7030 clutch slippage

My 7030 will slip sometimes.  I am sure it is the clutch and not the torque limiter since the PTO still turns.  You can completely stop the tractor and the engine will still be running, maybe not full rpm but probably half.  Funny part is, it doesn't do it all of the time.  I thought it was slipping but wasn't sure so I warmed the trans oil up to 130 degrees and tested but it wouldn't slip.  Today I thought it slipped and tested again and a few times it did slip but more often it would pull engine down and would have killed it but I stopped before it completely stalled.

If your 1800 RPM light worked (I doubt that it does) it would help in diagnosis. Like Alvin says, check the oil under the seat on the LEVEL and after sitting overnite. I'll bet it's a couple gallons low on oil. If the 1800 RPM light actually worked, it would come on when the tractor slips indicating low oil pressure in the clutch hydraulic system.

I checked trans fluid and it is actually quite a bit overfull.  I doubt this is the problem since it did it before I changed hydraulic fluid and all filters but it probably would be best if I got it at the correct level.

I consider the power director clutch on that series to be extremely tough and reliable. Given the age of the tractor, I guess that anything is possible. It would be very rare for both sides to be slipping unless there was low oil pressure being supplied to them. If one side is slipping, due to leak in that particular side, then the pressure light should indicate it. The rubber piston seals can get hard and brittle and cause poor engagement. If either side has been slipping for very long, then the clutch plates will warp. Warped clutch plates make it difficult to get into gear without grinding. The small transmission brake disc can't stop the momentum of the power director assembly. It's not that difficult to remove the PD assembly once the tractor is split. Clean oil, filter and then pressure checks are first.

Do the higher HP 7000 series  have the same clutch with same amount of plates?

7010-20-30-40 all have the same clutch with 3 discs in low (inching) range and 2 in high range.  7045-50-60 are the same and have 4 discs in low (inching) and 2 discs in high.   Early 7080's were 4 and 2 with the low range separator plates are thicker to take more heat. Later 7080's were 5 and 3 if I remember right.  There is nothing under designed on your 7030 clutch assembly. If the entire system is up to specs it will work fine. I used to tractor pull a 7030 in the late 1970's with 300+ HP and never had any issues at all.

MrSnerdly wrote: I know the 7000 series is an excellent design.  I just love this old tractor, figure on making it my main tractor.  ...  It isn't perfect yet, need to get a few things fixed, air conditioning being the most costly ....

Cause they're owned by farmers. Got a 750K combine and new pickup truck but ain't spending nothing on that air system

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