39′ Specifications
LOA: 39’0″ (11.9 meters)
Beam: 8’6″ (2.6 meters)
Deadrise: 24 degrees
Fuel: 220 US gal (833 liters)
Power: (2) Mercury Racing Motors available or (2) Cummins or Yanmar Diesels with I/O or Arneson Drives
Displacement: 9,000 lbs. (4082.33 kilos) fully loaded with fuel
Upholstery/Paint: Custom
Estimated top Speed: 85+mph (129+kph)



The GTMM39 is the ultimate performance boat with an efficient 2-step hull, which provides enough hull ventilation for all out speed.  However, enough of the running surface remains in the water to maintain its stability and safety.  The boat’s incredible acceleration and maneuverability are exceptional.  The 39 is able to enter turns at high speeds in order to avoid obstacles, jet skis and the occasional diver.

The lamination schedule is designed by John Cosker.   He has created a hull that is light but extremely strong. The construction of the 39 has a hand-laid, vacuum bagged lamination, using Vinylester resin with carbon, S-Glass/E-glass/Kevlar using stitched double bias fabrics and other proprietary woven materials.  Thus, making her stronger, tougher and virtually unstoppable.  The GTMM39’s hull and deck come with a 2-year warranty.

The 39 offers 2 cockpit configurations:  an open cockpit with wrap around windshield or a fully enclosed air- conditioned canopy designed for additional safety at high speeds. Both versions accommodate a 5-person cockpit with two ultra comfortable front driver seats and plush seating in the rear for three.  All upholstery is custom designed to meet each client’s specifications and design requests.

The 39 benefits from technologically advanced power packages from Mercury Racing, Cummins and Yanmar, ensuring a reliable boating experience.   All hardware is imported from Italy.  The cleats are laser etched and come standard with the GTMM logo or can be customized with initials or vessel name.

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