Used Special Boom for sale (11,103)

Condition: used, Year of construction: 2006, operating hours: 5,449 h, machine/vehicle number: 0010, overall weight: 14,200 kg, enginetype: Diesel, manufacturer: HAB Hodpfx Aozca Sdjbhep

Condition: used, Year of construction: 2011, operating hours: 922 h, machine/vehicle number: 2824, overall weight: 6,530 kg, enginetype: Electric, manufacturer: Genie Hjdpezca Raofx Abhsp

Condition: used, Year of construction: 2011, operating hours: 875 h, machine/vehicle number: 2641, overall weight: 6,598 kg, enginetype: Electric, manufacturer: Genie Hodpszca Nvjfx Abhop

Condition: used, Year of construction: 2015, operating hours: 1,702 h, machine/vehicle number: 9838, overall weight: 14,660 kg, enginetype: Electric, manufacturer: Niftylift Hedpfx Aozca H Isbhop

Condition: used, Year of construction: 2011, operating hours: 915 h, machine/vehicle number: 9284, overall weight: 5,214 kg, enginetype: Electric, manufacturer: Genie Hodozca Hzjpfx Abhsp

Condition: used, Year of construction: 2011, operating hours: 940 h, machine/vehicle number: 9276, overall weight: 5,215 kg, enginetype: Electric, manufacturer: Genie Hsdpfxezca Huo Abhjp

Condition: used, Year of construction: 2011, operating hours: 1,026 h, machine/vehicle number: 9112, overall weight: 5,215 kg, enginetype: Electric, manufacturer: Genie Hsdpfx Aozca Hhsbhop

Condition: used, Year of construction: 2009, operating hours: 1,709 h, machine/vehicle number: 8912, overall weight: 7,174 kg, enginetype: Electric, manufacturer: Genie Hsdszca Hbopfx Abhjp

Condition: used, mileage: 6,659 km, power: 355 kW (482.67 HP), first registration: 02/2024, fuel type: diesel, overall weight: 26,000 kg, axle configuration: 3 axles, next inspection (TÜV): 02/2025, brakes: retarder, color: white, gearing type: automatic, emission class: euro6, Year of construction: 2023, Equipment: ABS, air conditioning, navigation system, soot filter, STANDARD SPECIFICATION Mechanical cab suspension Adaptive Cruise Control with FCW and AEBS-3 Lane Departure Warning System Goodyear RR, not applicable Euro 6 emission class TraXon automated transmission, 12 gears Standard component layout Left-hand fuel tank DAF Connect Powertrain Plus Warranty - 3 years - 300,000 km Options Rear power take-off switch, version 2 Sleeper High Cab Front chassis version: no floor plate Exterior sun visor Signal horns, 1 set LED headlights and fog lights LED skylights Two LED headlights for rear cab wall Rear window: double-glazed No front mirror DAF Corner View Rear view camera, prepared Central locking, 3 keys, 2 remote controls Adjustable Short roof spoiler, Sleeper High Cab Roof spoiler color: Crystal White Leather steering wheel Dashboard finish: Plateau Cab interior trim: Argenta Door trim: Loosely woven fabric Driver's seat: Super Air Armrests on both sides of the driver's seat Passenger seat: Cinema andamp, table, fabric cover Refrigerator and drawer Extra Comfort mattress for lower bunk Upper bunk Protective net on both bunks Curtains with divider Automatic cab climate control Roof hatch with electric operation Accessory power supply: Standard 2x 40 A ECAS remote control with extended functions FMS connector, extended and prepared Toll preparation Digital tachograph, VDO 1C, version G2V2 Speed limit setting: 90 km/h Tachograph calibration DAF Infot. Exclusive pre-installed, luxury speakers Antennas: DAB-prepared, radio, 2x mobile antennas. GNSS Extra: CB Wireless Charger Rear View Alarm Turn Assist Ready Front: 8.00 t, Parabolic, 165 N Rear Axle 2, 8000 kg, Load Index 156 Axle Load Monitoring Leaf Spring Suspension, Front: Medium Hsdpfxsui Dycs Abhep Front Axle(s): 385/65R22.5 Driven Rear Axle(s): 315/80 R22.5 2nd Driven Rear/Trailing Axle: 385/65R22.5 F1,385/65R22.5GO KMAXS2 160/000 K Steering BBA R1,315/80R22.5GO KMAXD2 156/150 L Traction DCA R2,385/65R22.5GO KMAXS2 160/000 K Steering BBA MX-13 engine, 355 kW/483 hp Cab emblem: 480 ECO performance No automatic idle shutdown Traction assist 15.0 t Rear axle ratio 2.64 Mechanical differential lock ZF Intarder Wheelbase 4.80 m / rear overhang 2.70 m Longitudinal member 310/7.0 mm, with internal adjustment front/rear Exhaust pipe right EAS unit right, horizontal 75 l exhaust tank left 620 l aluminum fuel tank left, height 620 mm Prepared for rear work lights Cross member D137 Rockinger coupling D130 Electrical connection for trailers, 24 V/15-pin Analog body signals and warnings Chassis with analog connection for engine speed control ECAS control CAN J1939 functions in the body connector Application connector product-market combination Application connector for the BB remote control Side marker lights Body mounting method BAM 1, console type B PTO engine rear, 1 o'clock, control without clutch, pump drive 130 A generator, 2 x 210 Ah AGM batteries Battery energy monitoring Dust shield Construction: S 21 with 210 mm frame, 50 mm support blocks (always specify when ordering) Additional container centering in the rear area, without support Hole pattern in the subframe for screw mounting (50 x 50 x 15) Screw-on underrun protection R58.03, hydraulically folds out 850 mm to the rear, final paint finish RAL 7021, including sensor and safety circuit, additional hydraulic section, 2 x 12 mm hydraulic lines to the rear

Condition: used, Year of construction: 2012, operating hours: 5,951 h, Empty weight: 1 kg Mast: articulated arm Please contact Emal Jaweed for more information Hedpfszac U Nsx Abhjp

Condition: used, mileage: 4,63,530 km, power: 235 kW (319.51 HP), first registration: 04/2012, fuel type: diesel, empty load weight: 6,350 kg, maximum load weight: 11,650 kg, overall weight: 18,000 kg, axle configuration: 4x2, wheelbase: 3,600 mm, brakes: engine braking, color: blue, driver cabin: day cab, gearing type: automatic, emission class: euro5, suspension: steel-air, number of seats: 2, Equipment: ABS, cabin, cruise control, differential lock, electronic stability program (ESP), immobilizer system, onboard computer, power assisted steering, soot filter, traction control, * German vehicle * Second-hand * Only 465,530 km on the odometer * Condition: See photos Hjdpfx Aozhn Nyjbhsp * Short cab with 2 seats * Differential lock * Cruise control * Automatic transmission * Leaf/air suspension + raise/lower function * Cab rear wall with window * Driver's seat comfort, air-suspended * Sunroof * Electric windows * Immobilizer * Electrically adjustable and heated mirrors * ABS/ASR/ESP * Hill start assist * Switch for lift axle * Radio CD * GVWR 18,000 kg - technically possible 20,500 kg * Unladen weight 6,350 kg * Payload 11,650 kg - technically possible 14,150 kg If a new TÜV inspection is desired, we will gladly provide you with a quote from our partner workshops. Our offer generally does NOT include a new TÜV inspection, a new DGUV, a new SP, or a new UVV. You can find more trucks on our website under: We speak the following languages: German, English, Polish, Turkish Note: We strongly recommend and offer an inspection and examination of the goods so that the buyer does not have any false impressions about the condition and suitability. Inspections and examinations are possible at any time by appointment and are expressly desired. All information is provided without warranty. We are not liable for errors and incorrect information in the offer. The buyer is obliged to independently verify the condition and equipment of the goods/vehicles. Subject to change, prior sale and errors.

Condition: new, New unit MASS International NS3 Speciale Angle conveyor with separator available for short-term delivery Example as shown in the picture: L-shaped conveyor with double roller separator Infeed section 600 mm Inclined section 1300 mm Usable width 450 mm Overall width 505 mm (without motor) Height-adjustable discharge height 750 - 1050 mm Adjustable angle in the infeed section and in the incline PU belt, black, with studs Stud height 20 mm Stud spacing 500 mm Belt speed 3 m/min Mobile on steerable castors Lateral collection plates in the infeed section Hodpfx Abjd Tidxjhop Also available as an option: angle conveyor with Super Grip belt and separator (see the last two photos) Double roller separator with covered belt drive equipped with Super Grip adjustable discharge chute

Condition: new, empty load weight: 1 kg, maximum load weight: 17,999 kg, overall weight: 18,000 kg, tire size: 385/55 22,5, tire condition: 100 %, axle configuration: 2 axles, color: black, driver cabin: day cab, emission class: none, suspension: air, front tire size: 385/55 22,5, rear tire size: 385/55 22,5, Equipment: ABS, Vehicle number for inquiries: 41556 Krone, ZZW 18 * Year of manufacture: New vehicle * ABS, Anti-lock Braking System * EBS, Electronic Braking System * Air suspension * Tandem trailer * 7.45 * 7.82 * Automatic air coupling * 15-pin connecting plug * Lifting and lowering device * Rear support * Other * Suspension: Air * Gross vehicle weight: 18,000 kg * Unladen weight: 1 kg * Payload: 17,999 kg * Permissible gross vehicle weight: 18,000 kg * Axle manufacturer: BPW * Tire condition 1st axle: 100% – 100% - Tire size: 385/55 R22.5 * Tire condition 2nd axle: 100% – 100% - Tire size: 385/55 R22.5 * Tire sizes: 385/55 R22.5 * Lowering height: 1320mm * Tire manufacturer: PIRELLI * Length-adjustable drawbar * Additional release valve, blue switch Disclaimer: Subject to changes, prior sale, and errors More photos and videos can be found on our website. Our extensive service includes, for example: * Purchase / sale / rental of commercial vehicles * Fast and straightforward financing * Application for all (export) documents Hodpfszhrl Sex Abhop * Ordering of export license plates / customs license plates * Vehicle preparation: new tarpaulins, lettering, painting etc. * Professional loading / cargo securing * Technical inspections, registration service * Transport of commercial vehicles Please contact our trained specialists; we will be happy to advise you.

Condition: new, empty load weight: 1 kg, maximum load weight: 17,999 kg, overall weight: 18,000 kg, tire size: 385/55 22,5, tire condition: 100 %, axle configuration: 2 axles, color: black, driver cabin: day cab, emission class: none, suspension: air, front tire size: 385/55 22,5, rear tire size: 385/55 22,5, Equipment: ABS, Vehicle number for inquiries: 41557 Krone, ZZW 18 * Year of manufacture: New vehicle Hodozhrmcepfx Abhjp * ABS, Anti-lock Braking System * EBS, electronic braking system * Air suspension * Tandem trailer * 7.45 * 7.82 * Duomatic air coupling * 15-pin connector * Lifting and lowering device * Rear supports * Other * Suspension: Air * Gross vehicle weight: 18,000 kg * Unladen weight: 1 kg * Payload: 17,999 kg * Permissible total weight: 18,000 kg * Axle manufacturer: BPW * Tire condition 1st axle: 100% – 100% - Tire size: 385/55 R22.5 * Tire condition 2nd axle: 100% – 100% - Tire size: 385/55 R22.5 * Tire sizes: 385/55 R22.5 * Parking height: 1320mm * Tire manufacturer: PIRELLI * Length-adjustable drawbar * Additional release valve, blue switch Disclaimer: Subject to changes, prior sale, and errors. You can find more photos and videos on our website. Our comprehensive service includes, for example: * Purchase/sale/rental of commercial vehicles * Fast and straightforward financing * Application for all (export) documents * Ordering of export license plates/customs license plates * Vehicle preparation: new tarpaulins, lettering, painting, etc. * Professional loading/load securing * TÜV inspections, registration service * Transport of commercial vehicles Please contact our trained specialists; we will be happy to advise you.

Condition: used, mileage: 7,44,575 km, power: 390 kW (530.25 HP), first registration: 03/2019, fuel type: diesel, axle configuration: 2 axles, brakes: retarder, color: black, gearing type: automatic, emission class: euro6, Equipment: ABS, air conditioning, parking heater, Leasing or hire purchase possible, subject to credit check. We will gladly provide you with an offer, even if you are starting a new business. ! Vehicle has been regularly maintained at DAF according to the manufacturer's specifications! XF 530 FT SSC 90th Anniversary Edition (86 of 250) Engine, Transmission: * Engine MX-13, 390 kW, 12902 ccm, Euro 6c * Transmission Traxon 12 TX 2620, automatic Assistance Systems: * Retarder/Intarder * Hill Holder (start assist) * Differential lock * Predictive cruise control * Lane assist * Distance control AEBS * FCW, ACC * Rear warning system * Axle load monitoring * Tire pressure monitoring Hedpsy Tf Rnofx Abhsp * TC Chassis, Components: * Wheel arrangement 4 x 2 * Leaf/air suspension * 2 x aluminum tanks 845 + 340 liters * AdBlue tank 90 liters * Wheelbase 3800 * Side deflectors Tires: * Size 385/55 (condition see photos) * Aluminum rims Body: * Fifth wheel coupling Jost Cab: * Super Space Cab * Skylights * DAF Night Lock * Automatic climate control * Auxiliary heater * Auxiliary air conditioning * Mirrors, electric and heated * Electric windows * Driver's seat in leather, air-suspended, heated, ventilated * Co-driver's seat in leather, air-suspended * 2 bunks * Cooler box * Central locking with remote control * Sun visor * NS * Touchscreen * DAB, Bluetooth Vehicle No.: 6914 For sale only to businesses or for export. Prices are net plus VAT or for export. Information without guarantee. PARLIAMO ITALIANO, GOWORIM PO RUSSKI, DOMLUVIME SE CESKY, WE SPEAK ENGLISH

Condition: used, functionality: fully functional, power: 330 kW (448.67 HP), Year of construction: 1995, operating hours: 12,200 h, Equipment: cabin, Caterpillar 350L demolition excavator with demolition arm. Hedpfx Aozgu Dhjbhep Year of manufacture: 1995 Operating hours: 12,200 h SEKA air filtration system CW40 quick coupler Adjustable undercarriage

Condition: excellent (used), Year of construction: 2010, 1" image sensor, 6.6 megapixels, CMOS Double telecentric lens Z-axis travel distance 30 mm Z-stage maximum load 3 kg Hjdpfxozb R Ims Abhjp

Condition: used, mileage: 14,512 km, power: 250 kW (339.91 HP), first registration: 11/2015, fuel type: diesel, overall weight: 17,500 kg, axle configuration: 2 axles, brakes: retarder, color: orange, gearing type: automatic, emission class: euro5, total length: 7,260 mm, total width: 2,500 mm, total height: 3,260 mm, Year of construction: 2015, Equipment: ABS, air conditioning, all wheel drive, compressor, electronic stability program (ESP), had accident, soot filter, MAN TGM 18.340 4x4 automatic, 250 kW/340 hp, with selectable all-wheel drive and locking differentials in the front and rear axles - GIMAEX TLF 4000 fire engine. Chassis equipment: * R134A air conditioning with automatic temperature control * Single tires 395/85 R 20 on split-rim wheel 10.00 x 20 * 4x4 all-wheel drive - front axle selectable * Differential lock in the front axle with buzzer * Differential lock in the rear axle * Wading depth up to 650 mm * Wheelbase 3600 mm * Rear overhang 1775 mm * 12-speed automatic transmission ZF 12 AS 1210 OD MAN TipMatic (ZF 5 HP 592C i=3.43-0.83) with retarder * Auxiliary drive with flange on the right * Transmission software for off-road use (Tipmatic OFFROAD) * Suspension: leaf spring/leaf spring * Permissible total weight 18 t, rear suspension: parabolic spring 11.5 t * Hydraulic power steering * Axle ratio i=6.00 * Oil pan for climbing ability up to 30% * Comfort electrical package for the cab * Painted front bumper * Engine brake with additional actuation via the brake pedal * Rear crossmember for trailer coupling * Quick start system for special vehicles * Multifunction display in the cab * Cab rear wall without window * Heated and electrically adjustable rearview mirrors * Wide-angle mirrors on the left and right, heated and electrically adjustable * Curb mirror on the right, heated and electrically adjustable * Blind spot camera on the right * Additional long-range and fog lights * MAN CD 24V radio * MAN Tronic * Cruise control Hodpfx Abozgp H Djhop * Electrically operated door window lifts for driver and passenger * Central locking * Passenger comfort seat for 2 people (individual seats) * Driver comfort seat with air suspension, lumbar support, shoulder adjustment, and heating * ABS * Drum brakes front and rear * Parking brake on the front axle * MAN BrakeMatic * Steering wheel adjustable in height and inclination Superstructure: * GIMAEX TLF 4000 * Superstructure: modular "AluPrime" construction with roller shutter system, divided into a front equipment compartment module, a water/foam agent tank, and a rear pump module * Fire extinguishing agent supply: * 5000 liters of water * 200 liters of Class A foam * 300 liters of Class B foam * Firefighting equipment: One Seven System: OS C3-111 * Roof monitor: Rockett GF 5 RF mounted on ALCO extension * Built-in pump: Gimaex FPN 10-2000 EN 1028-1 * Operation via CAN bus control * Quick-attack hose reel: S25/50m Ready-to-use vehicle with accident damage, see pictures, cab only slightly damaged on the roof (roof panel is screwed on and can be replaced), engine/axles/transmission not damaged, vehicle starts and runs normally! Fixed price! Errors and changes excepted!

Condition: used, Year of construction: 2010, operating hours: 930 h, load capacity: 227 kg, Empty weight: 6.940 kg GVW: 7.167 kg Dimensions (LxBxH): 549 x 122 x 201 cm Mast: articulated arm Hodpfxjzf I E Aj Abhjp Working height: 1.100 cm

Condition: used, Year of construction: 2015, operating hours: 3,740 h, mast type: telescopic, fuel type: diesel, color: other, Equipment: all wheel drive, GVW: 13.320 kg Dimensions (LxBxH): 1040 x 247 x 270 cm Make of engine: Kubota Lifting capacity: 230 kg Working height: 2.250 cm Maximum reach: 1.830 cm CE mark: yes Haulotte HT23RTJ PRO Hsdpfx Aey U Hi Uebhop Year of construction: 2015 Hours: Unknown Engine: Kubota Diesel Working height: 22.5m Horizontal reach: 18.3m Capacity: 230kg Weight: 13.320kg 4x4x4 - Generator

Condition: good (used), Year of construction: 2011, fuel type: electric, Weights Empty weight: 2.900 kg Functional Mast: articulated arm Lifting capacity: 215 kg Working height: 1.200 cm CE mark: yes Condition Technical condition: good Visual appearance: good Other information Delivery terms: EXW Max. horizontal reach: 600 m Production country: BE Additional information Please contact Christian Theißen for more information Manufacturer: Sky High Model: ST120 Year of build: 2011 Condition: Used Data: Max. working height: 12,00 m Max. platform height: 10,00 m Max. reach: 6,00 m Hodpfjzcxizjx Abhep Drive type: Battery Total dimensions LxWxH: 4,75 x 1,50 x 2,40 m (1,85 m) Platform dimensions LxW: 1,10 x 0,65 m Max. basket load: 215 kg Swivel range: 2x 359° endless Empty weight: 2.900 kg Special features: Very narrow and short stage, usable on solid and even ground indoors or outdoors.

Condition: used, mileage: 24,320 km, power: 169 kW (229.78 HP), first registration: 08/1994, fuel type: diesel, overall weight: 17,000 kg, axle configuration: 2 axles, color: red, gearing type: automatic, emission class: euro6, Year of construction: 1992, Equipment: air conditioning, all wheel drive, crane, Int. No.: 182 Very well-maintained, former fire department vehicle, MAN 4x4 with crane * MAN Hedpfx Abezgqb Ashsp * 4x4 wheel configuration * Fire department equipment truck * Permissible weight 17,000 kg * WINCH TRUCK * TOWING HOOKS * LIGHT MAST * CRANE Palfinger PK 8000 * Hydraulic main boom + 2x manual (additional manual extensions available at extra cost) * Support legs * WINCH CRANE * Reach, see load chart * Suspension: leaf spring/leaf spring * Differential locks * Central locking * 3-seater * Radio * Registered as a special vehicle * Therefore, it has a green environmental badge * Tires approximately 90% tread * 1st owner * Inspection book complete * Ready for inspection!!! Trade-in possible Financing available from 4.99% Errors and prior sale excepted! The information in this advertisement is a non-binding description and does not constitute guaranteed characteristics. The seller assumes no liability for typographical and data transmission errors. The listed equipment must be checked separately. All information in the advertisements is non-binding! Delivery throughout Germany available upon request Opening hours: Monday to Thursday from 9:00 a.m. to 5:00 p.m. Friday from 9:00 a.m. to 2:00 p.m. and by appointment!!!

Condition: new, empty load weight: 1 kg, maximum load weight: 17,999 kg, overall weight: 18,000 kg, tire size: 385/55 22,5, tire condition: 100 %, axle configuration: 2 axles, color: black, driver cabin: day cab, emission class: none, suspension: air, front tire size: 385/55 22,5, rear tire size: 385/55 22,5, Equipment: ABS, Vehicle number for inquiries: 41513 Krone, ZZW 18 * Year of manufacture: New vehicle * ABS, Anti-lock Braking System * EBS, Electronic Braking System * Air suspension * Tandem trailer * 7.45 * 7.82 * Automatic air coupling (Duomatik) * 15-pin connector * Lifting and lowering mechanism * Rear support * Other * Suspension: Air * Gross Vehicle Weight (GVW): 18,000 kg * Tare weight: 1 kg * Payload: 17,999 kg * Permissible GVW: 18,000 kg * Axle manufacturer: BPW * Tire condition, 1st axle: 100% -- 100% - Tire size: 385/55 R22.5 * Tire condition, 2nd axle: 100% -- 100% - Tire size: 385/55 R22.5 * Tire size: 385/55 R22.5 Hodpszhfwuofx Abhjp * Parking height: 1320 mm * Tire manufacturer: PIRELLI * Length-adjustable drawbar * Additional release valve, blue switch Disclaimer: Subject to changes, prior sale, and errors. You can find more pictures and videos on our website. Our extensive service includes, for example: * Purchase / sale / rental of commercial vehicles * Quick and easy financing options * Application for all (export) documents * Ordering export license plates * Vehicle preparation: new tarpaulins, lettering, painting, etc. * Professional loading / cargo securing * Technical inspections (TÜV), registration service * Transfer of commercial vehicles Please contact our trained specialists; we will be happy to advise you.

Condition: new, empty load weight: 1 kg, maximum load weight: 17,999 kg, overall weight: 18,000 kg, tire size: 445/45 19,5, tire condition: 100 %, axle configuration: 2 axles, color: black, driver cabin: day cab, emission class: none, suspension: air, front tire size: 445/45 19,5, rear tire size: 445/45 19,5, Equipment: ABS, Reference number for inquiries: 40470 Krone, AZW 18 * Year of manufacture: New vehicle * ABS (Anti-lock Braking System) * EBS (Electronic Braking System) * Air suspension * Maxi trailer * 7.45 m * Lifting and lowering mechanism * Storage/toolbox * Other * Suspension: Air * Gross vehicle weight: 18,000 kg * Unladen weight: 1 kg * Payload: 17,999 kg * Permissible total weight: 18,000 kg * Axle manufacturer: BPW * Tyre condition, axle 1: 100% / 100% – Tyre size: 445/45 R19.5 * Tyre condition, axle 2: 100% / 100% – Tyre size: 445/45 R19.5 * Tyre sizes: 445/45 R19.5 * Coupling height: 1,320 mm * Tyre manufacturer: Continental Disclaimer: Specifications subject to change without notice. Prior sale and errors excepted. Additional photos and videos available on our website. Our comprehensive service includes, for example: * Purchase, sale, and rental of commercial vehicles * Fast and simple financing options * Assistance with all (export) documentation * Arrangement of export/customs licence plates * Vehicle preparation: new tarpaulins, lettering, paintwork, etc. * Professional loading and load securing * TÜV inspections, registration service * Transfer/delivery of commercial vehicles Hjdpfezhfwzox Abhep Please contact our trained specialists – we are happy to advise you.

Condition: good (used), Year of construction: 2014, operating hours: 2,037 h, axle configuration: 4x4, fuel type: diesel, color: other, Equipment: all wheel drive, Drive: Wheel GVW: 6.480 kg Dimensions (LxBxH): 657 x 235 x 227 cm Make of engine: Deutz Mast: articulated arm Lifting capacity: 250 kg Working height: 1.572 cm CE mark: yes JLG 450AJ Year of construction: 2014 Hours: 2037 h Engine: Deutz Diesel Weight: 6480 kg Working height: 15.7 m Lateral reach: 7.6 m Lifting capacity: 250 kg Drive: 4X4 CE certified Hedpfx Abozhnc Tohop Generator