حفارة مجنزرة LiuGong 925e

SPECIFICATIONS
ENGINE
Description
Cummins EPA Tier 3 / EU Stage IIIA,
6-cylinder straight, turbocharged, high
pressure common rail, electronically
controlled direct injection.
Air cleaner: Cummins direct flow air filter.
Cooling system: Charge air cooler
Emission rating
EPA Tier 3 /
EU Stage IIIA
Engine manufacturer Cummins
Engine model QSB 7
Aspiration
Wastegate Turbo
(WGT)
Charged air cooling After cooler
Cooling fan drive Viscous clutch
Displacement
6.7 L (1.8 gal)
6,700 cm3 (409 in3)
Rated speed 2,050 rpm
Engine output - net
(SAE J1349 / ISO 9249)
132 kW (177 hp)
Engine output - gross
(SAE J1995 / ISO 14396)
140 kW (188 hp)
Maximum torque
800 N·m (590 lbf·ft)
@1,200 rpm
Bore × Stroke
107 × 124 mm
(4.2” x 4.9”)
HYDRAULIC SYSTEM
Main pump
Type
Two variable
displacement piston
pumps
Maximum flow
2 × 240 L/min
(2 × 63.4 gal/min)
Pilot pump
Type Gear pump
Maximum flow 19 L/min (5 gal/min)
Relief valve setting
Implement
34.3/37.3 MPa
(4,975 / 5,410 psi)
Travel circuit 34.3 MPa (4,975 psi)
Slew circuit 25.5 MPa (3,698 psi)
Pilot circuit 3.9 MPa (566 psi)
Hydraulic cylinders
Boom Cylinder –
Bore × Stroke
Φ130 × 1,350 mm
(Φ5.1” × 4’5”)
Stick Cylinder –
Bore × Stroke
Φ145 × 1,635 mm
(Φ5.7” × 5’4”)
Bucket Cylinder –
Bore × Stroke
Φ130 × 1,075 mm
(Φ5.1” × 3’6”)
UNDERCARRIAGE
Track shoe each side 51
Link pitch 190 mm (7.5”)
Shoe width,
triple grouser
600/700/800/900 mm
(24”/28”/32”/35”)
Bottom rollers each
side
9
Top rollers each side 2
SERVICE CAPACITIES
Fuel tank 470 L (124.2 gal)
Engine oil 25 L (6.6 gal)
Final drive (each) 5.5 L (1.5 gal)
Swing drive 4.4 L (1.2 gal)
Cooling system 30 L (7.9 gal)
Hydraulic reservoir 210 L (55.5 gal)
Hydraulic system total 330 L (87.2 gal)
ELECTRIC SYSTEM
System voltage 24 V
Batteries 2 x 12 V
Alternator 24 V - 70 A
Start motor
24 V - 7.5 kW
(24 V - 10 hp)
SOUND PERFORMANCE
Interior Sound Power
Level (ISO 6396)
TBA
Exterior Sound Power
Level (ISO 6395)
TBA
DRIVE AND BRAKES
Description
2-speed axial piston motors with oil disk
brakes. Steering controlled by two hand
levers with pedals.
Max. travel speed
High: 5.5 km/h (3.4 mph)
Low: 3.3 km/h (2.0 mph)
Gradeability 35°/70%
Max. drawbar pull 229 kN (51,481 lbf)