NS4710C HST 50-hour service question

[txbonds]

Getting ready to do my 50-hour service and as I’m collecting up supplies I wanted to double check to make sure I’m on the right track.

Here is what I have so far:
15 gals Mobilefluid 424
3 gals Rotella T6 15W-40
1 tube Mobil Delvac xtr Grease
5 gals Lucas 80W-90 gear lube
EH35-0011A Kioti Fuel Filter
E6201-32443 Kioti Engine oil filter
T5710-38031 Kioti Hydraulic filter
T4710-11081 Kioti Air Filter


Best I can tell these are the required filters although I see a separate HST filter listed and mention of a white or yellow version. Don’t know which mine has.

Also, I’m assuming I need to order replacement washers for the oil plugs but wasn’t sure.

Any tips or comments are greatly appreciated. Thanks.

 

[Robin Veerman]

I’m not very familiar with your exact model, but being an HST tractor it likely has a hydraulic filter and HST filter. If so, they are different but in the same oil. The oil needs to be tractor transmission/hydraulic oil. Not only hydraulic….
Check your manual for the correct items

 

[RjCorazza]

I have NEVER replaced a washer on a drain bolt.

 

[txbonds]

I have NEVER replaced a washer on a drain bolt.

I’m not very familiar with your exact model, but being an HST tractor it likely has a hydraulic filter and HST filter. If so, they are different but in the same oil. The oil needs to be tractor transmission/hydraulic oil. Not only hydraulic….
Check your manual for the correct items

Thanks guys. I've just always replaced the crush washer or seal washer when replacing oil/fluid. Probably not always needed, but just what I've always done.

On the HST / Hydraulic filter, I got it figured out regarding which one mine has. Apparently the NS4710 models come with either a yellow one or a white one. Mine has the white HST filter. My dealer is getting it for me in addition to the ones I mentioned above. Regarding the fluid, my manual does spec Mobilfluid 424 as an option for the hydraulic/hydrstatic fluid so that should be fine. It also specs SAE 90 for the front axle which is why I went with the 80W-90.

I have all my fluids for this change, and some extra towards next one and will be picking up the filters later this week from the dealer. Thanks again. I'll update my post if any of the filters have different model numbers just in case someone else with the same tractor finds this later.