Followup on L245H DH1101 Engine

[I40880]

I originally posted an inquiry about this tractor on 3/27. Here is some followup: The tractor has a DH1101 engine and was run for likely a significant time with a quarter size hole in its air filter. Over time it became harder and harder to crank. When I finally checked the compression the first cylinder was very low (less that 100 psi) and the other two were about 200 psi. I pulled the head off and do not see an obvious problem. The tractor has a little over 2000 hours on it. There were slight ridges at the top of each cylinder but the rest of each cylinder appears to be smooth. What is the likely problem. I will have the head checked. Can I get by with putting new rings in the engine? Any suggestions are appreciated. Thanks.

 

[B2400]

Rings are probably gone as the motor has been well "dusted" by the dirt bypassing the filter.

 

[KennyV]

Over time it became harder and harder to crank. .

The hard to crank problem sounds like a starter problem or battery problem… With low compression it should crank over easily, it may be reluctant to start with low compression… if that’s the case I think B2400 is correct, the rings are gone… KennyV