PERKINS 4-236 MARINE DIESEL ENGINE for sale. Has rebuilt, as new, Borg-Warner velvet drive transmission. Runs well. Professionally maintained. Will be removed from boat early Jan 2002. $2,500/obo. From boat used in Nautilus' Pegasus Project. If interested, contact Megan (510) 295-6123 or email: megan@nautilus.org.