I am looking at OC 4 crawler that has a IH red power engine in it (swap) but I can't find any info on the OC 4 crawlers , any body know which engine is suppose to be in a OC4?? is it a 3 cyl. hercules or something like that? Thanks Don _______________________________________________ AT mailing list http://www.antique-tractor.com/mailman/listinfo/at