Thank you.

Sent from the all new AOL app for iOS

On Friday, June 21, 2024, 2:04 PM, Ben McCafferty via Sentoa sentoa@lists.sentoa.org wrote:

Here’s the replacement plate for the gear (in a 37) that Mill Log (Twin Disc manufacturer) made for me when I picked up a trolling valve. The straight grade depends on operating temp. See my previous comment on 15W40 as an option as well.
Cheers!b

On Jun 21, 2024, at 10:16, Bill Kramer via Sentoa sentoa@lists.sentoa.org wrote:
My understanding is it needs to be 30 SAE and must be Non-Detergent oil. This from my Twin Disc manual. Regards, Bill 
On Fri, Jun 21, 2024, 7:02 AM sentoa-request@lists.sentoa.org wrote:

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Today's Topics:

   1. Changing Oil Twin Disc  Model MG5075-A (Robert Leviton)
   2. Re: Changing Oil Twin Disc  Model MG5075-A (Paul Bulk)
   3. Re: Changing Oil Twin Disc  Model MG5075-A (Ben McCafferty)

Message: 1
Date: Fri, 21 Jun 2024 14:36:15 +0000
From: Robert Leviton Robert@RobertLeviton.com
Subject: [Sentoa] Changing Oil Twin Disc  Model MG5075-A
To: Tim Wieringa via Sentoa sentoa@lists.sentoa.org
Message-ID:  <DM6PR14MB3534701F626789491A3681FBD6C92@DM6PR14MB3534.nam
        prd14.prod.outlook.com>
Content-Type: multipart/alternative;    boundary="000_DM6PR14MB353470
        1F626789491A3681FBD6C92DM6PR14MB3534namp"

Good Afternoon,

Working on Sea Gypsy, my NT 42-047, and need to change the TwinDisc Reduction Gear Oil.
Does anyone know the oil weight and quantity required for the change?

Thanks Very Much
Robert

I use CAT TDTO 30.Bessie. NT 32-238
Harry Hungate

On Jun 21, 2024, at 1:16 PM, Bill Kramer via Sentoa <sentoa@lists.sentoa.org> wrote:

My understanding is it needs to be 30 SAE and must be Non-Detergent oil. This from my Twin Disc manual. Regards, Bill

On Fri, Jun 21, 2024, 7:02 AM <sentoa-request@lists.sentoa.org> wrote:

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Today's Topics:

1. Changing Oil Twin Disc Model MG5075-A (Robert Leviton)
2. Re: Changing Oil Twin Disc Model MG5075-A (Paul Bulk)
3. Re: Changing Oil Twin Disc Model MG5075-A (Ben McCafferty)

---

Message: 1
Date: Fri, 21 Jun 2024 14:36:15 +0000
From: Robert Leviton <Robert@RobertLeviton.com>
Subject: [Sentoa] Changing Oil Twin Disc Model MG5075-A
To: Tim Wieringa via Sentoa <sentoa@lists.sentoa.org>
Message-ID: <DM6PR14MB3534701F626789491A3681FBD6C92@DM6PR14MB3534.nam
prd14.prod.outlook.com>
Content-Type: multipart/alternative; boundary="_000_DM6PR14MB353470
1F626789491A3681FBD6C92DM6PR14MB3534namp_"

Good Afternoon,

Working on Sea Gypsy, my NT 42-047, and need to change the TwinDisc Reduction Gear Oil.
Does anyone know the oil weight and quantity required for the change?

Thanks Very Much
Robert

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Message: 2
Date: Fri, 21 Jun 2024 08:01:16 -0700
From: Paul Bulk <crownprincenordic32@gmail.com>
Subject: [Sentoa] Re: Changing Oil Twin Disc Model MG5075-A
To: "South East Nordic Tugs Owners' Association (SENTOA)"
<sentoa@lists.sentoa.org>
Message-ID: <F61DDAB1-7051-4EF7-A957-692649C68102@gmail.com>
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My TwinDisk recommends a SAE30 single weight. I like the Lucas brand.

Paul Bulk
Crown Prince
Brentwood Bay, BC
32-191

> On Jun 21, 2024, at 07:36, Robert Leviton via Sentoa <sentoa@lists.sentoa.org> wrote:
>
> 
> Good Afternoon,
>
> Working on Sea Gypsy, my NT 42-047, and need to change the TwinDisc Reduction Gear Oil.
> Does anyone know the oil weight and quantity required for the change?
>
> Thanks Very Much
> Robert
>
>
> _______________________________________________
> Sentoa mailing list -- sentoa@lists.sentoa.org
> To unsubscribe send an email to sentoa-leave@lists.sentoa.org
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Message: 3
Date: Fri, 21 Jun 2024 08:01:54 -0700
From: Ben McCafferty <bmacpiper@me.com>
Subject: [Sentoa] Re: Changing Oil Twin Disc Model MG5075-A
To: "South East Nordic Tugs Owners' Association (SENTOA)"
<sentoa@lists.sentoa.org>
Cc: Robert Leviton <Robert@RobertLeviton.com>
Message-ID: <06FEFF4F-0D03-4531-B081-3F82F81F5484@me.com>
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Hi Robert—

I have 37-202 so it will be different for you, but there is a plate riveted to the gear that tells quantity and recommended weights. For mine, just for reference, it’s .85 gallons of SAE 30 or SAE 40, depending on climate. The dipstick also gives instructions for checking the level—on mine it says “engine idling in neutral” for checking the fill level.

I will also tell you—my guy at Mill Log (mfr of the Twin Disc) told me it’s fine to run 15W40 if you wish to keep a single type of oil on the boat (i.e. same as genset and main), IF you change it annually, and do not exceed 500 hours between changes.

Cheers!
Ben

> On Jun 21, 2024, at 07:36, Robert Leviton via Sentoa <sentoa@lists.sentoa.org> wrote:
>
> Good Afternoon,
>
> Working on Sea Gypsy, my NT 42-047, and need to change the TwinDisc Reduction Gear Oil.
> Does anyone know the oil weight and quantity required for the change?
>
> Thanks Very Much
> Robert
>
>
> _______________________________________________
> Sentoa mailing list -- sentoa@lists.sentoa.org <mailto:sentoa@lists.sentoa.org>
> To unsubscribe send an email to sentoa-leave@lists.sentoa.org <mailto:sentoa-leave@lists.sentoa.org>
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