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Tuff Torq K46 Transaxle #4103882 05/22/16 07:42 PM
Joined: Mar 2004
Posts: 1
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choclate Offline OP
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Joined: Mar 2004
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What's the most robust oil for application

Re: Tuff Torq K46 Transaxle [Re: choclate] #4103910 05/22/16 08:12 PM
Joined: Jan 2009
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cronk Offline
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There were a couple threads on here, I remember one used Mobil 1 15w50.


2008 Ford F350
2008 Kia Spectra
2011 Nissan Quest
1986 Pontiac Trans Am
1940 Ford 9N Tractor
Amsoil lubes and filters!
Re: Tuff Torq K46 Transaxle [Re: choclate] #4103911 05/22/16 08:13 PM
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Rand Offline
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https://www.tufftorqservices.com/EnvEEde...DDING%20OIL.pdf

suggests non-detergent 10w30

then says syn 5w50 for heavy duty.


2019 Jeep Cherokee Trailhawk 2.0T
2020 Hyundai Elantra "Value Edition"
Re: Tuff Torq K46 Transaxle [Re: choclate] #4103928 05/22/16 08:39 PM
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Ethan1 Offline
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Mobil1 10W30 is popular

Re: Tuff Torq K46 Transaxle [Re: choclate] #4104062 05/23/16 04:40 AM
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SteveSRT8 Offline
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Originally Posted By: choclate
What's the most robust oil for application


Per TT's tech line M1 15W-50 works well. When I did my first change out at 50 hours it made my K46 MUCH quieter....


"In a democracy, dissent is an act of faith."
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Best ET-12.79 @ 111 mph
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Re: Tuff Torq K46 Transaxle [Re: choclate] #4104107 05/23/16 06:06 AM
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mlatour Offline
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I also use my Cub Cadet w/K46 to plow snow in the winter,
Mobil1 0W-40 has worked fine, very smooth even in below freezing weather.
(summer temps here are in the 65-85F range so not that hot)

If I only ran the tractor in warm/hot weather I'd likely use Mobil1 15W-50 instead.

Last edited by mlatour; 05/23/16 06:10 AM.
Re: Tuff Torq K46 Transaxle [Re: choclate] #4104231 05/23/16 09:10 AM
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lexus114 Offline
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GC 0W30 in my k46 works great! and eliminated that stupid whine it had as well. totally quiet now. btw they recommend 5W50 but any synthetic oil will be an improvement over the conventional oil in these things. they run hot! i can actually hold my hand on the bottom of it after cutting my .77 acre lot. could not do that before.

Last edited by lexus114; 05/23/16 09:21 AM.

2018 Nissan Maxima S
Re: Tuff Torq K46 Transaxle [Re: choclate] #4104766 05/23/16 08:47 PM
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JasonC Offline
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I run Castrol Syntec 5w50 in mine.


2012 Buick Verano 2.4
2006 Ford Mustang GT Convertible
Re: Tuff Torq K46 Transaxle [Re: JasonC] #4105051 05/24/16 07:57 AM
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jeepman3071 Offline
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Originally Posted By: JasonC
I run Castrol Syntec 5w50 in mine.


+1

I have a K66 in my Deere, but the Castrol 5w50 has worked very well. The transmission was much quieter and more responsive in reverse after doing the fluid change.


1998 Jeep Wrangler Sahara 4.0L/5MT (156k) - PHM 10w30, Wix 51085
2009 BMW 328i N51 (56k) - Castrol Edge Euro 0w40, MANN HU816X
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