Cat excavator

Joe Edwards

New User
I have 1955 cat excavater dozer. Has all the power for about an hour and then becomes weak. I changed the clutch plates and no change. I believe the oil pump is not pumping oil onto the clutch plates when it gets hot. Has anybody had any problems like this. Next day once the dozer has cooled down, good power for about an hour.
 
that is what I am thinking. I was told that the mechanical pump might be working when the oil is cool, but once it heats up the seals might be bad and will prevent the pump from pumping. Is this pump easy to replace? I was thinking of buying an electrical pump and place it inside with the transmision or mount it outside and drill holes to pass hoses through. what do you think?
 
The cluch oil pump is a gear pump no seal in and I should have one in stock and not sure about electric pump and check inside cluch housing if the gear still on pump shaft
 
I might need to buy that from you. How much?
First I have to get dozer started to see if clutch oil pump is not working. I am not getting any spark out of my spark plugs. I bought two new spark plugs and wires and still no spark. What do I need to do?
thanks
 
Did you check on side poney if he has a switch cutt-off power and a rebuilt one should cust $450.00 with exchange and I do't have and I answer to your email
 

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