Engine Model Cummins6BTA5.9-C Stroke 120mm Type in-line, turbocharged, water-cooled, 6-cylinder Piston displacement 5.9L Number of cylinders 6 Flywheel power (SAEJ 1349) (DIN 6270 NET) 169HP 126KW/2100r/min Bore 102mm Hydraulic system Type negative flow control Max. flow 2x235L/min Main pump two variable displacement axial piston pumps Pilot pump blade pump Hydraulic motor Travel oblique plate axial hydraulic motor Slew oblique plate axial hydraulic motor Safety valve Working equipment circuit 30MPa Travel circuit 30MPa Slew circuit 24MPa Control circuit 4MPa Spare valve 30MPa Hydraulic cylinder: cylinder number x bore x stroke Boom 2x125x1320mm Bucket 1x125x1100mm Arm 1x140x1680mm Slew system Drive oblique plate axial hydraulic motor Slew retardation two-grade planetary retarding mechanism Slew lock-up flake brake Slew speed0-13r/min Travel unit Carrier frame X-shape No. of carrier rollers 2x2 Track triple grouser track shoe No. of lower rollers 2x9 Track tensioning unit greasing Gradeability 60% No. of track shoes 2x50 Drive and brake Drive hydraulic drive Max traction 17200kg Drive motor oblique plate axial hydraulic motor Travel speed 3-5km/h Reduction unit three-grade planetary reduction gearboxCoolant and lubricant volume (tank volume) Fuel oil tank 312L Travel retarder 2X5.4L Engine lubricant 11L Hydraulic oil tank 350L Slew retarder 9L