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News: Heesen Yachts Launches Super Yacht Willpower

May 18, 2010 by Superyacht News
View large version of image: Heesen Yachts Launches Super Yacht Willpower

Heesen Yachts recently launched Super yacht Willpower, a Heesen 3700 series motor yacht. Hull number 14537 of the very famous 3700 series, super yacht Willpower is similar to her sister yacht in respect to her exterior design and general specifications. Presently, the yacht is undergoing sea trials; however her interiors are fully polished and completed. She will be delivered to the owner soon after her sea trials.

Yacht WILLPOWER has two MTU 16V 4000 M90 diesel engines rated at 3,646 HP each which produce a projected maximum speed of 31 knots. At her cruise speed of around 12 knots she has a range of over 2,000 NM.

The Heesen 3700 motor yacht WILLPOWER has a beam of 7.50-meters and a 2.20-meter draft at half load. Her half load displacement is about 150 tons. Yacht Willpower is currently for sale.


Hull type: Twin propeller motor yacht
hard chine semi displacement
Naval Architect: Heesen Yachts
Exterior Designer: Omega Architects
Interior Designer: Omega Architects
Classification: ABS X A1 Yachting Service AMS
Material of Hull: Aluminium
Material of Superstructure: Aluminium
Length over all: 36,80 meter 120’9”
Beam over all: 7,50 meter 24’7”
Draft extreme (50% load): 2,20 meter 7’2”
Displacement (50% load): 150 tons 330.700 lbs
Maximum speed (light): 31,0 knots
Range at 12 knots: 2.000 Nm
Fuel capacity: 33,0 m3 8.700 US Gallon
Fresh water: 8,0 m3 2.100 US Gallon


Main engines: 2× MTU 16V 4000 M90
Maximum power: 2× 2.720 kW
Gearbox: 2× ZF 7550
Engine control: MTU MCS-5 type 1
Waterlubricated shafts: stainless steel 431 Ø 145mm
Propellers: Schaffran five blade fixed pitch
Ø 1.350 mm (4’5.1”)
Generators: 2× Northern lights M 1064T2
Power: 2× 55 kW, 50Hz three phase 230/400V
Bowthruster: hydraulically driven make Hydromar
type HBT-GF-CR-50, 50 kW
Retractable sternthruster: hydraulically driven make Hydromar
Type HBT-GP-CR-51, 51 kW
Steering system: Sperry Marine Systems, type 2.S.25.35.2
Rudders: Two stainless steel rudders
with stainless steel 431 shafts
Stabilizer: Active trim tab stabilisation system
make VT Naiad


Fresh water maker: 2× HEM 20/400
capacity 1.500 litres per day each (400 GPD)
Hot water boiler: 2× Nibe 205 litres each (54 USG)
capacity 13kW each
Sanitary treatment: Hamann miniframe 5.400 LPD (1426 GPD)
Grey/blackwater system: JETS
Fuel separator: Westfalia OTC 2-02-137
capacity 1.200 litres per hour (317 GPH)
Air-conditioning: chilled water units make Marine Air
2 x MCW 120S-EH, each 35 kW cooling cap.
Fresh Air supply: make Salor
capacity 1310 / 655 m3/h (770/385 cu ft/min)
Search light: 1× Sanshin RCL 100
Anchor winch: 2× Ascon type 2 ACV, two speed
Anchor: 2× SHHP Pool –TW 149 kg (328 lb)
Anchor chain: 1× 150 m (490’), 1x 100 m (328’)
U2–quality, 16 mm (0.63”) shortlink DIN 766.
Mooring capstan: 2× Ascon type 2CVE
Passarelle: Hydromar Seawalk
Jacuzzi: Riviera pool Roman Public 255


Tenders and sport equipment are Owner’s delivery. The design criteria for
tender and waverider are foreseen as follows:
The net opening of the transom hatch is B × H = 3,89 × 1,45 m (12’9” × 4’9”)
There are two tender tracks located in the tender garage:
- Starboard side maximum tender length is 5,4 m (17’8”)
- Port side maximum waverider length is 3,16 m (10’4”)

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1 Comment - Share Your Thoughts

  1. Superyacht News

    Superyacht News on May 18, 2010

    The picture is of Yacht Willpower’s sister ship – the Heesen 3700 yacht lona – image by Monaco Yacht Spotter

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More Heesen Yachts Launches Super Yacht Willpower Information:

  1. Motor Yacht Willpower Delivered to her owner

    News: Motor Yacht Willpower Delivered to her owner

    July 14, 2010 by yachtlover

    Heesen Yachts is proud to announce the delivery to her owners of hull number 14537, Motor Yacht Willpower, ninth in the 3700 series, whose forbear was delivered in 2004. …