Injection pump-1256

DeltaRed

Well-known Member
I think the pump on the'12' is failing.Its been surgeing(at lower rpms).it sometimes acts like its running out of fuel(new fuel filters and good flow).been getting hard to start,and tonight would not restart when warm.one more thing,it has NO compression brakeing while going down hills(gotta use brake)-the other tractors have lots,You gotta open the throttle to go down a hill.Would the 'engine brakeing' problem be the pump?incorect timing?
 
That makes sence.The old tractor has about 20,000 hrs.I think the pump is original.The tractor was dynoed at 125 hp 5 yers ago,this spring the fuel was 'turned up'a little-pulled better and smokes more.
 

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