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Old 05-20-2017, 07:16 AM   #41
k7iou
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Quote:
Originally Posted by Dutchy View Post
My theory is that they install the light lube to aid with the break-in process and it flushes any metal grindings out easily at the initial lube change time. As for installing a 10w30 in the front axle out of concern in cold weather, what then should we do in the hot weather? A motorcycle specific 10W40 or 20W50 would be an Ok choice too. The gears in the front axle take a lot of abuse, what with steering, or when 4x4 is activated in snow or dirt, or carrying heavy loads in the bucket etc. So why not use a gear lube since that is the application? Use a good synthetic and change it every 500 hrs or so. I used Amsoil 75W110 and I use my Kioti CK30HST in all kinds of Canadian weather. Dutchy
Your theory, no offense but look at the specs and you will see the manufacturer reasoning for hydraulic fluid.
Example Mobil 424
Applications

Recommended by ExxonMobil for use in

Heavy-duty transmissions, differentials, final drives, hydraulic systems, power steering systems, wet brakes, PTOs and hydrostatic drives
Off-highway industries including: agriculture, construction, and quarrying
Top-up and refill of systems
Commercial transmission applications requiring Type A (Suffix A), Dexron and Type F fluids. Do not use in passenger car automatic transmissions
Applications requiring API GL-4 or SAE 80W grade lubricants in all gear applications except hypoid gear designs
Outstanding replacement for engine oils recommended for hydraulic and transmission systems

Notice API GL-4, same as differential fluid. But also the Mobil 424 specs says differentials.
I uploaded picture for specs of my CK3510
Do you counter balance the rear of the tractor when using the FEL?

Well, I owe Dutchy an apology as I was wrooooonnnnggg. I pulled my service manual and looked at the front axle section. See added picture. And notice note, for easy manufacturing process they added trans fluid to front axle. Since I'm a Royal Purple guy I think I will get the 75w90
for mine. I know my dealer mentioned 10w30 transfluid for front axle but Mobil 424 says not for hypoid gears.


File Type: jpg IMG_0401.jpg (41.9 KB, 12 views)
File Type: jpg IMG_2682.jpg (60.0 KB, 10 views)

Last edited by k7iou; 05-22-2017 at 08:36 PM. Reason: I was wrooonnnngggg
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Old 05-21-2017, 08:46 AM   #42
bigfish50
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Looks like specs for the nx are different from the ck as my manual does recommend gear oil for the front axles as per the manual screenshot below. With respect to ballast, I've only been using my 5 ft bushhog thus far which is proving too light for that purpose. Will get the tires loaded before too much longer. Currently looking for a gooseneck trailer to haul my tractor to a shop to get that done as my tractor is 6 inches wider than my current gooseneck trailer


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Old 05-22-2017, 11:21 AM   #43
McQueen
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I had RimGuard put in the rear tires of my NX6010. Added around 900 pounds to the rear. For most of my work that is plenty of weight. If I am using a tree shear mounted on the loader I add a 3 point attachment that has 1000 pounds of tractor suitcase weights. If both of the ballast aren't enough, then I know I need to use a bigger tractor.
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Old 05-23-2017, 07:34 AM   #44
k7iou
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My dealer stated he has a computer program for front end loader weight in respect to rear end loading. He stated adding "loaded" rear tires isn't the best method of ballast due to fulcrum point of front axle. The best method was off the 3 point hitch. With my backhoe attached it's sufficient but with it removed I was concerned with the weight of my rear blade. I made a 3/4" plywood box with 2x10's on bottom & sides that straddles the blade riser and added cement block. Each block weighs 22.5 lbs.
With 20 blocks, 450 lbs plus 360 lbs for blade, total 860 lbs for fulcrum which the dealer said was sufficient for front axle protection from overloading due to FEL.
I am waiting to hear back from him on the front axle fluid, trans fluid vs gear lube.
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Last edited by k7iou; 05-23-2017 at 07:42 AM.
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Old 05-23-2017, 09:06 AM   #45
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Update from my dealer:
We recommend the Trans/Diff fluid in the Front Axle because of the Low Temperature viscosity ratings of the Shell Spirax S4 TXM. It just gets too cold in Michigan for 80/90 to be able to properly flow in the Front Axle. The front axle fluid needs to "splash" to properly lubricate the differential and bevel gear cases.

Don't worry about hypoid gear lubrication. KIOTI does not use "hypoid" bevel gears. The bevel gears used in the front axle are all "helical" bevel gears.

Shell Donax TD is old specification oil and was replaced with Spirax S4 TXM
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Old 05-26-2017, 12:02 PM   #46
bigfish50
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Thanks for the additional info K7iou! I live in TN so I don't worry so much about it being too cold and requiring a lighter mix on the front axle fluid.. I also think your dealer may have a much better solution for my needs around a ballast. I did not want to load my tires and that may be a good alternative.
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Old 05-26-2017, 07:45 PM   #47
DK35vince
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My DK 35 came with transmission/hydraulic fluid in the front axle.
I've been running 80/90 gear oil in the front axle since the 50 hour service 16 years ago.
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Old Yesterday, 04:49 PM   #48
BOBBYC
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That is a Great model I have worked on them before. Parts are plentiful and 1/2 the price of other major brands.

Good Luck with it


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