Liebherr R 974 B Litronic Mining Excavator

Boom/Stick Excavator Option 1

Shipping Height of Unit 21 ft (7 m)
Shipping Length of Unit 54 ft (17 m)

Boom/Stick Excavator Option 2

Shipping Height of Unit 26 ft (8 m)
Shipping Length of Unit 60 ft (18 m)

Boom/Stick Mat. Handler Option 1

Boom/Stick Option (MAT) 1 Gooseneck Boom 12000mm w/stick 9000mm
Max Depth 7 ft (2 m)
Max Height 7 ft (2 m)
Max Reach Along Ground 7 ft (2 m)

Boom/Stick Mat. Handler Option 2

Boom/Stick Option (MAT) 2 Gooseneck Boom 1400mm w/stick 10500mm
Max Depth 9 ft (3 m)
Max Height 8 ft (3 m)
Max Reach Along Ground 8 ft (2 m)

Dimensions

Digging Depth 43 ft (13 m)
Digging Reach 43 ft (13 m)
Ground Clearance 2 ft (1 m)
Height – Top of Cab 12 ft (4 m)
Length of Track on Ground 17 ft (5 m)
Removal Counterweight Clearance 5 ft (1 m)
Shipping Height 21 ft (7 m)
Shipping Length 54 ft (17 m)
Tail Swing Radius 15 ft (4 m)
Undercarriage Width 12 ft (4 m)
Upperstructure Clearance 5 ft (1 m)
Width to Outside of Tracks 14 ft (4 m)

Engine

Displacement 1,050 cu in (17,202 cu cm)
Engine Model D9408 TI-E
Net Power 490 hp (365 kw)
Number of Cylinders 8
Power Measured @ 1800 rpm

Hydraulic System

Pump Capacity 262 gpm (992 lpm)
Pump Type Variable flow swash plate
Relief Pressure 4641.3 psi

Operating Specifications

Alternator Supplied Amperage 80 amps
Fuel Capacity 338 gal (1,280 l)
Hydraulic Pump Flow Capacity 131 gpm (496 lpm)
Hydraulic System Fluid Capacity 317 gal (1,200 l)
Hydraulic System Relief Valve Pressure 4931.3 psi
Operating Voltage 24 volts
Operating Weight w/o Attachment 201,723 lbs (91,500 kg)

Swing Mechanism

Swing Speed 5.5 rpm
Swing Torque 192 lbs ft (260 nm)

Track Undercarriage

Length of Track on Ground 17 ft (5 m)
Number of Shoes per Side 2
Number of Track Rollers per Side 9
Shoe Size 24 in (60 cm)

Transmission

Max Speed 2 mph (3 kph)

Undercarriage

Drawbar Pull 159,614 lbs (72,400 kg)
Ground Pressure 18 psi
Max Travel Speed 2 mph (3 kph)
Number of Carrier Rollers per Side 2
Number of Track Rollers per Side 9
Shoe Size 24 in (60 cm)
Track Gauge 12 ft (4 m)

Wheel Undercarriage

Wheelbase 17 ft (5 m)
Width w/ Stabilizers on Ground 15 ft (5 m)
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