Liebherr R 9250 G6 Mining Excavator

Engine

Air cleaner Dry-type air cleaner with pre-cleaner, with automatic dust ejector, primary and safety elements
Alternator 260 amps
Bore 6 in (16 cm)
Cooling method Fans driven via hydraulic piston motor
Displacement 2,746 cu in (45,001 cu cm)
Engine Model Cummins QSK45
Engine Type 12 cylinder turbocharged V-engine after-cooler
Rated engine speed 1800 rpm
Rated power 1,287 hp (960 kw)
Stroke 8 in (19 cm)

Boom/Stick Excavator Option 1

Boom/Stick Option (HEX) 1 9 m (30 ft)
Breakout force – ISO 195,584 lbs (88,715 kg)
Bucket Digging Force – ISO 179,847 lbs (81,577 kg)
Ground Pressure 29.7 psi
Max Digging Depth 29 ft (9 m)
Max. teeth height 599 ft (182 m)
Max.Dumping Height 34 ft (10 m)
Maximum Reach at Ground Level 51 ft (16 m)
Stick length 13 ft (4 m)

Boom/Stick Excavator Option 3

Boom/Stick Option (HEX) 3 6 m (21 ft)
Ground pressure 4.4 psi
Max bucket opening width 9 ft (3 m)
Max. crowd force 274,267 lbs (124,406 kg)
Max. crowd force at ground level (ISO 6015) 236,049 lbs (107,070 kg)
Max. crowd length 13 ft (4 m)
Max.Dumping Height 36 ft (11 m)
Maximum Reach at Ground Level 43 ft (13 m)
Stick length 14 ft (4 m)

Capacities

Fuel Tank 1,437 gal (5,439 l)
Hydraulic system 1,070 gal (4,050 l)
Hydraulic Tank 747 gal (2,826 l)

Dimensions

Overall height with ROPS 6,430 mm (253 in)
Overall length – bucket level on ground 772 in (1,960 cm)
Overall width 6,183 mm (243 in)
Track Width 193 in (490 cm)
Wheelbase 20 ft (6 m)

Electrical System

Batteries 4 (+2) x 170 Ah / 12 V
Voltage 24 V

Hydraulic System

Maximum system pressure 4640 psi
Pump Flow 407 gpm (1,542 lpm)

Operating Specifications

Operating Weight – 6wd 552,000 lbs (250,383 kg)
Shovel Capacity 20 cu yd (15 cu m)
Standard bucket capacity- SAE 20 cu yd (15 cu m)

Swing System

Hydraulic motors and drives 2 Liebherr axial piston motors
Swing gear 2 Liebherr planetary reduction gears
Swing ring teeth Liebherr, sealed triple roller swing ring, internal teeth
Swing speed 4.4 rpm
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