Zm921f Hydraulic Crawler Excavator

Following Details of ZM921F Hydraulic Crawler Excavator :

Model : CUMMINS QSB6.7
Type : 6 cylinders
No. of cylinder : 6
Bore and stroke : 107mmA 124mm
Displacement : 6.7L
Rated Power : 116KW(150HP)/2000rpm
Air filter : Dry air filter

Hydraulic System :
Pump : Tongmyung, Korea
Type : 2 variable displacement pumps +1 gear pump
Max. discharge flow : 2A 205L/Min
Max. discharge pressure :
Boom,arm and bucket : 31.9 Mpa
Travel circuit : 31.9 Mpa
Swing circuit : 25.5 Mpa
Control circuit : 3.9 Mpa
Pilot control pump : Gear type
Main control valves : 8-spool
Oil cooler : Air cooled type
Swing System :
Swing motor : Korea
Swing motor type : Axial-piston motor
Brake : Hydraulic oil released
Parking brake : Hydraulic disc brake
Swing speed : 11.5 Rpm
Tail swing radius : 2905 mm
Swing torque : 9.9 KN.m

Travel System :
Travel motors : 2A Axial Piston
Travel brakes : Hydraulic disc brake
Parking brakes : Oil disc brake per motor
Travel shoes : 2A 49
Travel speed : 3.5/5.4 km/h
Track rollers/carrier rollers : 7/2 (each side)
Gradeablity : 70% (35A )
Ground clearance : 468 mm
Shoe width: mm : 600 mm
Overall width: mm : 2800 mm
Ground pressure: KPa : 45 KPa
Operating weight: Kg : 20500 KG