Cockshutt 30 - Type of Transmission Fluid to use ??

agyuro · Senior Member

Cockshutt 30 - Type of Transmission Fluid to use ??

Cockshutt35 · Veteran Member

I have always used 90w GL5 in all my Co-op/Cockshutts

agyuro · Senior Member

Thank you for the reply.

What type of brand and how much do you have to buy in Gallons ??

I would like to change all tranny fluid.

Cockshutt35 · Veteran Member

I don't have a specific brand that I use, as long as it is GL5 I use what ever is the best deal.I don't know how much an E3 holds.

Mike(NEOhio) · Senior Member

He's right about the SAE 90 GL-5, but besides the trans and rear end you need to put some in the housing ahead of the trans. It's the section that carries the belt pulley and creeper gears if you have them. I can't find my manual right now but if memory serves you'll find the fill/level plugs side by side on the left side of the case on either side of the joint between the intermediate and trans houlsings. Fill them up to the hole. SAE 90 also goes in the LPTO.

Mike(NEOhio)

Mike(NEOhio) · Senior Member

My apologies. Wrong information on the pulley housing. I was just going over mine today getting ready for haying. The two small side by side plugs on the left side are drains. The fill/level plugs are larger, one forward behind the clutch rod and one just ahead of the clutch pedal.