Liebherr A904C Excavator

Boom/Stick Mat. Handler Option 1

Boom/Stick Option (MAT) 1 6.6m boom / 4m stick
Max Depth 7 ft (2 m)
Max Height 38 ft (12 m)
Max Reach Along Ground 34 ft (10 m)

Boom/Stick Mat. Handler Option 2

Boom/Stick Option (MAT) 2 6.6m boom / 5m stick
Max Depth 11 ft (3 m)
Max Height 42 ft (13 m)
Max Reach Along Ground 37 ft (11 m)

Boom/Stick Mat. Handler Option 3

Boom/Stick Option (MAT) 3 6.6m boom / 4m stick and grapple model 65
Max Depth 16 ft (5 m)
Max Height 32 ft (10 m)
Max Reach Along Ground 38 ft (12 m)

Boom/Stick Mobile Excavator Option 1

Max Cutting Height 33 ft (10 m)
Max Digging Depth 19 ft (6 m)
Max Loading Height 23 ft (7 m)
Max Reach Along Ground 30 ft (9 m)
Max Vertical Wall Dig Depth 14 ft (4 m)
Shipping Height of Unit 10 ft (3 m)
Shipping Length of Unit 30 ft (9 m)

Boom/Stick Mobile Excavator Option 2

Max Cutting Height 33 ft (10 m)
Max Digging Depth 20 ft (6 m)
Max Loading Height 23 ft (7 m)
Max Reach Along Ground 31 ft (9 m)
Max Vertical Wall Dig Depth 15 ft (4 m)
Shipping Height of Unit 11 ft (3 m)
Shipping Length of Unit 30 ft (9 m)

Boom/Stick Mobile Excavator Option 3

Max Cutting Height 34 ft (10 m)
Max Digging Depth 21 ft (6 m)
Max Loading Height 24 ft (7 m)
Max Reach Along Ground 31 ft (10 m)
Max Vertical Wall Dig Depth 15 ft (5 m)
Shipping Height of Unit 11 ft (3 m)
Shipping Length of Unit 30 ft (9 m)

Boom/Stick Mobile Excavator Option 4

Max Cutting Height 33 ft (10 m)
Max Digging Depth 22 ft (7 m)
Max Loading Height 23 ft (7 m)
Max Reach Along Ground 32 ft (10 m)
Max Vertical Wall Dig Depth 15 ft (4 m)
Shipping Height of Unit 10 ft (3 m)
Shipping Length of Unit 30 ft (9 m)

Bucket

Maximum Bucket Capacity 1 cu yd (1 cu m)
Minimum Bucket Capacity 0 cu yd (0 cu m)
Reference Bucket Capacity 1 cu yd (1 cu m)

Dimensions

Digging Depth 19 ft (6 m)
Digging Reach 19 ft (6 m)
Ground Clearance 1 ft (0 m)
Height – Top of Cab 10 ft (3 m)
Overall Width 8 in (21 cm)
Overall Width – Outriggers Down 12 ft (4 m)
Shipping Height 10 ft (3 m)
Shipping Length 32 ft (10 m)
Tail Swing Radius 8 ft (2 m)
Undercarriage Width 8 ft (3 m)
Upper Structure Clearance 4 ft (1 m)
Upperstructure Clearance 4 ft (1 m)
Wheelbase 9 ft (3 m)

Engine

Gross Power 143 hp (107 kw)
Number of Cylinders 4
Power Measured @ 2000 rpm

Hydraulic System

Pump Capacity 50 gpm (189 lpm)
Pump Type Liebherr variable displacement swashplate double pump

Operating Specifications

Hydraulic Pump Flow Capacity 87 gpm (330 lpm)
Hydraulic Pump Type variable displacement swash plate
Hydraulic System Relief Valve Pressure 5076.4 psi
Operating Weight w/o Attachment 43,700 lbs (19,822 kg)
Tire Size 10.00-20

Swing Mechanism

Swing Speed 9 rpm
Swing Torque 34 lbs ft (46 nm)

Transmission

Max Speed 13 mph (20 kph)
Max Travel Speed 13 mph (20 kph)
Number of Forward Gears 2
Number of Reverse Gears 2
Transmission Type oversized two speed power shift transmission with additional creeper speed

Wheel Undercarriage

Steering Angle 30 degrees
Tire Size 10.00-20
Wheelbase 9 ft (3 m)
Width w/ Stabilizers on Ground 13 ft (4 m)
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