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    • Cummins Marine Forum Topics
    • Chatter

      This topic has 2 replies, has 2 voices, and was last updated byMike Pettee 7 years ago

      June 11, 2017 at 2:30 pm ZF 220. Developing a chatter noise in neutral and idle forward. It does not do it in reverse. No loss of performance, and it does not appear to be slipping. 1990 Blackfin 32 Combi. Cummins 370s 2006 Scout 190 Costa/Mercury 225 ProXS

      Started by: Mike Pettee

      2 Replies
      June 11, 2017 at 7:20 pm I have not noticed any other sounds at shutdown or otherwise. Both my engines seem to idle low (sub 550ish per tach, with the port engine being lower thab stbd. I usually bump them to 650 to 700 for my idle speed through the canal. At 660 to 700, the chatter is not existent. I will get in there and get pics the best i can. No dust or anything that i noticed. 1990 Blackfin 32 Combi. Cummins 370s 2006 Scout 190 Costa/Mercury 225 ProXS

      Last Post by: Mike Pettee posted: 7 years ago

    • Trans oil press

      This topic has 9 replies, has 3 voices, and was last updated byTony Athens 7 years ago

      May 30, 2017 at 10:45 am In the below picture, is the port which I would use for oil pressure monitoring during trolling valve operation circled in red correct? I assume I am looking to monitor the oil pressure to the clutch plates? And if this is the correct port is it a 1/8 NPT or some other thread? What would be the operating max pressure I would see and what rating hose should I use?

      Started by: Philip

      9 Replies
      June 5, 2017 at 7:18 pm You are literally “spinning your wheels” blind unless you have one or both of thise things at you helm to monitor accurately.. Clutch pressure Shaft RPM Throttle position will tell you NOTHING.. Tony Seaboard Founder & President

      Last Post by: Tony Athens posted: 7 years ago

    • Gear oil for Hurth HSW 800 V1 (ZF)

      This topic has 2 replies, has 2 voices, and was last updated byRob Schepis 7 years ago

      May 30, 2017 at 11:14 pm Hi all, Simple question. I have two Hurth HSW 800 V1 (pre ZF), 1.6 ratio. Which oil is preferred ? Oil is a jungle and manual I have is for the later ZF versions stating just Dexron II or III. I can get the “Castrol Transmax Dex III multivehicle” for a good price. Is this a preferred oil for this gearbox ?

      Started by: Troels

      2 Replies
      May 31, 2017 at 4:53 am You’re good to go with that ATF Rob "Luck is the residue of good design."

      Last Post by: Rob Schepis posted: 7 years ago

    • ZF 220 .. how much will they handle really …

      This topic has 1 reply, has 2 voices, and was last updated byTony Athens 7 years ago

      May 26, 2017 at 4:02 am Hi looking at running ZF 220 (1;1) on cummins qsb 5.9 ( 355 hp @ 2800 ) hamilton jet hamilton hj 274 , i operate around 550 hrs p/year so between pleasure and light i am trying to keep weight down trouble is everthing starts getting a lot bigger/ heavier after the 220

      Started by: grotdeb

      1 Reply
      May 26, 2017 at 7:58 am If you prop ( impeller) your engine to make the governor break point of about 2890 RPM, then the ZF220 will give you good long term service and to its HP & torque capabilities even in heavy duty high annual hour service.. Tony Seaboard Founder & President

      Last Post by: Tony Athens posted: 7 years ago

    • hoses

      This topic has 2 replies, has 3 voices, and was last updated byTony Athens 7 years ago

      April 3, 2017 at 6:54 am is 5/16 hydraulic hoses ok for a zf 220a? thanks dale

      Started by: dale

      2 Replies
      April 27, 2017 at 3:19 pm Totally missed this post……Sorry……………   The ZF220A needs at least #6 hyd hose with a minimum of a 2000 PSI WP rating for safety (SAE R1 or equal).. We prefer to use JIC #8 fittings even if use #6 hose(very common) .. #8 hose is also fine.   Tony Seaboard Founder & President

      Last Post by: Tony Athens posted: 7 years ago

    • ZF80A High Iron in Oil

      This topic has 7 replies, has 3 voices, and was last updated byTony Athens 8 years ago

      April 13, 2017 at 3:04 am We recently signed a contract to sell our boat which has Cummins 6BTA5.9’s coupled to ZF80A transmissions. The buyer had oil samples done and all were normal exept the port transmission which came back with a high iron content of 219ppm. We have only had the boat 12 months and I’ve done almost everything exept change the transmission oils on her. I do not want to sell her to the buyer in the current state if this is going to become a…

      Started by: Brett Griffin

      7 Replies
      April 16, 2017 at 6:54 am “Plug & Play” replacement ( internal design changes only).. Availability is usually 1-2 days max…   Tony Seaboard Founder & President

      Last Post by: Tony Athens posted: 8 years ago

    • Volvo HS63AE-C rev-monitor (or lack of)

      This topic has 4 replies, has 3 voices, and was last updated byMatthew Hanna 8 years ago

      February 19, 2017 at 7:54 am I am helping someone with electric cabling concerns with putting in new Volvo D4 300’s and mating HS63AE-C transmissions.The engines have a transmission wiring harness that includes the A & B for forward and reverse but also one marked ‘rev-sensor’. From what I have found it looks like that rev-sensor connector is for trolling valve type transmissions and it is used to monitor the output shaft RPM. I think the HS63s are rea…

      Started by: Matthew Hanna

      4 Replies
      February 25, 2017 at 7:09 am Thanks for replying and letting me know, you guys are very helpful. Matt

      Last Post by: Matthew Hanna posted: 8 years ago

    • Gear differences

      This topic has 6 replies, has 3 voices, and was last updated byTrevor Parnell 8 years ago

      January 14, 2017 at 6:11 pm I am trying to locate another ZF220a in 2 to 1 , found a few zf63a’s around but haven’t ever had too much to do with them. I know from the drawings that there is a difference in the angles of 2 degrees, and a few measurement differences, but will a 63a go where a 220a come out from?? I know there will be mods to mounts and such which aren’t a problem , but the are they major or minor, and the bellhousing adapter is different, a…

      Started by: Trevor Parnell

      6 Replies
      January 22, 2017 at 12:44 pm I realise its a totally different gear, I was asking about the input spline as I have a new centa coupling to suit a 280, and was wondering if it will fit the 220. As I also said, I’m thinking not but don’t have the 2 to compare.  

      Last Post by: Trevor Parnell posted: 8 years ago

    • ZF80A-1.6 Fluid Change

      This topic has 4 replies, has 2 voices, and was last updated byPatrick 8 years ago

      December 29, 2016 at 6:52 pm Hello all! Great forum you have here. Thought I’d ask if there was any tricks to changing the fluid in my ZF gear box. This is my first time. My understanding is: Warm up first, remove filter cover and filter, suck out old fluid through dip stick hole. Clean filter screen and replace same amount of fluid extracted with new Dextron III ATF. Check levels after brief run Here are some pics of my engine room and running gauge readings on the s…

      Started by: Patrick

      4 Replies
      December 30, 2016 at 7:32 pm The job was fairly easy after realizing the best suction hose access to the bottom of the gear case is through the filter hole.  The gears get in the way trying to snake the hose down the dipstick hole. Thank again. -Patrick  

      Last Post by: Patrick posted: 8 years ago

    • ZF285A – 2 questions

      This topic has 3 replies, has 2 voices, and was last updated byRob Schepis 8 years ago

      December 11, 2016 at 9:08 pm 1. I want to remove shift and trolling solenoids to clean screens. Can I just unscrew and spray with brake cleaner? Will that be ok for the o-rings?   2. I removed the 24mm bolt just under the filter in an attempt to clean the suction screen. Oil came rushing out and it appeared to be more of a cap plug and I didn’t immediately see the suction screen. Help.     thanks in advance….

      Started by: Philip

      3 Replies
      December 12, 2016 at 7:33 am If I recall my 220A drain plug is either 22 or 23mm, yours could be the same.. Rob "Luck is the residue of good design."

      Last Post by: Rob Schepis posted: 8 years ago

    • ZF280A transmission

      This topic has 2 replies, has 3 voices, and was last updated byRob Schepis 8 years ago

      December 3, 2016 at 1:20 pm What size socket is required to remove the magnetic filter/ oil filter on a ZF280A transmission? Also socket size for the drain plug. Very difficult to get at on my boat so I want to be sure I have the correct socket on hand. Thanks, John

      Started by: John Piccoli

      2 Replies
      December 3, 2016 at 3:49 pm And another: Removing the Magnet / Screen Hex Rob "Luck is the residue of good design."

      Last Post by: Rob Schepis posted: 8 years ago

    • Transmission oil Results

      This topic has 2 replies, has 3 voices, and was last updated byTony Athens 8 years ago

      November 15, 2016 at 5:26 am Looking at purchasing a Sea Ray Sedan Bridge 400 with ~500 hours on Cummins 6CTA engines with ZF transmissions. What is the oil change interval recommended? Oil sample results came back high on both transmissions for Iron and Copper.  Both were about the same with Iron at 63 ppm and Copper 495ppm. Is this normal or to be expected? Signs of an issue?

      Started by: Gavin Nagle

      2 Replies
      November 15, 2016 at 6:12 am A random oil sample on a properly operating gear, one with low hours, & one that has a visual oil inspection that looks clean & passes a “smell test” for anything burnt, is close to meaningless…………….Any experienced surveyor should know that, although in most cases rarely want to offer any opinions on the matter. Post some good pictures of the engines and the gear from all angles and perspectives.…

      Last Post by: Tony Athens posted: 8 years ago

    • newbie trans questions

      This topic has 19 replies, has 4 voices, and was last updated byDalton 8 years ago

      November 7, 2016 at 9:00 pm I have cummins 6bta engines and the boat is new to me but a 1999 with 500 hours. Fluids have been changed prior to my purchase. While looking everthing over I saw a dipstick on the transmission and another T-Handle type thing. When i slightly turned it I heard some air pressure release. What is this?

      Started by: Dalton

      19 Replies
      November 12, 2016 at 8:25 pm Great info guys! So here is my model of trans Hurth HSW 800 A2 2.0 As for that water puppy pump. I’m actually looking for something to pump out the oil from my 6BTAs, the trans, and even coolant from my generator so I can remove the heat exchanger. Do you recommend this pump for the job? It looks like just a standard bilge pump…? Side note, found out my westerbeke 12kw generator isn’t sucking any sea water at all. Only ran it f…

      Last Post by: Dalton posted: 8 years ago

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