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Old 03-06-2022, 09:10 PM   #1
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Pair of Twin Disc MG507A1 marine diesel transmissions

Pair of marine transmissions for sale. Twin Disc MG507A1 marine gears with 1.51:1 ratio. Removed from running take out 1995 Caterpillar 3208TAs with 2800hrs. I am selling as these were the wrong gear ratio for my application.
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Old 05-19-2022, 04:58 PM   #2
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Hi are these still available?

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Originally Posted by thedeltaskipper View Post
Pair of marine transmissions for sale. Twin Disc MG507A1 marine gears with 1.51:1 ratio. Removed from running take out 1995 Caterpillar 3208TAs with 2800hrs. I am selling as these were the wrong gear ratio for my application.
hi are these still available?
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Old 05-19-2022, 08:55 PM   #3
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Yes, they are still available.

There were a few details missing in my for sale post:
1) I am the owner of these transmissions.
2) These transmissions are currently located in Keswick, Ontario
3) Asking price is $4,500USD
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Old 05-20-2022, 02:27 AM   #4
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Hi, can I have a few pictures particularly of the input drive shaft engine side. Is the price for both units? My MG507-A1 is 1:98:1
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Old 05-20-2022, 08:49 PM   #5
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Price is for the pair. Do you want closer pics of the transmission input shafts or photos of the dampers that were originally coupled to these transmissions?
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Old 05-21-2022, 02:21 AM   #6
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Hi, yes please. The input shaft on mine is N54 teeth. Not sure about gear ratios because mine Is 1:98:1 so I'll ask my yard if they will fit my needs or if they can be adjusted.
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Old 05-23-2022, 09:47 AM   #7
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Hi, did you get my previous email? I'll need pictures of the input shaft teeth and number of teeth/splines abd diameter to check with my one. Let me know. Tks.
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Old 05-23-2022, 10:15 AM   #8
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Hi,

Sorry for the slow response. I will get some better photos on Saturday and measure the input shaft spline. In the interim I have attached the best image I have of the input shaft spline. Note the input shafts still have the adapter for the CENTAFLEX DS torsional damper attached. For reference the dampers that came with these transmissions were Centa part number CF-DS-40 (photo attached) which I reused with the gears I bought for my application, as they are sized for the 375hp 3208TA.
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Old 05-23-2022, 11:09 AM   #9
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Hi, thanks. I wouldn't need the couplings. I have vulcan on mine. They are 3306t. Do you have WhatsApp? Would be easier to photo etc. I would need a photo of the input shaft without the coupling. Thanks.
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Old 05-23-2022, 02:44 PM   #10
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I have confirmed that the input shaft spline is 19 teeth, both through counting teeth in the photo and from the attached Centa specs for this coupling. I will send you a direct message with my WhatsApp info.
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Old 06-10-2022, 04:05 PM   #11
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Sold
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