Kevin - Thanks for letting me know what I'm in for. Yikes! c. $10K to replace with a re-manufactured engine. We'll look at reworking the burned one.
Ironic, there's a new 21Kw Mitsubishi on eBay for $7,500.
http://www.ebay.com/itm/21-5kw-Diese...sories&vxp=mtr