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- Cummins Marine Forum Topics
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Twin Disc – black rubber pieces in the engine room?
This topic has 6 replies, has 6 voices, and was last updated by
1 year ago
October 30, 2017 at 5:24 pm ENGINES = MAKE / MODEL – CUMMINS 6CTA8.3-M3, 450 HP ā Age 2/23/00 (17.5 years) TRANSMISSION ā 506A 1.75:1 TWIN DISC #P8413 I am noticing small black 1/8″ size pieces of black soft plastic. It almost looks like off a belt. It is coming from the vents on my Twin Disc transmissions. A few pieces on the stb. engine (find 3 – 5 pieces) and port more ( find 5 – 10) after each run of the engines. I wash and clean the engine…
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in: Marine Transmissions
6 RepliesOctober 24, 2022 at 7:58 pm Who did the repair for you? I had one side done right after I bought the boat, but the starboard side was supposedly on back order. I since then moved my boat from San Diego to HB and looking for a good mechanic to complete this starboard side for me. Any suggestions? thanks in advanceLast Post by:
posted: 1 year ago
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Flow scan calibration ?
This topic has 1 reply, has 2 voices, and was last updated by
1 year ago July 5, 2022 at 6:16 pm Hi all,Ā Ā SMX ED-X Digital Display: My flow scan is off a bit, is there a way to recalibrate ? I have noticed that when i goto refill up, i end up putting in more than it says i used Ā Thanks all
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in: Cummins Marine Engines
1 ReplyAugust 14, 2022 at 6:14 am Best to drop Corey at note with a detailed chart showing the differences. Do you have a generator? On my own boat, single QSB 6.7 550 engine with an average of 90-160 gallons between top-offs, it’s amazing close.ĀLast Post by:
posted: 1 year ago
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480CE High Fuel flow at Cruise
This topic has 8 replies, has 5 voices, and was last updated by
2 years ago
September 1, 2021 at 4:47 pm I just completed a survey and sea trial on a boat with twin 6CTA8.3-M (480 CE) engines. During the sea trial I had a cummins tech riding along with his laptop hooked up monitoring the engines. He said they ran good with the exception that they didn’t make full RPM. Once I got his full report, I noticed that the fuel flows during cruise were also way too high compared to the cummins power curve. Looking through Tony’s tips I learn…
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in: Cummins Marine Engines
8 RepliesSeptember 15, 2021 at 3:30 pm BTW, I now run 23×25 props vs. stock which were 23×27. Hope that helps!Last Post by:
posted: 2 years ago
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RPM Drop 200-400 rpm While Cruising 5.9l 6BTA 330
This topic has 4 replies, has 4 voices, and was last updated by
3 years ago February 10, 2021 at 9:48 am Hello, My starboard engine while cruising at about 2400 rmp will randomly drop about 200-300 rpms then recover right away. I have a 2002 Bayliner 3988 with twin 5.9L BTA 330hp engines with about 400 hours. I have had the boat about 6 months and it has been off and on the whole time I have had it. I have all the maintenance records and it has been maintained by the same mechanic since it was new. I have replaced all the fuel filters and replaced…
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in: Cummins Marine Engines
4 RepliesFebruary 12, 2021 at 7:39 am Greg, The poster has mechanical engines so no “POT”.. But what you offered is good advice if one has electronic engines and a “ETC” , electronic throttle control using a potentiometer. ..Last Post by:
posted: 3 years ago
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Cummins 6CTA 8.3 M4 AKA 480CE
This topic has 18 replies, has 8 voices, and was last updated by
3 years ago December 30, 2020 at 8:32 am I want to replace my walker airsep coalescing filters, however, the filter is encapsulated by the walker Airsep body….so it is not like a cartridge filter that can be removed and replaced……My question is, are all airseps like this or is there a version that allows you to remove and replace this filter when itās time? The sticker on the side lists Cummins part #3866468 straight filter. Looking online and canāt seem to find infor…
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in: Cummins Marine Engines
18 RepliesJanuary 14, 2021 at 7:48 am I am not happy at all with the install.. The hose attached to the engine needs to be extended and “looped” all the way down to the stringer level and then back up the the S&B filter.. Once that is done, then cut the hose and install the bottle at the lowest practical point.. Plenty of pics of this on this web site TonyLast Post by:
posted: 3 years ago
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6CTA block heaters
This topic has 5 replies, has 3 voices, and was last updated by
3 years ago
October 20, 2020 at 10:15 pm Its starting to get cold up here in New York and I’m wondering what people are using for block heaters? I see block heaters that use the freeze out plugs but I rather not do that method. I saw the oil pan heaters as well but I have little access and that looks like a giant pain…
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in: Cummins Marine Engines
5 RepliesOctober 25, 2020 at 11:30 pm Tony said he doesn’t recommend high wattage heater for marine applications but doesn’t say why. I’m fine with low watts I just want one in the coolant not glued to my oil pan…Last Post by:
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Changed fuel filters, engine won’t start
This topic has 8 replies, has 5 voices, and was last updated by
3 years ago
September 13, 2020 at 2:27 pm Tried to be a hero by doing simple stuff myself for the first time……but it ain’t working out as planned. Changed my Racors last week. Finally found the secondary filters for the 480 CE’s and switched both out today. Forgot to add fuel into them before install. Still, STBD engine started. Stopped after a bit. Started again and pharted once or twice but then ran fine. The Port engine, well no luck. Removed the new filter, f…
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in: Cummins Marine Engines
8 RepliesSeptember 23, 2020 at 4:15 pm Success. Undid the fitting attached to the injector pump, loosened an injector line above, had a bud crank it over since pumpi g the primer wasn’t getting me anywhere, fuel started to spill from the fitting, then the injector line and the beast fired up. Thanks for all the help and suggestions. I feel like a pro now. Changed the oil, too her out for a WOT end of season dash and when I peeked into the bilge whn back at the dock I found a c…Last Post by:
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480CE — ZF280A Torsional Coupler
This topic has 2 replies, has 2 voices, and was last updated by
3 years ago September 6, 2020 at 10:51 am Hi Tony and gang. I chimed in on another thread involving this torsion coupler but I don’t want to stomp on his thread with my issue so I started my own her So I have recently started to see remanence particles which I believe to be my torsion coupler going bad. I had my dock mate on the boat this morning who just went through this and he thinks the same thing. He told me it looks like there is more than enough room to complete this task w…
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in: Cummins Marine Engines
2 RepliesSeptember 7, 2020 at 2:44 pm Thank you for the reply Tony, I pulled the inspection screen off and I believe mine to be the Centa CFR. I have a few offshore trips this week that consist of a 2.5 hour run each way and now knowing I have this occurring, it makes me a bit nervous going. I have not seen any performance issues. Should I address this immediately ? Thanks once again for your help. GregLast Post by:
posted: 3 years ago
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480CE RPM jumps 100-200 every now and then ?
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This topic has 30 replies, has 4 voices, and was last updated by
3 years ago June 13, 2020 at 5:05 pm Hello all, 2003 Carolina Classic 480CE I have searched the forum here and google and have found similar issues of rpm dropping but my hiccup is it jumps up some. I have had this problem on and off for a year now, it comes and goes. It will not do it at idle in the slip. It happens when i’m trolling at low rpms I turned my engine sync off and have isolated it to the starboard engine 100%. Racors are checked daily as I charter the boat an…
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in: Cummins Marine Engines
June 23, 2020 at 6:13 pm Well I’m happy to say, 2 full days with ZERO hiccups in the RPM’s jumping around I am confident the issue was a bad connection at the engine harness Thanks all for chiming in And another big Thank you to Tony pointing me in the correct direction Greg
30 Replies
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posted: 3 years ago
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Fuel flow measurment / 480CE
This topic has 12 replies, has 7 voices, and was last updated by
4 years ago
February 28, 2020 at 12:34 pm I see and understand all of the guidance about propping the 480CE to the 450 curve, makes sense. The specific question I have goes to the fuel flow measurment technique used to see where you are relative to the 450 curve. Is it adequate to use the fuel flowrate generated by the 480CE’s ECM’s? (which are routinely displayed to the helm as the actual fuel flow rate) I fully understand that the displayed fuel flow is not an actually-mea…
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in: Cummins Marine Engines
12 RepliesApril 30, 2020 at 6:39 pm William Walter wrote: David I have a 2003 tiara also. One thing I learned about re pitching props is you have to tend to your running gear and bottom first to have fair platform to start from.Once you have that squared away and you have good numbers you can tend to props. I took about 1 inch off my props which are the same as yours.If you look in prior threads you can see my numbers.Bill Very true. Sometimes just removing some cup also is enoug…Last Post by:
posted: 4 years ago
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engine monitoring on my Garmin for my 2004 480ce
This topic has 5 replies, has 5 voices, and was last updated by
4 years ago February 25, 2019 at 12:21 pm I would like to know if there are adapters available so my Garmin can monitor my twin 2004 cummins 480 ce instead of replacing my burnt screens for my ED1 displays.
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in: Cummins Marine Engines
5 RepliesAugust 8, 2019 at 8:17 am Only way to hook up a boat with 480CE engines is to source a J1708 to NMEA 2000 translator/gateway and “piggy back” the data wires that go into the back of the ED1/ED3 display. Those engines are pre-SmartCraft and have no junction boxes, etc.Last Post by:
posted: 4 years ago
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RPM's fluctuate a bit when trolling
This topic has 2 replies, has 2 voices, and was last updated by
5 years ago May 9, 2019 at 10:34 pm Hi all, 2003 6CTA 480CE So I noticed today while trolling @620 Rpms 6 knots, I noticed my engine speed bumped up a few different time by about 150 rpms, then would drop back about a minute later. It did this about 6 times total over 5 hours. Only thing I did different today was run the fridge on DC power. Other than that, boats runs perfect any input would be appreciated Thanks Greg
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in: Cummins Marine Engines
2 RepliesMay 12, 2019 at 6:12 pm I have the ED-1 displays I will be running the boat in the next few days and i will keep an eye on it, my engines were synced so I’m not even sure which engine did it keep you posted Thanks TonyLast Post by:
posted: 5 years ago
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6CTA 480 secondary fuel filter install
This topic has 10 replies, has 3 voices, and was last updated by
5 years ago February 8, 2019 at 7:25 pm Hi all. So I have had my boat since early September, the previous owner was not running her much so I have been working on cleaning up the crap in the tanks. After purchasing the boat ” 35 Carolina Classic ” I purchased 12 primary filters because i knew i’d blow through them, and I have. 1st thing I did was have my main tank polished, we removed a fair amount of crud, pumped tank out and inspected with scope and look really g…
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in: Cummins Marine Engines
10 RepliesFebruary 9, 2019 at 7:44 pm Just came from the boat. 33 degrees out now Engine room right at 58 degrees with Wolverine 250’s running 24/7 Disconnected POS and NEG from heater grid at manifold Key to on position and zero faults like Tony said. Fired engine up and smoked no more than it usually does. Voltage running was 13.80 If this is the wrong way to temporarily disable the heater grid Please, please chime in. Once my fingers heal and it warms up some, I will comple…Last Post by:
posted: 5 years ago
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Limited access to bottom of oil pan, best alternative to pad heaters
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This topic has 25 replies, has 9 voices, and was last updated by
5 years ago December 10, 2018 at 8:12 am Hi all, My 6bts take awhile to start. I know the wolverine heaters are ideal, but access to the bottom of my oil pan is just not there for them. What is the best alternative? Thank you
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in: Cummins Marine Engines
January 27, 2019 at 12:56 pm That’s just over $50 A month. Not too bad to protects all that expensive iron. 25 Replies
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posted: 5 years ago
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Aftercooler zincs 480CE
This topic has 1 reply, has 2 voices, and was last updated by
5 years ago December 31, 2018 at 5:46 pm Question, I’ve owned my boat for about 4 months now, upon delivery port engine was rebuilt and NEW aftercooler was installed. Today I thought I would check on the zincs, Starboard top aftercooler zinc was like 85% there. Port top new aftercooler zinc was just a square nut with no zinc on it at all ?? Contacted the mechanic who has previously done the work on the boat and he explained to me the top one is not really necessary and in his opi…
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in: Cummins Marine Engines
1 ReplyJanuary 1, 2019 at 5:17 am Well I guess you do doubt him or you would not have brought the question here for other opinions …no harm in that. I do agree that the top zinc is “almost” useless but I do not agree that it has any ill effects and should be left out.Last Post by:
posted: 5 years ago
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Wolverine Oil Pan Heater
This topic has 2 replies, has 3 voices, and was last updated by
5 years ago November 20, 2018 at 9:11 am Is it ok (safe) to leave this on all the time?
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in: Cummins Marine Engines
2 RepliesNovember 20, 2018 at 1:24 pm Steve Littman wrote: Is it ok (safe) to leave this on all the time? Yup, that’s how they work best.. Is she staying afloat for the winter or on the hard? Not that it matters, run the Wolverine regardless. Northport, small world, I was on a job in Huntington today.Last Post by:
posted: 5 years ago
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Qsc8.3 block heater
This topic has 1 reply, has 2 voices, and was last updated by
5 years ago November 14, 2018 at 7:27 am Which wolverine model should I use to heat my oil pan for easy start during winter months. I was planning on using the pan heater instead of block heater…unless you recommend block heater instead… Also what is proper placement of both items…meaning how do you attach the oil pan heater to the oil pan And Where is the block heater get placed (if I go with this option)
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in: General Discussion
1 ReplyNovember 14, 2018 at 8:50 am So I just went through these options last month. Per Tony’s advice, this is what I did I have 6cta 480CE 8.3 He recommended the wolverine 250 watt version. The more I got to thinking about it the less I wanted ” Block heaters ” especially high wattage ones. It’s not really cold enough for me to be using these but I did leave them on overnight and WOW, the entire oil pan is VERY warm and that heats just rises. As for inst…Last Post by:
posted: 5 years ago
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Walker airsep 480 ce
This topic has 12 replies, has 6 voices, and was last updated by
5 years ago October 15, 2017 at 9:51 am I just bought new airsep filters and oiled them for my 480 ce.i believe I put the same amount of oil on both but after running the boat at wot the other day I noticed the red oil from the port eng filter in bilge and not a drop on the stbd side.engines ran great at wot 89 percent load at 2680 rpms.not sure what the oil blow back means on just the one side.bill
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in: Cummins Marine Engines
12 RepliesNovember 13, 2018 at 3:43 pm Greg my airsep was damaged pretty bad from someone pushing it down into the clamp.after repairing that hole it fixed most of the problem but probably was leaking a little from a crack.was going to do what you did but after talking to walker again I elected to buy a new one.i was also informed that the airsep we have has a finite life due to the baffling.now I don’t lose a drop of oil from the airsep.got a good deal thru west which could sp…Last Post by:
posted: 5 years ago
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Walker Airsep oil leaking Myth figured out
This topic has 3 replies, has 3 voices, and was last updated by
5 years ago November 11, 2018 at 11:56 pm Hello all, So I have a 2003 Carolina Classic 35 with Cummins 6cta 480ce that I bought a few months ago and I have been going through the boat fixing, cleaning upgrading ectā¦ So from day one and even on sea trial I asked about these several drops of oil below my Walker Air filters. This has been bugging me about oil dripping out of them, sometimes iāll noticed maybe a teaspoons worth and sometimes just a few drops depending on how often I checked…
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in: General Discussion
3 RepliesNovember 13, 2018 at 3:24 pm Cheaper and easier, IMO EnviroVent CCV Kit 6CTA 8.3 & QSL 9 SeriesLast Post by:
posted: 5 years ago
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Block Heaters ??
This topic has 12 replies, has 6 voices, and was last updated by
5 years ago October 17, 2018 at 5:01 am Hello all, I have a 03 35′ Carolina Classic that I’ve owned now for a few months. Cummins 6CTA 480CE engines and I’m considering block heaters. I see some have used the heater pad that sticks to the bottom of oil pan and some who use actual block heaters. Any advice on which route to take would be great, I live in Virginia beach so we do get cold weather but nothing like you all up north Thank you
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in: Cummins Marine Engines
12 RepliesOctober 20, 2018 at 4:13 am David, Very clever !!!! TonyLast Post by:
posted: 5 years ago
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Twin Disc – black rubber pieces in the engine room?
