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C174 tranmission problem

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thedon737
Join Date: Apr 2006
Posts: 6 Australia
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2009-06-07          163261


Can anyone help me with a problem that started today on my C174 tractor. I was running a cultivator off the 3 point linkage and after about an hour I started to have trouble with traction and found that the front wheel drive is not working.
Whether I select 2 whell drive or 4 wheel drive only the rear wheels are driving. I lifted the front wheels off the ground and it is as if they are in neutral.
The trans oil looks very good and clean although the level is a little down on the dipstick.
Can someone tell me what type of oil I should use?? The trans is a hydrastatic 3 speed type. If the oil is a little bit low could it cause this problem?
Looking underneath the tractor there is no apparent problem. verything is connected, there is no noticeable oil leaks. If anyone has any hints about what to do, where to look I would appreciate it.

Thanks
Don




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C174 tranmission problem

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earthwrks
Join Date: Dec 2003
Posts: 3853 Home Office in Flat Rock, Michigan
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2009-06-07          163263


I know nothing of your machine, but I would suspect loose or out-of-adjustment linkage, or missing pivot pin that controls the front wheel engagement.

On my New Holland I can't freewheel the front wheels--they are always connected. However, I can either lock the front wheels/axle in 4x OR use the SensiTrac option which allows the front axle to sort of freewheel UNTIL it senses one wheel or both need traction then it instantly locks up. All this happens quietly and seamlessly. What is critical here is a coil spring that controls lock-up. This spring is exposed and dangles from underneath. Do you have such an arrangement? ....


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