISO Class 2 = 1,000 - 2,500 kg Hsdpfx Ajz Hgbieahju Mast type: Triplex Technical condition: very good Front tire type: Non-marking Front tire size: 18x7-8 Front tire condition: 60 - 80% Rear tire type: Non-marking Rear tire size: 140/55-9 Rear tire condition: 20 - 40% Battery voltage: 48V Battery capacity: 625Ah Battery manufacturer: Jungheinrich Battery type: PzS Battery year of manufacture: 2019 Battery condition: 60 - 80% Description: Inspection and safety check recently performed 3rd valve, 4th valve, work lights (front), overhead guard, windshield, full free lift, safety light, interior mirror, joystick, single-pedal operation, LED, 3-wheel, single-pedal operation, joystick (Solo-Pilot), access via numeric code, comfort seat, panoramic rearview mirror, multi-color display, optional button panel, rear floor spot light, electric steering, electric brake, battery can be regenerated upon request (for an additional charge).

Condition: new, Year of construction: 2026, machine/vehicle number: PB16040, functionality: fully functional, power: 18 kW (24.47 HP), input voltage: 380 V, input current: 30 A, input frequency: 50 Hz, type of input current: three-phase, pressing force: 160 t, stroke length: 250 mm, operating speed: 10 mm/s, reverse speed: 150 mm/s, table width: 100 mm, table length: 4,000 mm, table height: 850 mm, throat depth: 400 mm, ram plate width: 1,900 mm, ram plate length: 4,000 mm, distance table to ram: 3,500 mm, clearance between the columns: 3,500 mm, oil tank capacity: 400 l, total length: 4,500 mm, total width: 2,000 mm, total height: 2,650 mm, overall weight: 12 kg, Equipment: CE marking, safety light barrier, High-end electro hydraulic servo system, upper slider controller by the full loop synchronization. Main servo motor guaranteed high efficiency, lower noise, energy saving. Mechanical compensation on crowning of worktable and deformation compensation on throat, ensuring bending strength and precision. Qualified accessories used to ensure press brake’s long-term stability running. Ball screw and linear guide adopted to ensure accurate and fast backgauge. Movable front support helps with bending convenience. 2D and 3D multifunctional CNC system from Delem and Cybelec. Equipped with side guards and closed rear guards. 8+1 axis/6+1 axis control European technician service, installation, training No. Name Parameter Unit 1 Nominal force 1600 KN 2 Worktable length 4000 mm 3 Worktable height 850 mm 4 Distance between vertical 3500 mm 5 Stroke 250 mm 6 Equipping die height 500 mm 7 Throat depth 400 mm 8 Control axes 8+1 Axes Y1, Y2, X1, X2, R1, R2, Z1, Z2+V 9 Y axis working speed Quick down 160 mm/s Working 10 mm/s Return 150 mm/s 10 Y axis repeat position accuracy ±0.01 mm 11 Main servo motor Power 18 KW Brand INOVANCE Speed 1500r/min 12 Work piece Precision Straightness 0.3 mm/m Angle ±30’ /m 13 Back gauge X axis Stroke 600 mm Max. speed 200 mm/s Repeat position accuracy ±0.02 mm 14 Back gauge Hedpey U Hmgefx Aahou R axis Stroke 200 mm Max. speed 150 mm/s Repeat position accuracy ±0.05 mm 15 Dimension (Approximate) Length 4000 mm Width 1900 mm Height 2600 mm 16 Weight(Approximate) 10500 Kg No. Parts Name Brand Brand Location Remarks 1 Main servo motor INOVANCE China 2 Servo motor and drive INOVANCE China 3 Main Electrics Schneider France 4 Oil Cylinder HEYAN China TOP BRAND 5 Seal ring NOK Japan 6 Hydraulic valve & Filter Rexroth BOSCH Germany 7 Pump Hawe Germany 8 Controller DA69T Netherlands 9 Toolings Cnstamp 10 Ball screw Hiwin China Taiwan 11 Guide rail Hiwin China Taiwan 12 Grating ruler GIVI ITALY 13 Footswitch Enchi China 14 Stop finger with linear guide YES 15 Crowing table Motorized 16 Front laser protection LNTECH CE standard 17 Side and Back doors with limit switch Schneider CE standard

Condition: used, mileage: 3,70,000 km, power: 353 kW (479.95 HP), first registration: 05/2016, fuel type: diesel, overall weight: 33,000 kg, axle configuration: 3 axles, brakes: retarder, color: grey, gearing type: mechanical, emission class: euro6, Equipment: air conditioning, all wheel drive, * MAN TGS 33.480 6x6 all-wheel drive * Meiller 2-sided tipper (rock tipper) * Bordmatic * Manual transmission * Retarder / PriTarder * Full leaf spring suspension * Mileage: 370,000 km * Vehicle Identification Number (VIN) available * Emission standard: Euro 6 * Year of manufacture: 2016 ----* MAN TGS 33.480 6x6 (Euro 6, year of manufacture approx. 2016): * Engine / Power * Engine: MAN D26 (inline 6-cylinder diesel) * Displacement: approx. 12.4 to 12.5 liters (approx. 12,419 to 12,490 cm³)---- * Power * HP (horsepower): 480 hp * kW (kilowatts): 353 to 358 kW * Torque * Max. torque: approx. 2,300 Nm * Other important data * Cylinders: 6 (inline engine) * Transmission: Manual transmission (e.g., ZF 16-speed) * Drive: 6x6 all-wheel drive Emission standard: Euro 6 (for your vehicle)----* Tel.: call (Contact · Phone · Mobile · WhatsApp) Hsdpfx Aaezhd U Eoheu

Condition: ready for operation (used), - USED - SURFACE GRINDING MACHINE MAX GRINDING LENGTH: 1015 mm MAX GRINDING WIDTH: 405 mm MAX GRINDING HEIGTH: 350 mm MAGNETIC CHUCK: 400 x 1000 mm Hedpfx Ajh St Dqsahju GRINDING WHEEL SIZE: 50 x 127 x 350 mm MOTOR POWER: 3,7 kW WEIGHT: 3600 Kg OVERALL DIMENSIONS: 3500 x 1700 x 2000 mm ACCESSORIES: DRESSING TOOL

Condition: used, functionality: fully functional, Year of construction: 2021, operating hours: 2,521 h, load capacity: 45,000 kg, lifting height: 15,100 mm, fuel type: diesel, mast type: telescopic, construction height: 4,770 mm, empty load weight: 72,500 kg, total length: 11,320 mm, drive type: Diesel, construction width: 4,188 mm, Full container reach stacker Mast type: Telescopic Transmission: DANA TE30 Hsdpfxsz D Ni Rj Aaheu Condition: Ready for use and fully functional Technical condition: very good Front tire type: Pneumatic Front tire size: 18.00-25 Rear tire type: Pneumatic Rear tire size: 18.00-25 Description: In addition to this SANY model, we have approximately 200 heavy-duty forklifts, compact forklifts, and side loaders in our warehouses in Hamburg and Gdansk. Visit our website - sago-online. Lease-purchase and financing options at favorable terms are always possible for us. We also gladly purchase your used vehicles outright, even if you do not purchase a vehicle from us. Our owner, Mr. Peter Sawitzki, will be happy to provide you with detailed advice on this SRSC45G5-P. P.S.: Our forklift master workshop specializes in repair, maintenance, overhaul, and custom fabrication for forklifts from 8 tons upwards. We will also gladly offer your vehicle for sale on consignment in our showroom. ELME piggyback spreader 20 / 40' type: 857-19251 Heater, full cab

Condition: repair required (used), HAMECH TKS 400 CIRCULAR SAW – FOR PARTS For sale: a Polish-made HAMECH TKS 400 circular saw. The machine is sold FOR PARTS / FOR REPAIR – it is incomplete. MISSING THE SAW LIFTING / ADJUSTMENT MECHANISM. Sold in the condition shown in the photos. DATA FROM THE NAMEPLATE: • Manufacturer: HAMECH • Forest Machinery Industry Plant • Type: TKS 400 • Year of manufacture: 1990 • Serial number: 536 • Voltage: 380 V • Motor power: 5.5 kW • Frequency: 50 Hz The saw has a solid, heavy-duty construction and a large work table. The machine can be used as a basis for repair or as a source of spare parts. PLEASE NOTE: • Missing saw lifting mechanism • Machine is incomplete • Not sold as ready for operation • Technical condition has not been thoroughly checked Hodpfx Aaoz Hrgqshsu • Visible signs of years of use • Paint loss and surface corrosion • Sold in the condition shown in the photos For the TKS 400 model, configurations with a main blade up to 400 mm, a 5.5 kW motor, and adjustment of the blade position up/down and at an angle are common. The parameters of individual TKS 400 versions may vary. The machine is sold as INCOMPLETE – FOR PARTS / FOR REPAIR. Possible to inspect before purchase. Collection in person.

Condition: new, neu ca. 2 - 4 Wochen ab Auftr 3695 € 2400 x 1200 mm 3000 kg 482 kg Hjdpfx Aoyq Sr Esaheu 200 mm 16 mm THIS MODEL FORMS THE BASIS OF THE ENTIRE SYSTEM. IT CAN BE EXTENDED ON ALL FIVE SIDES AS REQUIRED. Our tables are characterised by the high degree of hardness with our Cr75M+ hard chrome plating, the very high degree of accuracy of +/- 0.05 mm on the entire table surface and the tolerances of the hole diameters of the entire hole pattern. 3D standard welding and clamping table, 2400 x 1200 x 100 mm with Cr75M+ hard chrome plating Table system: 16 mm Material thickness: 12 mm Including table substructure and standard table legs * S355J2+N with Cr75M+ hard chrome plating * Hole: 16 mm, material thickness: 12 mm * Including coated table substructure * Side panel 100 mm with 2-row hole pattern and 25 mm hole spacing * Table top with 2-sided fine scaling and 50 x 50 mm grid line * Rounded edges and holes * Solid standard table legs with load capacity 1 tonne per leg; 500 kg per leg for castor model

Condition: used, Year of construction: 2025, Nominal volumetric flow rate: 1,447 m³/h Hsdpfx Asz E Sz Esahju Power: 2.2 kW Negative pressure: 2,200 Pa Filter area: 9.5 m² Diameter: 160 mm Dimensions: 1665 x 900 x 1980 mm Weight: 306 kg Storage location: Nattheim

Condition: used, Year of construction: 2016, loading space width: 2,300 mm, loading space length: 5,700 mm, loading space height: 1,750 mm, Refrigeration structure: Deep freezer, 4 doors on the left, number of doors on the right 4 doors, 2 doors at the rear, partition wall can be folded and moved. Refrigeration unit: Multi-Temp with 2 evaporators, compressor/electricity drive, cooling down to -33 °C °C ID: 117992 4 pieces stock 3 temp/chambers ThermoKing -0°C -to -33°C Bj16 Plate cooling is a cooling system that uses eutectic plates to maintain a suitable temperature level. The passive plates are connected to the power grid (380V) overnight. The solidification point of the eutectic solution is -33 °C. The eutectic plates are used to maintain the temperature of the already frozen product. We always have a large selection of used refrigeration and ice cooling vehicles in stock. You can find more of our offer under Non-binding offer, sale only to traders, errors and prior sale reserved. Advertisements and company logos on vehicles may have been digitally edited on photos. Hjdpfx Aev S Ntfjahju

Year of construction: 2016, condition: ready for operation (used), Control Unit Brand HAAS Model Sigma 5 Main Drive Number of axis 2 Hsdox H Uz Nspfx Aahsu This HAAS TR160 with Sigma 5 was manufactured in 2016. It features a 2-axis table and is equipped with a Sigma 5 servo motor, ensuring precise and efficient operation. Ideal for those looking to enhance their machining capabilities. Contact us for more information. Application Types Other Machine Tools

Condition: used, mileage: 17,500 km, power: 159 kW (216.18 HP), first registration: 12/1987, fuel type: diesel, empty load weight: 7,600 kg, maximum load weight: 4,400 kg, overall weight: 12,000 kg, tire size: 10R22.5, axle configuration: 4x2, wheelbase: 3,600 mm, color: red, driver cabin: other, gearing type: mechanical, emission class: none, suspension: steel, number of seats: 9, Equipment: ABS, cabin, differential lock, fog lights, trailer coupling, Vehicle location: Bovenden, Doka, 1x air seat, switch 5, ABS (anti-lock braking system), power take-off, differential lock, fog lights, rotating beacon, storage box, leaf suspension, trailer hitch Wheelbase: 3600 mm Body: TLF16/25 tank fire-fighting vehicle, built-in pump FP 16/8 & 2500l water tank Body length approx. 3700mm! Spare wheel available for an extra charge! Hsdpfx Ajvhknvjaheu The sale to tradesmen or export is subject to 19% VAT! ACCESSORY INFORMATION WITHOUT WARRANTY, subject to alterations, prior sale and errors excepted! - .

Condition: used, mileage: 32,975 km, power: 118 kW (160.44 HP), first registration: 02/1986, fuel type: diesel, empty load weight: 6,320 kg, maximum load weight: 2,880 kg, overall weight: 9,200 kg, tire size: 9R22,5, axle configuration: 4x4, wheelbase: 3,500 mm, color: blue, driver cabin: other, gearing type: mechanical, emission class: none, suspension: steel, Equipment: all wheel drive, cabin, differential lock, trailer coupling, Vehicle location: Bovenden, Doka, double bench seat, switch 5, differential lock, storage box, leaf suspension, air+light trailer hitch Wheelbase: 3500 mm double cab, box body with roller shutters. Body length approx. 3100 mm! Spare wheel available for an extra charge! The sale to tradesmen or export is subject to 19% VAT! ACCESSORY INFORMATION WITHOUT WARRANTY, subject to alterations, prior sale and errors excepted! Hodpfevhky Ssx Aahou - .

Condition: used, mileage: 1,09,575 km, power: 159 kW (216.18 HP), first registration: 05/1984, fuel type: diesel, empty load weight: 8,500 kg, maximum load weight: 4,800 kg, overall weight: 13,300 kg, tire size: 10R22.5, axle configuration: 4x4, wheelbase: 3,600 mm, color: red, driver cabin: other, gearing type: mechanical, emission class: none, suspension: steel, number of seats: 6, Equipment: additional headlights, all wheel drive, cabin, differential lock, fog lights, trailer coupling, Vehicle location: Bovenden, Doka, 1x air seat, switch 5, auxiliary drive, differential lock, fog lights, rotating beacon, storage box, leaf suspension Wheelbase: 3600 mm Body: LHF 16 fire-fighting support vehicle with Bachert body, FP 16/8 egg pump, 1600 l water tank & 400 l foam tank Body length approx. 3700 mm! The sale to tradesmen or export is subject to 19% VAT! ACCESSORIES WITHOUT WARRANTY, subject to alterations, prior sale and errors excepted! Hjdpfx Ajvhlihoaheu - .

Condition: used, mileage: 39,785 km, power: 205 kW (278.72 HP), first registration: 03/2000, fuel type: diesel, empty load weight: 8,640 kg, maximum load weight: 4,860 kg, overall weight: 13,500 kg, tire size: 10R22.5, axle configuration: 4x4, wheelbase: 3,560 mm, color: red, driver cabin: other, gearing type: mechanical, emission class: euro2, suspension: steel, number of seats: 9, Equipment: ABS, additional headlights, all wheel drive, cabin, differential lock, fog lights, immobilizer system, low noise, power assisted steering, trailer coupling, Vehicle location: Bovenden, Doka, swivel seat, electric mirror, heated mirror, electric window left, electric window right, sun visor, switch 6, ABS (anti-lock braking system), constant throttle, power take-off, differential lock, fog lights, work lights, rotating beacon, stowage box, leaf suspension, towing device, noise alarm G1, roof hatch Wheelbase: 3560 mm Body: LF 16/12 fire engine with Schlingmann body, 1600 l water tank & Rosenbauer FPN 16/8 built-in pump Differential lock front and rear axle, 6.1 t front axle, rear axle H4 10.8 t crown wheel 410, ABS, PSM, engine brake with constant throttle, transmission oil cooling, auxiliary drive MB 61-10b flange M speed. In 11/2023 solenoid valve and clutch master cylinder incl. control unit renewed for approx. 4500,00€! Hjdpovhnvwsfx Aaheu The sale to traders or export is plus 19% VAT! ACCESSORY INFORMATION WITHOUT WARRANTY, subject to alterations, prior sale and errors excepted! - .

Year of construction: 2018, condition: used, heat-shrink tube Hsdpfxjvimt De Aahju MA47 30/8 MA47  75/22 SRH2 56-16 black 1   - 10 pieces per packaging unit 9 cartons on stock - price per packaging unit - weight per packaging unit approx. 3 kg

Condition: used, heat-shrink tube 3 : 1 (50/16 mm) black 1 m - 8 pieces are one packaging unit Hedpsvimubofx Aahou data sheet please refer to photo 11 cartons on stock - price per packaging unit - weight per packaging unit approx. 2.3 kg

Condition: used, mileage: 30,000 km, power: 129 kW (175.39 HP), first registration: 06/1981, fuel type: diesel, empty load weight: 6,965 kg, maximum load weight: 4,535 kg, overall weight: 11,500 kg, tire size: 8,25 R 20 14PR, axle configuration: 4x4, color: red, driver cabin: other, gearing type: mechanical, suspension: steel, total length: 7,030 mm, total width: 2,470 mm, total height: 3,080 mm, Equipment: all wheel drive, differential lock, fog lights, trailer coupling, Vehicle location: Bovenden, Doka, differential lock, fog lights, rotating beacon, leaf suspension, AHK light Double cab, box body with roller shutters, front pump, trailer coupling, with parts of the fire fighting equipment, top speed 92 Km/h ACCESSORY INFORMATION WITHOUT WARRANTY, subject to alterations, prior sale and errors excepted! Hedpovhhp Rjfx Aahju - .

Condition: used, functionality: fully functional, Year of construction: 2016, operating hours: 2,436 h, load capacity: 1,600 kg, lifting height: 5,410 mm, free lift: 1,850 mm, fuel type: electric, mast type: triplex, construction height: 2,270 mm, drive type: Elektro, High-lift pallet truck Mast type: Triplex Transmission: Automatic Condition: Ready for use and fully functional Technical condition: Very good Hodpfevizq Dox Aaheu Front tires type: Polyurethane Rear tires type: Polyurethane Battery voltage: 24V Battery condition: New Description: Price includes new UVV inspection, NEW painting, matching charger with plug, NEW battery (ordered upon receipt of order), electric steering. We are happy to organize cost-effective transport. Lease-purchase possible! Special price! Full free lift, CE certificate, Electric steering

Condition: used, Year of construction: 2001, machine/vehicle number: 150204, Press capacity: 100 ton Ram stroke: 300 mm Slide adjustment: 125 mm Shut height (stroke down, adjustment up): 600 mm Free frontal opening L-R: 2.020 mm Free lateral opening F-B: 620 mm Table surface area : 2.000 x 1.000 mm Slide area: 2.000 x 900 mm Hole in table: 1.700 x 300 mm Hedpjvmfznofx Aahou Number of strokes: 10 - 50 s.p.m. Table height over floor: 1.200 mm Required power: 39 kW Height over floor approx.: 4.400 mm Dimensions L x W x H: 5.166 x 2.500 x 4.400 mm Weight of machine approx.: 38 ton Standard configuration electrical overload protectionSIEMENS Control S72-hand control panel Extended machine accessories Automation Schleicher leveller (650 mm, max. 2.0 mm)Wanzke decoiler (max. 6t)Helmerding feeder (600 mm, 0,6 - 6,0 mm)

Condition: used, functionality: fully functional, Year of construction: 2002, operating hours: 10,539 h, load capacity: 4,000 kg, lifting height: 6,500 mm, fuel type: gas, mast type: simplex, construction height: 4,030 mm, fork carriage width: 1,315 mm, fork length: 1,600 mm, empty load weight: 7,550 kg, total length: 4,120 mm, drive type: Treibgas, construction width: 2,400 mm, Sideloader Load center of gravity: 800 Fork width: 120 mm Fork thickness: 50 mm Mast type: Standard Condition: Ready for use and fully functional Technical condition: Very good Front tires type: Superelastic Front tires size: 27x10-12 Rear tires type: Superelastic Rear tires size: 27x10-12 Hodjv U Erpopfx Aaheu Description: In addition to this Baumann model, we also have approximately 200 heavy-duty forklifts, compact forklifts, forklifts, and sideloaders in our warehouse in Hamburg and Gdansk. Visit our website - sago-online. Hire purchase and financing at favorable conditions are always available. We are also happy to purchase your used vehicle on an over-the-counter basis, even without you purchasing a vehicle from us. Our owner, Mr. Peter Sawitzki, will be happy to advise you in detail about this HX40/16/65. P.S.: Our forklift workshop specializes in repairs, maintenance, overhauls, and custom construction for forklifts weighing 8 tons and over. We would also be happy to display your vehicle for consignment sale. Heating, full cab, Olatform height: 850 mm

Condition: used, functionality: fully functional, Year of construction: 2013, operating hours: 12,796 h, load capacity: 6,000 kg, lifting height: 4,000 mm, free lift: 2,050 mm, fuel type: diesel, mast type: duplex, construction height: 2,950 mm, fork carriage width: 1,460 mm, fork length: 1,600 mm, empty load weight: 9,890 kg, total length: 5,000 mm, drive type: Diesel, construction width: 2,440 mm, Sideloader Load center of gravity: 800 Fork width: 180 mm Fork thickness: 60 mm Mast type: Duplex Condition: Ready for use and fully functional Technical condition: Very good Front tires type: Pneumatic Front tires size: 3.00-15 Rear tires type: Pneumatic Rear tires size: 3.00-15 Description: In addition to this Bulmor model, we also have approximately 200 heavy-duty forklifts, compact forklifts, forklifts, and sideloaders in our warehouse in Hamburg and Gdansk. Visit our website - sago-online. Hire purchase and financing at favorable conditions are always available. We are also happy to purchase your used vehicle on an over-the-counter basis, even without you purchasing a vehicle from us. Our owner, Mr. Peter Sawitzki, will be happy to advise you in detail about this DFQ 60/16/40ZS. P.S.: Our forklift workshop specializes in repairs, maintenance, overhauls, and custom construction for forklifts weighing 8 tons and above. We would also be happy to display your vehicle for consignment sale. Hjdpov U Ezdofx Aahju NIVO fork Heating, full cab, full free lift, Platform height: 1050 mm

Condition: good (used), Frequency converter, frequency transformer, drive converter, controller, variable speed drive, servo controller, control system, converter, PLC control system, power supply unit, inverter, servo drive, drive controller -Manufacturer: KEB, Frequency converter Drive Controller Combivert Type: F4 -Part No.: 16 F4 C1G-M440/2 2 -Power: 23 kVA / 15 kW -Quantity: 1x frequency converter available -Price: per piece -Dimensions: 415/180/H335 mm -Weight: 14.9 kg/pc. Hjdpewcx Rmefx Aahsu