mac 420 cc a little wet.
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Category: General Forums
Forum Name: The Boat Shed
Forum Description: Discuss all things boating.
URL: https://www.fishing.net.nz/forum/forum_posts.asp?TID=94520
Printed Date: 06 Jun 2026 at 5:49am
Topic: mac 420 cc a little wet.
Posted By: rahui
Subject: mac 420 cc a little wet.
Date Posted: 25 Sep 2013 at 12:16am
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I have just recently purchased a mac 420 cc with a 50 4stroke Suzuki, all 2007. I had previously owned a little 360,mac forward steer, nice little boat. anyway the 420 was as cheap as chips. I have only been out twice and both times a metre swell with the wind getting up and both times a fair amount of spray, especially from the side. any mac owners or previous mac owners have any tips a part from a good rain coat
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Replies:
Posted By: CanadianJohn
Date Posted: 25 Sep 2013 at 12:43am
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yeah, raincoat AND googles!
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Posted By: flyfisher
Date Posted: 25 Sep 2013 at 6:58am
They should have renamed them the WET420 and WET360! Have owned both, and as above, they are wet by nature. However they are great boats, the two downsides being weight (heavy) and wet as you have noticed.
The issue lies in the stepped chine going onto rounded pontoons, water is deflected at 45 degrees off the chine, hits the round hull and keeps going, when the wind is from the side, this will blow right back on you due to the low freeboard.
The benefits of the MAC build outweigh this IMO though. Really fun, safe and solid boats that are easily modified. there's no way to stop this apart from wearing a wet suit in the rough! I did consider having a plastic welder tack on a spray deflector at one stage, would be done easily enough, but at $$$ cost...
------------- https://www.youtube.com/user/troutboynz
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Posted By: rahui
Date Posted: 25 Sep 2013 at 10:19am
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great stability, feel really safe, quite nippy with the 50 but wet. I think ill pick my days which will keep me dry. Did you notice you have to keep the motor trimmed up a bit to avoid backwash when slowing abrubtly or a heavy following sea. the other thing is how much would it cost to put the fisherman front on, I got the boat cheap and would still come out on top.[not sure on that] over cap?
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Posted By: CanadianJohn
Date Posted: 25 Sep 2013 at 10:29am
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i'm not a fan of centre consoles myself. it might be worth getting one on for the amount of fishing days it provides over the cc. if you're in auckland stop by and have a chat with them at galloway on cryers road. i don't think its a huge job, just the cost of the cuddy itself that might decide for you.
the stern on the 420 is so wide, and has those upturned sections that raise the boat as the wash hits the back that i never had more then a bucketful come over the back, despite alot of neglectful stopping.
as far as being wet. well there are certainly dryer boats around. but in that length? you'd not often drive a boat that size the same way in similar conditions. should have never sold mine!
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Posted By: flyfisher
Date Posted: 25 Sep 2013 at 10:43am
I almost completely swamped mine Rahui taking some large waves (wake) over the stern anchored stern on in a river rip while fishing... filled the boat almost completley, stayed quite stable and still felt safe. The bilge pump took ages to empty it out. My 420 was a standard CC I fitted out from a bare hull, loved it, you can fit the double console from the 570 as well for a bit more protection and add clears and a top. I doubt you'd get much change from $2k to fit the cuddy and then you'll need new cables etc.
------------- https://www.youtube.com/user/troutboynz
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Posted By: Moki Marko
Date Posted: 25 Sep 2013 at 12:10pm
check the weather report before you go out - a 1m chop is going to be uncomfortable in any small boat.
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Posted By: rahui
Date Posted: 25 Sep 2013 at 7:24pm
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Hi
i wonder if i could get a fisherman top and cables all set up for 3k or how much for double console top and clears, cables all set up.
i like the openness of the cc and in good weather i am gunna have a lot of fun this summer. so i will put her up for sale next year sometime 
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Posted By: RC1
Date Posted: 25 Sep 2013 at 8:14pm
you get what you pay for rahui:)
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Posted By: rahui
Date Posted: 26 Sep 2013 at 12:11am
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too true, I just don,t want to over capitilize , a small boat is a small boat and cost should be relative. I knew a guy who had an extreme 460 and he kept spending on it and it owed him 50k in the end, lot of coin for a small boat. when he traded up he got 25k, oucch, mind you he had money to burn.
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Posted By: rahui
Date Posted: 26 Sep 2013 at 12:21am
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oh, I just wanted to ask any mac owners, previous or current, how they rated the mac boats. obviously they are wet, but comparisions in terms of ride, stability, function, safety. I had a kiwi craft 440 which was a little beauty, I gotta say the mac pushes it in some areas,
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Posted By: flyfisher
Date Posted: 26 Sep 2013 at 9:27am
They are quiet, warm to the touch, solid, any holes easily repaired with a soldering iron and a sliver cut-off with a craft knife from somewhere inconspicuous. They ride well in a chop - predictable and hell of a stable thanks to the ridiculous wide 2.2m beam (which is a negative if you have a small garage like me!).
The freeboard is a bit low and they take more horsepower to perform compared to a tinny. IMO 50hp is minimum for the 420 and 25/30hp minimum for the 360. Great value for money and safe. I would put a Kiwicraft 440 over a Mac 420 however.
------------- https://www.youtube.com/user/troutboynz
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Posted By: H'd-Up
Date Posted: 26 Sep 2013 at 10:05am
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I had a Mac 570 and thought pretty highly off it! Stable as, and as FF mentioned, warm, quiet and easy to add aftermarket bits to. Was awesome to dive off with the big swim steps on the back and reasonably low ass to. And it dealt with chop pretty well, just put its heavy shoulders in and punched through (much better then any similar sized ali pontoon Iv'e been on, although haven't tried a kiwikraft out)
Negatives were the cost of running it (115hp Johnson 2 stroke) and the spray you WOULD take on in anything but the calmest conditions.
All in all though if it wasn't for the running $$ I wouldn't have sold it.
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Posted By: rahui
Date Posted: 26 Sep 2013 at 10:25am
I think mac have changed the chine on the new macs and apparently a little dryer.They are a little pricey for what they are and I suppose it is up to mac to become competitive and innovative as well, they are over due to put something new out there, especially if you want to keep in the race. I suggested to mac they try and convert the 5.7 to cabin status and have a berth in it for a nap' question?, is it the deeper v the more fuel usage and boats like the mac very shallow use less fuel
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Posted By: wet one
Date Posted: 30 Sep 2013 at 3:08pm
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I love your old 570 I brought off ya H'd-up, Sure its not cheap on gas but still affordable, I'd rather pay a little more each trip than cop the difference between buying a 4 stroke instead. We've removed the seats & fitted a 160L icey tec in the centre of the deck now & with a padded top it doubles as a seat big enough for the x4 of us, moved the bait board back about 250mm,awesome fishing room now. Havent go wet yet, but Im not as tall as you and duck if I see it coming  Just need the weather to clear now..... Best thing is its so quite to fish from even with our 8 & 10 year old boys banging & crashing around. Hope ya like your new boat Mate. Cheers.
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Posted By: H'd-Up
Date Posted: 30 Sep 2013 at 5:07pm
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Thats good to hear mate! Im sure you and the family will get heaps of enjoyment out of it for a long while! And your right, being a short ass you should be able to hide behind the dodger haha. Good idea with the icey tec to, would be primo.
Very happy with the new craft but your on the money about the weather its been a real SOB for the last few weeks, I'm hanging out to to get out and drop a line!
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Posted By: rahui
Date Posted: 01 Oct 2013 at 12:19pm
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opinion on the indestructability and flotation of the mac boat, I had a 360 and dragged it up on the rocks it handled it , but I did notice it started to scuff and become noticeable. question, anyone ever been swamped or do you reckon they are unsinkable,is there such a thing as a unsinkable boat, it certainly puts your mind at rest to know you have a duck underneath you and not a chicken.
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Posted By: pirate
Date Posted: 01 Oct 2013 at 5:28pm
Me and a mate went out with this old bushman dude a few years back in his mac 360/ 15hp zook 4 stroke out from onetai by waikawau beach, north taranaki. His large forrestry/hunting block bordered some prime remote fishing so a beach launch was the go, been a surfer of 25 years i know a thing or 2 about reading the waves etc.. however he was a stubborn old bugga and not listening to my suggestion of an easy launch in a big flat hole 200mtrs down the beach and with no shorebreak, we ended up going straight off his batch in a 1.5mtr breaking wave filled surf zone. Nevermind he said.. 'might get a cupla greenies over the front but f it'. Long story short we did indeed take a couple over the front and completey swamped it but bugga me that little mac stayed afloat and the zook kept pushing us no probs.Had to laugh when this old gezza tells me to stat bailing with this 1ltr bucket.. only took a couple hundred bails  . We got some snapper though
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Posted By: OneWayTraffic
Date Posted: 02 Oct 2013 at 12:43am
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They will float when swamped. I have a Smartwave which is similar in that respect. Also with a fair bit of foam between hulls they won't sink, even should water get in between the hulls. As far as I can work it out, my Smartwave 3500 has about 600l of foam bouyancy, and a similar amount of air between the skins.
They could capsize though, but you'd be trying hard to do so. Even then they should float inverted indefinitely. There's at least one documented case of a well known brand Aluminium pontoon craft capsizing and sinking when swamped by a following sea so the foam is worth the hassle IMO.
http://www.maritimenz.govt.nz/Publications-and-forms/Accidents-and-investigations/Accident-reports/Big-Johnson-041150-mnz-accident-report2004.pdf" rel="nofollow - http://www.maritimenz.govt.nz/Publications-and-forms/Accidents-and-investigations/Accident-reports/Big-Johnson-041150-mnz-accident-report2004.pdf
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Posted By: rahui
Date Posted: 02 Oct 2013 at 1:39pm
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yes I am from hawkesbay and the incident was a real tradegy. the boil is a vey dangerous place especially at low tide, the waves can really climb up off the reef out of know where. I took my partner and baby of 6 months for a ride one nite to drop off some pots, and I didn't really know the area,[10 years ago], same year as accident] the misses was at the wheel when I was throwing the pots and we drifted into that danger zone 1.5 mtr waves from know where, I just dived for the wheel and smashed head on thru them, got out, but could have gone the other way. I beat myself up for a while as I didn,t do my home work. I have heard of a lot of boats splitting and sinking, I surpose I am glad I have a mac as even if it capzises it will be a big life bouy and it would be relatively easy to get on top of it. I think they have worked out that buoyancy in the deck can be dangerous,bouyancy in the gunnels is the key, and heaps of it. I don,t think there would be a safer boat than a mac
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Posted By: OneWayTraffic
Date Posted: 02 Oct 2013 at 10:58pm
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Agreed. Positive bouyancy with a mixture of air and foam sealed in a flexible plastic housing that will give a little to absorb stress, where even a weld might pop. And then a nice easy shape to climb up on even if upside down.
Metre for metre, Macs, Zegos, Smartwaves, inflatables and RIBS are as safe as small boats get IMO. If I ever get an Aluminium pontoon made I'll ask to have the top half of the pontoons foam filled.
So what if they're wet? It's just water. You can dry off at home, at least you can be sure that you'll get there.
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Posted By: cirrus
Date Posted: 04 Oct 2013 at 7:46pm
OneWayTraffic wrote:
They will float when swamped. I have a Smartwave which is similar in that respect. Also with a fair bit of foam between hulls they won't sink, even should water get in between the hulls. As far as I can work it out, my Smartwave 3500 has about 600l of foam bouyancy, and a similar amount of air between the skins.
They could capsize though, but you'd be trying hard to do so. Even then they should float inverted indefinitely. There's at least one documented case of a well known brand Aluminium pontoon craft capsizing and sinking when swamped by a following sea so the foam is worth the hassle IMO.
http://www.maritimenz.govt.nz/Publications-and-forms/Accidents-and-investigations/Accident-reports/Big-Johnson-041150-mnz-accident-report2004.pdf" rel="nofollow - http://www.maritimenz.govt.nz/Publications-and-forms/Accidents-and-investigations/Accident-reports/Big-Johnson-041150-mnz-accident-report2004.pdf
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Reading that accident report leaves a few questions. 1/ Says it was a senator type boat made in Napier. Does that infer it was a profile. 2/ Have seen videos of swamp tests in pontoon boats claiming they stay upright.This one didnt 3/Wave came over stern. Trying to imagine how that would happen 4 Next wave rolled it. 5 / Bit of a worry re stability claims made for pontoon boats.
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Posted By: OneWayTraffic
Date Posted: 04 Oct 2013 at 9:06pm
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I think any boat can roll if loaded up with men and swamped with a following sea. Some are harder to roll than others.
I think most stability tests are done in controlled conditions, not in significant wave heights of 1m, which means that every couple of hours you get a wave of about 2m on average. Then there's the effect of waves coming off the reef etc. I think the report said that the conditions where marginal for any boat of that size. It was the sudden loss of power and steerage combined with a bit of panic whilst trying to restart that did them in I guess.
Still if they'd been on a Arancia IRB or a Thundercat they would have gotten home in one piece. I can't help but think a Mac 420 would have gotten them home as well. Or any boat with positive flotation, which theirs had in theory at least. I'm guessing that some of the welds popped, or something, but we will never know for sure except that if the pontoons had remained watertight the boat wouldn't have sunk.
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Posted By: cirrus
Date Posted: 04 Oct 2013 at 9:48pm
something unforseen must have happened. assume it may have been a profile as that fits the size and is like a senator and made in napier.Maybe water from deck got down into bilge and moved to one side coupled with passanger weight on same side ,got the death roll and over it went. Given the right combination conditions no boat is safe,not even a 100,000 ton bulk carrier. For me still find my pontoon boat has excellent stability which i like.
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Posted By: red89mx
Date Posted: 04 Oct 2013 at 11:33pm
Any of you Mac420 - 470? guys looking at selling soon? Mate down here Wellywood looking for one.
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Posted By: rahui
Date Posted: 04 Oct 2013 at 11:36pm
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I don,t think it was a profile. I am not going to guess, it was a standard pontoon of 4.75 mtrs in length. I think that what happened would have rolled most boats given the 4 men on the one side and a couple of huge dumpers from the reef filling the boat. the Tradegy is that it sunk. all the modern boats today are validated with air bouancy, wip de doo.When you are in a rough sea and you get smash and half the side of the boat is ripped, and it can happen. What do you want. AIR BOUANCY or good old foam or plastic that you know has positive bouancy. If I am going alloy it has to be heavy guage from know on and lots of sealed air compartments. my Grand father drowned at sea and I have had a couple of near misses so the report has hit home a bit, I surpose the macs are hard to beat in safety but they are still bludy wet.
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Posted By: OneWayTraffic
Date Posted: 05 Oct 2013 at 10:38am
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I wonder if there are any cases of a plastic, foam filled boat sinking? The Maritime NZ site has several case studies:
Two pontoon type craft: 1. Stabicraft Capsize on Raglan bar but stayed afloat. 2. The above capsize and later sinking. (Maybe a couple of hours after capsize, it's not clear exactly, but sufficient time to call for help with a PLB or VHF.)
Three older fibreglass boats.
1. Sea Nymph Hustler hit by wave on Manakau bar, rolled and sunk due to insufficient or compromised flotation. 2. Collision and ejection of crew on Tekapo. 3. Foundering of Glasskraft Envoy near Wanganui. (Probably caused by leaks into flotation void.)
Two regular cuddy cabin style Aluminium boats.
1. Ramco 6m boat Hit by 2m+ wave beam on and capsized near shore. 2. McLay boat capsized while trying to tow above Stabi out of trouble. Bad decisions, not the boats fault.
And a couple of tinny dinghies.
1. Overloaded dinghy foundered on lake 20m from shore when swamped by wash. No lifejackets, no fatalities. 2. Fyran 4m dinghy/runabout with poorly repaired leaks and excess weight at the back sunk. Both on board died.
I know that these reports are just a tiny sample, but I don't recall any cases of a Mac, RIB, IRB or Smartwave actually sinking. All the media coverage of boat accidents seems to cover at least some of the same old: marginal boat, overloaded, no lifejackets, no communication, alcohol, poor decisions, bad luck.
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Posted By: cirrus
Date Posted: 05 Oct 2013 at 11:19am
With a mac you may get home a bit wet but you will get home. Re the accident report they should have pictured the actual boat brand rather than something similar. I have always held senator & profile in high regard.
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Posted By: cirrus
Date Posted: 05 Oct 2013 at 11:28am
as for my current frewza-i once went out minus the bung. Really dumb i know but i did. Anchored up off admin bay after a run out from Takapuna. Noticed water begining to flood over deck,so would assume all underfloor was full or part full before this happened. Up anchor ,opened throttle very slightly half expecting water to rush to stern. Stern stayed upright . Slowly opened throttle until planing. No noticeable rush of water to stern.Got back just fine . Maybe a bit more side to side roll than normal crossing rangi channel with beam on chop. Assume alot would have drained out once motoring ,but still no mishap.
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Posted By: rahui
Date Posted: 05 Oct 2013 at 5:37pm
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Most pontoons today will have at least 6 separate buoyancy chambers and they are pretty bullet proof. But you have to drive to the conditons and also not overload your boat. still said macs would be the safest boats for there size by a margin. the only mono hull you would get me in is a custom made one or big name, surtees, white pointer, extreme ect... I just don,t like the way mono hulls list when you all move to one side, bludy dangerous.
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Posted By: HB_fishdive
Date Posted: 07 Oct 2013 at 12:42pm
I have a mac 420fisherman and I love it, esp for the price I payed. I have a 60hp yammy 4stroke on it but still feel a bit underpowered at times. Doesn't help with the amount of gear I carry with me. Mine has a bigger windscreen and half clears but I still get wet in any sort of quartering sea.
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Posted By: rahui
Date Posted: 08 Oct 2013 at 12:46am
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sounds like a mean set up you have, I only have a 50hp suzuki 4 stroke. all 2007, it is the centre console, bludy wet. I normally fish alone or take my 10 yr old son. gets a long probably because it is quite light.Mate nothing will beat the mac for a quiet fish in the evening, soft baiting those big snaps, very quiet and very lethal machine, just gotta put yourself in the zone,Don,t have to travel,i catch snaps all the way along in close up to wirinaki, needs to get a bit warmer. quite a few trevalley around at the mo. I gotta feed of trevs and moki on sunday, got a couple of big lemons too.
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Posted By: rahui
Date Posted: 08 Oct 2013 at 12:01pm
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a special message to my best mate Rodger Duff who passed a way on the 17/10/2012, rest in peace my mate , FISHING FOR LIFE, nothing has changed gas price has gone up, govt has made it harder, trawlers are in closer, weather is more unpredictable, misses still moans , arthritis setting in and people still expect a feed without putting there hand in their pockets but the thought of that big snaps on the end of that hook or the unknown that fishing brings and the adrenalin and pure excitement out ways the negative and that is why we do it FISHING FOR LIFE.
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Posted By: WesternBoPFisher
Date Posted: 24 Jul 2021 at 8:14am
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Yeah, expect a splash or two in the 420 Fisherman. Regarding the following sea question, After 10 years with an old tohatsu I repowered my Mac 420 with a 50hp Honda 4 stroke (the reliability, low noise and fuel savings are awesome) but I noticed the extra weight aft. I added a permatrim last summer. - It instantly brought the bum up so no issue with following seas or coming off the plane now, and it has almost halved the time to get on the plane - definitely recommended! <:IIIII-<
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