Specifically about the technical specifications of the engine D56 especially when it comes to major engine overhaul what should be done. Are there liner kits and what does it include(items).
Use the email support inquiry on the Komatsu website:
http://www.komatsu.com/ce/products/backhoe_loaders.html
my guess would prob be around $75,000
try
http://catused.cat.com/en/Equipment/JCB/Backhoe-Loaders/For-Sale.aspx