217 engine in a JD 55 combine

MRGJNV

Member
I asked this question in the JD forum but now just noticed a combine forum so I should have asked this question here first.

Wondering if any of you would be able to provide me with the piston dimensions of a 217 gas engine? Thanks!
 
JD 217 power unit: standard cyl. liner bore, 3.625 to 3.626 in. . rebore can be .20 or .40 over;
piston: skirt diameter (major diameter), 3.622 to 3.623 in. piston to cyl. clearance .002 to .004
Hope this helps; sorry I did'nt get to this sooner,I did see your post on JD form; I just now found my service manual on power units! PS 217 engines 40001-up, use a deck plate sleve assembly...
 
Thanks for the info! Would you happen to have the compression height, wrist pin diameter and overall length of the piston?

Thanks.
 
Piston pin bore; 1.1880 to 1.1883 in .
Piston pin diameter; 1.1877 to 1.1879 in.
Pin to pin bore clearance .0001 to .0006 in.

Fit in piston pin bushing; .0004 to .0009 in.
Nothing on compression height or overall length of piston in service manual..
 

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