C trans oil

jr1983 · Mar 28, 2017

I got dads old c out and put the plow on it today. Replaced the shift boot so I'm sure given the condition of the old one its got water in the transmission. What weight of oil should the trans/rear end take? I'm thinking 10w because of the hydraulics but not sure. Also do the final drives take 80w90? Thanks.

Ted in NE-OH · Mar 28, 2017

Use universal trans/hydraulic fluid. It is about 20 weight.

4wdtom · Mar 29, 2017

80/90 gear oil is OK for the final drives. If they haven't ever been done they can be nasty.

Traditional Farmer · Mar 29, 2017

Called for 20W motor oil when new.

Butch(OH) · Mar 29, 2017

It's not particular about what is used in the trans as long as it meets the viscosity requirements which is 20W. Motor oil, various trans/hydraulic fluids etc all work just fine. If you have milky oil plan on 2-3 changes before you are rid of it and use whatever the cheapest thing you can find for flushing and it helps to use the tractor for a while between drainings.

4wdtom · Mar 29, 2017

Should have mentioned that it will run quieter with thicker oil but if you have hydraulics you need the thinner tractor lube or 20 weight engine oil.

dakota dave · Apr 1, 2017

The manual calls for 20W non detergent oil. Don't put 20 W oil in it it will foam. Your best choice is hytrans fluid.

C trans oil

jr1983

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Ted in NE-OH

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4wdtom

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Traditional Farmer

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Butch(OH)

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4wdtom

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dakota dave

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