Used Deckel Maho 50V for sale (1,088)

Condition: ready for operation (used), DMU 50V XYZ 500x380x380 Motor 15 kW 15000 RPM Table 800x480 Cgsdpfx Ansyyqu Sswet 24 tools Dimensions 2450x1800x2384 mm Weight 4000 kg Spindle new in 2026 Still in production

Condition: ready for operation (used), Year of construction: 1996, operating hours: 12,800 h, number of axes: 5, This 5-axis DECKEL MAHO DMU 50V was manufactured in 1996. It features a Millplus control system with software version DV400, an external hydraulic unit for clamping devices, and a Hainbuch hydraulic vise for BZI32 collet. If you are looking to get high-quality milling capabilities, consider the DECKEL MAHO DMU 50V machine we have for sale. Contact us for more information about this machine. Additional equipment • Hainbuch Hydraulic Vise for BZI32 Collet Machine Benefits Technical Machine Benefits • Machine is operated with a motor encoder due to c-axis encoder currently defective. • Internal cooling: 40 bar • External hydraulic unit for clamping devices • Counterholder on the rotary table • Rotary union on the table Csdpfx Anex U Tinswegt • Tool positions: 24 tool positions – 2 partially available (space is broken) • Measuring probe: renishaw – prepared Extra Information Machine still under power

Condition: used, Year of construction: 1998, x-travel 500 mm y-travel 420 mm z-travel 500 mm spindle taper SK 40 table surface area 700 x 400 mm table load capacity 800 kg control Heidenhain TNC 426 rated capacity 40 kVA voltage 400 V weight of the machine ca. 6,5 t dimensions of the machine ca. 3,4 x 3,7 x 2,9 m DECKEL-MAHO machining centres are suitable for manual and automatic operation. --> Area of application MILLING: --> DRILLING: --> Face milling --> Face countersinking --> Circular milling --> Circular drilling --> Screw milling --> Screw drilling --> Gear milling --> Profile drilling --> Profile milling --> Form drilling --> Form milling Cgjdpfx Answ Inrvswst --> Including vertical tool changer with double gripper --> Tool magazine, variable space coding (VPC): --> Number of tools: 20 --> Standard tool - max. Ø: 90 mm --> Special tool - max. Ø with free neighbouring spaces: 140 mm --> Max. tool length from spindle nose: 300 mm --> Max. tool weight: 12 kg

Condition: excellent (used), Year of construction: 1996, operating hours: 9,700 h, DMG Vertical Machining Center Model: DMU 50 V Year of manufacture: 1996 5 axis Travel X-axis: 500 mm Travel Y-axis: 380 mm Travel Z-axis: 380 mm Spindle taper: BT 40 Spindle speed : 8,000 rpm Tools in magazine: 24 piece Control: Deckel Maho Mill Plus Spindle hours: 9700 Cgsdpfx Ansyvzq Nowot Interface: RS-232 C 30 tool holders

Condition: excellent (used), Year of construction: 1997, Heidenhain Mill-Plus control system Travel ranges X/Y/Z: 500 x 380 x 380 mm Clamping surface: 500 x 400 mm Tool magazine for 24 tools, SK 40 Spindle speed: 8,000 rpm Cjdpfxeykuwwo Anwjgt NC rotary and tilting table Chip conveyor

Condition: good (used), Year of construction: 1996, machine/vehicle number: 54634, functionality: fully functional, operating hours: 51,997 h, power: 10 kW (13.60 HP), input voltage: 400 V, type of input current: three-phase, travel distance X-axis: 500 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 400 mm, workpiece weight (max.): 500 kg, total height: 2,400 mm, total length: 2,600 mm, total width: 1,800 mm, overall weight: 3,500 kg, feed rate X-axis: 6 m/min, feed rate Y-axis: 6 m/min, feed rate Z-axis: 6 m/min, mount diameter: 40 mm, rapid traverse Z-axis: 60 m/min, rapid traverse X-axis: 60 m/min, rapid traverse Y-axis: 60 m/min, spindle speed (max.): 15,000 rpm, spindle speed (min.): 10 rpm, Equipment: documentation/manual, 5-axis machining center, manufacturer: DECKEL MAHO, type: DMU 50 V, year of manufacture: 1996, operating hours (h): 51,977, serial no.: 054 634, travels (X/Y/Z): 500/380/380 mm, machine on 21,341, max. spindle speed 15,000 rpm, tool holder SK40, Heidenhain control, chip conveyor, 24-fold tool changer, compact filter system INTERLIT SK200-760, year of manufacture: 21,341, max. spindle speed 15,000 rpm, tool holder SK40, Heidenhain control, chip conveyor, 24-fold tool changer, compact filter system INTERLIT SK200-760, year of manufacture: 1996, tank capacity 600 l, filter area 0.2 m² Csdpsrkzyasfx Anwegt

Condition: good (used), Year of construction: 2000, Hello I have for sale a 5 axis CNC milling center DECKEL MAHO DMU 50 V evolution. The machine is connected and working. _ Type: 5 axis milling center Manufacturer: DMG DECKEL MAHO Model: DMU 50 V evolution Cedpfxett Ntfs Anwsgt Control: HEIDENHAIN TNC430 Country of manufacture: Germany Year of manufacture: 2000 _ Machine parameters: - number of axes: 5 - working table dimensions (length x width): 500 x 380 mm - maximum spindle speed: 18,000 rpm - spindle power: 15 kW - X/Y/Z axis travel: 500/420/380 mm - C/B axis travel: 180/360 degrees - maximum feed rate: 20 m/min - total power: 40 kVa - machine dimensions (L x W x H): 2800 x 2300 x 2600 mm - total weight: 6000 kg

Condition: defective spare-parts repository (used), Year of construction: 2005, operating hours: 38,534 h, functionality: not functional, machine/vehicle number: 29310001024, travel distance X-axis: 750 mm, travel distance Y-axis: 600 mm, travel distance Z-axis: 560 mm, controller model: Heidenhain iTNC530, rotational speed (max.): 18,000 rpm, No reserve price – guaranteed sale to the highest bidder! TECHNICAL DETAILS Travel X-axis: 750 mm Travel Y-axis: 600 mm Travel Z-axis: 560 mm Worktable size: 950 x 650 mm Table load: 1,000 kg Spindle speed: 18,000 rpm Number of axes: 3 Tool changer: 30 positions Cgsdpfxoy Ib H Is Anwot Tool holder: HSK63 MACHINE DETAILS CNC control: Heidenhain iTNC530 Dimensions & Weight Dimensions (L x W x H): 3,500 x 3,000 x 3,200 mm Transport dimensions (L x W x H): 3,500 x 3,000 x 3,200 mm Weight: 10.2 t Operating hours Spindle hours: 38,534 h Operating hours: 98,381 h Note: DMG has measured the clamping force on the machine, which is so low that there is a risk of the tool falling out. The machine has suffered spindle damage. There are various leaks, for example at the chip conveyor or in the door area.

Condition: defective spare-parts repository (used), Year of construction: 2003, operating hours: 30,434 h, functionality: not functional, machine/vehicle number: 1114 000402 3, travel distance X-axis: 1,060 mm, travel distance Y-axis: 710 mm, travel distance Z-axis: 710 mm, controller model: Heidenhain iTNC530, rotational speed (max.): 10,000 rpm, No minimum price – guaranteed sale to the highest bidder! TECHNICAL DETAILS X-axis travel: 1,060 mm Y-axis travel: 710 mm Z-axis travel: 710 mm Working area: Ø800 NC rotary table Spindle speed: 10,000 rpm Number of axes: 5 Tool changer: 30 stations Tool holder: HSK63 MACHINE DETAILS Control: iTNC530 Cgjdsy Ib A Nspfx Anwot Dimensions & Weight Machine dimensions (L x W x H): 4,080 x 4,490 x 3,117.5 mm Transport dimensions (L x W x H): 3,500 x 2,500 x 2,410 mm Weight: 9.7 t Operating hours Spindle hours: 30,434 h Operating hours: 66,001 h Note: The machine temperature rises immediately, and in the past there has even been smoke. The machine has spindle damage. Various cable insulations are worn.

Condition: ready for operation (used), Year of construction: 2007, operating hours: 20,082 h, travel distance X-axis: 700 mm, travel distance Y-axis: 800 mm, travel distance Z-axis: 800 mm, controller manufacturer: SIEMENS, controller model: 840D, spindle speed (max.): 10,000 rpm, number of axes: 4, This 4-axis DECKEL MAHO DMC 70 H duoblock was manufactured in 2007. It features a Siemens 840D control unit and a robust tool holder type of SK40. The machine is equipped with hydraulically clamped clamping towers, ensuring secure workpiece handling. If you are looking to get high-quality machining capabilities, consider the DECKEL MAHO DMC 70 H duoblock horizontal machining centre we have for sale. Contact us for further details. • Apparent power: 60 kVA • Nominal current (max): 86 A • Fuse protection: 100 A Cgsdjy Ndibopfx Anwot • Voltage: 400 V • Frequency: 50 Hz • Control voltage: 24 V Additional equipment • 2 hydraulically clamped clamping towers (workholding) Technical Specification Taper Size SK 40

Condition: good (used), Year of construction: 1995, operating hours: 28,099 h, functionality: fully functional, machine/vehicle number: 662280, travel distance X-axis: 500 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 400 mm, controller manufacturer: DECKEL MAHO, controller model: CNC 425, total height: 2,000 mm, total length: 3,000 mm, total width: 2,400 mm, table width: 480 mm, table length: 900 mm, overall weight: 2,000 kg, number of slots in tool magazine: 16, mount diameter: 40 mm, input voltage: 400 V, power: 20 kW (27.19 HP), input frequency: 50 Hz, input current: 50 A, DECKEL MAHO MH 600 B CNC Vertical Machining Center - Tool holder: SK 40 - Table with 7 T-slots - Including rotary table from manufacturer WALTER, type: TANIP125NEG, year of manufacture: 2010 Notice: The item must be collected on a binding date between 24.08. and 27.08.2026 at a time to be mutually agreed. Cgsdpfx Asy I Tgysnwst FCA D-61352 Bad Homburg – loaded on truck

Condition: excellent (used), Year of construction: 2008, Vertical machining center Deckel Maho DMF 220 Linear Year of manufacture: 2008 Control: Siemens 840 D Technical specifications: CNC control: Siemens Sinumerik 840D Number of axes: 3 X-axis travel: 2,200 mm Cgsdpey Nbbzsfx Anwjt Y-axis travel: 560 mm Z-axis travel: 720 mm Max. clamping height: 600 mm Table size (LxW): 2,600 x 600 mm Max. table load: 2,200 kg Guideway type: Linear guide Max. power: 35 kW Tool holder: SK40 Tool magazine capacity: 60 Tool change time: 9.6 s The machine was in active serial production until recently and was predominantly used for machining steel and aluminum. Equipment: ⦁ Partition wall for setup time optimization (parallel machining / setup in one cabin half) ⦁ Conveyor belt filter system for coolant processing ⦁ Automatic tool changer ⦁ Generous working area for complex components

Condition: used, Year of construction: 2012, x-travel 635 mm y-travel 510 mm z-travel 460 mm table surface area 790 x 560 mm spindle taper SK 40 spindle turning speed - stepless 20 - 12.000 U/min spindle drive 13 kW max. torque on the spindle 83 Nm feeds x/y/z -stepless bis 20.000 mm/min rapid traverse 30 m/min ATC 20 Pos. Cgsdpfex Nqu Dex Anwst tool diameter if 2 vacant positions 130 mm tool diametre at full load 80 mm tool length - max. 300 mm weight of tools max. 6 kg internal coolant system feed 12 bar control HEIDENHAIN, TNC 620 total power requirement 17 kVA weight of the machine ca. 3,9 t dimensions of machine L x W x H 3,0 x 1,92 x 2,35 m Accessories: electron. hand panel, chip conveyor,coolant

Condition: ready for operation (used), Year of construction: 2005, spindle speed (max.): 6,300 rpm, total height: 2,750 mm, overall weight: 10,200 kg, travel distance X-axis: 800 mm, travel distance Y-axis: 700 mm, travel distance Z-axis: 600 mm, controller manufacturer: HEIDENHAIN, controller model: iTNC 530, spindle motor power: 16,000 W, product length (max.): 6,600 mm, table load: 600 kg, number of axes: 5, This 5-axis DECKEL MAHO DMU 80P hi-dyn was manufactured in 2005. It features impressive travels of 800 mm in X, 700 mm in Y, and 600 mm in Z. The machine is equipped with a Heidenhain iTNC 530 control and a maximum spindle speed of 6,300 rpm. If you are looking to get high-quality machining capabilities, consider the DECKEL MAHO DMU 80P hi-dyn universal machining centre we have for sale. Contact us for further details. • Spindle torque: 475 Nm (40% DC) • Tool changer: 60 positions (chain magazine) Csdpfxsy I Aqus Anwogt • Rapid traverse (X/Y/Z): 50 m/min • Feed rate (X/Y/Z): 50,000 mm/min • Table: NC swivel rotary table (d 630 mm) • Swivel range: -45° to +30° • Cooling: 40 bar internal coolant supply (IKZ) through spindle center • Power consumption: 50 kVA • Defect: Transmission damage Additional equipment • Chip conveyor: Scraper belt type, discharge height 956 mm Technical Specification Taper Size SK 40

Condition: ready for operation (used), Year of construction: 1996, operating hours: 23,198 h, controller model: Millplus V400, number of axes: 3, This 3-axis DECKEL MAHO DMU 60T was manufactured in 1996. It features a 24-position tool changer, an NC rotary table, and a spindle speed up to 6300 rpm. The working areas are 600 mm in length, 525 mm in width, and 500 mm in height. It includes a coolant system with a 150-liter capacity. Consider the opportunity to buy this DECKEL MAHO DMU 60T vertical machining centre. Contact us for more information about this machine. Cjdjy Iwnuepfx Anwjgt Control & Electrical • Control: Millplus V400 • Screen: Color, text in German/English • Operating Voltage: 400 V, 50 Hz • Control Voltage: 24 V • Drive: Digital with overload protectionSpindle & Tooling • Spindle: With quill • Maximum Spindle Speed: 6,300 rpm (speed range with gearbox: 20–6,300 rpm) • Tool Holder: ISO 40 – DIN 69871 • Pull Stud: DIN 69872 Form A • Tool Changer: 24–25 tool positionsWorking Area & Movement • Longitudinal (X) Travel: 600 mm • Cross (Y) Travel: 525 mm • Vertical (Z) Travel: 500 mm • Rapid Traverse X/Y/Z: 18 m/min • Feed Rate: Up to 10,000 mm/min • NC Rotary Table: 3-axis on fixed tableCooling & Accessories • Coolant System Capacity: 150 L • Full Enclosure: Yes • Paint: Gray / Green (NCS)Documentation • 2 sets, GermanThe machine has a 4-axis C-axis (dividing head)

Condition: used, Year of construction: 2003, operating hours: 64,930 h, functionality: fully functional, travel distance X-axis: 630 mm, travel distance Y-axis: 560 mm, travel distance Z-axis: 560 mm, controller manufacturer: Heidenhain, controller model: iTNC 530, table load: 400 kg, rotational speed (max.): 12,000 rpm, Required space: approx. 3.5 x 2.5 x 2.5 m (L x W x H, without chip conveyor) Machine weight: approx. 6,300 kg Cgedpfx Anoy Ncnpewot

Condition: good (used), Clamping table, clamping angle, T-slot table, rotary table, milling machine table -Manufacturer: Deckel MAHO, milling machine table T-slot table from CNC machining center -Table surface: Ø 800 mm Cgjdpfxey H Itlo Anwjt -T slots: Slot width 14 mm, slot spacing 63 mm -Transport dimensions: 800/800/H300 mm -Weight: 355 kg

Condition: excellent (used), Year of construction: 2005, functionality: fully functional, Equipment: chip conveyor, documentation/manual, rotational speed infinitely variable, Deckel Maho Machining Center 5-Axis Simultaneous Machining Model DMU 50 Evo Linear Cjdpfsy Hqviex Anwegt Year 2005 CNC Heidenhain iTNC 530

Condition: ready for operation (used), Year of construction: 2009, travel distance X-axis: 750 mm, travel distance Y-axis: 600 mm, travel distance Z-axis: 520 mm, controller manufacturer: SIEMENS, spindle speed (max.): 24,000 rpm, spindle motor power: 35,000 W, number of axes: 5, This 5-axis DMG DECKEL MAHO DMU 70 EVO Linear was manufactured in 2009. It features a working area with X-axis travel of 750 mm, Y-axis travel of 600 mm, and Z-axis travel of 520 mm. The machine is equipped with a high-speed spindle capable of reaching 24,000 rpm and a tool magazine with a capacity of 120 positions. It includes a DMG PH 150 L8 automation. If you are looking to get high-quality machining capabilities, consider the DMG DECKEL MAHO DMU 70 EVO Linear machine we have for sale. Contact us for further details. • Feed rates: linear 20,000 mm/min; rapid traverse 50,000 mm/min • Table: clamping surface 700 × 500 mm • Tool magazine: 120 positions • Through-spindle coolant: high-pressure 40 bar • Documentation: instruction manuals and CE declaration Csdpfx Ajymcvmonwsgt Additional equipment • Coolant tank with paper filter, 600 L • Measuring probe • Chip conveyor • Electronic handwheel (remote) • Pallet changer system DMG PH 150 L8, 8 stations (pallets not included) Technical Specification Taper Size HSK 63

Condition: good (used), Year of construction: 2006, TECHNICAL DATA Main drive Speed: Infinitely programmable: 18`000 rpm In set-up mode: 20 - 800 rpm Work spindle: Hollow shank taper: HSK-A63 Tool clamping: Hydraulic Feed drive Linear motor: X-axis AC servomotors: C, B, Y, Z Feed speed X, Y, Z: Up to 20`000 mm/min Rapid traverse Y, Z: 50 m/min X: 80 m/min B: 40 rpm C: 50 rpm Position measuring system Resolution: C, B, X, Y, Z: 0.001 mm Position tolerance: C, B, X, Y, Z: 0.010 mm Working range X-axis: 500 mm Y-axis: 450 mm Z-axis: 400 mm B-axis: 0° to 161.955 ° C-axis: n x 360 ° Tool changer with double gripper Magazine slots: 120 Max. Tool diameter without free spaces: 80 Max. Tool diameter with free spaces: 130 Max. Tool length from spindle nose: 300 mm Max. Tool weight: 6 kg NC rotary table with swivel axis C-axis: Clamping surface rotary axis (mm): 500 x 380 mm Distance of T-slots / size: 63 / 14 H7 Centering bore: 30 H6 Max. Torque: 1491 Nm Max. Rotation of the table top: 50 rpm B-axis: Max. Swivel torque: 1864 Nm Swivel speed: 40 rpm Swivel range: 0° - 161.955 ° Input and display precision: 0.001 ° Weight: 420 kg Max. load: 200 kg Weight: Approx. 6800 kg Installation weight: Approx. 7500 kg Dimensions: 4170 x 3133 x 2560 mm Cedou Hkb Rspfx Anwsgt SCOPE OF OFFER U.A: (list not exhaustive): Deckel Maho DMU 50 Evo CNC machining center Heidenhain iTNC 530 Tool breakage control Blum measuring probe Oil mist separator Fire extinguishing system High-pressure pump and belt filter system Chip conveyor Exact scope of supply according to photo gallery We assume no liability for the accuracy, completeness and up-to-dateness of the information provided

Condition: like new (used), Year of construction: 2010, operating hours: 32,498 h, travel distance X-axis: 500 mm, travel distance Y-axis: 450 mm, travel distance Z-axis: 400 mm, nominal power (apparent): 35 kVA, controller manufacturer: Heidenhain iTNC 530, workpiece width (max.): 500 mm, workpiece diameter (max.): 630 mm, workpiece weight (max.): 200 kg, total height: 2,590 mm, total length: 4,780 mm, total width: 4,410 mm, overall weight: 5,900 kg, spindle speed (min.): 18,000 rpm, spindle motor power: 35,000 W, Year of construction: 2010 CNC controller: Heidenhain iTNC 530 Axes X-axis travel mm: 500 Y-axis travel mm: 450 Z-axis travel mm: 400 C-axis degrees: 360º (0,001) B-axis degrees: 0º/108º (0,001) Rapid traverse m/min: 80/50/50 Milling/turning table nc: Table dimensions mm: Ø390 Maximum workpiece size (D x H) mm: Ø630x500 Max. workpiece weight kg: 200 Spindle Spindle speed rpm: 18000 Spindle drive power kW: 35/25 (40%ED/cont) Spindle torque Nm: 130/87 Tool system Tool holder: HSK-A 63 Tool magazine slots: 30 With free neighboring places mm: 130 With occupied neighboring places mm: 80 Max. Tool Length mm: 300 Chip-to-chip time s: 5 Equipment Chip conveyor Infrared probe Rinsing gun blowing air through spindle center selectable via M-function Signal lamp Laser tool measurement for measuring tool length and diameter Programmable coolant nozzles Heat compensator Direct measuring system XYZ Cgedpsyi Dnisfx Anwjt Electrical cabinet active cooling unit Oil skimmer RENISHAW Measuring probe Automatic door Machine running times Under power: 54257 Spindle Working: 32498 Rated power kVA: 48 Basic machine dimensions / weight Length mm: 4780 Width mm: 4410 Height mm: 2590 Weight kg: 5900

Condition: reconditioned (used), Year of construction: 2001, functionality: fully functional, Universal Milling & Drilling Machine DECKEL MAHO DMU 50 M Equipped with Heidenhain TNC 310 control Year of manufacture: 2001 Travel paths: X 500, Y 400, Z 400 mm Speed range: 20 – 4,500 rpm, infinitely variable Includes the following accessories: Manual swivel rotary table with digital display for C + B axes Clamping surface: 700 mm x 500 mm Electronic handwheel for X, Y, Z axes Splash guard enclosure Machine lamp 4 adjustable-height machine feet Cgedpoy Id Stjfx Anwot Coolant system Operating manual

Condition: used, Year of construction: 2008, functionality: fully functional, travel distance X-axis: 635 mm, travel distance Y-axis: 510 mm, travel distance Z-axis: 460 mm, rapid traverse X-axis: 30 m/min, rapid traverse Y-axis: 30 m/min, rapid traverse Z-axis: 30 m/min, controller manufacturer: Heidenhain, controller model: iTNC530, workpiece weight (max.): 600 kg, total height: 2,665 mm, total length: 2,440 mm, total width: 1,900 mm, table width: 790 mm, table length: 560 mm, table load: 600 kg, overall weight: 4,200 kg, spindle speed (min.): 20 rpm, spindle speed (max.): 10,000 rpm, operating hours of spindle: 6,651 h, coolant supply: 20 bar, spindle nose: SK40 (DIN69871), number of slots in tool magazine: 20, Equipment: chip conveyor, documentation/manual, rotational speed infinitely variable, A very well-equipped DMG Deckel Maho DMC 635 V with relatively low spindle hours. The machine is connected to power and can be seen in operation by appointment. Additional options & accessories: - Operation mode 4 - Internal cooling – 20 bar - Band filter system – 600L Csdpfx Aoy E N Dconwsgt - Chip conveyor - Electronic handwheel - Original accordion cabin roof - Rinsing pistol - Approx. 30 pcs. SK40 tool holders (incl. 3D probe) - All original documentation Weight & dimensions: 4,200 kg 2440 (3500 incl. PLC) x 1900 x 2665 mm (LxWxH)

Condition: ready for operation (used), Year of construction: 2001, travel distance X-axis: 630 mm, travel distance Y-axis: 560 mm, travel distance Z-axis: 560 mm, controller manufacturer: HEIDENHAIN, spindle speed (max.): 12,000 rpm, number of axes: 5, This 5-axis DECKEL MAHO DMU 60T was manufactured in 2001. It features an X-axis travel of 630 mm, Y-axis travel of 560 mm, and Z-axis travel of 560 mm. The machine includes a table size of 1000 x 600 mm and a tool magazine with 2x12 positions. If you are looking to get high-quality machining capabilities, consider the DECKEL MAHO DMU 60T vertical machining centre we have for sale. Contact us for further details. Cgedpfey Hktbsx Anwot • Table size: 1000 x 600 mm • Tool magazine: 2x12 positions • Under power and well maintained machine. Technical Specification Taper Size SK 40

Condition: good (used), Year of construction: 1996, travel distance X-axis: 600 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 400 mm, Travel distances: X= 600, Y= 400, Z= 400 mm Table size: 900 x 480 mm Cedpfx Aey Eyfwenwegt Spindle speed: 40 - 4,000 rpm Dimensions LxWxH: 2500 x 2200 x 2200 mm Weight: approx. 3,000 kg