Tuff Torq K46 / T40J ONE YEAR LATER (Oil Fill Mod Series Video 4)
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- čas přidán 28. 08. 2024
- A in-depth look at the Tuff Torq K46 one year after modifying it for on-machine oil changes. I originally intended to ONLY change the oil, but down the rabbit hole we go as events unfold.
Tuff Torq K46 Oil Fill Mod Series (⭐ = you are here)
1. • Tuff Torq K46 / T40J T...
2. • Modifying the Tuff Tor...
3. • Filling a modified Tuf...
3.1. • Relocating a modified ...
4. ⭐ • Video
🔧 Gearwrench 3/8 Digital Torque Wrench Video: • Gearwrench 3/8 Drive D...
Materials & Tool Links (some are affiliate links)
Drain plug parts/tools
• M10-1.25 Flange Bolts (new larger drain bolt): amzn.to/4cojAPl
- Here is the original M10 drain bolt with integrated magnet that I didn't like: amzn.to/3W5I1eE
• M10-1.25 Tap & Drill Kit: amzn.to/4clwA8F
• Aluminum Crush Washer Set: amzn.to/4bq6m3l
• Marine lower unit oil pump: amzn.to/3obOWod
- Must be modified to be used with a M10 hole. I made an adapter, but you could probably find a new fitting with M10 threads and a barb that fits the hose.
Tuff Torq parts
• Case sealant: amzn.to/40gF8Xk
- You can get the exact same product for cheaper by purchasing it from the manufacturers retail product (Tuff Torq doesn't actually make this): amzn.to/3XKy3ko
• Filter: amzn.to/40hWGlP
• Magnets: amzn.to/3KHxBuS
• Updated cap: amzn.to/3L0wd8a
Misc parts / Tools
• Gearwrench 3/8 Digital Torque Wrench: amzn.to/3RQyAgS
• Cutting fluid: amzn.to/41aLo4o
• Squeeze bottle (I used this for oil): amzn.to/3GNcCpl
• Locking forceps/tweezers: amzn.to/3GLXlFo
• Magnetic pickup tool: amzn.to/3MHqN3b
• Mobil 1 5w50 Synthetic Oil: amzn.to/3VK3EQE
- I'm likely going to switch to Tuff Torq's oil in the future: amzn.to/3OIKzKP
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Great stuff! I recently bought a used Craftsman Pro 8400 with this trans in it. It has only 50 hours on it, so ill be performing your drain plug mods and doing an oil/filter change on it soon. Thanks for the great work!!
Awesome! Would love to hear how it works out. So far only one person has reported back after trying it and it failed because he drilled out the vent hole at an angle by accident and couldn’t get a good seal. Best of luck with your build!
I was taught by a old timer . If you add 1 oz of stp per qt of oil to rearend manual transmission. It works by finding friction points to aid in stopping wear. Just fyi. And it works.
Gave me flashbacks of my own tinkering messes
Any good stories? 😀
haha, this looks like a "time saver" I've done before...have to take it all apart anyway. Its too bad they didn't design it with a plug and filter access to begin with...planned failure by the mover manufactures...just want it to last till the warranty is up. gotta pull it to clean the filter...kind of pisses me off
I think it's possible that when you reassembled this mod, way back when, that the fan was above the disk that holds the belt. This could be backwards, only according to other videos I've been watching related to the K46 transaxle. Others have made this mistake too and comment that they are surprised there is no consequences when assembling it the wrong way. I wouldn't be surprised if this is what chewed up those wires, the fan being higher than originally intended. Maybe I'm way off though, just thought I'd share. Thanks for making your videos so detailed!!!
It’s a good callout. On my particular machine the fan goes on top of the pulley. I’ve seen others that have it in the reverse with the pulley on top like you describe.
I’m pretty sure I just routed the wires either around the belt or too close to it. Brutal! Thanks for the comment and for checking out the video!
Very cool! 👍
Neat mods. Did you ever find the wear points for those aluminum shavings? Possibly from the refurbished pump housing? I'm about to send mine off for repair.
I didn’t see anything obvious in regard to wear points. It did cross my mind that I could have reversed the washers on either side of the small gear, causing it to rub on the case differently. Or I may have missed some particles when cleaning the case and that caused the wear. You really need to do a good job cleaning out the case. This last round of taking the trans apart, I ended up flushing the whole thing with fresh oil (in addition to using a ton of cleaner) because I took it apart multiple times due to breaking the bypass pin.
When I got my parts back from being rebuilt, they looked very clean. When I saw the new wear this time around, I considered sending the parts out again but didn’t want to have to wait to get them back. I just risked it and very carefully sanded the center case faces with something like 3k grit paper. I don’t know what else the rebuild guy does with the parts. I think he also does something with the little pistons because they came back with a marker line on the face of each one.
Good luck with the rebuild. If you come across anything interesting please feel free to share 😀
I have read comments on forums and JD refused to allow access for the user to service these trans and instead seal them up so we have this issue by the millions of tractors out there.
So yes they planned obsolescence into their designs.
One year but how many hours?