Liebherr RL66 Pipelayer Specs

Category: Pipelayers ➔
Manufacturer: Liebherr ➔
Model: RL66 ➔

Boom

Liebherr RL66 Pipelayer Boom specifications
Boom Length	27.89 ft (8.50 m)
Overall Height	31,217.20 ft (9,515.00 m)

Brakes

Liebherr RL66 Pipelayer Brakes specifications
Parking Brake	Multi-disc brake, wear-free, automatically applied with neutral joystick position
Service Brake	Hydrostatic (self-locking), wear-free

Dimensions

Liebherr RL66 Pipelayer Dimensions specifications
Ground Clearance	1.82 ft (0.55 m)
Height To Top Of Suspended Cab	12.14 ft (3.70 m)
Overall Height	11.63 ft (3.54 m)
Overall Length	19.02 ft (5.80 m)
Overall Width	10.99 ft (3.35 m)
Track Gauge	8.24 ft (2.51 m)
Width Over Tracks	18.54 ft (5.65 m)

Drum

Liebherr RL66 Pipelayer Drum specifications
Cable Diameter	0.80 in (2.03 cm)
Cable Length	393.80 in (1,000.25 cm)
Drum Diameter	10.00 in (25.40 cm)
Drum Length	11.00 in (27.94 cm)
Flange Diamter	24.10 in (61.21 cm)
Hook Block	4 sheaves
Hook Speed (Up, Down)	52.5 ft/min

Engine

Liebherr RL66 Pipelayer Engine specifications
Air Cleaner	Dry-type air cleaner
Aspiration	Turbochanged
Battery Amp Hours	4 x 95
Cooling System	Hydrostatic fan drive
Displacement	732.30 cu in (12,000.27 cu cm)
Engine Model	D 946 A7 Emission regulations , EPA/CARB Tier 3/Tier 4f
Injection System	Direct fuel injection
Lubrication System	Pressurised lube system
Net Power	368.80 hp (275.02 kw)
Power Measured @	1800 rpm
Starter	10.50 hp (7.83 kw)

Hydraulic System

Liebherr RL66 Pipelayer Hydraulic System specifications
Control Valve	3 circuits, expandable to 6
Controls	Single joystick for hoist winch and adjustable boom cylinder, free all device of hook in case of danger. Further single joystick for counterweight.
Filtration	Return filter with magnetic rod in the hydraulic tank
Hoist Cylinder	Variable flow hydraulic pump
Hydraulic System	Load sensing (demand controlled)
Operating Pressure	4060 psi
Pump Flow Capacity	74.80 gpm (283.12 lpm)
Pump Type	Swash plate piston pump

Operational

Liebherr RL66 Pipelayer Operational specifications
Alternator Supplied Amperage	140 amps
Cooling System Fluid Capacity	18.00 gal (68.13 l)
Engine Oil Capacity	11.40 gal (43.15 l)
Final Drives Fluid Capacity	5.90 gal (22.33 l)
Fuel Capacity	174.40 gal (660.10 l)
Hydraulic System Fluid Capacity	34.10 gal (129.07 l)
Operating Voltage	24 V
Operating Weight	130,844.40 lbs (59,350.10 kg)

Transmission

Liebherr RL66 Pipelayer Transmission specifications
Final Drive Type	Combination spur gear with planetary gear, double-sealed (duo cone seals) with electronic seal-integrity indicator
Max Speed - Reverse	2.50 mph (4.02 kph)
Steering	Hydrostatic
Transmission Type	Infinitely variable hydrostatic travel drive, independent drive for each track

Undercarriage

Liebherr RL66 Pipelayer Undercarriage specifications
Number Of Carrier Rollers Per Side	2
Number Of Track Rollers Per Side	9
Shoe Size	35.99 in (91.41 cm)

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