... (Cummins) or C6121ZLG10 (Licensed CAT 3306 diesel engine)Type water cooled, single line, vertical, four strokes, turbocharged, 6- ... integrates center drive, transmission and speed changing control valve into one component. It can be assembled or disassembled as ... machineIt is composed of oil pump, transmission control valve, steering and braking control valve, sequence valve, relief valve at ...