Used Liebherr Drilling Rig - Other for sale (362)

Condition: used, tire size: -, Year of construction: 1998, operating hours: 8,100 h, Equipment: cabin, ref: 240441 Reference: 240441 Type: Crawler excavator Make / Model: LIEBHERR R934 Year: 1998 Hours: 8100 - SW66 mechanical type attachment - 850mm backhoe bucket - 1550mm backhoe bucket Sale price excluding taxes. Delivery possible in addition to the sale price. More information and photos on our website! Cgslioun T Aljtnb Ijt Make an appointment so that we can receive you in the best conditions! Our company, specialized in the purchase and sale, also offers you the recovery of all types of professional equipment based on a rapid assessment followed by immediate payment. We will therefore have the pleasure of welcoming you to our new premises at 17 Route d?Eschau, 67400 ILLKIRCH-GRAFFENSTADEN With a fleet of equipment of more than 100,000 m2 south of Strasbourg and a fully equipped workshop, we have more than 350 references including construction equipment / handling / agricultural equipment / heavy goods vehicles / passenger vehicles / utility vehicles, a stock renewed every month. *Description subject to error* Weight: 30 tons Number of buckets: 2

Condition: used, color: red, emission class: euro6, Year of construction: 2020, first registration: 01/2020, next inspection (TÜV): 03/2022, Equipment: crane, Crane chassis: Engine exhaust emissions Stage V according to Regulation EU 2016/1628 - Basic machine Working equipment: LICCON programming for later retrofitting of the telescopic boom extension, LICCON programming for later retrofitting of the folding jib, special folding jib (K) 2.9 m, 2nd hoist, 2nd neck roll, 2nd hoist limit switch, 59.1 t hook block with 3 sheaves with double hooks, 26.1 t hook block with 1 sheave with single hook, 8.8 t load hook Additional crane chassis equipment: 900 mm crawler shoes, flat base pads Additional crane uppercarriage equipment: 6 t additional counterweight (for 32 t total counterweight), uppercarriage lighting package: 2 work lights on the boom end (electrically adjustable) and lights on the slewing platform (2 on the side and 2 on the rear), aircraft warning light switchable between continuous light and flashing light, engine-independent auxiliary heating in the Crane cab including timer, winch monitoring, and rearview camera with color monitor, jump-start facility for the upper carriage including cable, 12V socket in the crane cab. Operating hours (OW): 4138 hours (as of February 2025) Availability upon request. (The crane has since been labeled.) All cranes are available at short notice and can be inspected by appointment. Current inspection reports (HU, SP, UVV) are available. Hüffermann Krandienst GmbH: We trade, we rent, we repair. Roll-off trailers, roll-off tippers, refuse collection vehicles, mobile cranes, and work platforms... Contact us! Required financing? We would be happy to provide you with a non-binding financing offer. This offer is subject to change without notice, without warranty, and is subject to prior sale. A deposit of 10% of the purchase price is required for a reservation. No reservation or guarantee of availability exists until payment is received. The purchase is only finalized upon receipt of payment. The vehicle remains the property of Hüffermann Krandienst GmbH until full payment is received. Payments are accepted exclusively in euros at no additional cost to the seller and only by bank transfer or cash (max. 10,000.00 euros). No checks. ---- CRANE CONFIGRATION Cgolitnjwd Dfrjb Ist CRANE CARRIERCRANE SUPERSTRUCTURE: Engine exhaust emission level V according to regulation EU 2016/1628 - Basic machines Working equipment:* Programming of the LICCON for subsequent retrofitting of the telescoping boom extension * Programming of the LICCON for subsequent retrofitting of the swing-away jib * Special swing-away jib (K) 2.9 m * Second hoist * Second boom head top sheave * Second hoist limit switch * Hook block 59.1t with 3 sheaves with double hook * Hook block 26.1t with 1 sheave with single hook * Load hook 8.8t Additional equipment - Carrier:* Crawler plates 900 mm, flat base plates Additional equipment? Superstructure: Additional counterweight 6t (for total counterweight 32t) * Lighting package upper carriage: two working headlights at pivot section (electrically adjustable) and headlights at the revolving stage (2x lateral and 2x at the rear) * Flight warning light switchable between continuous light and flash light * Additional engine-independent heating in crane cabin incl. timer * Monitoring of the winches and reverse camera with color display * Installation for jump starting incl. cable - upper carriage * 12V socket in crane cabin operation hours upper carriage: 4138 h (dated as of 02.2025) Availability in consultation (In the meantime

Condition: used, Year of construction: 2009, Liebherr crane 160 HC-L 8/16 including remote control: Cgslitnbovx Ecce Iet 160 HC-L 8/16 height: 37.5 m, reach 55 m, serial no. 30349039 Year of manufacture: 2009 Incl. the following crane parts: 1 undercarriage cross 2 base ballast A 7.5 to 12 base ballast B 4.8 to 1 boom 611. 10.7m 1 boom 621 8m 2 booms 622 10.35m 1 boom 631 5.18m 1 boom 641 tip 1 base tower 12.42m 5 tower section 4.14m "Completely repaired, sandblasted and repainted! This crane has been completely overhauled and is in excellent condition. Old paint and rust layers were thoroughly removed by sandblasting before a high-quality new coat of paint was applied. Subject to changes, errors and advance sales! You can find more vehicles on our Sales are made exclusively in accordance with our terms and conditions - see Homepage Important note? Important information: Despite careful checking of all details in our offer, errors may creep in. These are sometimes caused by transmission errors in the systems of the various platform providers. We would therefore like to point out that all information is provided without guarantee and does not represent a legal claim. Legal: This sales advertisement does not represent an offer within the meaning of Section 145 of the German Civil Code (BGB). Rather, it is information for the initiation of a contract. The information provided here is without guarantee and therefore does not represent any guaranteed properties.

Condition: used, Year of construction: 2020, operating hours: 11,591 h, WhatsApp: _____ Liebherr L576 X Power/ZSA/HU: 12/2025/Joystick/ 5³ Bucket ? Manufacturer: Liebherr ? Type: L576xPower Cgslitnbowfbffo Ijt ? Year of manufacture: 2020 ? Joystick and steering wheel ? Operating hours: 11,591 hours ? Weight: 29,000 kg ? Performance: 20 km/h ? ZSA ? 5³ Bucket ? Includes headlight set ? 20 km/h road legal ? AdBlue ? HU: 12/2025 ? Auxiliary heating ? German machine ? Ready for immediate use _____ You can also have the description in another language by email ? Our service ? ? - Export declaration - customs registration - yellow temporary license plates - red customs license plates. ? - Purchase of your used construction machine or commercial vehicle ? - We help you with financing ? - We offer you transport solutions ? - Machine viewing and demonstrations from Monday to Friday, 9:00 a.m. to 5:00 p.m. (Saturdays by appointment only) ? ? Our machine pool is constantly evolving and is always up-to-date on our website. ? ? ? We are also happy to assist you by phone. ? ? Sanisa GmbH ? Otto Hahn Straße 13 ? 35510 Butzbach ? ? Tel: ? Mobile ? This offer is non-binding and subject to change. - Subject to prior sale. - Errors and/or typos not excluded. - Sales subject to our terms and conditions.

Condition: used, Functionality: fully functional, mileage: 182,790 km, power: 270 kW (367.10 HP), gearing type: automatic, fuel type: diesel, color: yellow, overall weight: 36,000 kg, lifting power: 55 kg/m, tire size: 445/95 r25, number of seats: 2, first registration: 03/2006, emission class: euro3, mast type: telescope, brakes: retarder, suspension: hydraulics, Year of construction: 2006, machine/vehicle number: W093735006EL05762, Equipment: ABS, UVV, all wheel drive, cabin, differential lock, onboard computer, parking heater, retarder, LOCATION: D - 73230 Kirchheim unter Teck -    Liebherr LTM 1055-3.1 | Serial No. 055 016 Lifting capacity: 55 t / 2.50 m / 75%     Year of manufacture: 2006 -  Telescopic boom: 10.2 - 40 m    Ballast: 7 t / 5 t (12 t)    Hook blocks: 3-sheave 30.2 t (DH), 1-sheave 13.3 t    Undercarriage engine: Liebherr D936 L A6 / 270 kW / 367 HP    Undercarriage operating hours (engine): to be announced    Uppercarriage operating hours (crane operation): 17,319 h    Transmission: ZF AS-Tronic    Cslowftm Isitnb Iogt Auxiliary brake: Telma Retarder    Drive/steering: 6 x 6 x 6 Tires: 16.00 R25 (445/95 R25) Bridgestone Mileage: 182,790 km Safety device: LICCON 1 Additional equipment: Additional heating in the crane cab, 12 V sockets in the driver's cab and crane cab, work lights (xenon) on the boom arm, aircraft warning light, reversing alarm, emergency shutdown. Good condition - further details upon request - available immediately.

Condition: used, Year of construction: 2015, operating hours: 9,290 h, * Liebherr R 946 LC * Year of manufacture: 2015 * Operating hours: 9,290 h * 200 kW Liebherr engine * Air conditioning / AC * Weight: 44,000 kg * Quick coupler * Hammer cable * Rear view camera Cgslitnswd Atnjb Iot Internal number: 25E028

Condition: used, tire size: -, Year of construction: 2016, operating hours: 11,006 h, Equipment: cabin, ref: 250073 Reference: 250073 Type: Crawler excavator Make / Model: LIEBHERR R926 LC Cgolitjv E Rwxenb Ijt Year: 2016 Hours: 11006 - Variable boom - Rear + side camera - Centralized lubrication - SW48 likufix attachment - Wiring and mast for TRIMBLE 3D GPS - 1 bucket Sale price excluding taxes. Delivery possible in addition to the sale price. More information and photos on our website! Make an appointment so that we can receive you in the best conditions! Our company, specialized in the purchase and sale, also offers you the recovery of all types of professional equipment based on a rapid assessment followed by immediate payment. We will therefore have the pleasure of welcoming you to our new premises at 17 Route d?Eschau, 67400 ILLKIRCH-GRAFFENSTADEN With a fleet of more than 100,000 m2 in the South of Strasbourg and a fully equipped workshop, we have more than 350 references including construction equipment / handling / agricultural equipment / heavy goods vehicles / passenger vehicles / utility vehicles, a stock renewed every month. *Description subject to error* Weight: 29 tonnes Type of boom: Variable boom Type of quick coupler: Hydraulic Number of buckets: 1

Condition: used, Year of construction: 2011, operating hours: 17,000 h, Equipment: ABS, Liebherr L 576 2plus2 Year of manufacture 2011 17,000 hours Scale Central lubrication system Air conditioning GERMAN MACHINE, first owner Weight approx. 27.5 tons Bucket approx. 4.5 cubic meters Tel: We are happy to take care of your financing or leasing. EU sale: net upon presentation of company documents and tax/VAT number. VAT deposit 2,000 € We speak English. We speak Srpsko-Hrvatski. Our services for you: - Customs license plates - Export documents and EUR1 - Worldwide transport - Accommodation options Celswfzqbeitnb Iegt - Transfer from Munich Airport or Passau train station Tel:

Condition: used, Year of construction: 1978, operating hours: 7,000 h,

Condition: used, Year of construction: 2007, operating hours: 10,600 h, Equipment: air conditioning, onboard computer, --AUCTION MACHINE-- ab-auction Used Liebherr wheel loader Manual tow bar 6 cylinders Reversible fan Tires: 620/75 R 26 Cgolsu Txyrsitnb Ist On-board computer Heating Cabin Air conditioning Joystick Steering wheel adjustment Air seat Radio Rotating beacon You can bid on these machines online. The starting price is €17,900 excl. VAT - Register for free and bid. Click here for the auction: ----- ----- Exciting Online Auction! Start bidding NOW! ab-auction

Condition: good (used), mileage: 62,395 km, Year of construction: 2015, Manufacturer: Liebherr Type: LTM 1050-3.1 Year of construction: 2015 Cgjlewfn E Seitnb Iet Capacity (t): 50 Main Boom: 38 m Jib: 16 m Kilometers: 62,395 km Crane Hrs.: 10,617 h Carriage Hrs.: 2,185 h 2nd Winch

Condition: used, Year of construction: 2002, operating hours: 12,403 h, * Adjustable boom * Hydraulic trenching bucket * Ready for immediate use Cgeliswd Dv Retnb Iot * Viewing by appointment only * Subject to errors and prior sale.

Condition: used, tire size: -, Year of construction: 2017, operating hours: 12,293 h, Equipment: cabin, ref: 240359 Reference: 240359 Type: Material handling shovel Make / Model: LIEBHERR LH50M Year: 2017 Hours: 12,293 Power: 155 Kw Weight: 46 T - Air conditioning - LIEBHERR GM70 grapple - MOZELT 13 kW generator - CE machine - Lifting cabin - Centralized lubrication - Straight boom 10.60m - Bent arm 8.00m - 16.00-25 pneumatic tire - Machine maintained by LIEBHERR dealer Sale price excluding taxes. Delivery possible in addition to the sale price. More information and photos on our website! Make an appointment so that we can receive you in the best conditions! Our company, specialized in buying and selling, also offers you the recovery of all types of professional equipment based on a rapid appraisal followed by immediate payment. We will therefore have the pleasure of welcoming you to our new premises at 17 Route d'Eschau, 67400 ILLKIRCH-GRAFFENSTADEN With a fleet of equipment of more than 100,000 m2 south of Strasbourg and a fully equipped workshop, we have more than 350 references including construction equipment / handling / agricultural equipment / heavy goods vehicles / passenger vehicles / utility vehicles, a stock renewed every month. *Description subject to error Cgjliev Dl Uvstnb Ijt Weight: 46 tons

Condition: used, mileage: 101,064 km, Year of construction: 2017, operating hours: 1 h, Intended use: Construction Drive: Wheel Unladen weight: 50,760 kg Lifting capacity: 70,000 kg Cgjliteut D I Nenb Ijt Serial number: 060 676 Front tire condition: 80 Condition of rear tires: 80 Transport dimensions (L x W x H): 12.51x2.75x3.9 Please contact Pfeifer Rentals & Sales B.V. for more information.

Condition: used, mileage: 50,000 km, power: 450 kW (611.83 HP), overall weight: 72,000 kg, fuel type: diesel, color: white, axle configuration: > 3 axles, brakes: retarder, gearing type: automatic, first registration: 08/2009, Equipment: ABS, crane, parking heater, UNDERCARRIAGE: Operating Mileage: 47,154 km / 2,542 hours Engine Manufacturer Type: Liebherr 450 kW Travel Transmission: ZF / SG / AS Tronic Crane Travelling from: Top & Bottom Intarder / Retarder / Telma TELMA Number of suspended axles: 6 / Yes - Levelmatic - Driven / steered 12x8x10 / 1, 2, 5, 6 Chassis Type / Width: 3 m Tire Size 445/95 R 25 Superstructure Auxiliary Heating Telescopic Boom / Boom 15.50 - 72.00 m 5 Maximum Lifting Capacity: 250 t CABLE WINCH OVERHAULD 1 / 105 kN - 23 mm Hook Block 80 t Celitsvm H S Ionb Iogt Operating Hours: 12,400 hours

Condition: used, tire size: -, Year of construction: 2010, operating hours: 8,017 h, Equipment: cabin, had accident, ref: 220366 Burned wheeled excavator Burned engine and hydraulic pump The excavator is sold complete, as is. No retail sale of parts Sale price excluding taxes. Delivery possible in addition to the sale price. More information and photos on our website! Make an appointment so that we can receive you in the best conditions! Our company, specialized in the purchase and sale, also offers you the recovery of all types of professional equipment based on a rapid assessment followed by immediate payment. We will therefore have the pleasure of welcoming you to our new premises at 17 Route d?Eschau, 67400 ILLKIRCH-GRAFFENSTADEN With a fleet of equipment of more than 100,000 m2 south of Strasbourg and a fully equipped workshop, we have more than 350 references including construction equipment / handling / agricultural equipment / heavy goods vehicles / passenger vehicles / utility vehicles, a stock renewed every month. *Description subject to error* Colisllx Tfjtnb Isgt

Condition: used, mileage: 145,832 km, Year of construction: 2011, operating hours: 12,551 h, Intended use: Construction Drive: Wheel Unladen weight: 37,720 kg Cjleut Hdasitnb Iegt Lifting capacity: 50,000 kg Serial number: 083504 Front tire condition: 70 Condition of rear tires: 70 Transport dimensions (L x W x H): 12.3x2.55x3.8 Please contact Pfeifer Rentals & Sales B.V. for more information.

Condition: used, Year of construction: 2014, operating hours: 15,659 h, Equipment: all wheel drive, Serial number: VATZ0461KZB035383 Cslitoiac Aponb Iegt Operating weight: 36,500 kg Windshield has a crack, right side window broken ----Air conditioning Radio Aanderaa scale with printer Shovel with cutting width 3,400 mm - volume 7 m³ Tires: 29.5 R 25 Changes, prior sale and errors are expressly reserved. The description serves to generally identify the vehicle and does not constitute a guarantee in the sense of sales law. The description according to the purchase contract is decisive. Our offer is generally without a new TÜV inspection. If a new TÜV inspection is desired, we would be happy to make you an offer from our partner workshops! The vehicle can be covered with advertising and/or labeled. Our general delivery and payment conditions apply.

Condition: used, power: 47 kW (63.90 HP), tire size: -, Year of construction: 2023, operating hours: 2 h, Equipment: cabin, ref: L506 LIEBHERR L506 COMPACT Year: 2023 Hours: 2 hours - NEW machine !!! - Hydraulic quick coupler - 4 in 1 bucket 0.8m3 - Pallet fork - Available immediately Celslnp Nxsitnb Iegt Sale price excluding taxes. Delivery possible in addition to the sale price. More information and photos on our website! Make an appointment so that we can receive you in the best conditions! Our company, specialized in the purchase and sale, also offers you the recovery of all types of professional equipment based on a rapid expertise followed by immediate payment. We will have the pleasure of welcoming you to our new premises at 17 Route d?Eschau, 67400 ILLKIRCH-GRAFFENSTADEN With a fleet of more than 100,000 m2 in the South of Strasbourg and a fully equipped workshop, we have more than 350 references including construction equipment / handling / agricultural equipment / heavy goods vehicles / passenger vehicles / utility vehicles, a stock renewed every month. Power: 64CV DIN Power: 47kW

Condition: used, tire size: -, Year of construction: 2016, operating hours: 5,874 h, Equipment: cabin, ref: 230876 Reference: 230876 Colijq D Ek Uetnb Isgt Type: Crawler excavator Make / Model: LIEBHERR R926 COMPACT Year: 2016 Hours: 5,870 hours - Air conditioning - Liebherr sw48 likufix attachment - Centralized lubrication - Diesel pump - Adjustable cleaning - Trenching - Earthworks - Welded reinforcement on balance Sale price excluding taxes. Delivery possible in addition to the sale price. More information and photos on our website! Make an appointment so that we can receive you in the best conditions! Our company, specialized in the purchase and sale, also offers the recovery of all types of professional equipment based on a rapid assessment followed by immediate payment. We will therefore have the pleasure of welcoming you to our new premises at 17 Route d?Eschau, 67400 ILLKIRCH-GRAFFENSTADEN With a fleet of equipment of more than 100,000 m2 south of Strasbourg and a fully equipped workshop, we have more than 350 references including construction equipment / handling / agricultural equipment / heavy goods vehicles / passenger vehicles / utility vehicles, a stock renewed every month. *Description subject to error Weight: 26 tons

Condition: used, tire size: -, Year of construction: 2016, operating hours: 2,200 h, Equipment: cabin, had accident, ref: 230730 Crawler loader on fire The engine is affected by the fire only on the upper part The chain drive and the bucket are in very good condition! Only 2,200 hours ---- Disaster circumstances ----- Cabin fire ----- Main damaged elements ----- - Cabin - Upper part of the engine affected by the fire Sale price excluding taxes. Delivery possible in addition to the sale price. More information and photos on our website! Cgslitnbjqfgruj Iet Make an appointment so that we can receive you in the best conditions! Our company, specialized in the purchase and sale, also offers you the recovery of all types of professional equipment based on a rapid assessment followed by immediate payment. We will therefore have the pleasure of welcoming you to our new premises at 17 Route d?Eschau, 67400 ILLKIRCH-GRAFFENSTADEN With a fleet of equipment of more than 100,000 m2 south of Strasbourg and a fully equipped workshop, we have more than 350 references including construction equipment / handling / agricultural equipment / heavy goods vehicles / passenger vehicles / utility vehicles, a stock renewed every month. *Description subject to error

Condition: used, tire size: -, Year of construction: 2008, operating hours: 15,125 h, Equipment: cabin, ref: 240083 Reference: 240083 Type: Wheel loader Make / Model: LIEBHERR L580 Year: 2008 Hours: 15,125 - HONORE filtration - Centralized lubrication - GOODYEAR 26.5R25 RT-50 tires Sale price excluding taxes. Delivery possible in addition to the sale price. Cgjlitnorpnz Tsb Iet More information and photos on our website! Make an appointment so that we can receive you in the best conditions! Our company, specialized in buying and selling, has a fleet of equipment of more than 100,000 m2 south of Strasbourg. We have more than 350 pieces of equipment including construction machinery / handling / agricultural equipment / heavy goods vehicles / passenger vehicles / light commercial vehicles, a stock renewed every month. We will therefore have the pleasure of welcoming you to our premises at 17 Route d?Eschau, 67400 ILLKIRCH-GRAFFENSTADEN *Description subject to error

Condition: used, tire size: -, Year of construction: 2019, operating hours: 3,572 h, Equipment: cabin, ref: 230207 LIEBHERR R930 LC G8 Year: 2019 Hours: 3,572 hours - Monobloc boom 6.20m - 2.80m stick - Centralized lubrication - Transport width 3.20m - LIEBHERR SW66 LIKUFIX quick coupler - Sold with 1 bucket - All hydraulic lines - Maintained by LIEBHERR under contract - Very clean machine Sale price excluding taxes. Delivery possible in addition to the sale price. More information and photos on our website! Make an appointment so that we can receive you in the best conditions! Cslitnbollx S Es Ijgt Our company, specialized in the purchase and sale, also offers the recovery of all types of professional equipment based on a rapid assessment followed by immediate payment. We will therefore have the pleasure of welcoming you to our new premises at 17 Route d?Eschau, 67400 ILLKIRCH-GRAFFENSTADEN With a fleet of equipment of more than 100,000 m2 south of Strasbourg and a fully equipped workshop, we have more than 350 references including construction equipment / handling / agricultural equipment / heavy goods vehicles / passenger vehicles / utility vehicles, a stock renewed every month. Weight: 32 tons

Condition: used, tire size: -, Year of construction: 2020, operating hours: 2,969 h, Equipment: cabin, ref: 230042 LIEBHERR R930 LC G8 Year: 2020 Hours: 2,969 hours - Monobloc boom 6.20m - 2.80m stick Celitnjlq H Aleb Isgt - Centralized lubrication blade - Transport width 3.20m - VERACHTERT CW45S quick coupler - sold with 3 buckets (1000/1650/2000 tilting) - All hydraulic lines - Maintained by LIEBHERR under contract - Very clean machine Sale price excluding taxes. Delivery possible in addition to the sale price. More information and photos on our website! Make an appointment so that we can receive you in the best conditions! Our company, specialized in buying and selling, also offers you the recovery of all types of professional equipment based on a quick appraisal followed by immediate payment. We will therefore have the pleasure of welcoming you to our new premises at 17 Route d'Eschau, 67400 ILLKIRCH-GRAFFENSTADEN With a fleet of equipment of more than 100,000 m2 south of Strasbourg and a fully equipped workshop, we have more than 350 references including construction equipment / handling / agricultural equipment / heavy goods vehicles / passenger vehicles / utility vehicles, a stock renewed every month.

Condition: used, tire size: -, Year of construction: 2014, operating hours: 9,370 h, Equipment: air conditioning, cabin, ref: 230346 LIEBHERR R946 LC Year: 2014 Hours: 9,370 hours - Cab protection grid - MP line - Monobloc boom - Camera - Centralized lubrication - 1800 bucket - Transport width 3.20m Sale price excluding taxes. Delivery possible in addition to the sale price. More information and photos on our website! Make an appointment so that we can receive you in the best conditions! Our company, specialized in the purchase and sale, also offers you the recovery of all types of professional equipment based on a rapid assessment followed by immediate payment. We will therefore have the pleasure of welcoming you to our new premises at 17 Route d?Eschau, 67400 ILLKIRCH-GRAFFENSTADEN With a fleet of more than 100,000 m2 south of Strasbourg and a fully equipped workshop, we have more than 350 references including construction equipment / handling / agricultural equipment / heavy goods vehicles / passenger vehicles / utility vehicles, a stock renewed every month. Colijl Tqtbotnb Ijgt *Description subject to error Weight: 38 tonnes Quick coupler type: Hydraulic Number of buckets: 1 Air conditioning Suspension seat