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D17 clutch of hi-low slipping

V

VicS

Well-known Member
Location
SE Il.
Pulled my D17 Diesel yesterday. 4500lbs 6
mph and 8 mph. Motor running good. Pulled
in 2nd hi. 18.4X38 cut tires. Chart says 9
mph at 3000. Problem was tires stopped
turning at end then started again. Still
got 4th in 6 mph. Probably over 15
tractors. USAP at Princeton In. How can I
tell which is slipping. Or will the two
speed never take 250 hp. When I drove out
the door and pushed the clutch in. The
tractor stopped. Like brakes were on. I
moved hand clutch to neutral then to low
then to hi. And problem went away. Thanks
for any help.

cvphoto43451.jpg
 
250 HP ?? with no turbo ?? Well, I'd say no way will that hand clutch hold that much HP. I have a D-17 gasser that makes 100+ HP and I never have any issues with it. You should have pulled out some shims from each range to tighten it up so it could hold more for starters. If it was slipping (and not the foot clutch) you may have smoked it and now have warped plates and discs. A D-19 hand clutch has one more disc/plate in each range. That would help a lot. If you replace any driving discs, use new style discs from a model 7000 tractor p/n 70261212. They are a more aggressive friction material/design and with only two discs in the overdrive range will hold 125 PTO HP in a farm tractor.
 
If the hand clutch was truly slipping, placing you hand on the side of the torque housing where the clutch is, should have been pretty warm. Just a run down the track with no slippage it would still be cold.
 
I think we did use new style discs. I
think you are right must have warped
discs. 600cu. 20.5 compression ratio. Head
flows 40% more. Good cam. Putting 48% more
fuel than a 7080. Doesn't smoke as bad as
a stock 7080. Thanks for your quick reply.
Hoping to take it to Tunica. But!@!!!.
Probably cant fix that quick. Vic.
 
I think we did use new style discs. I
think you are right must have warped
discs. 600cu. 20.5 compression ratio. Head
flows 40% more. Good cam. Putting 48% more
fuel than a 7080. Doesn't smoke as bad as
a stock 7080. Thanks for your quick reply.
Hoping to take it to Tunica. But!@!!!.
Probably cant fix that quick. Vic.
 
Do you intend on using the Power Director clutch ?? Or just leave it in HIGH all the time ??
 
I thought I might use 3rd low but, after
pulling it, 2nd hi is just right for 8
mph. And 6 mph. So think I'll take it
out.But I'm going to look for a junk D19.
Might just put its 2 speed in. Don't know.
 
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