Bob Bancroft D15

tomstractorsandtoys

Well-known Member
Your post made me want to work on the D15 yesterday. One back rim had a bad tube so I decided to drain the fluid and remove it before going any further. I started the tractor at an idle to move it and my noise is gone. Even when running at full throttle nothing. Oil is clear and not showing signs of anti freeze. Do you think it might have been a piece of carbon on top a piston? I guess I should have ran it longer to see if still getting pressure in the radiator or if I just had overfilled it? I have a set of combine tires and rims off a Deere 55 that I am going to put on it untill I get the current rims sandblasted and a repair around the valve. Tom
 
Anything is possible! Nothing to lose by leaving the radiator cap loose and running it for a while. Maybe pull the spark plugs some time and see if they show anything. I'm trying to remember if they're long reach, or not. Bugs me that I can't remember those things anymore. I know I made sure my temp gauge was good, then put in a 180 degree thermostat, so even when just mowing around, it warms up good.
 
I had B's, a C, and a WD45, and it seems like they all took the same spark plugs as the D15II? I do know, for the way I used them, I put the hottest plugs I could find in them. It's a lot different than when they had to work for a living!
 

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