hercules engine

[kevin dunford]

Hello,I found an engine in some kind of military eguipment.As best as i can tell on the plate it is a 1x1-b3 the bore is 3 and 1\4 by 4 in. does anyone know if this is the right engine for oc3 crawler? thanks for any help.                       kevin

[tcr]

Hi;
I also am rebuilding an oc-3.  the motor that came out of mine is a hercules IXB, which has 3.250" bore and a 4" stroke. it sounds like you have the right motor.  
good luck
tcr

[John Schwiebert]

The military engines are different on the inside. Is the one you looked at have 3 timing gears (IXB-3) or 5 (IXB-5). Cletrac did not use the IXB-5, The goverment did. They also had some IXB-3 engines. Military engines take military standard parts bearing are the big ones in your case, but most of those military engines do not have many hours on them Questions?

[Blake Malkamaki]

John, are the military IXB-5's the same as the IXB-5's used in Leader and other tractors?

[kevin dunford]

Hello, When I looked at this engine ,it was still in the machine, and I couldnt see it very well. What I could make out on the tag,looked like IXI-B3,does anyone know whether this engine has the same flywheel and bell housing pattern as a IXB ? Is this the same on the outside as  a IXB?  Any information about this engine will be apreciated thanks,kevin

[John Schwiebert]

Blake: I am not sure how I want to answer that. Are you talking looking at it externally or at the  internal parts?

[Blake Malkamaki]

Either one John... I just wondered if there was a difference.