Liebherr R 9250 Mining Excavator

Backhoe Boom / Stick 1

Overall Length 58.4 ft in (17800 mm)
Max Dig Depth 28.55 ft in (8700 mm)
Height To Top Of Boom 25.6 ft in (7800 mm)
Max Cutting Height 49.87 ft in (15200 mm)
Max Dump Height 33.8 ft in (10300 mm)
Max Reach On Ground 50.86 ft in (15500 mm)
Backhoe Boom / Stick 9m boom / 4m stick

Dimensions

Width Over Tracks 20.02 ft in (6100 mm)
Length Of Track On Ground 21 ft in (6400 mm)
Height To Top Of Cab 23.79 ft in (7250 mm)
Tail Swing Radius 20.15 ft in (6140 mm)
Ground Clearance 2.06 in (625 mm)
Upper Structure Ground Clearance 7.24 ft in (2205 mm)
Length Of Tracks 27.04 ft in (8240 mm)
Height Of Tracks 7.16 ft in (2180 mm)

Loading Shovel

Max Dig Reach 42.66 ft in (13000 mm)
Max Dump Height 36.09 ft in (11000 mm)
Max Cutting Height 42 ft in (12800 mm)
Max Dig Depth 12.47 ft in (3800 mm)
Height To Top Of Boom (Shovel) 21.99 ft in (6700 mm)
Overall Length (Shovel) 64.31 ft in (19600 mm)
Arm Crowd Force _ – (1210 Nm)
Loading Shovel 6.37m boom / 4.2m stick

Undercarriage

Loading Shovel Shoe Width 33.47 in (850 mm)
Track Gauge 16.08 ft in (4900 mm)
Backhoe Operating Weight – Shoe 1 551155.69 lb (250000 kg)
Backhoe Ground Pressure – Shoe 1 29.58 psi (203.95 kPa)
Loading Shovel Operating Weight 558871.87 lb (253500 kg)
Loading Shovel Ground Pressure 30.15 psi (207.88 kPa)
Max Travel Speed 1.68 mph (2.7 km/h)
Number Of Lower Rollers 9
Number Of Upper Rollers 2
Backhoe Shoe Width 1 33.47 in (850 mm)

Engine Details

Number Of Cylinders 12
Engine Make Cummins
Engine Model QSK45
Gross Power 1287 hp (960 kw)
Power Measured @ 1800 rpm
Displacement 2746.1 cu in (45 L)
Aspiration turbo-charged after-cooled

Operational Specs

Fuel Tank Capacity 1437.1 gal (5440 L)
Hydraulic System Fluid Capacity 1069.9 gal (4050 L)
Swing Speed 4.1 rpm
Operating Voltage 24 V
Alternator Supplied Amperage 260 amps

Buckets

Reference Bucket Capacity 22.3 yd3 (17 m3)
Minimum Bucket Capacity 14.4 yd3 (11 m3)
Maximum Bucket Capacity 22.3 yd3 (17 m3)
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