Category : Excavators ➔ Manufacturer : Liebherr ➔ Model : R974B ➔
The Liebherr R974B Excavator is a powerful and versatile machine designed to tackle a wide range of tasks with efficiency and precision. With a net power of 490 hp and a hydraulic system pump capacity of 262.1 gpm, this excavator is equipped to handle digging depths of up to 43 ft and reaches of 43 ft. Its robust engine model D9408 TI-E and advanced hydraulic system make it a reliable and high-performing choice for heavy-duty construction projects.
Boom/Stick Excavator Option 1
Liebherr R974B Excavator Boom/Stick Excavator Option 1 specifications
Shipping Height of Unit
21.40 ft (6.52 m)
Shipping Length of Unit
54.30 ft (16.55 m)
Boom/Stick Excavator Option 2
Liebherr R974B Excavator Boom/Stick Excavator Option 2 specifications
Shipping Height of Unit
26.30 ft (8.02 m)
Shipping Length of Unit
59.80 ft (18.23 m)
Boom/Stick Mat. Handler Option 1
Liebherr R974B Excavator Boom/Stick Mat. Handler Option 1 specifications
Boom/Stick Option (MAT) 1
Gooseneck Boom 12000mm w/stick 9000mm
Max Depth
7.30 ft (2.23 m)
Max Height
7.30 ft (2.23 m)
Max Reach Along Ground
6.90 ft (2.10 m)
Boom/Stick Mat. Handler Option 2
Liebherr R974B Excavator Boom/Stick Mat. Handler Option 2 specifications
Boom/Stick Option (MAT) 2
Gooseneck Boom 1400mm w/stick 10500mm
Max Depth
8.60 ft (2.62 m)
Max Height
8.30 ft (2.53 m)
Max Reach Along Ground
7.90 ft (2.41 m)
Dimensions
Liebherr R974B Excavator Dimensions specifications
Digging Depth
43.00 ft (13.11 m)
Digging Reach
43.00 ft (13.11 m)
Ground Clearance
2.20 ft (0.67 m)
Height - Top of Cab
12.00 ft (3.66 m)
Length of Track on Ground
17.10 ft (5.21 m)
Removal Counterweight Clearance
4.90 ft (1.49 m)
Shipping Height
21.40 ft (6.52 m)
Shipping Length
54.30 ft (16.55 m)
Tail Swing Radius
14.60 ft (4.45 m)
Undercarriage Width
11.90 ft (3.63 m)
Upperstructure Clearance
4.90 ft (1.49 m)
Width to Outside of Tracks
14.30 ft (4.36 m)
Engine
Liebherr R974B Excavator Engine specifications
Displacement
1,049.70 cu in (17,201.54 cu cm)
Engine Model
D9408 TI-E
Net Power
490.00 hp (365.40 kw)
Number of Cylinders
8
Power Measured @
1800 rpm
Hydraulic System
Liebherr R974B Excavator Hydraulic System specifications
Pump Capacity
262.10 gpm (992.05 lpm)
Pump Type
Variable flow swash plate
Relief Pressure
4641.3 psi
Operating Specifications
Liebherr R974B Excavator Operating Specifications specifications
Alternator Supplied Amperage
80 amps
Fuel Capacity
338.20 gal (1,280.09 l)
Hydraulic Pump Flow Capacity
131.10 gpm (496.21 lpm)
Hydraulic System Fluid Capacity
317.10 gal (1,200.22 l)
Hydraulic System Relief Valve Pressure
4931.3 psi
Operating Voltage
24 volts
Operating Weight w/o Attachment
201,723.00 lbs (91,500.13 kg)
Swing Mechanism
Liebherr R974B Excavator Swing Mechanism specifications
Swing Speed
5.5 rpm
Swing Torque
191.80 lbs ft (260.04 nm)
Track Undercarriage
Liebherr R974B Excavator Track Undercarriage specifications
Length of Track on Ground
17.10 ft (5.21 m)
Number of Shoes per Side
2
Number of Track Rollers per Side
9
Shoe Size
23.70 in (60.20 cm)
Transmission
Liebherr R974B Excavator Transmission specifications
Max Speed
1.80 mph (2.90 kph)
Undercarriage
Liebherr R974B Excavator Undercarriage specifications
Drawbar Pull
159,614.40 lbs (72,399.96 kg)
Ground Pressure
18 psi
Max Travel Speed
1.80 mph (2.90 kph)
Number of Carrier Rollers per Side
2
Number of Track Rollers per Side
9
Shoe Size
23.70 in (60.20 cm)
Track Gauge
11.90 ft (3.63 m)
Wheel Undercarriage
Liebherr R974B Excavator Wheel Undercarriage specifications
Wheelbase
17.10 ft (5.21 m)
Width w/ Stabilizers on Ground
15.30 ft (4.66 m)
