Used Liebherr Wsc 501-1 for sale (78,008)

Condition: good (used), Year of construction: 1990, FOR SALE: LIEBHERR WSC 501-1 CNC Gear Milling / Shaping Machine (Year 1990) High-performance vertical gear shaping machine designed for intensive machining of internal and external gears with high precision. Heavy-duty, German-engineered equipment, available immediately and ready for demonstration. 📌 General Overview Brand: LIEBHERR Model: WSC 501-1 Year of Manufacture: 1990 Type: Vertical CNC Gear Milling Machine Technology: Original CNC Control (Liebherr CNC) Bodpfszd Rcbjx Akwswp Machining Capacity: Internal and external gears Technical Condition: Machine connected and currently powered up in the workshop. PLCs, controllers, and control screens are functioning perfectly. 📊 Complete Table of Capacities & Specifications Technical Parameter Capacity / Maximum Value Nominal maximum workpiece diameter Ø 500 mm Maximum permissible module 8 mm Maximum slide stroke (Z-axis) 200 mm Stroke position adjustment 200 mm Maximum cutter diameter Ø 160 mm Workpiece table (table) diameter Ø 550 mm Table center bore Ø 150 mm Maximum radial table adjustment (X-axis) 350 mm Maximum oscillation rate Up to 1,200 strokes/min Total machine weight Approximately 9,500 kg

Condition: good (used), Year of construction: 1990, FOR SALE: LIEBHERR WSC 501 CNC Gear Milling / Shaping Machine High-precision vertical gear shaping machine, ideal for the production of internal and external gears. Robust machine, available for inspection under power in our workshop. 📌 General Description Brand: LIEBHERR Model: WSC 501 Year of manufacture: 1990 Technology: Numerical Control (Original Liebherr CNC) Processing capacity: Internal and external gears Condition: In very good working order, control unit and automatic cycles fully operational. 📊 Technical Specifications & Overall Dimensions Parameter / Capacity Standard Value (Manufacturer) Maximum nominal workpiece diameter Ø 500 mm Maximum module 8 mm Maximum slide travel (Z) 200 mm Bedpfxozd Rdxs Akwswp Position adjustment of the travel 200 mm Maximum cutter diameter Ø 160 mm Workpiece table diameter Ø 550 mm Table bore Ø 150 mm Maximum distance between tool axis / workpiece axis (X) 350 mm Maximum oscillation rate Up to 1,200 strokes/min Approximate machine weight approx. 9,500 kg

Condition: used, Year of construction: 1985, Technical details: max. wheel diameter: 780 mm gear width: 130 mm max. module: 10 weight of the machine ca.: 8,5 t no. of strokes: 30 Hub/min Hier fully functional machine, Little used There are some Tools and Change gears Liebherr WSC501 CNC gear shaping machine, used, ready for use Manufacturer: Liebherr Type: WSC 501 Mach.- No.: 4407/05 Year of manufacture: 1985 Details: Max. gear shaping module: 8mm (30°gears possible up to module 10°) Max. gear width: 130mm Diameter of the machine table: 500mm Maximum wheel diameter: 780mm Shut height – table: 650mm Stroke rate min. 30DH/min Continuously adjustable max. 1500 DH/min. Operating voltage: 380V Frequency: 50Hz Control voltage: 110V Connected load: 36 kVA Rated current: 55A Weight: 8500kg Bwsdpfoy Nk H Hsx Akwep Dimensions: approx. 4,85 x 3,655 x 3,78 (width x depth x height in m) The machine has seen only very limited use in our company. It remains fully operational and can be demonstrated in function upon appointment. Comprehensive documentation is also available The machine is particularly suitable for: ? Internal and external gearing in small batch sizes ? Internal gears in blind holes (non-through bores) ? External gears without run-out, where hobbing would not be possible Typical workpieces include: internal gear rings for planetary gear systems, drive shafts, coupling hubs, and more. Attractive Offer – Liebherr WSC501 CNC Gear Shaping Machine ????? ? ISO 9001 + EN 9100 Certified ? Excellent opportunity to acquire a robust German-made gear shaping machine ? Fully operational, with very limited usage history ? Demonstration possible upon appointment Highlights: - Suitable for internal and external gear shaping in small to medium batch sizes - Unique capability for internal gears in blind holes - Ideal for external gears without run-out, where hobbing would not be possible - Applications: planetary gear rings, drive shafts, coupling hubs, and more ????? Benefit: Save costs compared to new machines while still relying on Liebherr quality. Interested? Contact us today to arrange a viewing or request further technical details. *

Condition: used, Year of construction: 2009, controller manufacturer: Siemens, controller model: 840 D, _____ Description: Year of manuf. : 2009 In General: Year of manufacture:2009 Control system:Siemens 840 D External gear diameter:1,200 mm Internal gear diameter:1,200 mm Maximum gear width:260 mm Maximum workpiece diameter:1,500 mm Machine base: Travel:600 mm Bwsdpfjzdxi Nex Akwep Lateral adjustment:+/- 60 mm Cutting head: Spindle diameter:125 mm Tool holder:SK 45 Distance between spindle and table:0–820 mm Stroke length:270 mm Max. module:16 mm Max. tool diameter:300 mm Max. spindle speed:25 rpm Table: Table diameter:900 mm Table bore:320 mm Bore depth:520 mm Max. speed:12 rpm Max. table load:95 kN Equipment: Chip removal:2 magnetic belt conveyors Coolant supply:Cutting oil system with filter and temperature control Set-up operation:Electronic handwheel

Condition: used, Year of construction: 2009, gear hobbing diameter - external 1200 mm gear hobbing diameter - internal 1200 mm gear hobbing width -max. 260 mm max. workpiece diameter 1500 mm Control Siemens 840 D table diameter 900 mm Table hole Diameter / depth 320 / 520 mm max. table load 95 kN coolant pump 120 l/min Axial distance between thrust spindle - table 0-820 mm work-spindle diameter 125 mm tool taper SK 45 DIN Table rpm 12 1/min power requirement 30 kW weight of the machine ca. 24 t dimensions of the machine ca. 11,715 x 5,565 x 4,505 m Strokes: - Stroke length min./max.: 0 mm / 270 mm - Stroke length adjustment range: 270 mm - Stroke rate (double strokes): 10 to 270 strokes/min Sliding head carriage: - Max. travel speed: 5000 mm/min Machine bed: - Axial travel: 600 mm Slotting head: - Max. module for rolling slotting: 16 mm - Slotting spindle diameter: 125 mm - Max. tool diameter: 300 mm - Max. broaching wheel speed: 25 rpm Bodsy Dvl Rspfx Akwewp - Cutting speed: 5 ... 50 m/min Equipment/Accessories: - Column lateral adjustment: +/-60 mm - Cutter holder mount: SK 45 DIN

Condition: good (used), Year of construction: 2009, max. wheel diameter 1200 mm gear width 260 mm max. module 16 min. module 0,5 stroke 270 mm distance between table/spindle 920 mm taper of shaper cutter SK control Bosch MTX table diameter 900 mm min. workpiece diameter-at internal hobbing 1200 mm strokes - infinitely variable 50-1000 Hub/min spindle diameter 125 mm table hole 320 mm Distance of shafts Min/Max 0-820 Bwjdpfx Akowzmpzswjp power capacity Stosskopf 30 KW total power requirement 72 KVA weight of the machine ca. 24 t dimensions of the machine ca. 6,5x2,9x4 m Liebherr LH 90 control, 9 axis CNC, top condition.

Condition: good (used), Year of construction: 2007, max. wheel diameter 1200 mm gear width 260 mm max. module 16 min. module 0,5 stroke 270 mm distance between table/spindle 920 mm taper of shaper cutter SK control Liebherr LH 90 table diameter 900 mm min. workpiece diameter-at internal hobbing 1200 mm strokes - infinitely variable 50-1000 Hub/min spindle diameter 125 mm table hole 320 mm Distance of shafts Min/Max 0-820 Bwjdpfxswzmp Is Akwjp power requirement Stosskopf 30 KW total power requirement 72 KVA weight of the machine ca. 24 t dimensions of the machine ca. 6,5x2,9x4 m Liebherr LH 90 control, 9 axis CNC, top condition.

Year of construction: 2007, condition: used, gear hobbing diameter - external 1200 mm gear hobbing diameter - internal 1200 mm gear hobbing width -max. 260 mm Bwsdpew Rf S Eefx Akwep control Liebherr PC-NC max. workpiece diameter 1500 mm table diameter 900 mm table bore diameter 320 mm max. table load 95 kN power capacity 30 kW coolant pump 120 l/min Axial distance between thrust spindle - table 0-820 mm Shaping spindle diameter 125 mm tool taper SK 45 DIN weight of the machine ca. 26 t dimensions of the machine ca. 8,073 x 6,183 x 4,375 m Strokes: - Stroke length min./max. - 0 mm / 270 mm - Stroke length adjustability - 270 mm - Stroke rate (double strokes) - 10 to 270 DH/min Equipment/accessories: - Chip conveyor - Cutting wheel holder SK 45 DIN - Cooler - Technical documentation

Condition: used, Year of construction: 1969, max. wheel diameter 265 mm gear width 45 mm max. module 4 min. module 0,3 max. workpiece diameter 300 mm stroke length max. 0-50 mm stroke position adjustment 25 mm distance work spindle /surface of the table 170/245 mm spindle taper innen MK 4 table-size 180 mm table hole 95/75 mm strokes per minute 450 - 840 total power requirement 10 kW weight of the machine ca. 5200 kg dimensions of the machine ca. m Max. gear Æ (external) approx. 265 mm Max. workpiece Æ for internal gears 300 mm Max. gear width 45 mm Module range 0.3 - 4 Length of stroke 0 - 50 mm Adjustment of length of stroke 25 mm Distance between table and spindle, min./max. 170/245 mm Bodpfxjt Hwrus Akwjwp Spindle taper (external 90 / internal 50) MT 4 Table size 180 mm Table bore 95 / 75 mm Table travel, cross, approx. 175 mm Number of strokes, infinitely variable 450 - 840 /min Feed range 0.09 - 0.6 mm/stroke Rotary feed, strokes per cutter revolution 2,722 - 681 Total electrical load 10 kW - 380 V - 50 Hz Weight 5,200 kg Accessories / Special Features * Selection switch for various working programmes, and for manual control. * Multi-cut device for roughing, finishing and sparkout, via presettable micrometer screws. * Hydraulic workpiece external clamping device mounted on table, for internal gears (a sort of collet chuck). * Separate switch cabinet. * Separate hydraulic unit. * Hydrostatic straight guide, with cooling aggregate for the hydrostatic pressure oil, separate. * Lateral table adjustment ensures optimal ram lift from workpiece. * Infinitely variable number of strokes via DC motor. * Built-on coolant device. * Presettable impulse counter for switching off table after every cut. With digital display. * Various change gears.

Condition: used, mileage: 53,857 km, power: 270 kW (367.10 HP), first registration: 06/2003, fuel type: diesel, overall weight: 36,000 kg, axle configuration: 3 axles, color: yellow, gearing type: automatic, emission class: euro3, total width: 2,680 mm, total height: 3,750 mm, Equipment: parking heater, Liebherr UTM 735 - Crane: LTM 1055/1 - Year of manufacture: 2003 - 22,439 operating hours (carrier chassis) - 18,883 operating hours (crane superstructure) - 53,857 km mileage - 4 x hydraulic boom extension - 16 m jib - Hydraulic steering - 12 t additional counterweights - LED beacon lights - Technical inspection due: - Safety inspection due: 01.2026 - Tyres: 445/95 R 25 Subject to errors and prior sale. Internal vehicle number: 11218 WhatsApp support available! Bwjdpsw H Hwvsfx Akwsp For questions about the vehicle or for further information, feel free to contact us conveniently via WhatsApp.

Condition: used, Year of construction: 2012, Liebherr Crane 42 K.1, slewing crane, used, 50.742 Used slewing crane, Liebherr 42 K.1, manufactured in 2012. This crane is suitable for construction sites, high-rise construction, and general lifting operations. Includes frequency converter control, a universal power-sensitive distributor, and cable set. Manufacturer: Liebherr Model: 42 K.1 Bwodpfxey Thg Se Akwjp Machine type: Slewing crane Serial number: 50.742 Year of manufacture: 2012 Outreach: 36.0 m Hook height: 21.0 m Foldable, quick-assembly crane Frequency converter control included Universal power-sensitive distributor included Cable set included Power supply: Three-phase / universal power Application area: Construction site, high-rise construction, assembly work Condition: used

Condition: used, Year of construction: 2012, operating hours: 15,000 h, LIEBHERR R 964 C – ONE OWNER – EXCELLENT CONDITION – BACKHOE EXCAVATOR Bodpsw Ua Trofx Akwowp ----VEHICLE HISTORY ONE OWNER GERMAN MACHINE ----VEHICLE FEATURES ----BRAND LIEBHERR ----TYPE TRACKED EXCAVATOR BACKHOE EXCAVATOR ----YEAR OF MANUFACTURE 2012 ----OPERATING HOURS 15,000 h ----POWER 320 kW ----ENGINE LIEBHERR ENGINE ----MAINTENANCE SERVICED EXCLUSIVELY BY LIEBHERR ----AVAILABLE IMMEDIATELY ----EXPORT SALES ONLY WITH DEPOSIT (SECURITY) OF AT LEAST €500–€2,000 ----EXPORT DECLARATION/CUSTOMS—EXW AVAILABLE IN 10 MINUTES (AUTHORIZED EXPORTER); 5-DAY, 30-DAY PLATES AND 17–21 DAYS FOR AUSTRIAN REGISTRATION, EURO 1 VEHICLE RESERVATIONS ONLY VIA EMAIL FUNCTION. VERBAL RESERVATIONS ARE NOT VALID! A deposit of at least €500/€1,000 is required for sales to the EU and third countries. (For sales to the EU and third countries, a deposit/guarantee of at least €500.00/€1,000.00 will be levied.) Subject to changes, errors, and prior sale! You will find more vehicles on our website. Sales are made exclusively according to our Terms and Conditions — see website. Important Notice: Despite careful verification of all details in our offer, errors may occur. Some originate from transmission errors between the systems of various platform providers. Therefore, please note that all information is provided without guarantee and does not constitute a legal claim. Legal information: This sales advertisement does not constitute an offer as defined by §145 BGB. Instead, it is provided for the initiation of a contract. The information provided here is without guarantee and therefore does not represent warranted characteristics.

Condition: used, Year of construction: 2012, Liebherr Crane 42 K.1, Underslung Crane, Used, 50,465 Used underslung crane, Liebherr 42 K.1, manufactured in 2012. This crane is suitable for construction sites, high-rise construction, and general lifting operations. Includes frequency converter control, a universal power-sensitive distributor, and cable set. Manufacturer: Liebherr Model: 42 K.1 Machine Type: Underslung Crane Serial Number: 50,465 Year of Manufacture: 2012 Outreach: 36.0 m Hook Height: 21.0 m Foldable quick-assembly crane Frequency converter control included Universal power-sensitive distributor included Cable set included Power Supply: Three-phase / Universal Power Application: Construction site, high-rise construction, assembly work Bedpfx Akjy Thgfswswp Condition: Used Location: Berlin

Condition: like new (used), LIEBHERR 4-BLADE OCTOPUS 800 LITERS Brand/model: LIEBHERR GM069-1 Kg: 1740 Suitable for turnings, crushed or sheared aluminum, proler and palatable plate. Bwedpfx Ajupkv Ejkwsp Suitable for loaders from 35 ton to 50 ton Overhauled Repainted

Condition: used, mileage: 34,043 km, power: 395 kW (537.05 HP), first registration: 01/1999, overall weight: 55,200 kg, fuel type: diesel, color: white, empty load weight: 26,400 kg, gearing type: automatic, suspension: other, Year of construction: 1999, operating hours: 34,043 h, Equipment: additional headlights, air conditioning, hydraulics, parking heater, Towbarless PushBack: - Goldhofer Bwodeqxt I Tepfx Akwjp - AST-1 A500 - Year of construction 1999 - 34,043 operating hours - Liebherr D9408 TI-EA3 engine, 8 cylinders, 395KW, 17.180ccm, Configuration: 988 1201 - Hydrostat (Vmax 30km/h) - Unladen weight: 26,400kg; permissible GG: 55,200kg - Air conditioning - Auxiliary heating - Swivel seat system - StrobeLights left / right Aircraft types: Airbus: - A200 - A300 - A310 - A330/340 - A500 - A600 Boing: - B747 - B767 - B777 - B787 McDonenell Douglas: - DC-10 - MD-11 The pushback is currently running in the "emergency driving program" - a data transmission error is displayed You can find a video of this offer on You can find our entire vehicle fleet at Receive all new vehicles by email - subscribe to our NEWSLETTER! Errors and typing errors possible, subject to prior sale!

Condition: used, Year of construction: 2000, Gämmerler KL 501/1 – Unit for stacking printed products Bodov Sdf Ajpfx Akwjwp

Condition: used, axle configuration: 2 axles, first registration: 02/2018, suspension: air, tire size: 425/65R22.5, wheelbase: 1,300 mm, Year of construction: 2018, Applicable material: Concrete Tyre size: 425/65R22.5 Suspension: air suspension Drive: Wheel Empty weight: 8.010 kg Bjdpfezd Uznsx Akwewp Carrying capacity: 23.990 kg GVW: 32.000 kg Make of bodywork: LIEBHERR

Condition: used, mileage: 140,111 km, power: 210 kW (285.52 HP), first registration: 11/2017, fuel type: diesel, overall weight: 24,000 kg, axle configuration: 2 axles, next inspection (TÜV): 07/2028, color: orange, gearing type: automatic, emission class: euro6, Year of construction: 2017, Equipment: ABS, air conditioning, all wheel drive, Internal vehicle number: G400136 Available immediately at our yard in Kaufungen More information: * Golec Nutzfahrzeuge GmbH (German, English, Bulgarian, Russian) * Viktoria Sologubova (Polish, Russian, Ukrainian, English) Crane chassis * Operating kilometers: 140,111 km * Operating hours: 4,349 * Date: 28.04.2026 * Drive and steering / steered axles: 4 x 4 / axles 1, 2 * Tire size: 445 / 95 R25 * Engine emission level: Stage IV * Engine (manufacturer/type) / power: Liebherr / 210 kW / 2 rpm * Transmission manufacturer / type: ZF / SG / AS-Tronic * Operable from the crane: yes * Crane upper carriage * Operating hours: 7,754 * Date: 28.04.2026 * Hook blocks / load hook: 25 t / 5.7 t * Counterweight: 0.75 + 0.75 + 1.8 * Equipment & safety * Cab chassis: yes * Wind speed indicator: yes * Working area limitation: yes * Safe load indicator: yes * Emergency stop button: in both carrier and crane cabin * Emergency operation of crane hydraulics: yes * Warning light: switchable between LED continuous light and LED flashing light ---- Comfort & extras * 12V socket: in both cabins * Air conditioning: yes * Auxiliary heater: yes Bedoy Hy Dpepfx Akwswp * Work lights: 2 pieces, electrically adjustable on the rotating platform * Box for outrigger pads: yes ---- Financing example: * Internal number: Crane * Purchase price: 229,900.00 € * Down payment: 10% * Term: 60 * Monthly rate: 3,500.02 € Residual value: 45,000.00 € If you are interested in this offer or would like to customize it to your needs, please contact us (Mr. Enchev). We look forward to your call. Errors and omissions excepted. We will gladly accept your used vehicle in part exchange. Financing is possible directly with us. GOLEC NUTZFAHRZEUGE GMBH We speak: German, English, Spanish, Polish, Ukrainian, Russian, Bulgarian.

Condition: used, axle configuration: 2 axles, first registration: 03/2013, suspension: air, tire size: 425/65R22.5, wheelbase: 1,320 mm, Year of construction: 2013, Applicable material: Concrete Suspension: air suspension Rear axle 1: Tyre size: 425/65R22.5 Rear axle 2: Tyre size: 425/65R22.2 Drive: Wheel Empty weight: 7.360 kg Carrying capacity: 31.040 kg GVW: 38.400 kg Make of bodywork: LIEBHERR Bwedpfx Aouc Az Sekwop

Condition: used, axle configuration: 3 axles, first registration: 11/2008, suspension: air, tire size: 385/65r22.5, wheelbase: 1,300 mm, Year of construction: 2008, Applicable material: Concrete Tyre size: 385/65r22.5 Suspension: air suspension Drive: Wheel Empty weight: 9.440 kg Carrying capacity: 28.060 kg GVW: 37.500 kg Make of bodywork: LIEBHERR Bjdpfxsuc Ekis Akwewp

Condition: used, axle configuration: 2 axles, first registration: 07/2009, suspension: air, tire size: 425/65R22.5, wheelbase: 1,310 mm, Year of construction: 2009, Applicable material: Concrete Tyre size: 425/65R22.5 Suspension: air suspension Drive: Wheel Empty weight: 8.420 kg Carrying capacity: 27.580 kg GVW: 36.000 kg Make of bodywork: LIEBHERR Bedpfx Aksuc Enzjwjwp

Condition: used, mileage: 72,004 km, power: 260 kW (353.50 HP), first registration: 06/2017, fuel type: diesel, overall weight: 36,000 kg, axle configuration: 3 axles, next inspection (TÜV): 12/2025, color: white, gearing type: automatic, emission class: euro6, total width: 2,550 mm, total height: 3,900 mm, Year of construction: 2017, Equipment: ABS, air conditioning, all wheel drive, crane, navigation system, Liebherr Mobile Crane LTC 1050-3.1 with lattice jib extension !!! The crane received a new engine 2 years ago !!! The new engine has only run 3,000 km Upper carriage: 3,330 h Carrier: 2,344 h * Max. lifting capacity: 50 t * Max. hoisting height: 48 m * Max. outreach: 39 m Technical data: Bodpfx Akox Im U Rjwowp Max. lifting capacity: 50 t at a radius of 3.00 m Telescopic boom from 8.10 m Telescopic boom up to 36.00 m Lattice jib from 1.50 m Lattice jib up to 13.00 m Carrier engine / Manufacturer: Cummins Carrier engine: 6-cylinder diesel Carrier engine output: 243 kW Number of axles: 3 Drive/steering: Standard 6 x 6 x 6 Travel speed: 85.00 km/h Total counterweight: 6.50 t We are also happy to assist you with financing/leasing options through our partners. All information without guarantee. Subject to error and prior sale.

Condition: used, mileage: 90,300 km, first registration: 08/2017, fuel type: diesel, tire size: 445/95 R 25, axle configuration: 6x6, fuel: diesel, brakes: retarder, suspension: hydraulics, total length: 11,840 mm, total width: 2,540 mm, Year of construction: 2017, Equipment: ABS, AdBlue, crane, cruise control, electric window regulation, retarder, = Additional options and accessories = - Mechanical tachograph - Hub reduction - PTO (Power Take-Off) - Radio/CD player = Further information = Axle configuration Front axle: Tire size: 445/95 R 25; Steered; Left tire tread: 40%; Right tire tread: 40%; Suspension: hydraulic suspension Rear axle 1: Tire size: 445/95 R 22.5; Steered; Left tire tread: 50%; Right tire tread: 50% Rear axle 2: Tire size: 445/95 R 25; Steered; Left tire tread: 50%; Right tire tread: 50% Weights Unladen weight: 35,850 kg Payload: 150 kg Gross vehicle weight (GVW): 36,000 kg Functional Lifting capacity: 50,000 kg Crane: Year of manufacture 2020 Bwodszb Huiopfx Akwjp Condition Damages: none Identification Registration number: 96-BJT-9

Condition: used, power: 110 kW (149.56 HP), Year of construction: 2013, operating hours: 12,966 h, Drive: Wheel Bjdpfx Akeyzfrbowjwp Empty weight: 20.000 kg Please contact Emal Jaweed for more information

Condition: good (used), Year of construction: 2002, Ref. -No.: 10442 Manufacturer: LIEBHERR Type: LC 122 Year of construction: 2002 Type of control: CNC-Steuerung Control: LIEBHERR PC NC Storage location: Halberstadt Country of origin: Germany Hob diameter max.: 90 mm Table Diameter: 145 mm Max. Module: 3 mm Smallest number of millable teeth: 4 Milling head swivel angle: +/- 45 ° Resolution accuracy: 0,1 Degree Workpiece table load: 17 kN Milling speed: 450 - 4.500 1 / min Operating voltage: 400 V control voltage: 24 V frequency: 50 Hz Max. rated current: 55 A Fuse in the supply line: 63 A Max. milling diameter spur gears/helical gears: 125 mm Max. milling width spur gears/helical gears: 250 (axial) mm Spindle stroke: 180 mm Max. cutter width: 200 mm Further information: Ambient temperature: +12°.....+40° Operating noise: 78 dB (A) Bwsdpfx Akoym Nbcewjp Milling head designation: motor milling head Workpiece axis: vertical Stand: movable Table: fixed Milling method: axial hobbing in the same or opposite direction The machine can be inspected under power by arrangement.