Hitachi EX120 service manual (820 pages): This manual comprises a full service manual for the following Isuzu engines: ISUZU 4BD1, 4BD1T, 6BB1, 6BD1, 6BD1T.
Hitachi EX120 machine parts manual (336 pages): This is the factory parts manual.
Hitachi EX120 operators manual (138 pages): This is the factory manual for serial number 18867 and up.
These manuals are valuable resources for both professional mechanics and DIY enthusiasts.