X4³ MkII

Yacht Summary

  • Manufacturer: X-Yachts
  • Model: X4³ MkII
  • Build Number: 138
  • Build Year: 2023
  • Lying: Port Grimaud, France
  • Price: Price on application.
  • Contact: Nanno Schuttrups
X4³ MkII

Price on request

X4.3 with all the options like coppercoat, furlerboom, heater, spinnakerboom, electrical code 0 furler in 2-cabin version lay-out.
Delivery from September 2024.

Standard Specification

DesignerX-Yachts Design Team
Hull Length12.67 m41'7"
Waterline Length11.33 m37'2"
Beam (max)3.99 m13'1"
Draft2.20 m7'3"
Ballast - Std3,700 kg8,157 lbs
Displacement - Light9,400 kg20,723 lbs
Engine Power33 kW45 hp
Fuel Tank - Std200 ltr53 gal (US)
Water Tank - Std340 ltr90 gal (US)

Standard X4³ MkII brochure


Exterior Details


  • Hull is vacuum epoxy infused, sandwich construction with structural fiberglass
  • Steel girder frame for the keel
  • Keel is a lead bulb underneath a steel fin, and is fully encapsulated in glassfibre/
  • epoxy poured into a mould for perfect shape and finish
  • White hull (RAL 9010) with light grey stripes (RAL 7035)
  • Transom door with flexiteek on top
  • Coppercoat bottom treatment from yard
  • 3-blade folding propellor
  • Retractable bowthruster MaxPower
  • Stainless steel chafe strip along hull


  • Flexiteek on side decks, on coachroof and in cockpit with grey caulking
  • Carbon fiber bowsprit
  • Large dry saillocker in bow boat
  • Anchor locker with electrical anchor winch and chain counter
  • 16kg Delta anchor with 50m anchor chain
  • Additional mooring cleats midships
  • Gates in lifelines midships
  • 2x Harken Performa 46 halyard winches
  • Port side halyard winch is electric
  • Additional control buttons for halyard winch at SB steering wheel console
  • 2x Harken Performa 50 genoa winches
  • 2x Harken Performa 46 mainsheet winches
  • Starboard side mainsheet winch is electric
  • Facnor electrical code 0 furler with control at the SB steering wheel console
  • Deck lay-out package for gennaker (sheets, blocks, tackline)
  • Sprayhood, foldable into recess in deck
  • Bimini above steering wheels
  • Cockpit shower
  • Custom made cockpit table in teak on aluminium legs
  • Black composite steering wheels
  • Medium consoles at steering wheels (for plotter and instruments)
  • White LED courtesy lights in steering wheel consoles and bathing platform
  • Sea water deck wash pump with outlet in coclpit


  • All Quantum Sails:
  • Mainsail:
  • - in Fusion M6
  • - full-batten
  • - 2 reefs
  • Furling jib 106%
  • - in Fusion M6
  • - UV-cover on leech
  • - reefing strengthening on luff
  • AWA60 cableless code zero
  • - on electrial Facnor furler
  • Furling jib cover
  • Steering wheel/console covers
  • Cockpit table cover

Mast & Rigging

  • Aluminium mast by John Mast
  • Rod rigging as standard for all standing rigging
  • Hydraulic backstay adjuster
  • Furlex genoa furling system
  • All halyards and sheets in dyneema
  • Combined LED 3-colour/anchor light in top of mast
  • Combined LED deck/steaming light on forward face of mast
  • VHF antenna in top of mast
  • Furlerboom V-shape in-boom furling system with cockpit light in white and red, including boom lift halyard
  • Integrated boom cover for Furlerboom
  • 2x LED light in spreaders
  • Carbonfiber telescopic spinnakerboom on rail on the mast, including topping lift halyard
  • Extra spinnaker halyard



  • 2-cabin/1-heads lay-out
  • Full interior crafted with selected Nordic Oak veneer
  • OceanAir curtain system for all hatches and coachroof windows (incl. hull windows)
  • Additional LED downlighting below cabinets in saloon
  • Spring mattrasses in forward cabin
  • Additonal cabinet sections along hull in forward cabin
  • Teak floor in heads
  • Electrical toilet QuietFlush with option to flush with tank or outside water
  • 3-burner stove with oven in galley
  • Wood veneer finish of lower sliding cabinets in galley
  • Additional shelf in forward upper galley cabinet
  • Additional refrigerator (front-loading) in galley with freeze compartment
  • Eberspächer heater system



  • 3x 110Ah GEL battery
  • Upgrade to combi charger/inverter 12V/2000W/80A
  • Victron Color Control GX display with shunt for monitoring battery status
  • Solar panel removable, with connection at the mast
  • Additonal sockets: 6x 230V, 4x double USB, 1x 12v outside


  • B&G Triton2 package, consisting of:
  • - 2x Triton2 display
  • - ZG100 GPS antenna
  • - transducers for speed, depth and wind
  • 5x extra Triton2 display (total of 5 mounted in console above sliding hatch, further 2 in console at port side steering wheel)
  • B&G autopilot:
  • - NAC-3 pilot computer
  • - Precision9 electronic compass
  • - 1x Triton2 control panel in console at steering port side steering wheel
  • - linear drive mounted on rudder quadrant
  • B&G Zeus3S 9" GPS/plotter in console at SB steering wheel
  • B&G V100-B VHF with AIS transducer incl. GPS-500 antenna
  • B&G H60 wireless VHF handset in cockpit
  • Compass on bracket under cockpittable

Additional Information

  • Composite gangway by Carbonautica
  • SeaGo 3-in1 rescue module