Brokerage - Demo Boat

X4³ MkII

Yacht Summary

X4³ MkII

Demo Boat

X43 Option 1 - 3-cabins, 2 heads with white Corian galley worktop, fixed aft facing nav table station, foldable saloon table with centre box and with Nordic Oak veneer throughout the yacht. According to specification of June 2021

Delivery could be in 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


  • KEEL STRUCTURE - Heat galvanized steel keel frame improves strength, enables central lift hoist attachment & safety
  • Hull Colour - 'Pure White' (RAL 9010) & 3 x 'Black Grey' integrated GELCOAT Water Lines (RAL 7021)
  • Large Hull Portlights in grey tinted laminated toughened glass (6 in total)
  • Bathing Platform (TEAK) - Foldable with mechanical hoisting system and attachment point for separate bathing ladder. Teak on platform.
  • Hull Treatment - 3 x layers of sprayed epoxy primer & 2 x layers of White Hempel Mille NCT Antifouling
  • Gunwale Protection - Stainless Steel rail protection mounted along sheer line


  • Teak on cockpit floor and seats - Vacuum applied, 9mm nominal thickness with black caulking
  • Teak on Side Decks - Vacuum applied, 9mm nominal thickness with black caulking
  • Teak on Coachroof - Vacuum applied, 9mm nominal thickness with black caulking
  • Demountable cockpit table - with two hinged leaves, resting on two stainless steel rectangular legs, securely bolted with 4 bolts to cockpit floor
  • Pedestal options for instrumentation at wheel:
  • Composite Steering Wheels - 2 x Carbonautica black composite wheels with varnished teak instead of stainless steel wheels 3.570
  • New Medium mount - 2 x pedestal platforms with stainless steel grab rail, mounted on top of pedestal with space for optional autopilot, 9 inch plotter, thruster(s) controls and electrical throttle. Colour matching pedestals RAL 9010

Sail Handling

  • Larger Genoa Winches - 2 x Harken Performa 50.2 STP Manual two-speed self-tailing winches, on coaming - up price
  • Mainsheet Winches - 2 x Harken Performa 46.2 STP two-speed self-tailing winches, on coaming
  • Halyard Winches - 2 x Harken Performa 40.2 STP two-speed self-tailing winches, on coachroof
  • Electric Port Halyard Winch - 1 x Harken Performa 46.2 STEPH two-speed self-tailing winch, on Port coachroof & control buttons on SB Pedtal- up price
  • Genoa Car Control Lines - 4:1 to cockpit cam cleat
  • "Sail Handling Pack 1:
  • 1. Asymmetric spinnaker equipment including; 2 x Dyneema / Spectra sheets, 2 x gennaker blocks, 2 x foot blocks, 2 x cleats for ""parking"" the sheets and 2 x Wichard shackles mounted incl. 1:1 asymmetric tack line and tack block
  • 2. Outboard sheeting pad eyes mounted"


  • Elvstrøm Sails In-boom Furling Mainsail - EPEX®, 55 m² grey Double taffeta, Technora Black (DEN 04), 22000 dpi, 5 full battens, 2 reefs, sail No, class insignia, tell tales, By 2023
  • Elvstrøm Sails Furling Jib 106 % - EPEX®, 43 m² grey Double taffeta, Technora Black (DEN 04), 22000 dpi, 4 vertical battens, UV-acryl (on leech and foot), E-flex®, tell tales window, By 2022
  • Elvstrøm Gennaker - G2 – MH, 169 m² Trioptimal, Contender Superkote incl. Oxley snuffer for easy launch and recovery with X Logo - Sail is from 2020
  • Elvstrøm Code 0 (ORC 55%) 92 m² Code Zero, FilmOnFIlm, 8000dpi Technora Black, sail number,Hi Modulus luff rope and Bartels FE IV-P furler, By 2022
  • Intergreated Boomcover for Furlerboom

Mast & Rigging

  • Fractional Double spreader rig
  • Tapered silver anodised mast
  • Stainless Steel headstay chainplate
  • Stainless Steel bulwark recessed chainplates for shrouds
  • Permanent central backstay with integral hydraulic adjuster
  • LED Steaming Light
  • LED Steaming Light combined with LED deck flood light - up price
  • LED Tricolour & Anchor Light fitted at mast head
  • V-Furling Boom - 'Furler Boom T-18' infusion moulded monocoque glasfibre with carbon mandrel included. Spring loaded vang, boom lift/pasarella halyard, painted in grey to suit colour of standard anodised mast.
  • Bomudhal for Furlerboom
  • Intercrated Boomcover for Furlingboom
  • Standard with furling Furlex headstay with an under deck drum. Furling line led back to cockpit for easy handling
  • Discontinuous rod Rigging with tip cups incl. Racing Rod turnbuckels for V1's and D1's
  • Halyards in Dyneema SK78 - much reduced stretch less than polyester halyards
  • Code 0 Halyard - Dyneema SK99, 10mm, including mast block and large Spinlock halyard jammer (2:1) (Note: exclude option for extra spinnaker halyard 1:1)


  • Standard Keel - 2.2m 'T' keel consists of antimony hardened lead T-bulb bolted and glued to cast iron fin for high strength, low centre of gravity for comfortable sailing performance. The Keel is totally encapsulated in three layers of CSM E-glass with epoxy for protection, perfect wing shape and maximum lift and height by sailing. The keel is securely bolted to the structural steel keel frame with stainless steel bolts for maximum safety and integrated central hoist

Hatches / Portlights / Ventilation / Sprayhood

  • Flush Deck Hatches - 9 pcs: GRP hatch above anchor locker and sail compartment plus 8 frameless hatches - see deck layout for details
  • Port lights - 7 x openable coachroof port lights: 2 x openable coachroof port lights per side on outside coachroof for added ventilation in main cabin and in aft head, 1 for each aft cabin facing cockpit and 1 for each integrated in outside coaming stripe of glass, for added ventilation and light
  • Sprayhood storage - Self draining recess for optional sprayhood to be stored in the deck.
  • "Sprayhood black- canvas with sturdy stainless steel framework.
  • "
  • Cockpit Tent in Light black- Canvas with removable side panels (attaches to sprayhood to enclose forward cockpit) - including Bimini function by removing side panels

Guard rail / Anchor / Stainless Steel Fittings

  • Electric Anchor Windlass - with 25 m of 8 mm calibrated galvanised anchor chain
  • Anchor - 16 kg Delta galvanised anchor
  • Anchor Chain Upgrade - 50 m of 8 mm calibrated galvanised anchor chain (up price)
  • Second Windlass Remote & chain Counter - with Quick chain counter, mounted ion st pedstal
  • Mooring Cleats Amidships - 2 x Stainless steel cleats mounted amidships
  • White Painted Carbon Fibre Bow Sprit - White Painted Carbon fibre bow sprit for asymmetric spinnaker and code 0 pad eye integrated into the innovative S-bow design (accommodates the standard removable stainless steel anchor roller)
  • Boarding Gates in Guardrails - for standard lifelines on both sides with champfer rails on bulwalk (3 per side)
  • Bow Boarding Ladder - Stainless steel ladder with support rail between end of bowsprit to pullpit to help safe boarding


  • Nordic Oak veneer - all wooden surfaces.
  • Teak Laminate Floorboards - Floorboards in imitated teak laminate.
  • "Blinds for owners -
  • Ocean Air Skyscreen Blinds including flyscreen and blackout blinds for small skylights;
  • Forward facing coachroof portlight and hull portlights fitted with blackout blinds; "
  • "Blinds for aft cabins -
  • Ocean Air Skyscreen Blinds including flyscreen and blackout blinds for small skylights in aft cabins;
  • Hull portlights, portlight in cockpit coaming and portlight facing cockpit in aft cabins are fitted with push button blinds;"
  • Ocean Air Skyscreen Pleated Blinds - flyscreen and blackout blind for main double saloon hatch (1450 x 500mm) & SKYSOL Classic blind for hull window in saloon - 1 set


  • Double berth - with hinged gas strut supported top access and drawers underneath. Shelves next to berth and accessory shelf on headboard.
  • Spring Mattress - spring mattress in Owner's Cabin upgrading standard cold foam mattress
  • Owner's cabin upper cupboards - Upper cupboards with bottom hindged doors fitted on freeboads above the berth


  • Long sofa - Long sofa situated in starboard side with longitudinal backrest
  • Main cabin dining table - table without table/drinks box below. Has top surface of wooden veneer with longitudinally grain direction
  • Main cabin upper cupboards - Upper cupboards with bottom hinged doors fitted on freeboards
  • Stainless steel Handrails - handrails in stainless steel, with stainless steel spacers inside the coachroof on each side
  • Upgrade to Laminated Handrails - handrails in laminated oak, with stainless steel spacers inside the coachroof on each side - up price


  • Coolbox - 90 litre toploaded insulated & watercooled Danfoss / Secom compressor & Isotherm accumulator plate
  • White Corian - White Corian worktops in galley
  • Corian removable worktop over oven for additional worktop surface - colour white or black matching galley worktops
  • ENO 3 Burner Oven & Grill - ENO, gimballed 3 burner hob, oven & grill
  • Fridge Front Opening - 65 litre with ice cube compartment, front opened with ASU start-up technology, positioned under sink
  • 2 addition shelves in upper cupboards in galley
  • Gas Detector Alarm


  • Standard heads - with manual pump toilets - aft
  • Electric Toilet - 12V electric, quiet flush toilet (regular size) - Owners

Aft cabins

  • Double berth - with a shelf on the freeboard above the berth per aft cabin
  • "Sea Berth - Freeboard hung sea berth (port aft cabin only)
  • Note: To chose between upper cupboard or sea berth."
  • "Sea Berth - Freeboard hung sea berth (SB aft cabin only)
  • Note: To chose between upper cupboard or sea berth."



  • Yanmar 57 HP Upgrade - Yanmar 4JH57 (42 kW) common rail diesel engine incl. 2-blade folding propeller
  • 3-Blade Folding Propeller - Flex-O-Fold 3-blade Ø 18" folding propeller for 57 HP engine


  • Pressurised hot & cold water system - with freshwater tank, 340 litres located in port side sofa in main cabin, 24 litre hotwater tank located in engine compartment. Deck Shower located in aft cockpit
  • Holding Tanks - 55 litre, Polyethylene holding tank per toilet (2 in total). Emptying by seacock or deck suction
  • Seawater Combined Deck rinse and seawater tap - with electric pump fitted in anchor locker, and in galley.
  • Heating system - Eberspächer Airtronic 3 D6L with 5 outlets in saloon, owner's cabin, fwd head and both aft cabins (3- cabin version)


  • LED Interior Lighting - LED lighting throughout the yacht
  • Shore Power Installation - 30A Battery charger & 2 x 12V 110Ah GEL Batteries. Separate engine start battery
  • LED Interior Lighting - LED lighting throughout the yacht
  • Socket package, 230V AC & 12V USB & 12V outside socket: 230V- mounted one in galley, one in each cabin and one in each head & USB Double socket - mounted in each cabin and at nav station & 12V outside - in cockpit near helm station
  • Battery Charger Upgrade - 50A Battery charger
  • Galvanic Isolator - 30 Amp load capacity, mounted in series with earth wire of shore power socket (to prevent stray current corrosion) - 220V
  • Ambient LED lighting pack
  • A)     Between coachroof tops' vinyl panelling and coachroof side, and
  • B)     Ambient light is fitted below upper cupboards with dimmer function


  • Raymarine pack I (Axiom+ 7")
  • 2 x Axiom+ 7" touchscreen with integrated GPS antenna. Note: Mounted in garage above sliding hatch (max 2) or instrument box at wheel - Please select from option list
  • 1 x i70s instrument. Note: Mounted in port aft face of cockpit coaming (Xp), centre cockpit console (Xc & X) or above sliding hatch
  • 1 x Wind forward looking mast head transducer
  • 1 x Depth, speed and temp transducer (combined)
  • 1 x RayNet Network switch
  • Autopilot:
  • X4.3, X4.6, Xp 44: 1 x Auto Pilot EV-400 course computer RAM drive 2 with P70s pilot display
  • Plotter options - no charts included:
  • Second station plotter :
  • "2 x Axiom+ 9"" Touch plotter - only, multifunction
  • Xp & X: mounting at wheel or nav station. Xc: mounting at nav station or cockpit table"
  • VHF options - remember to choose VHF antenna:
  • 1 x VHF Ray90 base station (internat.) w. loudspeaker, at nav station or cockpit,
  • Other electronic options:
  • 1 x AIS700 Transceiver for Axiom series plotter incl. filter
  • 1 x Shakespear VHF antenna for VHF & FM, cable Aircell7, Pom mast isolation mounted in mast head. Note: Windex is mounted separately


  • Yanmar 57 HP Upgrade - Yanmar 4JH57 (42 kW) common rail diesel engine incl. 2-blade folding propeller
  • 3-Blade Folding Propeller - Flex-O-Fold 3-blade Ø 18" folding propeller for 57 HP engine - up price

Additional Information

  • Fire Extinguishers - 4 x 2 kg Powder fire extinguishers fitted throughout the yacht and with fire port into engine room
  • Harken Winch Handles - 3 x Winch handles (10") with Lock
  • Flag Pole - Teak with bronze bushing
  • Fenders - 4 x White air-filled fender with lanyards and X-Yachts logo
  • Mooring Lines - 2 x 20 m 14 mm polyester mooring lines
  • Shore Power Cable - 1 x 20 m shore power cable
  • Special Locking device for anchor and sail locker