Used Ruthmann Sa 18 Hb for sale (15,231)

Condition: used, Year of construction: 1988, Manufacture : Goavec SA Year : 1988 Previous application: Cream tank (fluid/thick) Volume : 10000 Litres Material : 304 stainless steel (Thickness : 25/10) Insulation : yes Tank pressure : atmospheric Agitation : 2.4 KW - 32 rpm 1 fixed paddle: counter-stirring Washing balls: 3 units Inspection hatch: manhole Removable guardrail Drawing available (digital version) Dedpfx Ajx R Dkzei Sscn

Condition: good (used), Year of construction: 2011, Truck-mounted aerial work platform – Ruthmann Steiger TB 220 Manufacturer: Ruthmann Model: TB 220 Year of manufacture: 2011 Technical data Working height: 22.10 m Platform height: 20.10 m Lateral reach: 14.00 m Slewing range: 450° Total weight: 3,500 kg Length: 7.20 m Width: 2.10 m Headroom: 3.00 m Work platform size: 1.40 m x 0.70 m Platform load capacity: 200 kg Outriggers: Horizontal/Vertical Drive: Diesel Special equipment 220 V connection to the work platform Automatic leveling system Driver’s license class: 3 / B Dates/inspections Dodpfxohwr Rvs Ai Socn TÜV (technical inspection): valid until 12/2027 UVV (accident prevention regulations): valid until 08/2026 Mileage: 129,705 km as of 03/2026 Price quoted plus statutory VAT. Are you interested? We are always happy to assist you! You can reach us from Monday to Friday between 7:00 a.m. and 4:00 p.m.! Subject to changes, errors and prior sale.

Year of construction: 2018, condition: good (used), heating cooling device HB Therm 160 Z2 Serie 5 Water, 160°C 17 KW year: 2017-2018 Djdpfx Aijk Tapws Socn price: 5.950 € contact: Mr. Rainer Eckerle

Condition: good (used), TANK WITH MIXER IN GOOD CONDITION. Dcjdpfxjzdzkvo Ai Sjn

Condition: used, mileage: 4,23,175 km, power: 324 kW (440.52 HP), first registration: 08/2015, fuel type: diesel, empty load weight: 8,300 kg, maximum load weight: 9,725 kg, overall weight: 18,000 kg, tire size: 315/80R22.5, axle configuration: 4x4, wheelbase: 3,900 mm, next inspection (TÜV): 06/2026, brakes: engine braking, color: yellow, driver cabin: sleeper cab, gearing type: mechanical, emission class: euro6, suspension: steel-air, number of seats: 2, Equipment: ABS, additional headlights, air conditioning, all wheel drive, cabin, central locking, cruise control, differential lock, hydraulics, onboard computer, parking heater, power assisted steering, seat heater, traction control, Vehicle location: Bovenden, Lg. Haus. 1x comfort seat, 1x bunk, seat heating, electric mirrors, heated mirrors, electric window left, electric window right, air conditioning, sun visor, cruise control, auxiliary heater, 16-speed manual transmission, ABS (anti-lock braking system), traction control (ASR), constant throttle, PTO, tipper hydraulics, differential lock, work lights, rotating beacon, leaf-air suspension, aluminum tank, roof hatch, environmental badge green. Djdpsymrmusfx Ai Socn Wheelbase: 3,900 mm. MAN HydroDrive, medium height chassis, L-cab, gearbox ZF 16 S 222 OD, differential lock on rear axle, MAN BrakeMatic, ABS, MAN Tronic, tank capacity: 400. PTO NH/1. ACCESSORY DETAILS WITHOUT GUARANTEE. Subject to change, prior sale and errors excepted!

Condition: used, mileage: 5,68,226 km, power: 338 kW (459.55 HP), first registration: 03/2017, fuel type: diesel, empty load weight: 7,870 kg, maximum load weight: 10,130 kg, overall weight: 18,000 kg, tire size: 315/80R22.5, axle configuration: 4x4, wheelbase: 3,600 mm, brakes: engine braking, color: orange, driver cabin: day cab, gearing type: mechanical, emission class: euro6, suspension: steel-air, number of seats: 2, Equipment: ABS, additional headlights, air conditioning, all wheel drive, cabin, central locking, cruise control, differential lock, low noise, onboard computer, power assisted steering, seat heater, traction control, Vehicle location: Bovenden, at dealer’s premises. 1x comfort seat, seat heating, electric mirrors, heated mirrors, electric window left, electric window right, air conditioning, sun visor, radio-CD, cruise control, 16-speed manual, ABS (anti-lock braking system), traction control (ASR), constant throttle, PTO, tipper hydraulics, upright exhaust, differential lock, work lights, leaf-air suspension, roof hatch, green environmental sticker. Wheelbase: 3600 mm. Cold-start system, front axle VH-09 hydrostatically driven, rear axle AP HP-1352, MAN HydroDrive, medium-high chassis, ZF 16 S gearbox, stabilizers on front and rear axle, differential lock on rear axle, MAN BrakeMatic, ABS, ASR, disc brakes on front axle, drum brakes on rear axle, fine dust and pollen filter, brake pad wear indicator, MAN Tronic, TollCollect preparation, smoker's package, fuel tank capacity: 400l, PTO NH/1C without flange. ACCESSORY SPECIFICATIONS WITHOUT GUARANTEE, subject to modifications, prior sale and errors! Dedoym Dxvjpfx Ai Socn

Condition: used, mileage: 4,47,000 km, power: 294 kW (399.73 HP), first registration: 06/2012, fuel type: diesel, overall weight: 19,000 kg, axle configuration: 2 axles, brakes: retarder, color: black, gearing type: mechanical, Year of construction: 2012, Equipment: ABS, air conditioning, crane, MAN TGS 18.400 / 4x2 TRAKTORUNIT + CRANE + REMOTE CONTROL Imported / Accident-FREE IN GOOD CONDITION! ? YEAR OF PRODUCTION: 2012 ? MILAGE: 447 000 km EQUIPMENT: ? ABS ? ASR ? POWER STEERING ? EL WINDOWS ? EL MIRRORS ? ENGINE BRAKE ? TACHOGRAPH ? AIRCONDITION TOTAL WEIGHT: 19 000 kg WHEELBASE: 390 cm TIRE SIZE: 315/80R22,5 SUSPENSION: FRONT: SPRING SUSPENSION BACK: AIR SUSPENSION CRANE: HMF 1720 K6 + REMOTE CONTROL TEL: Dcsdsrxp Hijpfx Ai Son KUBA - POLSKI, ENGLISH, DEUTSCH, ITALIANO SEBASTIAN - POLSKI, DEUTSCH, ITALIANO, ????? LASZLO - MAGYAR COSTEL - ROMÂN? (Romana facem toate formalitatile pt export inclusiv nr) RADEK - ?????

Condition: used, machine/vehicle number: 439, mileage: 5,82,950 km, power: 338 kW (459.55 HP), first registration: 11/2016, fuel type: diesel, empty load weight: 8,000 kg, maximum load weight: 10,000 kg, overall weight: 18,000 kg, tire size: 315/80 r22,5, axle configuration: 4x4, wheelbase: 3,600 mm, brakes: other, color: green, driver cabin: sleeper cab, gearing type: automatic, emission class: euro6, suspension: steel-air, Equipment: ABS, additional headlights, air conditioning, all wheel drive, cruise control, differential lock, hydraulics, low noise, navigation system, onboard computer, parking heater, traction control, * Urea tank (AdBlue) * Displacement 12,419 ccm * Tipping hydraulics * EBS * Light alloy rims * Pritarder continuous brake * Automatic air conditioning * Sun visor * Air-suspended cab * Rotating beacons * 1 couch Dcjdpfx Aislxmhvo Sen * Alcoa aluminum rims * Exhaust upwards * Cool box Errors excepted

Condition: used, mileage: 3,22,000 km, power: 368 kW (500.34 HP), first registration: 01/2018, fuel type: diesel, overall weight: 19,000 kg, axle configuration: 2 axles, color: white, gearing type: mechanical, Year of construction: 2018, Equipment: air conditioning, crane, electronic stability program (ESP), MAN TGS 18.500 / 4x2 TRAKTORUNIT + CRANE + REMOTE CONTROL Imported / Accident-FREE IN GOOD CONDITION! ? YEAR OF PRODUCTION: 2018 ? MILAGE: 322 000 km EQUIPMENT: ? ABS ? ASR ? POWER STEERING ? EL WINDOWS ? EL MIRRORS ? ENGINE BRAKE ? TACHOGRAPH ? AIRCONDITION TOTAL WEIGHT: 19 000 kg WHEELBASE: 390 cm TIRE SIZE: 315/80R22,5 SUSPENSION: FRONT: SPRING SUSPENSION BACK: AIR SUSPENSION Dodpfxondf Rde Ai Secn CRANE: HMF 1820 K5 + REMOTE CONTROL VIN: WMA06SZZ7JM774013 TEL: KUBA - POLSKI, ENGLISH, DEUTSCH, ITALIANO SEBASTIAN - POLSKI, DEUTSCH, ITALIANO, ????? LASZLO - MAGYAR COSTEL - ROMÂN? (Romana facem toate formalitatile pt export inclusiv nr) RADEK - ?????

Condition: used, mileage: 2,86,233 km, power: 250 kW (339.91 HP), first registration: 02/2014, fuel type: diesel, overall weight: 18,000 kg, axle configuration: 2 axles, next inspection (TÜV): 09/2026, color: white, gearing type: automatic, emission class: euro5, loading space volume: 5 m³, loading space length: 4,000 mm, loading space width: 2,420 mm, loading space height: 600 mm, Equipment: ABS, air conditioning, all wheel drive, crane, parking heater, * Sun visor * ABS * Auxiliary heater * Cruise control * Electric windows * Electrically adjustable mirrors * Mirror heating * Roof hatch * Rear window * Air-suspended driver's seat * Longitudinal and transverse differential locks * Transfer case * Off-road reduction gear * Off-road driving program * AP axles * Steel bumper * Amber beacon * Elevated air intake * Trailer hitch * 2-line air connection * Folding underride guard * 12-speed * Suspension: leaf springs * Payload: 7,900 kg * Constant brake: engine brake ----Special bodywork: Crane: Atlas 120.2 E-A2, foldable, radio remote control + elevated operator platform for remote control, 2-stage hydraulic extension, fully hydraulic outriggers, 6th + 7th control circuits for rotary actuator and grab operation. Load chart (as read): Lifts 5.55 t at 1.9 m; 3.26 t at 3.7 m; 2.2 t at 5.4 m; 1.68 t at 7.1 m.----Superstructure: Meiller 3-way steel pallet tipper, raised front wall, spring-loaded side boards left and right, lashing eyes. Dedeyyrr Eopfx Ai Sjcn Sale only to commercial customers. FOR EXPORT, ONLY THE NET PRICE IS PAYABLE!!!!! ALL INFORMATION PROVIDED WITHOUT GUARANTEE, ESPECIALLY REGARDING EQUIPMENT AND ACCESSORIES. Our General Terms and Conditions (see Legal Notice) form the basis of all sales contracts, invoices, pro forma invoices, orders, and sales discussions.

Condition: used, mileage: 5,67,425 km, power: 324 kW (440.52 HP), first registration: 12/2013, fuel type: diesel, empty load weight: 9,890 kg, maximum load weight: 8,110 kg, overall weight: 18,000 kg, axle configuration: 4x4, wheelbase: 3,900 mm, brakes: engine braking, color: red, driver cabin: sleeper cab, gearing type: mechanical, emission class: euro5, suspension: steel-air, number of seats: 2, loading space length: 4,200 mm, loading space width: 2,300 mm, loading space height: 500 mm, front tire size: 385/65R22.5, rear tire size: 315/80R22.5, Equipment: ABS, air conditioning, all wheel drive, cabin, cruise control, differential lock, fog lights, low noise, onboard computer, parking heater, power assisted steering, seat heater, trailer coupling, Vehicle location: Bovenden, steel superstructure, Lg. House, 1x comfort seat, 1x couch, seat heating, electric mirror, heated mirror, electric window left, electric window right, air conditioning, sun visor, radio-CD, cruise control, auxiliary heating, switch 16, ABS (anti-lock braking system), power take-off, differential lock, fog lights, leaf-air suspension, tow bar air-light-hydr., aluminum tank, low-noise G1, U-protection, swing flaps, roof hatch, environmental badge green Wheelbase: 3900 mm Body: IFE 3-sided tipper body MAN HydroDrive, air conditioning, auxiliary heating. Can also be used as SZM! Fifth wheel available at extra cost! ACCESSORIES WITHOUT WARRANTY, subject to alterations, prior sale and errors excepted! Dcedpfx Aovhib Uji Sen - .

Condition: used, mileage: 7,26,000 km, power: 265 kW (360.30 HP), first registration: 03/2009, fuel type: diesel, overall weight: 19,000 kg, axle configuration: 2 axles, color: white, gearing type: mechanical, Year of construction: 2009, Equipment: air conditioning, electronic stability program (ESP), MAN TGS 18.360 / 4x4 TRAKTORUNIT Imported / Accident-FREE IN GOOD CONDITION! ? YEAR OF PRODUCTION: 2009 ? MILAGE: 726 000 km EQUIPMENT: ? ABS ? ASR ? POWER STEERING ? EL WINDOWS ? EL MIRRORS ? ENGINE BRAKE ? TACHOGRAPH ? AIRCONDITION TOTAL WEIGHT: 19 000 kg WHEELBASE: 370 cm TIRE SIZE: 13R22,5 SUSPENSION: Dcjdpfxewyh Rwo Ai Son FRONT: SPRING SUSPENSION BACK: AIR SUSPENSION TEL: KUBA - POLSKI, ENGLISH, DEUTSCH, ITALIANO SEBASTIAN - POLSKI, DEUTSCH, ITALIANO, ????? LASZLO - MAGYAR COSTEL - ROMÂN? (Romana facem toate formalitatile pt export inclusiv nr) RADEK - ????? Ref. nr: 44854

Condition: good (used), functionality: fully functional, Year of construction: 2002, operating hours: 2,442 h, load capacity: 4,000 kg, lifting height: 4,900 mm, fuel type: gas, mast type: duplex, gearing type: automatic, total height: 3,200 mm, Equipment: all wheel drive, lighting, retractable fork, All-wheel drive, four-way reach truck COMBILIFT Amlat C40/18/48GPL Year of manufacture: 2002 According to the hour meter: 2,442 operating hours 4-tonne lifting capacity 3.20 meters stacking height 4.90 meters lifting height Djdpfx Asz Ird Sji Sscn LPG forklift - Duplex free-lift mast - Fork adjustment - Hydraulic extension forks - Wide fork carriage - 4-way reach truck (front and side loading in one machine) - All-wheel drive - Immediately ready for operation, in original condition! - Good tires! - Simple mechanical forklift! Selling price: 11,900,-- net Affordable delivery also possible!

Condition: used, empty load weight: 2,420 kg, maximum load weight: 15,580 kg, overall weight: 18,000 kg, axle configuration: 2 axles, first registration: 08/2018, suspension: air, Equipment: ABS, | Krone AZ18 Trailer | Krone axles with disc brakes | Special blue coating | Polished aluminum rims | good condition | Austrian vehicle | extendable drawbar | tires 385/55/22.5 | Errors, typos and prior sale excepted. Dcodpez I Td Hefx Ai Ssn

Year of construction: 2016, condition: ready for operation (used), travel distance X-axis: 500 mm, travel distance Z-axis: 200 mm, spindle speed (max.): 3,500 rpm, table load: 200 kg, number of axes: 2, Surface grinding machine manufactured in 2016. This OKAMOTO ACC 52 SA features a grinding length of 500 mm and a grinding width of 200 mm, with a maximum table load of 200 kg. The hydraulic table feed rate reaches up to 27 m/min, and the spindle speed can go up to 3,500 rpm. If you are looking to get high-quality grinding capabilities, consider the OKAMOTO ACC 52 SA machine we have for sale. Contact us for further details. * Grinding length: 500 mm* Grinding width: 200 mm* Maximum grinding height (table to spindle center): 350–397 mm* Magnetic chuck: 500 x 200 mm* Table load capacity: 200 kg* Hydraulic table feed: up to 27 m/min* Grinding spindle motor power: 1.5 kW* Standard grinding wheel: 225 x 19 x 50.8 mm Optional Accessories available Dcjdpfszwpt Eox Ai Son

Condition: ready for operation (used), Year of construction: 2009, clamping force: 3,300 kN, screw diameter: 180 mm, This OiMA SACMI 3300-180 was manufactured in 2009. It features a robust electric-hydraulic hybrid drive and an integrated cooling system. The machine is equipped with a GDNet communication interface for real-time monitoring and diagnostics, ideal for producing medium-to-large plastic components. Consider the opportunity to buy this OiMA SACMI 3300-180 hydraulic injection moulding machine. Contact us for more information. • Units available: 2 • Control system: OIMA ECO NT3 • Injection system: Hydraulic Dedpsx D I R Aofx Ai Sscn • Drive: Electric-hydraulic hybrid • Cooling system: Integrated • Diagnostic interface: GDNet communication (real-time monitoring and fault diagnostics) • Applications: Medium-to-large plastic components production

Year of construction: 2001, condition: good (used), HB Therm 140 U1 Series 4 Water, 140°C 9 KW year: 2001-2005 overhold ! price: 1.650 € Dsdswl Ingjpfx Ai Secn contact: Mr. Rainer Eckerle

Condition: ready for operation (used), Year of construction: 1999, Peripheral devices HB-THERM TYPE: HB-CW 90 Dcedpfswuvh Hex Ai Sen 4 units Year of manufacture: 1998-1999

Condition: used, max. wheel diameter 300 mm gear width 200 mm max. module 12 Dcodpexu Nttefx Ai Ssn min. module 0,5 total power requirement 2 kW weight of the machine ca. 1 t dimensions of the machine ca. 0,8 x 1,2 x 1,5 m

Condition: used, functionality: fully functional, Year of construction: 2011, load capacity: 230 kg, lifting height: 20,100 mm, overall weight: 3,500 kg, transport length: 6,750 mm, transport width: 2,100 mm, transport height: 3,000 mm, fuel type: diesel, color: yellow, Equipment: UVV, Truck-mounted aerial platform – Ruthmann Steiger TBR 200 Manufacturer: Ruthmann Model: TBR 200 Year of manufacture: 2011 Technical data Working height: 20.10 m Platform height: 18.10 m Lateral reach: 15.70 m Slewing range: 360° Total weight: 3,500 kg Dcsdpfst Dkg Tox Ai Son Length: 6.75 m Width: 2.10 m Headroom: 3.00 m Working platform size: 1.40 m x 0.70 m Platform load capacity: 230 kg Outriggers: Horizontal/Vertical Drive: Diesel Special equipment 220 V connection to the working platform Automatic setup Tilt 5° / Jib 105° / Platform rotation 2 x 80° Driver's license class: 3 / B Dates/Inspection reports TÜV (technical inspection): valid until 09/2027 UVV (accident prevention regulations): valid until 12/2026 Mileage: 269,745 km as of 04/2026 Price quoted plus statutory VAT. Are you interested? We are always happy to assist you! You can reach us from Monday to Friday between 7:00 a.m. and 4:00 p.m.! Subject to changes, errors and prior sale.

Condition: good (used), Year of construction: 2005, Truck-mounted aerial platform – Ruthmann T 265 Manufacturer: Ruthmann Model: T 265 Year of manufacture: 2005 Technical data Working height: 26.40 m Platform height: 24.40 m Lateral reach: 17.20 m Slew range: 450° Basket arm swivel angle: 200° Total weight: 7,490 kg Length: 9.35 m Width: 2.51 m Overhead clearance: 3.55 m Working platform size: 1.70 m x 1.00 m Platform load capacity: 350 kg Outriggers: Horizontal/Vertical Outrigger spread: 4.40 m on both sides / 3.45 m on one side / 2.50 m in profile Drive: Diesel Special equipment 220 V connection to the working platform Water/air pressure line to the working platform Platform exchange system Platform rotation +/- 45° Cab roof protection Driver's license class: 3 / C1 Dates/Status TÜV (technical inspection): valid until 01/2027 UVV (accident prevention regulations): valid until 11/2026 Mileage: 197,268 km as of 11/2025 Price quoted plus statutory VAT. Are you interested? We are always happy to assist you! Dcjdpfxegy Tu Is Ai Ssn You can reach us from Monday to Friday between 7:00 a.m. and 4:00 p.m.! Subject to changes and errors.

Condition: used, mileage: 1,22,565 km, power: 1,000 kW (1,359.62 HP), first registration: 01/2007, fuel type: diesel, color: white, axle configuration: 6x6, operation weight: 6,00,000 kg, empty load weight: 45,440 kg, driver cabin: day cab, gearing type: automatic, suspension: other, Year of construction: 2007, operating hours: 23,137 h, Equipment: additional headlights, air conditioning, all wheel drive, hydraulics, trailer coupling, Towbarless Push-Back: - Goldhofer - AST-1X 1360 - Year of construction 2007 - 122,565KM; 23,137 operating hours - 2x Deutz diesel engine TCD 2015 V08, 15,874cc each; 500kw - 1x Deutz BF4M1013C, 110kw (GPU) - Hydrostat (Vmax 32km/h) - Drive: 6x6 - additional GPU - Optional front-wheel, all-wheel or crab steering - StrobeLights - tows up to a maximum aircraft weight of 600,000KG (Airbus A380) - Swivel seat - Cabin can be raised and lowered - Climate control - Weight: 45.440Kg - 11.50m x 4.50m x 1.65m (lxwxh) - Machine is currently running in emergency mode for the following aircraft types: Boing: - B767-200...300 - B767-400 - B777 - B747 Airbus: - A300/310 - A330-200...300 - A340-200...300 - A340-500...600 Dcjdpfx Ajqxt N Uoi Sjn - A380-800...800F McDonnell Douglas: - DC-10 - MD-11 You can find a video of this offer on You can find our entire vehicle inventory at Receive all new vehicles by email - subscribe to our NEWSLETTER! Errors and typing errors possible, subject to prior sale!

Condition: new, power: 132 kW (179.47 HP), fuel type: diesel, overall weight: 3,500 kg, color: grey, gearing type: automatic, emission class: euro6, suspension: other, number of seats: 3, Equipment: air conditioning, central locking, trailer coupling, roof hatch, partition wall, metallic, green environmental badge (4), reversing camera, black, electric windows, radio, diesel automatic upholstery leather black radio Euro 6 green environmental badge multifunction steering wheel central locking electric windows 3-seater airbags air conditioning reversing camera trailer coupling side ramp 1-2 horses stallion separation roof hatch window in horse compartment fan surveillance camera in horse compartment separate rear door saddle and bridle holder storage space permissible total weight 3.500 kg FOR US THE CONDITION AND THE FEEL OF THE CONSTRUCTION IS DECISIVE, THE PRICE IS IN SECOND PLACE. If you have any further questions, please do not hesitate to contact Mr. Faller by telephone. //*EXCHANGE, TRADE-IN OR LOAN OF YOUR VEHICLE, AS WELL AS FINANCING POSSIBLE! All information without guarantee* Further offers can be found on our homepage: The description and data given do not constitute a guarantee and are not binding. The purchase contract concluded at the dealership when the vehicle is purchased is binding. Subject to errors and prior sale! Dodpfsvic Htex Ai Socn

Condition: used, empty load weight: 3,620 kg, maximum load weight: 14,380 kg, overall weight: 18,000 kg, axle configuration: 2 axles, first registration: 04/2003, suspension: air, tire size: 265/70R19.5, color: black, mileage: 1,001 km, gearing type: other, driver cabin: other, Equipment: ABS, Vehicle location: Bovenden, 2 axles, BPW axles, turntable, air suspension, ABS (anti-lock braking system), container locking mechanism, sliding chassis, U-shaped protection, side aluminum fender, twin tires, storage box. Dodpfx Aijzcnl Es Socn Superstructure: Sliding chassis trailer for containers up to 7m, drum brakes, 4x pneumatic container locking mechanisms. ACCESSORY INFORMATION WITHOUT GUARANTEE, subject to changes, prior sale, and errors!

Condition: used, empty load weight: 3,204 kg, maximum load weight: 14,796 kg, overall weight: 18,000 kg, axle configuration: 2 axles, first registration: 01/2016, suspension: air, tire size: 265/70R19.5, color: black, mileage: 1,001 km, gearing type: other, driver cabin: other, Equipment: ABS, Vehicle location: Bovenden, 2 axles, SAF axles, turntable, air suspension, ABS (anti-lock braking system), container locking mechanism, U-shaped protection, side aluminum fender, twin tires, storage box. Superstructure: Sliding-platform semi-trailer for containers up to 7m, 2 x 10t SAF axles, disc brakes. Spare wheel available at an extra cost! ACCESSORY INFORMATION WITHOUT GUARANTEE, subject to changes, prior sale, and errors! Dcjdpfxozccpxe Ai Son