Granocean W-72

W-72 Interiors

Granocean W-72

  • Structural Engineer: Gurit SP
  • Naval Architect: Howard Apollonio
  • Designer: Eric So – Granocean
  • Interior: VRIPACK
  • Overall length: 72 feet / 21.98 meters
  • Maximum beam: 32.9 feet / 10 meters
  • Draft: 4.27 feet / 1.30 meters
  • Maximum displacement: 50,000 kg / 110,231 Lbs
  • Engines:
    • 2 x Cummins 550 hp Diesel Engine (Standard)
    • 2 x Cummins 715 hp Diesel Engine (Option)
    • 2 x CAT C18 1150 hp Diesel Engine (Option)
  • Fuel: 6,000 Liters / 1,585 US gallons
  • Fresh water: 1,000 Liters / 264 US gallons

About the W-72 Power Catamaran

The W-72  is most spacious power catamarans available on the world market in it’s category.
Its flared hulls combined with a high bridge deck clearance and wide beam provides a smooth riding platform and unmatched living space.

The unique flybridge wings provide ample open space for lounge or a large tender atop while providing much needed coverage over the cockpit and engine room hatches.

Choose from open flybridge or enclosed upper wheelhouse then combine with numero
us layout options and our high level customization service to deliver the boat that suits to your exact needs.


W-72 Power Catamaran Layouts

Layout A

Layout B

Layout C

W-72 Power Catamaran Specifications

1. Hull lamination according to EN ISO 12215-5 structure standard
2. Built in accordance with HPI Verification services CE Category A standard
3. Composite fiberglass infused hull, deck & superstructure
4. Hull, deck & superstructure built of light weight fiberglass composite with closed cell PVC
foam/honeycomb as core material
5. Interior structural components all properly bonded to hull & deck

Hull & Deck Exterior General
1. White gel coat on all superstructure and hull (Option: colored gelcoat)
2. International Interlux antifouling paint
3. Main deck non skid deck (Option: teak decking or Marine Deck 2000)
4. Electric windlass Lewmar V6 24V with chain counter & footswitches
5. One 80kg galvanized Delta anchor fitting at bow with chain stopper
6. 70m 13mm din 766 galvanized anchor chain
7. 316 stainless steel safety stainless steel handrails throughout
8. Anchor bridle with shackle & pad eyes fitted
9. Eight (8) heavy duty 12” 316L stainless steel cleats
10. Two (2) pop-up 6” 316L stainless steel cleats on transom platform
11. One stainless steel Sampson post at bow
12. Eight (8) fender locks
13. Double layer tinted safety glass windows
14. Eight (8) Lewmar large flush deck hatch or equivalent (subject to layout)
15. Lewmar large hull window with eight (8) in-glass openable portlights or equivalent
16. Wide opening triple leaf Lewmar sliding salon door with large flip up window or equivalent
17. Stainless steel rub rail along transom
18. Freshwater deck wash-down
19. Seawater anchor chain wash down
20. Two (2) transom shower with hot/cold water (one in roof, one hand shower)
21. Stainless steel folding swimming ladder with flip up grab rails
22. Two zinc anodes on transom for bonding system
23. Two (2) stainless steel deck water fillers
24. Two (2) stainless steel deck fuel fillers
25. Two (2) stainless steel deck waste pump outs
26. Stainless steel flag post on flybridge
27. 316 stainless steel thru hull fittings above waterline
28. Bronze through-hull fittings below waterline
29. Boat name in custom designed 316L stainless steel
30. Soffkin Marine vinyl exterior upholstery
31. Mooring kit includes six (6) fenders and five (5) 24mm moorings lines
32. (Option: Upgrade exterior upholstery to Sunbrella)
33. (Option: Upgrade exterior upholstery to Ultraleather)

1. Covered aft deck with overhead lights
2. Large C-shaped settee with Soffkin marine vinyl cushions
3. Two (2) Teak cockpit dining tables
4. Large L shaped bar with bar stools, storage and sink to port
5. Storage under seating
6. Weathertight engine access hatches in hatches design
7. Storage lockers on deck
8. Wet locker below molded staircase
9. LED Courtesy floor lighting throughout
10. LED Flood lights for transom platform
11. Vimar water-proof sockets
12. Two (2) waterproof Fusion 6.5 inch speakers connected to inside helm stereo
13. (Option: Vitrifrigo undercounter fridge /icemaker in bar)
14. (Option: Kenyon Electric BBQ)
15. (Option: Tenderlift transom hydraulic platform 650kg or 900kg)
16. (Option: Upgrade wet locker to day head)

1. Weathertight Lewmar door built to CE Area IIA to bow lounge
2. Two (2) large sunbathing L shape settee with Soffkin marine vinyl cushions
3. Cup holders integrated into settee
4. Anchor chain locker
5. Two large fender lockers underdeck forward
6. Two (2) waterproof Fusion 6.5 inch speakers connected to inside helm stereo
7. Vimar water-proof sockets
8. (Option: Two (2) Quick pop-up lights next to settees)
9. (Option: Vitrifrigo undercounter fridge under settee)
10. (Option: Jacuzzi)

1. Molded stairs with to flybridge with SS handrail
2. Hardtop covered flybridge with LED overhead lights
3. Wet bar including Quartz top, built-in sink, tap
4. L-shaped settee with Soffkin marine vinyl cushion and storage underneath
5. Two (2) teak dining tables
6. Helm with double seats complete with steering, throttle, VHF and chart-plotter
7. Double forward-facing settee adjacent to helm
8. Storage locker to port
9. Acrylic windshield
10. Vimar water-proof sockets
11. LED Courtesy floor lighting throughout
12. Instrument mast on hardtop
13. Two (2) waterproof Fusion 6.5 inch speakers connected to inside helm stereo with
separate volume controller
14. Two LED flood lights to illuminate flybridge aft
15. (Option: Vitrifrigo Undercounter fridge)
16. (Option: Kenyon Electric BBQ grill)
17. (Option: Steelhead ES1500 flybridge extendable crane 680kg or similar)

Upper Deck Option: Enclosed Flybridge Version
1. Enclosed Flybridge with two 16k BTU air conditioning units
2. Windscreen wipers with spray wash, on/off/3 speeds function
3. Access staircase from salon
4. Two (2) helm chairs
5. Upper interior helm station
6. Forward facing settee adjacent to helm
7. L-shaped settee with dining table
8. Storage locker stbd of helm station
9. Head with Tecma toilet and vanity sink
10. Wide opening triple leaf Lewmar sliding salon door with large flip up window o equivalent
11. Weathertight doors to port and starboard access to Portuguese bridge
12. (Option: Undercounter fridge)
13. (Option: Wet bar sink & tap)

General Interior Finishes
1. General interior finishing to be in soft vinyl leather and wooden veneer with satin finish
1. Furniture to be combination of solid wood and veneer with satin finish
2. Overhead finished in Soffkin vinyl leather panels
3. Composite nonporous membrane flooring
4. Cedar wood for all hanging closet’s backing panel
5. Heads finished with gel coat and Quartz countertops
6. High quality entrance chrome door lock and stainless steel cabinet door locks subjected to
shipyard's standard selections
7. DC LED ceiling and courtesy lighting throughout. Lighting fixtures subjected to shipyard's
standard selections
8. Black out plaid shades for all cabins and heads
9. Privacy plaid shades for main deck salon
10. (Option: Owner’s cabin upgrade queen to king sized bed)
11. (Option: Removable custom shaped carpet)
12. (Option: Bedding Sets with sheets, blankets, and pillowcases)

1. Panoramic view through large, fixed windows
2. Wide opening triple leaf Lewmar sliding salon door with large flip up window
3. Large L-shaped dining settee on stbd side
4. Dining table on stbd side
5. Large L-shaped setteeto port
6. Coffee table on port side
7. Observation settee facing forward
8. Cabins access companionways with handrails
9. Large galley with central island with bar stools
10. Quartz countertops with storage
11. Double Schock sinks or equivalent
12. Fisher & Paykel 36″ Panel Built-In French Door Refrigerator
13. Bosch Benchmark Series 30″Black Frameless Induction Cooktop
14. Flush mount extraction hood vented outside
15. Fusion player entertainment system with two 6 inch Fusion speakers
16. (Option: Indoor helm with double seat complete with steering, throttle, VHF and chart-plotter)
17. (Options for appliances: Icemaker, washer/dryer combo, dishwasher etc.)
18. (Options for entertainment: 50 inch Samsung TV in galley cabinet)

Lower deck

1. Standard Layout:

  • Portside, three guest suites with heads
  • Starboard Side, Two VIP suites with heads

2. Optional Layouts: 4 cabins w/ galley down, galley forward, up to 6 cabins available

All Staterooms (Subject to final choices of layout)
1. Queen size berth(153cm x204cm)
2. Large closet with drawers and closed shelving
3. Wall/reading LED lamps on both side of headboards
4. Plead blackout blinds over portlights
5. Shade and screen over hatches

All Heads & Showers
1. Quartz countertops with ceramics sinks
2. Storage unit below counter
3. Separate shower compartment
4. Standard size Tecma toilets with electric freshwater flush
5. Kohler faucet and shower unit
6. Kohler towel bars and toilet paper holders
7. Exhaust fan in all heads
8. Mirrors above countertop

Engine & Equipment
1. Two Cummins QSB6.7 550hp 3300rpm inboard diesel engines with instrument panels & throttle
at flybridge helm
2. (Option: Two Cummins QSB6.7 715mhp 3300rpm) with heavy duty gearbox ZF 286IV 2.539:1
3. (Option: Two CAT C18 1150 HP)
4. Two (2) Hungshen five blade bronze propellers
5. Aqua 17 high tensile direct transmission shafts
6. Hydraulic Steering system, compatible with autopilot system
7. Stainless steel emergency tillers
8. Fiberglass rudders with stainless steel shaft & reinforcement
9. Engine compartment ventilation natural intake of air with mechanical extraction of air
10. Engine room with sound insulation materials
11. Engine alarm system for low oil pressure and high water temperature
12. Frigomar air-conditioning system total 88,000BTU (Salon with 48,000BTU in total, lower deck
with 20,000 BTU in total for each hull)
13. (Option: Spurs Rope cutter)
14. (Option: Two (2) Lewmar electric bow thruster 15HP)
15. (Option: Additional 16KBTU for enclosed flybridge version, recommended in tropical weather)
16. (Option: Dockmate wireless docking control system)
17. Seaboard marine SMX engine instrument panels (if using Cummins)
18. Glendinning EEC3 engine throttles (if using Cummins)

1. Four (4) integral FRP fuel tanks total volume 6000L (1585gal) with electrical gauge
2. Racor series fuel filter/waterseparatorsfor each engine
3. Diesel emergencyshut off valve
4. Fuel transfer pumps between fuel tanks (from one hull to the other)
5. Two (2) integral FRP water tanks total 1000L (264 Gal) with electrical gauge
6. Two (2) 24V Electric freshwater pump and pressure accumulator
7. Two (2) 80L Quick waterheater
8. Two 75L (20 Gal) PVC holding tanks
9. All black water discharge overboard directly from holding tank or pump-out from deck
10. Shower drain to grey water sump pump
11. Six (6) RULE#2000 electric bilge pumps with separate flow switches
12. Two manual bilge pump for emergency, one in each hull
13. (Optional: Two (2) Reverso 150 GPH Fuel polishing system)
14. (Option: Schenker Water maker 100L/h with commercial filters)

1. 24V/230V or 24V/110V electrical system
2. Kohler Generator set 20.5KW/50HZ/1PHor21KW/60Hz/1PH, with sound guard, silencer, fuel
filter & gas water separator
3. (Option: Second Kohler generator 20.5KW/50HZ/1PH or 21KW/60Hz/1PH with Decision Maker
3500 Paralleling system)
4. (Option: 9 KW Kohler second nighttime generator)
5. Wiring -Tinned copper marine cables approved by ISO
6. Batteries for

  • House bank: GEL deep cycle batteries, total of 900AH at 24V
  • Electric windlass and / or electric thrusters: AGM batteries, total of 200AH at 24V
  • Engine & Genset Start: two sets of AGM batteries, total of 400AH at 24V House:

7. (Option: Extra GEL batteries if solar is chosen, totaling 450Ah at 24V)
8. Separate Victron chargers for starting batteries
9. Victron Quattro 24V/5000W/120A battery inverter/charger Combo
10. LED Lighting throughout 24VDC
11. 50-amp 60Hz or 63amp 50Hz shore power inlet with galvanic isolator
12. Power circuits protected by circuit fuse and breakers
13. Main AC/DC electrical distribution panels
14. Alarm control & monitoring NMEA 2000 system
15. Electrical gauge with indicator at chart table
16. Electrical Vimar outlets located throughout excluding engine room
17. (Option: Flexible solar panels package in hardtop rated 3420W, with 2 extra GEL batteries
(total 225AH at 24V), Victron Solar controller
18. (Option: Flexible solar panels package in foredeck rated 2340W with Victron Solar controller)
Please note: final solar output is not equal to the rating of panels, but depends on many factors, including solar radiation,
temperature, angle of radiation etc. All estimates are given in good faith but without warranty or liability on part from Granocean
19. (Option: upgrade house batteries to Victron Smart lithium batteries, 200AH at 25.6V per unit,
Max 8 units)
20. (Option: Aqualuma underwater lights)

Navigation & Electronics
1. One (1) 4-1/2″ Ritchie compass
2. One set of Hella Marine navigation lights include head, stern, port, starboard & anchor
3. 12” Garmin navigation chart plotter at main helm (Option: Upgrade to 16” chart plotter or
additional 12”/16” chart plotter). Final location maps and configuration not included.
4. Garmin 20nm-36nm Radome (Option: 4 KW 72nm Garmin Radar array)
5. Garmin B117 depth/speed/fish finder combo transducer
6. Garmin VHF 215
7. Garmin Autopilot
8. Garmin Wind gauge G-wind
9. Seastar display with rudder indicators (or equivalent)
10. Exalto wiper System (or equivalent)
11. Jabsco remote control searchlight (or equivalent)
12. Marco single stainless steel ship horn (or equivalent)
13. (Option: Indoor secondary helm station as per standard main helm configuration)
14. (Option: Garmin fish finder with 3D & side scan GT51M-TH)
15. (Option: Garmin AIS 800)
16. (Option: Garmin GC200 CCTV cameras in engine rooms / cockpit / flybridge)
17. (Option: Receiver mount and pre-wiring for Skylink)

1. Automatic Seafire fire extinguishers in engine room
2. Hardwired Smoke/heat detectors
3. High water alarm in all water-tight bilge area
4. Engine & generator with high watertemp/ low oil pressure alarm
5. Fuel shut-off valve fitted with additional control outside of engine space
6. (Option: Plastimo Cruiser Standard Liferaft-Canister-6

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