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MJM 50z (2013-)
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MJM 50z (2013-)
MJM 50z (2013-)

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There are several Downeast-styled boats on the market in the 48-50 foot range and they have all been basically marching to the same 2-cabin-2-head drummer. It is for that reason that MJM has introduced its new 50' (15.24 m) model -- to give boaters an important alternative. According to MJM, its new 50z has three different -- and important --"unique" sales propositions. Actually, we think there are many more advantages than three in the new MJM 50z for most cruising folks. Anyone thinking of a boat in this class might do well to take a look at this new, unusual design.

Approximate Sailaway as $1,750,000.

Key Features

  • Sleek, low profile for trucking and bridge clearance
  • 2.7' - 3.8' shoal draft operation
  • Single level deck, side opening doors, 3 steps to galley
  • Summer porch layout
  • Fully opening windshields and ventilation below decks
  • Daytime privacy in livable staterooms, not just sleeping cabins
  • Two layouts to choose from
  • Pilothouse converts to a 3rd stateroom
  • Fuel efficiency
  • 40 knot top speed

Specifications

MJM 50z (2013-) Specifications
Length Overall 54' 0''
16.46 m
Dry Weight N/A
Beam 15' 0'''
4.57 m
Tested Weight 35,000 lbs
15,876 kg
Draft 3' 8''
1.12 m
Fuel Cap 500 gal
1893 L
Deadrise/Transom 19 deg. Water Cap 150 gal.
568 L
Max Headroom 6'5''
1.96 m
Bridge Clearance 10' 6''
3.20 m
Prices, features, designs, and equipment are subject to change. Please see your local dealer or visit the builder's website for the latest information available on this boat model.

Engine Options

MJM 50z (2013-)Engine options
Std. Power 2 x 435-hp Volvo Penta IPS600 / 3 x 370-hp Yanmar 8LV
Tested Power Currently no test numbers.
Opt. Power 3 x 370-hp Volvo Penta IPS500
3 x 435-hp Volvo Penta IPS600

MJM 50z (2013-) Captain's Report

The Mission of the MJM 50z

MJM's credo is to build cruising boats that can be handled by a couple or single-handed easily, be capable of entertaining a large crowd of friends around home, and also be seaworthy enough for offshore passagemaking. With the builder's new 50z, all that holds true, plus two options for an addition of a second stateroom with en suite head that gives a second couple all of the privacy of the owner.

MJM 50z

The new MJM 50z is probably more like a lobster boat than anything currently on the market in class. She is long and low which makes her fun to ride on, easy on the eyes, and a comfortable entertaining platform.

Distinguishing Characteristics

1. Styling. The MJM 50z is long and low rather than being high and boxy. This is possible because the boat does not need large diesel engines that are so high that they can't be placed under the boat's cockpit in the stern. Placing big diesel engines in a 50' boat means they have to go in the middle of the boat and the salon and pilothouse must go above, making the main cabin high, and to some people's nautical eye, not attractive in this size.

2. Performance. Because the MJM 50z is the lightest boat in class, and at 15' (4.57 m) the narrowest, she is also the easiest to push. That means she can have smaller engines that can be placed under the cockpit, allowing the boat to have either sterndrive or pod-drive propulsion, both of which are more efficient than conventional inboard rigs. All of this means that the MJM 50z can go faster than any boat in class and at the same time be more fuel efficient at cruising speeds and have greater range.

MJM says its new 50z will be from 5 to 10 knots faster than other boats in class while getting 0.9 nautical miles per gallon while cruising in the mid 20-knot range.

MJM 50z

Fourteen or more people can be comfortably accommodated in the large open cockpit and bridgedeck for daytime excursions close to home. Note that both of the staterooms have a reading chair(s) and foot stool which doubles as a desk seat.

3. Comfort. Several things go into comfort, one of which is the ease of getting on and off the boat and moving around once on her. The MJM 50z has a transom door as well as side-access doors in the hull both port and starboard that open up to the level of a floating dock or inflatable. Once aboard, the main deck is level from the transom to the companionway. Going below is only three steps. Because the center of gravity is low and the aft 1/3 of the hull has a constant 19 degree deadrise angle, the builder tells us that the boat should be stable at anchor or at slow speeds.

4. Engine Placement. The engines are in the stern of the boat not under the main cabin as in all other boats in class. Not only does this permit a more efficient propulsion system, it also gets engine noise away from the primary living spaces while underway.

5. Wide Range of Engine Options. The MJM 50z may be powered by either twin engines or triples, either in sterndrive or pod configurations. Virtually all other boats in class are powered by twin inboard engines, although a couple may offer twin pod drives.

6. Lower Draft. Because the 50z can be powered by twin sterndrives, she can have a draft as little as 2'8-1/2" (51 cm). This is important for not only cruising in skinny water in places like the Bahamas Banks, but more importantly for docking in front of the owner's house in water depth vulnerable to a moon tide. With the drives up, the boat can even rest on her own bottom without damaging the running gear.

MJM 50z

An alternative ‘Great Room’ layout is appropriate if the vessel will be used primarily for entertaining and for cruising by the owner. Note that the second stateroom below has been replaced with a large L-shaped lounge. That can be converted to an enclosed double or twin stateroom with either a Pullman curtain as on the 40z or with a removable bulkhead.

7. Privacy. Anyone who has done a lot of long-distance cruising or living aboard knows that it is important to have as many different living spaces aboard as possible. This allows the owners and guests to get away from the other people aboard for some quiet time by themselves.

In the MJM 50z there are five private places where owners and guests can read, relax or work. Both staterooms are designed with a comfortable seat so the owner or guest can retreat to a private cabin and have a place to sit and check emails or read. They are not just sleeping cabins. Topside, the port and starboard settees each have their own separate table. And aft there is a bench seat quite apart from the rest of the boat.

MJM 50z

This computer-generated image shows the double-wide helm seat that is large enough for both the skipper and navigator to be comfortable. Note the superb visibility.

8. Summer "Porch." For those used to seeing enclosed express cruisers, at first glance the MJM 50z's open hardtop design might seem a bit odd. In fact, this concept with open sides is very much like the Maine lobster boats that inspired the whole Downeast-style boat in the first place.

Onboard and sitting in the shade of the hardtop with sides completely open gives one the feeling of relaxing on a "porch" and watching the world go by. No other boat in class has anything like it and it has to be experienced to be appreciated.

9. CE "A" Rating. It is easy to forget that MJM's sister company, J-Boats, makes racing and cruising sailboats from 22' to 65' (6.7 m to 19.81 m). Many of the larger J-Boats have sailed around the world, some of them several times. Little wonder, then, that MJM would build its new 50z to the demanding standards required to be certified as CE category "A" ocean rating.

MJM 50z

The new MJM 50z is low and sleek and is designed to be a classy indoor/outdoor entertaining platform for day cruising with friends.

Launch Schedule

When will the MJM 50z be available? The answer: August of 2014 -- some 15 months away. The company tells us that 3 MJM 50zs will be built in 2014 and 9 in 2015.


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Standard and Optional Equipment

MJM 50z (2013-) Standard and Optional Equipment
Exterior Features
Hardtop Standard

Standard = Standard Optional = Optional

MJM 50z (2013-) Warranty

MJM 50z (2013-) Warranty Information
Warranties change from time to time. While BoatTEST.com has tried to ensure the most up-to-date warranty offered by each builder, it does not guarantee the accuracies of the information presented below. Please check with the boat builder or your local dealer before you buy any boat.

Full Warranty Information on this brand coming soon!


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