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Cat 725c haul truck

Darrellgold$

Member
Joined
Aug 21, 2020
Messages
5
Location
Alabama
I got a 725c haul truck using hydraulic oil and I can’t find leak the engine is 2 to 3 gallons over fill any ideal how it is getting in there all pumps are mounted on trans nothing on engine I am seeing.
 

kshansen

Senior Member
Joined
Mar 11, 2012
Messages
11,165
Location
Central New York, USA
Occupation
Retired Mechanic in Stone Quarry
I got a 725c haul truck using hydraulic oil and I can’t find leak the engine is 2 to 3 gallons over fill any ideal how it is getting in there all pumps are mounted on trans nothing on engine I am seeing.

I see this has not received any replies, might help to include a S/N as there are at least 6 different S/N prefixes for a 725C and I'm not familiar with them to make a wild guess as to what the problem could be.

Also how about a rough idea of how fast the oil seems to be transfering from hydraulics to engine, is it in one eight hour shift or 100 hours running? Might make a difference.
 
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