Used Bobcat Road Roller for sale (6,117)

Condition: new, functionality: fully functional, power: 27.5 kW (37.39 HP), overall weight: 714 kg, fuel type: diesel, color: white, axle configuration: 1 axle, operation weight: 665 kg, empty load weight: 665 kg, fuel: diesel, emission class: euro5, tire condition: 100 %, Year of construction: 2025, operating hours: 3 h, machine/vehicle number: 437666, Equipment: trailer coupling, New air compressor: Pedpfxjyzp Srj Alqjgk - Yanmar 3-cylinder diesel engine 27.5 kW / 37.4 HP – Stage 5 - 4 m³/min air flow at 7 bar - Plastic canopy - Unbraked chassis 750 kg - Fixed towbar - Car and truck coupling - Tool oiler - 40mm DIN towing eye - Wheel chocks - Enclosed environmental drip tray - 13-pin connector - LED tail lights with EU road approval and CoC from KBA Offer price plus freight charges from factory to Eltmann: 399.00 € All prices in Euro, plus VAT, ex Eltmann Subject to changes, errors, and prior sale

Condition: new, functionality: fully functional, power: 35.5 kW (48.27 HP), overall weight: 714 kg, fuel type: diesel, color: white, axle configuration: 1 axle, operation weight: 705 kg, empty load weight: 714 kg, fuel: diesel, emission class: euro5, tire condition: 100 %, Year of construction: 2026, operating hours: 5 h, Equipment: UVV, trailer coupling, New air compressor: - Yanmar 4-cylinder diesel engine, 35.5 kW / 48.28 HP – Stage V - 5 m³/min air flow at 7.5 bar - Plastic hood - 750 kg unbraked chassis - Fixed towing device - 40 mm DIN towing eye - Wheel chocks - Enclosed environmental tray - 13-pin plug - LED rear lights with EU road approval and CoC from the KBA Offer price plus delivery from factory to Eltmann: €399.00 Additional charges: 1x 750 kg unbraked chassis, height-adjustable towing device with 40 mm DIN towing eye: €225.00 1x 750 kg braked chassis, height-adjustable towing device with 40 mm DIN towing eye: €599.00 1x aftercooler with water separator: €650.00 1x aftercooler with water separator and 2-stage filter: €1,910.00 1x hose reel with 20 m 3/4-inch hose: €1,090.00 1x tool oiler: €150.00 1x toolbox: €165.00 1x ECOmizer fuel saving system: €985.00 1x included car coupling: €45.00 1x 6 kVA generator: €2,290.00 All prices in Euro, plus VAT, ex works Eltmann. Modifications, errors, and prior sale reserved. Podpfxsyzpiwo Alqogk

Condition: new, functionality: fully functional, fuel type: diesel, fuel tank capacity: 19 l, color: white, overall weight: 1,885 kg, operation weight: 1,885 kg, Year of construction: 2021, For sale: new BOBCAT E19 and BOBCAT S100 due to lack of use. The Bobcat E19 comes with 3 buckets and an optional breaker. Serious inquiries only! Pgsdpfeytcdqex Alqok

Condition: excellent (used), power: 55 kW (74.78 HP), fuel type: diesel, color: other, Year of construction: 2023, operating hours: 1,585 h, Equipment: air conditioning, = Additional options and accessories = - 3rd hydr. circuit - High Flow - Last compensator = Remarks = Drivetrain Internship / Tier: Stage V / Tier IV final 2-speed, Ride control, Air conditioning, Reversing camera, Air-suspended seat, Joystick control = More information = Year of manufacture: 2023 Empty weight: 4.898 kg Dimensions (LxBxH): 395 x 220 x 208 cm Steering: skid steer Make of engine: Bobcat Pgodpfxoy D D Sre Alqok CE mark: yes Technical condition: very good Visual appearance: very good

Condition: excellent (used), power: 50 kW (67.98 HP), fuel type: diesel, color: other, lifting height: 3,020 mm, Year of construction: 2021, operating hours: 2,227 h, = Additional options and accessories = - 3rd hydr. circuit - Blower = Remarks = Pgsdsy D D R Ispfx Alqek Drivetrain Internship / Tier: Stage IV / Tier IV final Condition CE type: CE Enclosed cabin with heating, SJC joystick control, new rubber tracks, Deluxe display = More information = Year of manufacture: 2021 Empty weight: 3.664 kg Dimensions (LxBxH): 337 x 173 x 198 cm Steering: skid steer Make of engine: Bobcat CE mark: yes Technical condition: very good Visual appearance: very good

Condition: used, power: 37 kW (50.31 HP), fuel type: diesel, overall weight: 2,436 kg, lifting power: 1.308 kg/m, tire size: 10 x 16.5, Year of construction: 2023, Equipment: additional headlights, cabin, standard shovel, Skid steer loader BOBCAT , type: S 450, year of construction 2022, operating weight: 2,436 kg, 4-cylinder BOBCAT diesel engine (type: EDM02 - 49.64 HP / 36.50 kW at 2,600 rpm), 2-SPEED , JOYSTICK CONTROL, SHOVEL (width: approx. 1,570 mm), QUICK CHANGER, ADDITIONAL HYDRAULIC, overloading height: 3.558 mm, tipping load: 1,308 kg, CPB, ROPS / FOPS, DOOR, FULL CABIN with sliding side windows, WORK SPOTLIGHT (front), lighting (rear), BOBCAT comfort seat, windshield wiper, heating / ventilation, retaining and transport eyes. Tires: BOBCAT all-terrain tires (10 x 16.5 NHS), transport dimensions: length: approx. 3,172 mm (without bucket approx. 2,502 mm), width: 1,570 mm (bucket), height: approx. 1,976 mm. Price is net export, plus VAT in Germany. ∗∗∗ FINANCING POSSIBLE / TRANSPORT AFFORDABLE (WORLDWIDE) / ON EXPORT ONLY THE NET PRICE IS TO BE PAID (!) ∗∗∗∗ © pb - - - - - - - - - - - - - - - - - - - - - - Skid steer loader BOBCAT , type: S 450, year 2022, weight: approx. 2.436 kg, 4 cylinder BOBCAT -Diesel engine (type: EDM02 - 49.64 HP / 36.50 kW at 2.600 rpm) - 2-SPEED , JOYSTICK STEERING, SHOVEL (width: approx. 1.570 mm), QUICK CHANGER, ADDITIONAL HYDRAULIC , overload height: 3.558 mm, tipping load: 1.308 kg, ROPS / FOPS, DOOR, FULL CABINE with adjustable side windows , WORKING FLOOTLIGHT (in front), lightings (behind), BOBCAT - comfort seat, windshield wiper, heating / ventilation, hold- and transporthooks. Tyres: BOBCAT ROUGH TERRAIN TYRES (10 x 16.5 NHS), Transport dimensions: length: approx. 3,172 mm (without shovel approx. 2,502 mm), width: 1,570 mm (shovel), height: approx. 1,976 mm. Price is net. ∗∗∗ EQUIPMENT IS FINANCEABLE in nearly all european countries / TRANSPORTATION WORLDWIDE at good conditions / EXPORT: ONLY THE NET-AMOUNT NEEDS TO BE PAID (!) ∗∗∗∗ © pb Pjdpfxsi Ir Dte Alqsgk

Condition: used, power: 37 kW (50.31 HP), fuel type: diesel, color: white, lifting power: 1.308 kg/m, tire size: 10 x 16.5 nhs, tire condition: 98 %, Year of construction: 2023, Equipment: additional headlights, head guard, standard shovel, BOBCAT skid steer loader, type: S 450, year of manufacture 2022, model year 2023, operating weight: 2,436 kg, 4-cylinder BOBCAT diesel engine (type: EDM02 - 49.64 hp / 36.50 kW at 2,600 rpm), - 2-SPEED, JOYSTICK CONTROL, SHOVEL (width: approx. 1,550 mm), QUICK CHANGER, ADDITIONAL HYDRAULIC, DUMP HEIGHT: 3.558 mm, tipping load: 1,308 kg, CPB, ROPS / FOPS, DOOR, FULL CABIN with sliding side windows, WORK SPOTLIGHT (front), lighting system (rear), BOBCAT comfort seat, windshield wiper, heating / ventilation, retaining and transport eyes. Tires: BOBCAT all-terrain tires (10 x 16.5 NHS) - approx. 98 % all-round. Transport dimensions: Length: approx. 3,172 mm (without bucket approx. 2,502 mm), width: 1,550 mm (bucket), height: approx. 1,976 mm. Price is net export, plus VAT in Germany. FINANCING POSSIBLE / TRANSPORT AFFORDABLE (WORLDWIDE) / ON EXPORT ONLY THE NET PRICE IS PAID (!) © pb - - - - - - - - - - - - - - - - - - - - - - - Skid steer loader BOBCAT, type: S 450, year 2022, modelyear 2023, weight: approx. 2.436 kg, 4 cylinder BOBCAT-Diesel engine (type: EDM02 - 49.64 HP / 36.50 kW at 2.600 rpm) - 2-SPEED, JOYSTICK STEERING, SHOVEL (width: approx. 1.550 mm), QUICK CHANGER, ADDITIONAL HYDRAULIC, overload height: 3.558 mm, tipping load: 1.308 kg, ROPS / FOPS, CLOSED DOOR, FULL CABINE with adjustable side windows, WORKING FLOOTLIGHT (in front), lightings (behind), BOBCAT - comfort seat, windshield wiper, heating / ventilation, hold- and transporthooks. Tyres: BOBCAT ROUGH TERRAIN TYRES (10 x 16.5 NHS) - all around approx. 98%. Transport dimensions: length: approx. 3,172 mm (without shovel approx. 2,502 mm), width: 1,570 mm (shovel), height: approx. 1,976 mm. Price is net. EQUIPMENT IS FINANCEABLE in nearly all european countries / TRANSPORTATION WORLDWIDE at good conditions / EXPORT: ONLY THE NET-AMOUNT NEEDS TO BE PAID (!) © pb Pgsdpfxji Iq Eyj Alqjk

Condition: used, Year of construction: 2024, operating hours: 47 h, Equipment: all wheel drive, soot filter, * Now available: Bobcat S 650 – Premium Specifications * We are pleased to offer you the Bobcat S 650 with excellent additional features. * Condition: Used * Availability: Immediately from stock ----Why choose Zirndorfer-Maschinenpark? * Official authorized dealer for Bobcat & Montabert * Family business with over 45 years of experience * In-house specialist workshop ensuring certified quality * Large selection of new and used machines Financing, leasing or hire purchase? No problem – our partner banks will find the right finance solution for you. Want to trade in your used machine? We are happy to accept your machine at fair market values. Attachments and accessories? Additional attachments and accessories are available upon request. Sales to EU or non-EU countries? We handle the entire export process for you. ----Special equipment of the machine * Cabin * Heater * Air conditioning * Joystick control * Reversing camera * Radio * Suspension fabric seat * 2-Speed (second travel speed) * Powerbobtach * Parallel lift Pgedpfx Ajy Ek I Ajlqek * Reversing fan * High-flow hydraulics * Full LED lighting * LED cabin roof lighting * HVO fuel ready * Bucket * Additional accessories available at extra cost ----Standard features of the machine * Double-acting auxiliary hydraulics * CE certification ----Rely on three generations of experience Zirndorfer-Maschinenpark e.K. – Your partner for construction equipment Contact us now to secure your personalized offer. ----Legal Notice The information provided online is for description purposes only and is non-binding. It does not constitute guaranteed characteristics. The seller assumes no liability for errors, omissions, or data transmission errors. Subject to prior sale and technical changes.

Condition: used, Year of construction: 2021, operating hours: 765 h, Rough Terrain Telescopic Handler (Telehandler) BOBCAT, Model: T 36.120 SLRC TURBO – 4x4x4, Initial operation: 2022. Lifting capacity: 3,600 kg, lifting height: 11.87 m. Equipped with long forks (fork length: 1,200 mm / width between forks: 930 mm), additional hydraulic circuit, load protection guard, quick coupler, and an overall height of approx. 2,390 mm. Powered by a 4-cylinder BOBCAT turbo diesel engine (model: DM03VA – 101.46 HP / 74.60 kW). Features include four-wheel drive and four-wheel steering (4x4x4) with crab steering, two hydraulic stabilizers, side-tilt adjuster, overload warning system, spacious operator cab with tinted safety glass, ROPS/FOPS, front windshield guard, roof protection grate, comfort seat, road lighting kit, work lights (front & rear), acoustic and visual warning devices, 5 exterior mirrors, 3 windshield wipers, heating/ventilation, and load securing/transport lashing points. Fitted with CAMSO off-road tires (405/70-20), all around approx. 95% tread. Transport dimensions: length approx. 6,800 mm (approx. 5,440 mm without forks), width approx. 2,300 mm, height approx. 2,390 mm. Financing available / Worldwide transport at competitive rates / For export, net price is payable only. Pjdpfx Aloy D Hw Deqogk

Condition: used, Year of construction: 2018, operating hours: 2,600 h, Equipment: air conditioning, compressed air brake, TL38.70 HF 0010 Bobcat Telehandler 0020 Michelin Tires - 4 pieces size 500/70R24 0030 Quick-attach mounting frame with hydraulic locking 0040 Air conditioning 0050 Boom suspension 0060 Forward/reverse control 0070 Lockable fuel cap 0080 LED work light package (3 mounted on the boom) Pgedpfx Aley Dwdhoqjk 0090 Dual-circuit air brake system including anti-freeze pump 0100 Hydraulic system modification with separate hydraulic pump 0110 Hose reel 0120 Separate joystick for operating the 2x double-acting connections 0130 Flow divider mounted on the mast 0140 Additional return filter 0150 Height-adjustable mounting console with automatic trailer coupling 0160 Door contact switch installed 0170 Lubrication line routed to the boom 0180 Radio including hands-free system

Condition: used, Year of construction: 2024, operating hours: 220 h, Equipment: all wheel drive, * Bobcat MT 100 Track Loader * Auxiliary hydraulics * 3-cylinder Kubota diesel engine!!! * Bob-Tach quick coupler * Bucket * Pallet forks available at extra cost Pgjdeynd D Iepfx Alqsk * Tree grab available at extra cost!!! * New UVV (accident prevention) inspection!!! * Newly serviced!!! * "Trade-in of your used machine possible." * All available Bobcat attachments can be sourced!!! * The information provided online is a non-binding description and does not constitute guaranteed characteristics. The seller is not liable for mistakes, input errors, or data transmission errors. Subject to change. Financing / leasing / hire purchase possible!

Condition: used, mileage: 139,600 km, power: 96 kW (130.52 HP), number of beds: 4, fuel type: diesel, gearing type: mechanical, first registration: 05/2008, total length: 6,990 mm, total width: 2,310 mm, total height: 2,750 mm, overall weight: 3,500 kg, Equipment: ABS, air conditioning, bathroom, Fiat 2.3 Multijet * Fixed rear bed * Rear garage compartment * Swivel captain’s chairs * Central seating group with side bench * Convertible to additional bed * L-shaped kitchen with sink and stove * Large refrigerator * Bathroom with separate shower * Flat-screen TV * Cruise control * Engine air conditioning * Awning * Heki roof light * Wardrobe * External storage compartment * Bicycle rack * Radio * ABS * Green emissions sticker * etc. * All-season tires from 2022 * 4 registered seats * General inspection (HU/AU) and gas inspection renewed prior to handover * 1-year warranty ----Well-maintained motorhome----We are happy to consider your motorhome, caravan, car, or vintage vehicle as trade-in.----If you have any questions, please contact our knowledgeable sales team. We are happy to advise you.----!!! FINANCING POSSIBLE EVEN WITHOUT DOWN PAYMENT !!!---- Opening Hours: * March–October * Mon–Fri: 8:00 am – 6:00 pm * Sat: 8:00 am – 2:00 pm Psdjykc Uqepfx Alqegk * November–February * Mon–Fri: 8:00 am – 5:00 pm * Sat: 8:00 am – 2:00 pm * Sun: Exhibition 11:00 am – 3:00 pm (except on public holidays) Closed on public holidays (NRW) ----All information about the vehicle is subject to change or error; despite careful processing, mistakes may occasionally occur. Only the specifications within the actual purchase contract are binding upon conclusion of sale. This vehicle description does not constitute an implicit part of the contract. Please contact us for details by phone or, preferably, during a viewing.

Condition: used, Year of construction: 2024, operating hours: 9 h, load capacity: 3,500 kg, lifting height: 4,820 mm, fuel type: diesel, mast type: triplex, construction height: 2,350 mm, power: 45 kW (61.18 HP), tire condition: 100 %, front tire size: 28-9 x15, rear tire size: 6.50x10, empty load weight: 4,850 kg, total length: 2,750 mm, color: other, maximum speed: 20 km/h, Attachments: Sideshift, Special equipment: 3rd valve, 4th valve, Rear working lights, Front working lights, Load protection grid, Full cabin, Full free lift, CE certificate, Interior mirror, Exterior mirror, Rotating beacon, Windscreen wiper, Pgsdpfsuk Nz Nex Alqok

Condition: used, Year of construction: 2021, operating hours: 1,877 h, = Additional options and accessories = - Hammer/shear hydraulics - Grading bucket - Quick coupler Pgjdpfx Asy Auk Nolqok - Standard digging bucket = Further information = Drive: crawler Unladen weight: 3,499 kg Please contact Geert Geuens for more information.

Condition: used, Year of construction: 2023, operating hours: 712 h, Ready for operation, including bucket and pallet forks Pgodpfsx Dp Rwox Alqsk

Condition: used, New: No Contact Geert Geuens for more information. Pgedpfsy Ary Ijx Alqjk

Condition: used, power: 17 kW (23.11 HP), fuel type: diesel, color: white, lifting power: 686 kg/m, tire size: 23 x 8.50 - 12, tire condition: 98 %, Year of construction: 2023, Equipment: additional headlights, cabin, head guard, standard shovel, Kompaktlader BOBCAT, Typ: S 70, Modell: 2023, Einsatzgewicht: 1.268 kg, 3- Zylinder KUBOTA-Diesel Motor (Typ: D1005 – ca. 23.39 PS / 17.20 kW bei 3.000 U/min), SCHAUFEL (Breite: ca. 1.100 mm) - SCHNELLWECHSLER, ZUSATZHYDRAULIK, Nutzlast: 318 kg, Kipplast: 686 kg, Überladehöhe: 2.399 mm, ARBEITSSCHEINWERFER (vorne/hinten), FAHRERKABINE, ROPS / FOPS, Komfortsitz, Halte- und Transportösen, Bereifung: BOBCAT GELÄNDE-REIFEN (23 x 8.50 - 12) – rundum ca. 98 %. Transportmaße: Länge: ca. 2.472 mm (ca. 1.925 mm ohne Schaufel), Breite: ca. 1.100 mm, Höhe: ca. 1.814 mm. ∗∗∗ FINANZIERUNG MÖGLICH / TRANSPORT GÜNSTIG (WELTWEIT) / BEI EXPORT IST NUR DER NETTO-PREIS ZU BEZAHLEN (!) ∗∗∗ © pb - - - - - - - - - - - - - - Skid steer loader BOBCAT, type: S 70, model: 2023, weight: approx. 1.268 kg, 3-cylinder KUBOTA-Diesel engine (type: D1005 – approx. 23.39 HP / 17.20 kW at 3.000 rpm), SHOVEL (width: approx. 1.100 mm) - QUICK CHANGER, payload: 318 kg, tipping load: 686 kg, overload height: 2.399 mm, WORKING FLOOTLIGHT (in front/behind), OPERATOR-CABINE, ROPS / FOPS, comfort seat, hold- and transport hooks. tyres: BOBCAT ROUGH-TERRAIN-TYRES (23 x 8.50 - 12) – all around approx. 98 %. Transport dimensions: see above. ∗∗∗ EQUIPMENT IS FINANCEABLE in nearly all european countries / TRANSPORTATION WORLDWIDE at good conditions / EXPORT: ONLY THE NET-AMOUNT NEEDS TO BE PAID (!) ∗∗∗ © pb Pgjdpfx Aljl D Rmfjqek

Condition: new, Year of construction: 2026, Now available: Bobcat E27 – Top Specifications We are pleased to offer you the Bobcat E27 with a premium package of special equipment. Condition: New Availability: Immediately from stock Why buy from Zirndorfer-Maschinenpark? - Official authorized dealer for Bobcat & Montabert - Family-run business with over 45 years of experience - In-house specialist workshop ensures certified quality - Large selection of new and used machines Financing, leasing, or hire purchase? No problem – through our partner banks, we’ll find the right solution for you. Interested in trading in a used machine? We are happy to accept your machine at fair terms. Attachments and accessories? We also offer additional attachments and compatible accessories upon request. Export to EU or non-EU countries? We handle the entire process for you. Pjdpfx Aoykm T Rolqjgk ----Special Equipment of the Machine: - Deluxe cab - Deluxe fabric seat - Mirrors - Radio - Free-flow return (for breaker) - Long arm - Load-holding valves - Double auxiliary hydraulics - LED work lights - Machine without attachments - MS03 quick coupler - Additional accessories available at extra cost ----Standard Equipment of the Machine: - Width: 1550 mm - Double-acting auxiliary hydraulics - Two travel speeds - CE certification ----Benefit from decades of experience: Zirndorfer-Maschinenpark e.K. – Your partner for construction machinery. Contact us today for your individual offer. ----Legal Notice All details provided online are non-binding descriptions and do not constitute guaranteed specifications. The seller is not liable for errors, input mistakes, or data transmission errors. Subject to prior sale and changes.

Condition: used, fuel type: diesel, color: white, Year of construction: 2008, operating hours: 2,214 h, Bobcat T190. Year: 2008. Operating hours: 2,214. Operating weight: 3,451 kg. Podpfsyknv Tex Alqjgk CE-certified machine. 48.5 kW. 2,700 RPM. Load capacity: 862 kg. Closed cab. Includes 1 set of forks. Undercarriage & pads: 80%. 3rd and 4th hydraulic functions. Engine: Kubota V2403. German machine! ID No.: 266. The General Terms and Conditions of Heinhuis apply to all advertisements, offers and quotations from Heinhuis, to all agreements entered into by Heinhuis, and to the negotiations preceding them. By responding in any way, you accept the applicability of the General Terms and Conditions of Heinhuis and declare that you are aware of these General Terms and Conditions. Our prices are net export prices. = Further information = Year of manufacture: 2008 Unladen weight: 3,451 kg Steering: Rigid CE certification: yes = Company information = For more information: WhatsApp:

Condition: used, Year of construction: 2022, operating hours: 377 h, Equipment: all wheel drive, soot filter, * Bobcat Telescopic Handler TL 25.60 * 20 km/h version * Deluxe seat * Hydraulic quick coupler * Air conditioning * Rotating beacon * Additional hydraulics * Michelin wide tires!!! * Service newly performed!!! * New safety inspection (UVV)!!! * Without attachments!!! Psdpfx Aljyl Tlvsqegk * Various attachments available on request for an additional charge * "Trade-in of your used machine possible" * The information provided online is non-binding descriptions. They do not represent guaranteed characteristics. The seller is not liable for errors, incorrect entries or data transmission errors / subject to change. Financing / leasing / hire purchase possible!

Condition: used, Year of construction: 2014, operating hours: 11,575 h, Equipment: air conditioning, = Additional options and accessories = - Quick coupler - Standard digging bucket = Notes = hydraulic tilting bucket Pgedpfx Aoyywicjlqsk = Further information = Drive: Crawler Unladen weight: 6,250 kg Contact Geert Geuens for more information.

Condition: used, Year of construction: 2021, operating hours: 2,249 h, - Blade Rubber tracks Pgedpfx Aoyygt Rjlqek More information Please contact Kurt Meurrens, ) for more information.

Condition: used, Year of construction: 2025, operating hours: 5 h, load capacity: 5,000 kg, lifting height: 17,400 mm, fuel type: diesel, construction height: 3,240 mm, tire condition: 50 %, front tire size: 445 x 65 x 19,5 Luft, rear tire size: 445 x 65 x 19,5 Luft, empty load weight: 15,900 kg, color: other, Special equipment: 3rd valve, heating, particle filter, full cab, air conditioning, CE certificate, Psdpfx Aloyydbfsqsgk

Condition: used, color: other, empty load weight: 1,902 kg, tire condition: 50 %, Year of construction: 2025, operating hours: 35 h, construction height: 2,300 mm, Attachment description: Warranty: 24 months, 2000 operating hours (whichever comes first), long dipper arm, two travel speeds, hydraulically retractable undercarriage 980-1360 mm, special equipment: 3rd circuit, 4th circuit, rear work light, front work light, heater, full cab, Pgedpjx Hkmnofx Alqek

Condition: used, color: other, empty load weight: 1,077 kg, tire condition: 50 %, Year of construction: 2026, operating hours: 7 h, construction height: 1,490 mm, Attachment description: Overall height with bracket: 2209 mm Pgedpeynbttjfx Alqsk