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MJM 40z Downeast

  • Boat Summary
  • Full Details

Boat Description

The primary design goal for the 40z was to create a 40 foot powerboat that would handle like a 30-footer at idle speeds in tricky docking situations. The Volvo-Penta IPS or Cummins Mercruiser AXIUS joystick control technology makes this goal a reality. The IPS system works with twin pod drives under the hull and the Cummins with twin sterndrives. When conventional twin-engine controls are in neutral, a single joystick takes over with fingertip control. There are no thrusters. Through a unique computer program, each drive unit is independently operated in terms of direction, rpm and forward-reverse gear. This system works far more intuitively than conventional twin shaft drives or joystick/thruster operated jet drives.

Unique Features
-Side-opening doors (P&S) overcome a common problem, getting aboard or getting off when handling docklines.

- Single-level seating for as many as 15 at cocktail time or for a family picnic

- Roll-up side/aft curtains and fully-opening windshields to regulate airflow in the pilothouse to suit conditions.

- Large (60x78) island berth and separate shower in owner stateroom.

- Two convertible guest cabins, one with dinette option.

- 40z can be trucked overland without penalty. Width doesn’t exceed 12 feet and height on a trailer is less than 13.5 feet.




Boat Details
Beam 12 ftMax Draft 3 ft 3 in
Draft Board/Drive Up 2 ft 2 inDry Weight 18800 lb
Hull Material FiberglassHull Shape Deep Vee
Fuel Capacity 350 galLength at Waterline 37 ft
Length on Deck 40 ftWater Capacity 110 gal
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Detailed Specs
Max Bridge Clearance 10 ft   

Performance Features

  • Twin Cummins 320-350 hp or Volvo-Penta 300-370 hp diesels.
  • Epoxy unidirectional tri-axial kevlar and S-glass hull and deck
  • Joystick docking control with AXIUS or IPS systems.
  • 35 knots top speed
  • Best fuel mileage- environmentally friendly 1.2-1.5 NMPG
  • Convertible 3-stateroom sleeping for 6