Liebherr RL 56 Pipe Layer


Boom

Overall Height 27.17 ft in (8281 mm)
Boom Length 23.95 ft in (7300 mm)

Drum

Drum Length 10.8 in (274 mm)
Drum Diameter 10 in (254 mm)
Flange Diamter 24.1 in (610 mm)
Cable Diameter 0.8 in (20 mm)
Cable Length 3149.7 in (80000 mm)
Hook Block 3 sheaves
Hook Speed (Up, Down) 65.7 ft/min (20 m/min)

Dimensions

Overall Length 17.87 ft in (5446 mm)
Overall Width 10.16 ft in (3094 mm)
Width Over Tracks 12.42 ft in (3785 mm)
Overall Height 10.07 ft in (3068 mm)
Length Of Track On Ground 11.5 ft in (3504 mm)
Ground Clearance 1.65 ft in (501 mm)
Height To Top Of Suspended Cab 11.58 ft in (3529 mm)

Undercarriage

Number Of Carrier Rollers Per Side 2
Number Of Track Rollers Per Side 9
Shoe Size 35.99 in (914 mm)
Track Gauge 7.16 ft in (2180 mm)

Engine Details

Engine Make Liebherr
Engine Model D 936 A7
Displacement 640.8 cu in (10.5 L)
Net Power 281.7 hp (210 kw)
Power Measured @ 1800 rpm
Cooling System Hydrostatic fan drive
Air Cleaner Dry-type air cleaner
Aspiration Turbochanged
Lubrication System Pressurised lube system
Injection System Direct fuel injection
Emission Standards EPA/CARB Tier 3/Tier 4f

Electric System

Operating Voltage 24 V
Alternator Supplied Amperage 140 amps
Battery 2 x 180 Ah
Starter 10.5 hp (7.8 kw)

Transmission

Steering Hydrostatic
Transmission Type Infinitely variable hydrostatic travel drive, independent drive for each track
Max Speed – Reverse 2.5 mph (4 km/h)
Final Drive Type Combination spur gear with planetary gear, double-sealed (duo cone seals) with electronic seal-integrity indicator

Brakes

Parking Brake Multi-disc brake, wear-free, automatically applied with neutral joystick position
Service Brake Hydrostatic (self-locking), wear-free

Hydraulic System

Hydraulic System Load sensing (demand controlled)
Control Valve 3 circuits, expandable to 6
Pump Type Swash plate piston pump
Pump Flow Capacity 74.8 gal/min (283 L/min)
Operating Pressure 4060 psi (28000 kPa)
Controls Single joystick for hoist winch and adjustable boom cylinder, free all device of hook in case of danger. Further single joystick for counterweight.
Hoist Cylinder Variable flow hydraulic pump
Filtration Return filter with magnetic rod in the hydraulic tank

Service Refill Capacities

Fuel Tank Capacity 133.5 gal (505 L)
Engine Oil Capacity 11.4 gal (43 L)
Cooling System Fluid Capacity 15.9 gal (60 L)
Hydraulic System Fluid Capacity 29.6 gal (112 L)

Weight

Operating Weight 101523 lb (46050 kg)
Counterweight without Frame 21019 lb (9534 kg)
Counterweight 28065 lb (12730 kg)
Weight of Standard Boom 4991 lb (2264 kg)
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