Used Vdf H+H Center Lathe for sale (66,490)

Condition: used, Year of construction: 1992, turning diameter over bed 350 mm turning diameter over slide rest 196 mm turning length 1250 mm turning speeds 3250 U/min bed width 350 mm total power requirement 7,5 kW dimensions of the machine ca. 4x1,5x1,5 m - Accessories available. The tech. Data are manufacturer or operator information and therefore non- binding. We reserve the right to prior sale; Our terms and conditions of sale apply exclusively. About us More than 400 of our own machines in stock Over 15,000 m² of storage space, 70 t crane capacity More than 10,000 items and accessories for your workshop If you are interested in selling machines, production lines, or your business, please contact us. You can find further offers on our website. Tours are possible by appointment. We look forward to your visit. Your Markus Hirsch Team Hnoln S A Hjyqvxponep

Condition: excellent (used), Year of construction: 2011, Harrison V390 Gap Bed Centre Lathe (2011) Helnox D Uf Ts S A Hnonp Max’ Distance Between Centres 1250mm Max’ Swing Over Bed 390mm Max’ Swing In Gap 585mm Spindle Bore 54mm Spindle Speeds 25-2500 rpm 415V, 3 Phase Electrics. Supplied with: Quick Change Tool Post 2 Axis DRO 3 Jaw Chuck 4 Jaw Chuck Coolant For sale with *Jet Machinery Ltd* Jet Machinery Stock No: #79023 Machine Serial Number: 7V0355P Cost: £11,950.00 + VAT Whilst every effort has been made to ensure that the above information is accurate it is not guaranteed. We advise prospective purchasers to check any vital details. Health and Safety At Work Act 1974: It is not reasonably practical for ourselves as suppliers to ensure that for your application the goods comply with requirements of the Act with respect to guarding etc. Prospective purchasers should ensure that a guarding specialist inspect the goods prior to use.

Condition: used, Year of construction: 1969, turning diameter over bed 500 mm turning diameter over slide rest 330 mm turning diameter in the gap 600 mm turning length 3000 mm bed width 505 mm spindle bore 72 mm spindle head DIN 55022 Gr. 8 taper in tailstock MK 5 turning speed range 22,4- 1120 U/min power requirement 18,5 kW dimensions 5,3 x 1,75 x 1,53 m weight of the machine ca. 5,2 t used lathe in nice condition with digital scale - 2 axis digital scale - 4 jaw chuck Ø 250 mm Hjljy Tyy Dsn S A Hnsnp - 3 jaw chuck Ø 260 mm - Multifix "C" toolholder system - some toolholders - steady

Condition: used, Year of construction: 1963, turning diameter over bed 390 mm turning diameter over slide rest 190 mm turning length 1000 mm turning dia. in gap 460 mm spindle head DIN 55026 Gr. 6 spindle bore 52 mm turning speed range 11,2 - 2240 U/min power requirement 7,5 kW bed width 355 mm dimensions 2,8 x 1,3 x 1,6 m weight of the machine ca. 1,9 t Equipment: - Multifix "B" with 5 pic. toolholders - 3-jaw-chuck Ø 250 - coolantsystem - 2-axis digital readout Heidenhain Hnoln S Asy Tyyqo Hnsp - some jaws

Condition: good (used), For sale is the lathe shown in the pictures, manufactured by the German company Weiler, model Primus. The machine is in very good condition. I can arrange for the machine to be loaded on site. Net price + 23% VAT. Chuck: 120 Turning diameter: 240 Turning diameter over the carriage: 140 Taper in the headstock: MK2 Minimum speed: 150 Maximum speed: 3200 16 spindle speeds Longitudinal and transverse feeds Metric and inch threads Spindle bore: 24 Right and left jaws Heln Sjzfgcms A Hnenp Steady rest / chuck jaws

Condition: used, Year of manufacture: 1980s/90s Technical data: Hneleydk Hhon S A Hnsp Centre height: 185 mm Centre distance: 750 mm Turning diameter over bed: 370 mm Spindle bore: 36 mm Bed width: 250 mm Speed range: 38 - 1600 rpm Tailstock taper: MT 3 Quill stroke: 110 mm Dimensions (W x D x H), approx.: 1950 x 900 x 1200 mm Weight, approx.: 800 kg Equipment: - 3-jaw chuck, make: Röhm, ø 200 mm - Quick-change tool post with 4 holders - Bed stop - Chip tray

Condition: used, spindle bore: 36 mm, center height: 165 mm, turning length: 650 mm, Used L+Z lathe EMCO MAXIMAT V13 Center height: 165mm Distance between centers: 650mm Spindle bore: 36mm Spindle speed range: 30-2,500 rpm Heljzb Ihwjn S A Hnenp Tailstock MK3, Multifix base body size A, 1 x 3-jaw chuck, machine light, bed stop, chuck guard with electrical safety interlock, indexing center that rotates with the spindle, and 1 drawer cabinet with additional operating tools. The machine is located in our showroom in 71334 Waiblingen-Beinstein and is available immediately. Please contact us regarding the equipment.

Condition: excellent (used), Digital display Heidenhain Center height 200 mm Distance between centers 800 mm Swinging diameter over carriage/bed 240/425 mm Length of the offset from the faceplate with 4 jaws 180 mm Spindle bore 51 mm Internal taper 60 Metric Tool holder Camlock D6" Spindle speed 45-2240 rpm Lead screw pitch 6 mm Tailstock quill holder MK 4 Diameter of the tailstock quill 70 mm Quill stroke 200 mm Feeds: Longitudinal 0.05-2.8 mm/rev Facing 0.05-2.8 mm/rev Rapid traverse: Longitudinal Thread pitches: Hslnjzcvnuo S A Hnsnp Metric 0.5-14 mm English 2-56 TPI Module 0.125-3.5 Motor 380 Volt, power 12.5 HP Machine dimensions: W x D x H 2400 x 1200 x 1800 mm Weight 2100 kg

Condition: new, Discover our selection of robust and precise conventional lathes! Are you in search of a reliable lathe that boosts your productivity? Experience precision and performance with our new conventional lathes equipped with a wide range of accessories. Our machines offer turning diameters from 400-1000mm and turning lengths up to 10m, also available as a cycle variant. With various models, you have limitless possibilities. Some machines are quickly available from stock! Explore our extensive special accessories, such as hollow spindle, infinitely variable speeds, Siemens controls, and more, to make your lathe even more versatile. Whether for complex workpieces or demanding tasks, our machines always deliver the best results. Trust in our long-standing experience and let us optimize your machining processes together. Invest in quality and precision - contact us today! Here's a selection of STOCK MACHINES (see images), and we are happy to offer additional models or special machines upon request: Technical Main Data: DLZ Series including 15% or more BAFA subsidy! - Turning diameter over bed: 400-1000 mm - Turning length: 1000/1500/2000/3000 mm - Spindle bore: 80 (opt. 105) mm - Workpiece weight up to 2t - Spindle speed up to 2800 rpm Accessories: Digital display, 3-jaw chuck, faceplate, Multifix tool holder, and more. Extensive SPECIAL ACCESSORIES such as infinitely variable speed, steady rests, larger spindle bore, and more to make the machine even more productive. Currently available new machines with warranty and BAFA subsidy, for example: - SDM 850: Turning diameter over bed 850mm, turning length 3m - DLZ 325: Turning diameter over bed 650mm, turning length 2m and 3m - DLZ 250: Turning diameter over bed 500mm, turning length 1m and 1.5m - DLZ 200: Turning diameter over bed 400mm, turning length (missing information) More models (also with cycle control) available on request. Contact us now and discover the world of innovative turning technology! Our service for you: - Consultation and solution finding at your location - Organization of machine transport to your facility - Installation, assembly, commissioning, and ready-to-use handover - Financing and exploration of funding opportunities through KFW and BAFA, and more. Holn Sod Afn Ie A Hnonp

Condition: new, Year of construction: 2025, functionality: fully functional, turning diameter over cross slide: 360 mm, spindle bore: 105 mm, turning diameter: 500 mm, center width: 1,500 mm, rotational speed (max.): 1,600 rpm, New conventional lathe DLZ 560x2000 with extensive accessories. Main Technical Data: Max. turning diameter over bed: mm Ø500 Max. turning diameter over cross slide: mm Ø310 Max. turning diameter in gap: mm Ø720 Bed width: mm 405 Max. workpiece length (between centers): mm 1500 Max. turning length: mm 1350 Effective gap length: mm 230 Spindle Spindle nose: D8 Spindle bore: mm Ø80 Spindle taper: M.T. No.7 Metric Ø113 1:20 Spindle speed (steps): 12 speeds Spindle speed range: rpm 36–1600 Further technical details available in the attached document. Main Features: - All-inclusive price with 2-axis position indicator (SINO – General importer in Germany), installed, and powerful 7.5 kW drive - Heavily ribbed machine bed for excellent vibration absorption, even during roughing operations - Extra-wide, induction-hardened and ground guideways for long service life and high precision. Max. workpiece weight up to 500 kg - Electrically interlocked chuck guard - Equipped with adjustable micrometer stop and overload clutch - Hardened and ground gears with oil circulation lubrication for powerful and quiet spindle drive - Precision spindle bearings for high concentricity and accuracy - Clearly arranged, ergonomically designed controls - Single-lever operation for cross feed, longitudinal feed, and rapid traverse for X/Z axes on the carriage - Precise gearshift for speed and feed selection - Finely graduated feed rates and thread pitches - Main spindle gearbox with electromagnetic clutch - Major electrical components by renowned European manufacturers, e.g. Telemechanique - Comprehensive standard equipment including Multifix tool post, chuck, faceplate, 3-axis digital readout, steady rests and much more Hjln S A Heyak Evjnonp - All machines are tested by our service engineers prior to delivery Additional models (also with cycle control) available on request. Contact us today and discover the world of innovative turning technology! Our services for you: • On-site consultation and solution finding • Organization of machine transport to your facility • Installation, commissioning, and turnkey handover • Financing and support with subsidy applications via KFW, BAFA, and more

Condition: new, Year of construction: 2026, functionality: fully functional, spindle bore: 80 mm, turning diameter: 560 mm, center width: 2,000 mm, New CNC cycle lathe ZDM 560 x 2000 with Siemens 828D ShopTurn 2. Machine Overview The ZDM 560 x 2000 is a robust and versatile flat-bed CNC cycle lathe designed for flexible production, maintenance, and training environments. It combines the benefits of conventional lathes with state-of-the-art CNC control technology. Thanks to the Siemens 828D ShopTurn control system, it enables simple and intuitive programming. The machine is particularly suitable for single-part and small batch production and is available for immediate delivery from stock. 3. Technical Data ZDM 560Z Swing diameter over bed (mm): 560 Swing diameter with 6-position turret (mm): 420 Max. workpiece length (mm): 2000 Max. turning length (mm): 1900 Max. turning length with 6-position turret (mm): 1735 Hnjlnjqwqiaj S A Hnep Max. swing diameter over cross slide (mm): 330 X-axis travel (mm): 320 Z-axis travel (mm): 1970 Rapid traverse X/Z (m/min): 8/10 Spindle mount: A2-8 Spindle bore (mm): 80 Spindle nose taper: MT7 Spindle speeds (RPM) with manual chuck: 27-135 / 55-270 / 160-805 / 325-1630 Gear stages: 4-speed Tool shank (mm): 32x32 Tailstock quill diameter (mm): 75 Tailstock quill stroke (mm): 150 Tailstock quill taper: MT5 Main motor (kW): 7.5 Net weight (kg): 4100 Machine dimensions LxWxH (mm): 3000×1250x1580 4. Standard Equipment • Siemens SINUMERIK 828D ShopTurn • 80 mm spindle bore • 250 mm 3-jaw chuck • Manual tailstock • Coolant and lubrication system • Full enclosure • LED work light • CE conformity 5. Stock Machine Features • Chip conveyor for 2000 mm machine • 6-position electric tool turret • Fixed steady rests (60–190 mm and 150–280 mm) • Teach-in control panel with handwheels and joystick Additional accessories available on request 6. Special Features / Benefits • Easy operation via ShopTurn • High flexibility for single-part and small batch production • Robust cast construction • Large spindle bore for bar machining • Immediately available – no delivery lead times 7. Scope of Delivery Machine including standard equipment and above-mentioned special equipment, ready for operation. 8. Delivery Time Immediately available from stock in Stockstadt.

Condition: good (used), functionality: fully functional, spindle bore: 40 mm, turning diameter over bed slide: 200 mm, center width: 800 mm, spindle speed (max.): 2,000 rpm, spindle speed (min.): 50 rpm, overall weight: 800 kg, For sale is a lathe manufactured by NARDINI, type MS 175 E. The machine is in good condition. Technical data: Manufacturer: NARDINI Type / Model: MS 175 E Machine type: Lead screw and feed screw lathe Hnslnozb Iczj S A Hnop Center height: 175 mm Distance between centers: approx. 800 mm / 1,000 mm (depending on bed length) Swinging diameter over bed: 350 mm Swinging diameter over cross slide: 200 mm Spindle mounting / internal taper: Camlock / MK 5 Spindle bore: approx. 40 – 42 mm Tailstock mounting: MK 3 Speed range: approx. 50 – 2,000 rpm (mechanically adjustable) Min. speed: approx. 50 rpm Max. speed: approx. 2,000 rpm Feeds & threads: Longitudinal and transverse feeds; switchable for metric threads, inch threads, module and diametral pitch. Drive motor power: approx. 3.0 kW / 4.0 kW Power connection: 400 V / high voltage Total weight: approx. 850 – 1,000 kg Upon request, transport and loading can be arranged throughout Europe for an additional fee. Prices are exclusive of VAT. Inspection is possible by appointment. Contact us, our team will be happy to assist you further. Trade-in or exchange possible! Machine buying and selling PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES AND MORE. Gjbn N Ay Dowza Dxogoil Do you need a high-quality but affordable metalworking machine for your production? Or do you want to sell yours? For more information or contact options, visit our website.

Condition: excellent (used), Year of construction: 2005, FOR SALE - Emcomat 17D Lathe Year 2005 Travel in X/Z 220 / 710 mm Distance between centers - 700 mm Distance above centers - 170 mm Max. speed - 3000 rpm Spindle nose - DIN 55029 Holn S Asxyziko Hnonp Max. drive power - 5.3 kW Quill diameter 50 mm Inner cone MT3 Quill travel 120 mm Dimensions (LxWxH) 1650 x 1060 x 1635 mm Machine weight 755 kg 3 & 4 Jaw Chuck

Condition: good (used), functionality: fully functional, Scope as per image. Infinitely variable speeds up to 3,000 rpm. Hjlnezg Tgbe S A Hnsnp

Condition: used, Year of construction: 2003, turning diameter over bed 330 mm centre distance 1.000 mm centre height 167 mm spindle bore 38 mm turning diameter over cross slideways 210 mm spindle tunring speed 40 - 2.500 U/min x-axis 190 mm z-axis 92 mm In our assessment, the machine is in good used condition and can be inspected under power by appointment. Hnsln S Aoy Ty I Ie Hnop Accessories, as well as the tools and clamping devices shown in the images, are included in the scope of delivery only if explicitly noted in the additional information. Subject to changes, errors in technical data and specifications, and prior sale!

Condition: good (used), functionality: fully functional, Machine Name - Colchester Machine Model - Triumph 2000 Heljuk H Rbsn S A Hnsnp Description - 3 Jaw Chuck Between centers : 50 inch / 1270mm Spindle speed 2000 RPM Swing over bed 15inch /380mm Spindle bore: 2 125 inch / 54 mm Diameter Quick change tool post 2 axis Accurite DRO Gap bed Tailstock Coolant pump and tray

Condition: like new (used), Year of construction: 2010, functionality: fully functional, spindle bore: 50 mm, turning diameter: 400 mm, turning diameter over bed slide: 400 mm, turning diameter over top slide: 250 mm, center height: 200 mm, center width: 1,000 mm, turning length: 1,000 mm, quill stroke: 120 mm, quill diameter: 50 mm, total length: 1,950 mm, total width: 1,060 mm, total height: 1,635 mm, rotational speed (max.): 3,000 rpm, rotational speed (min.): 40 rpm, center height over cross slide: 200 mm, overall weight: 865 kg, spindle motor power: 5,300 W, Equipment: documentation/manual, rotational speed infinitely variable, type plate available, EMCO EMCOMAT-20 D universal lathe in very good condition, complete with tool cabinet and various tool cassettes, collets, and 4 RÖHM chucks. Manufacturer: EMCO Model: EMCOMAT-20 D Year of manufacture: 2010 Condition: very good, fully functional Location: Graz (Austria) Highlights at a glance: - Center distance 1000 mm – ideal for longer workpieces - Stepless speed control up to 3000 rpm Hsln S Aeyxvqvo Hnonp - Robust, induction-hardened machine bed - Hardened and ground guides & gears - Electromechanical spindle brake - Very stable construction – 865 kg machine weight - Safety monitoring via electrical limit switches - Equipped with a modern 3-axis digital display Technical data: - Center distance: 1000 mm - Center height: 200 mm - Swing over bed: 400 mm - Spindle bore: 50 mm - Speed: 40 to 3000 rpm - Spindle connection: DIN 55029 size 5 - Drive power: 5.3 kW - Tailstock diameter: 50 mm - Taper: MK3 - Travel: 120 mm - Dimensions (L x W x H): 1950 x 1060 x 1635 mm - Weight: approx. 865 kg Optional equipment: - Coolant system - 3-axis positioning display with 0.001 mm accuracy Scope of delivery: - Machine including drawer cabinet and various tools, tool cassettes, etc. (see pictures) - 4 RÖHM chucks (3 and 4-jaw chucks) - Complete documentation (operating manual, wiring diagram, etc.) Quality & Safety: The machine impresses with the typical EMCO quality "Made in Austria": Interested? Please contact us to arrange a viewing appointment or to receive a quote.

Condition: good (used), Year of construction: 1990, machine/vehicle number: 14076, Offer 26143 Technical data: - Maximum turning height 165 mm - Maximum turning length 750 mm - Turning diameter over bed 330 mm - Turning diameter over compound slide 170 mm - Spindle bore 42 mm - Taper of tailstock quill MK 3 - Travel of tailstock quill 140 mm - Spindle speeds 18 - 2000 rpm - Feeds longitudinal + facing - Metric thread pitches - Inch threads Hneln S A Hjzdq I Rjnep - Module threads - Drive 400 V / 1.5 / 2.8 kW - Including: - 2 x 3-jaw chuck - Steady rest - 4 x HSS tool holders - Various turning tools - Space requirement approx. B 1800 x H 1150 x D 900 mm - Weight approx. 800 kg

Condition: good (used), Year of construction: 1988, 1 used lead and feed screw lathe Make: Weiler Model: 160 B Year of manufacture: 1988 Technical specifications Centre distance: 650 mm Swing over bed: 320 mm Swing over cross slide: 192 mm Centre height: 160 mm Spindle bore: 40 mm Rated power: 2.4 / 3 kW Spindle speeds: 48 – 2500 rpm Dimensions: approx. L 2.20 x W 1.10 x H 1.40 m Hjlow Sdr Hjn S A Hnonp Weight: approx. 1 t Equipment Heidenhain digital readout Multifix toolholder with various inserts 3-jaw chuck Emergency stop

Condition: used, WEILER Commodor incl. 3-axis digital readout Heidenhain - 3-axis digital readout / Heidenhain - Center height: 180 mm - Swing diameter over bed: 330 mm - Distance between centers: 1000 mm - Spindle bore: 56 mm - Spindle speeds: 25–2000 rpm - Automatic longitudinal / cross feeds - Thread cutting / metric / imperial / module etc. - Multifix toolpost with inserts - Chuck guard - 2x emergency stop - Three-jaw chuck Hjln S Aey Dcppj Hnjnp - Chip guarding rear wall - Very well-maintained condition - Machine feet - Documentation Dimensions: LxWxH 2.3x1.2x1.6 m / Weight 1600 kg Errors and omissions excepted.

Condition: good (used), Year of construction: 1989, functionality: fully functional, machine/vehicle number: 1324, spindle bore: 42 mm, total length: 2,000 mm, total width: 1,000 mm, total height: 1,800 mm, spindle speed (max.): 2,800 rpm, spindle speed (min.): 22 rpm, overall weight: 1,500 kg, WEILER CONDOR B Lead and Feed Screw Lathe - Operating voltage: 380 V - Control voltage: 220 V - Connection: 3 kW - Rated current: 25 A Hjln S Aoyiztie Hnjnp - Frequency: 50 Hz - Centre distance: approx. 700 mm - Centre height over bed: 170 mm - Swing over bed: 340 mm - Centre height over cross slide: 100 mm - Swing over cross slide: 200 mm The machine is equipped with a tailstock, a Multifix tool holder, type B, as well as a 3-jaw chuck by RÖHM, diameter: 150 mm. Additionally, it features a digital readout by ELESTA, model: VISULESTA 4, including a matching workshop drawer cabinet with suitable accessories for the machine. FCA D-73235 Weilheim Teck – loaded onto truck

Condition: ready for operation (used), Year of construction: 1986, turning diameter over cross slide: 220 mm, spindle bore: 40 mm, turning diameter: 500 mm, center width: 750 mm, spindle speed (max.): 2,000 rpm, overall weight: 1,900 kg, 2-axis control Capacity: 750 x 500 mm 220 mm cross-slide travel Spindle bore: 40.5 mm Hnoln S Aszauf Te Hnop 3-jaw chuck Weight: 1900 kg

Condition: excellent (used), Year of construction: 1995, functionality: fully functional, Weiler Praktikant 160 AC Precision center lathe, 3-axis digital display, Weiler with AC drive, stepless speed control, CE marking!!!!! Technical data: Holn S Ajy Ulqwe Hnsnp >> Year of construction 1995, Machine No. 3820 >> Center height 160 mm >> Distance between centers 650 mm >> Spindle speeds: up to 3000 rpm, stepless >> Spindle bore 40 mm >> Short taper spindle head DIN 55027, size 5 with bayonet lock >> Tailstock MK 3 >> Feeds from 0.02 to 0.63 mm/rev >> Possible threads: metric, inch, module, and diametral pitch >> Metric thread pitches from 0.25 to 8 mm >> Weight approx. 1000 kg >> Spindle brake can be activated >> Machine dimensions approx. 1.4 m x 1.55 m x 0.95 m, length 1.6 m Accessories and equipment: >> 3-axis digital display Weiler >> Quick-change toolholder system with toolholders from 2 to 28 mm, in 1 mm increments >> 3-jaw chuck 160 mm, new, with 2 sets of jaws >> Mulifix size A with 3 steel holders >> Electronic chip guard >> Machine feet >> Splash guard >> Bed stop For safety: Electronic chip guard for the main spindle, cover for the lead and feed screw, brake motor, 2 emergency stop switches, electrical safety switch for the gearbox About the machine: Offered is a Weiler Praktikant AC center lathe with lead screw and feed screw, year of construction 1995, in very good condition. A very nice lathe with AC drive and stepless speed control of the main spindle. The slides all run very smoothly and evenly. Even at high speeds, the Weiler runs quietly. The Weiler has a CE marking. The machine comes from a training workshop. This newer generation of Weiler lathes is very user-friendly, and surfaces can be produced with a ground finish. The digital display makes working even easier and more precise. Take advantage of the opportunity to inspect this machine on-site while it is powered on and convince yourself of its condition.

Condition: good (used), Center height: 1,000 mm Distance between centers: 15,600 mm Maximum diameter allowed above the bed: 2,019 mm Maximum diameter allowed above the carriage: 1,625 mm Diameter of the faceplate: 1,800 mm Maximum clamping between chucks: 1,500 mm Maximum load: 75 tons Spindle motor power: 82 Approximate dimensions: Length = 21,570 mm, Width = 4,765 mm Accelerated carriage travel: 2,000 mm/min Metric thread possibilities: from 2 to 25 mm Maximum thread length: 800 mm Minimum distance from faceplate to tool: 2,000 mm Hnelnjzbt S Ij S A Hnep Accessories: 2 faceplates with a diameter of 1,100 mm on a traveling steady rest 2 steady rests, 150 to 450 mm 2 steady rests, 450 to 750 mm 2 steady rests, 750 to 1,000 mm (on a traveling steady rest) Videos available.

Condition: good (used), Year of construction: 1992, Centre lathe WEILER Type: PRAKTIKANT 160 B, Year of manufacture 1992, equipped with 3-axis digital readout Heidenhain, 160 mm RÖHM chuck, Multifix B tool holder, tailstock with centre, collet clamping device with collets from 1 to 29.5 mm, coolant system. Turning diameter over bed: 320 mm Turning diameter over cross slide: 198 mm Turning length: 650 mm Spindle bore: 40 mm Hjln S Asy Rpr Rj Hnonp Spindle speed: 96 – 2500 rpm Further data see machine card. Guideways are in good condition, machine documentation available.