Moomba Max ballast question.

I know the Max is advertised to have 3000lbs of factory ballast but how is that distributed around the boat?

I know the rear has 2 fat sacs and I can see a fat sac through a small cutout under the floor toward the middle of the boat. It is right in front of the access panel for the t-handle center drain plug.

Is there a front tank? How much do the bags hold?

I don’t think it matters but I have AutoFlow 2.0, Autowake, and the G6 ballast pump system (6 pumps).


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900lbs in each rear, 700lbs in center and 500lbs in the bow. Bow and center are plumbed together with 2 pumps and the rear bags are plumbed with 2 pumps each.

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Originally Posted by flynnva

900lbs in each rear, 700lbs in center and 500lbs in the bow. Bow and center are plumbed together with 2 pumps and the rear bags are plumbed with 2 pumps each.

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Thank you very much. Is the bow ballast a tank? From what I saw the center is a fat sac.


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I have a Mojo on order and from what my dealer said, the bow is a sac and the center is a tank. The mojo has 3000lbs stock ballast also and I was told it's divided up the same way. Great looking boat, hope you enjoy it.

oh boy, bet she can take another two to three k:o

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Originally Posted by Boonejeepin

Thank you very much. Is the bow ballast a tank? From what I saw the center is a fat sac.

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I'm not 100% but with the front ballast sub floor does that mean it's now hard tanks up there?

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Originally Posted by DFTR Josh

I'm not 100% but with the front ballast sub floor does that mean it's now hard tanks up there?

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I can actually see a bag under the floor in the center. Not sure about the bow.


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Originally Posted by Boonejeepin

I can actually see a bag under the floor in the center. Not sure about the bow.

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Interesting! I'm going to have to take a close look at the local dealer.

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Originally Posted by DFTR Josh

Interesting! I'm going to have to take a close look at the local dealer.

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Get down and look forward in the center drain cover area.


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I sent a PM to Matt at Skier's Choice who is the product development manager. Hopefully he'll respond here and answer your questions. :-)

(I'm curious too).

I thought each rear had 1000lb bag plus a 1000lb hard center locker tank with the bow unused.


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Originally Posted by 13mobiusLSV

I thought each rear had 1000lb bag plus a 1000lb hard center locker tank with the bow unused.


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It makes sense that there is a center bag and bow hard tank. I can see the center bag under the floor.


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Originally Posted by Boonejeepin

It makes sense that there is a center bag and bow hard tank. I can see the center bag under the floor.


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I remember Matt kept making comments in regards to why the max had so much potential because of all the available, unused storage if you really wanted to slam it.


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I found the thread where Matt talked about the ballast in the Max:

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Originally Posted by goose

We have obviously been looking at the subfloor ballast for a while. We know that is a high value to our customers and the new Supra that will be released soon has a true subfloor ballast. You haven't seen this yet, but the new Max also has optional side storage bins that can be added to the sundeck compartments that basically make them subfloor ballast. Not quite the same, but honestly I think it is a design that most will really appreciate as you can still get to the bags if you need to. Hopefully we will have pics of that soon. As some have mentioned, until you see the Max, you will not appreciate how deep it is. The overall depth from deck to the hull bottom is about 44 inches on each side. Each rear bag holds 1000lbs. These side storage tubs are almost 16 inches deep and they can hold a LOT of lifejackets, ropes, bumpers, etc. I think once you see this, you will really like it.

In addition, the Max also has a 1000lb front bag that is completely under the front floor. There is no u-shaped bag in the front bow storage and that really opens up more clean storage up there as well. Hope you like it.

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And when I talked to the Moomba factory rep that took the Max to the Polar Bear, he told me that he put 600's under each seat piggybacked to the rear bags. 600 because of length. so like a 20x20x40 would be my guess. 4200 pounds of water ballast wouldn't suck.

Some custom bags could get bananas in the Max. Somebody has to do this.

This thing has king of the hill potential.


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Originally Posted by dakota4ce

Some custom bags could get bananas in the Max. Somebody has to do this.


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Once I break it in and play with it I will do custom bags as needed.


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You can see the bag in the center.
https://uploads.tapatalk-cdn.com/201...dbe89dcb7a.jpghttps://uploads.tapatalk-cdn.com/201...05fdde0331.jpg


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Keep in mind that when I was talking with the Moomba factory rep at Evening with the Stars, he said that just putting ridiculous weight in the rear wouldn't be optimal, that distributing the extra weight throughout the boat would be best. I really like the idea of midship ballast. I can't wait to see what you come up with.

Looked at an SL this past weekend and all subfloor ballast are bags not hard tanks. I was told that they were getting away from hard tank use. To many leak issues. Each area had a small access panel where the bags could be removed if the ever needed to be,


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Originally Posted by smorris7

Looked at an SL this past weekend and all subfloor ballast are bags not hard tanks. I was told that they were getting away from hard tank use. To many leak issues. Each area had a small access panel where the bags could be removed if the ever needed to be,


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I have not seen one, but it sounded like from someone else the subfloor isn’t a breathtaking placement under the floor, that it actually comes at a very significant reduction in locker depth.

Did this stick out to you?


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Originally Posted by dakota4ce

I have not seen one, but it sounded like from someone else the subfloor isn’t a breathtaking placement under the floor, that it actually comes at a very significant reduction in locker depth.

Did this stick out to you?


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Seems like the locker depth in the bow and under the observers dash is used by a raised floor for the ballast but the top deck is pretty tall and there is still ample space.


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Originally Posted by dakota4ce

I have not seen one, but it sounded like from someone else the subfloor isn’t a breathtaking placement under the floor, that it actually comes at a very significant reduction in locker depth.

Did this stick out to you?


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Somewhat, certainty a reduction in the depth of lockers. They basically raised the flooring. But, there is ALOT of free storage everywhere! Plus I love the cooler in the floor area. You can stick 3 or 4 hundred pounds of lead in there Plus the cooler on top of it! 1st thing that entered my mind.


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Awesome! Wonder what the gas tank looks like around that cooler.

Definitely eyeing this boat when I send he SE packin’


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Originally Posted by dakota4ce

Awesome! Wonder what the gas tank looks like around that cooler.

Definitely eyeing this boat when I send he SE packin’


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Wait until they roll out the 19 SE. You will forget about the little SL. Completely redesigned..


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Won’t be able to buy my patented holdover boat till Aug of ‘20 though! 2.5 summers more in same boat??!! [emoji33][emoji33][emoji33]

That would be 500 or so hours on this one by then. Maybe just a little pit stop in an SL after next summer? The SE would be at 270-300 or so hours.

Or a fill-in Max?


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Originally Posted by smorris7

Wait until they roll out the 19 SE. You will forget about the little SL. Completely redesigned..


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Are you an insider? I like the sounds of this.


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Originally Posted by dakota4ce

Are you an insider? I like the sounds of this.


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To keep the models fresh looking and active, SC has the life cycle of 3-4 years.

Look at the most recent models:
SA was 2013-14-15. Then the new SA design was in 2016.
SC was 2014-15-16. Then the SR came out.
SG was 2015-16-17. Then th SL came out.
SE was 2015-16-17-18. In 2014 the largest boat model was the 242. The SE is probably the next to get a refresh.
SR will also be due soon. 2017-18

Back in 2015 the new SG an SE both came out in the same year.


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Originally Posted by MJHSupra

To keep the models fresh looking and active, SC has the life cycle of 3-4 years.

Look at the most recent models:
SA was 2013-14-15. Then the new SA design was in 2016.
SC was 2014-15-16. Then the SR came out.
SG was 2015-16-17. Then th SL came out.
SE was 2015-16-17-18. In 2014 the largest boat model was the 242. The SE is probably the next to get a refresh.
SR will also be due soon. 2017-18

Back in 2015 the new SG an SE both came out in the same year.


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Makes total sense! How about a 26’ SE. Capacity 20. 5500# subfloor ballast. Maybe a massage chair at helm? I don’t want to know the MSRP though.


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Originally Posted by dakota4ce

Makes total sense! How about a 26’ SE. Capacity 20. 5500# subfloor ballast. Maybe a massage chair at helm? I don’t want to know the MSRP though.


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don't forget the dual side thrusters! Oh wait, Pavati has already done that.

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Originally Posted by trayson

don't forget the dual side thrusters! Oh wait, Pavati has already done that.

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Nautique also for 18.


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Originally Posted by smorris7

Nautique also for 18.


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Nautique has a rear one.

Pavati did front and rear.

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Originally Posted by smorris7

Wait until they roll out the 19 SE. You will forget about the little SL. Completely redesigned..


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Exactly the reason we held on an order this year. Holding out for the redesign.....and can't wait.

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Originally Posted by trayson

Nautique has a rear one.

Pavati did front and rear.

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Heck, pontoon boats have had it for years. Not rocket science and ridiculous for inboards.


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Originally Posted by dusty2221

Exactly the reason we held on an order this year. Holding out for the redesign.....and can't wait.

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I agree. It should be a great boat.

Well, I hate to change the interesting discussions about bow and stern thrusters, but if anyone is still interested, the Max definitely has all bags and as stated earlier, each rear bag is about 1000lbs and the front is a bag (not a tank) and it also holds about 1000lbs.

I may have seen where people drilled holes in the divider panels and piggy backed 750lb sacks in the storage areas in the cockpit area. These piggy backed bags connected to the rear bags and allowed you to fill these bags with the current plumbing, making a total of 4500lbs ballast. Of course, we would warn you to never exceed your coast guard capacity, but if you were only running a few passengers, then you should be good to go.

This is another area where the new draft sensor can help you out. When the draft sensor maxes out on the display, the system thinks you have reached max capacity. But until you have a total of 5500lbs of ballast,passengers,gear, you shouldn't see that draft sensor maxed out. But with the extra weight, you will see an amazing wave or wake. Also, as mentioned before, by adding this additional ballast to the middle of the boat, it displaces the whole boat still allowing AutoWake to easily maintain the proper pitch and roll to maximize all displacement. By adding weight to only the rear or the front, it makes it much harder for AutoWake to maintain the proper pitch or roll.

Hope that helps.

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Originally Posted by goose

Well, I hate to change the interesting discussions about bow and stern thrusters, but if anyone is still interested, the Max definitely has all bags and as stated earlier, each rear bag is about 1000lbs and the front is a bag (not a tank) and it also holds about 1000lbs.

I may have seen where people drilled holes in the divider panels and piggy backed 750lb sacks in the storage areas in the cockpit area. These piggy backed bags connected to the rear bags and allowed you to fill these bags with the current plumbing, making a total of 4500lbs ballast. Of course, we would warn you to never exceed your coast guard capacity, but if you were only running a few passengers, then you should be good to go.

This is another area where the new draft sensor can help you out. When the draft sensor maxes out on the display, the system thinks you have reached max capacity. But until you have a total of 5500lbs of ballast,passengers,gear, you shouldn't see that draft sensor maxed out. But with the extra weight, you will see an amazing wave or wake. Also, as mentioned before, by adding this additional ballast to the middle of the boat, it displaces the whole boat still allowing AutoWake to easily maintain the proper pitch and roll to maximize all displacement. By adding weight to only the rear or the front, it makes it much harder for AutoWake to maintain the proper pitch or roll.

Hope that helps.

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Great answer. Thank you!

Now, about the bow and stern thrusters...... :)


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Darn it Goose, your reply makes me want a Max more and more... I think I'm still a year or two out though. *sigh*
But at least Russ can get it all dialed in so I can follow his lead when I get mine eventually.

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Originally Posted by goose

When the draft sensor maxes out on the display, the system thinks you have reached max capacity. But until you have a total of 5500lbs of ballast,passengers,gear, you shouldn't see that draft sensor maxed out. But with the extra weight, you will see an amazing wave or wake..

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Russ, I think this sounds like a challenge for ya!!!!!

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Originally Posted by trayson

Darn it Goose, your reply makes me want a Max more and more... I think I'm still a year or two out though. *sigh*
But at least Russ can get it all dialed in so I can follow his lead when I get mine eventually.
Russ, I think this sounds like a challenge for ya!!!!!

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I'm going to have to agree here!

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Originally Posted by trayson

Darn it Goose, your reply makes me want a Max more and more... I think I'm still a year or two out though. *sigh*
But at least Russ can get it all dialed in so I can follow his lead when I get mine eventually.



Russ, I think this sounds like a challenge for ya!!!!!

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I have 5 break in hours out of the way. Will go heavy soon.


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This thread had me thinking of the wakeboard wake a lot also. Out of the box it seems it might be a little heavy in the rear for a decent shaped wake and to even plane out. I'm pretty excited to play with this a little and I think at minimum 500 up in the nose, I might shoot to 700 ish to start. Ideas?