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    • Cummins Marine Forum Topics
    • Gear differences

      This topic has 6 replies, has 3 voices, and was last updated byTrevor Parnell 7 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: 7 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. Ā 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. Ā 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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