Engine Model BZ-B-004 TYPE 4-stroke, water cooling, direct injection Air intake Turbo-charging, intercooler system No.of cylinder 6 Cylinder diameter 102mm Piston stroke 120mm Piston displacement 5.9L Flywheel power 124kw/2000rpm Governor Mechanical all speed governor Hydraulic system Type 2-pump power alternative control+negtive flow control Main pump - Type Swash plate double plunger pump Max flow 2 ?224 L/min Hydraulic motor - Travel hydraulic motor Swash plate variable axial piston pump ?2 Rotary hydraulic radius Axial piston ?1 Safety value set value 32Mpa Implement hydraulic circuit 32Mpa Travel hydraulic circuit 34MPa Swing hydraulic circuit 28MPa Control hydraulic circuit 4MPa Hydraulic cylinder - No.of cylinder- cylinder diameter x stroke x piston rod diameters - Boom 2- Φ 120mm ?1260mm ?#934; 85mm Arm 1- Φ 140mm ?1430mm ?#934; 100mm Bucket 1- Φ 125mm ?1115mm ?#934; 85mm Swing system Driving system Hydraulic Reduction mechanisms 2-line planet gear reduction Swing lubrication Infusion lubrication Swing operating brake Wet multiple disk brake