Komatsu D31E, D31P-20A,D37E-5,D37P-51 Bulldozer Operator's Owners Operation & Maintenance Manual - Part Number # SEAD01142001 Printed Komatsu D31E, D31P-20A,D37E-5,D37P-51 Bulldozer Operation & Maintenance Manual Manufacturer Part Number: Komatsu SEAD01142001 Pages: Covered Serial Numbers in Description. Brand New Sealed in Shrinkwrap plus Free Shipping within USA from Lowest Cost Books.