- Overall Height: 31217.2 ft / 9515 m
- Boom Length: 27.89 ft / 8500 mm
- Overall Length: 19.02 ft / 5795 mm
- Track Gauge: 8.24 ft / 2510 mm
Published dimensions and weight
Liebherr RL66
The Liebherr RL66 is a crawler pipe layer of about 59.4 t, powered by a 368.8 hp engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight130844.4 lb59350 kg
03Selected published values52
Crawler pipe layers are commonly used to lift, position and support pipe during pipeline construction. Published rows for Liebherr RL66 include published operating weight of 130844.4 lb / 59350 kg, published engine power of 368.8 hp / 275 kw, published hydraulic flow of 74.8 gal/min / 283 L/min. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Height” field (31217.2 ft / 9515 m) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Boom Length” field (27.89 ft / 8500 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Length” field (19.02 ft / 5795 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Boom
Overall Height31217.2 ft9515 m
Boom Length27.89 ft8500 mm
Dimensions
Overall Length19.02 ft5795 mm
Track Gauge8.24 ft2510 mm
Overall Width10.99 ft3348 mm
Width Over Tracks18.54 ft5651 mm
Overall Height11.63 ft3543 mm
Ground Clearance1.82 ft552 mm
Height To Top Of Suspended Cab12.14 ft3700 mm
Undercarriage
Number Of Track Rollers Per Side99
Number Of Carrier Rollers Per Side22
Shoe Size35.99 in914 mm
Engine
Starter10.5 hp7.8 kw
Lubrication SystemPressurised lube systemPressurised lube system
Injection SystemDirect fuel injectionDirect fuel injection
Engine ModelD 946 A7 Emission regulations , EPA/CARB Tier 3/Tier 4fD 946 A7 Emission regulations , EPA/CARB Tier 3/Tier 4f
Net Power368.8 hp275 kw
Cooling SystemHydrostatic fan driveHydrostatic fan drive
Air CleanerDry-type air cleanerDry-type air cleaner
Power Measured @1800 rpm1800 rpm
Displacement732.3 cu in12 L
Battery Amp Hours4 x 954 x 95
AspirationTurbochangedTurbochanged
Operational
Operating Weight130844.4 lb59350 kg
Fuel Capacity174.4 gal660 L
Engine Oil Capacity11.4 gal43 L
Cooling System Fluid Capacity18 gal68 L
Hydraulic System Fluid Capacity34.1 gal129 L
Final Drives Fluid Capacity5.9 gal22 L
Alternator Supplied Amperage140 amps140 amps
Operating Voltage24 V24 V
Drum
Drum Length11 in279 mm
Flange Diamter24.1 in610 mm
Cable Diameter0.8 in20 mm
Cable Length393.8 in10000 mm
Hook Block4 sheaves4 sheaves
Hook Speed (Up, Down)52.5 ft/min16 m/min
Drum Diameter10 in254 mm
Transmission
SteeringHydrostaticHydrostatic
Transmission TypeInfinitely variable hydrostatic travel drive, independent drive for each trackInfinitely variable hydrostatic travel drive, independent drive for each track
Max Speed - Reverse2.5 mph4 km/h
Final Drive TypeCombination spur gear with planetary gear, double-sealed (duo cone seals) with electronic seal-integrity indicatorCombination spur gear with planetary gear, double-sealed (duo cone seals) with electronic seal-integrity indicator
Hydraulic System
Operating Pressure4060 psi27992.7 kPa
Hydraulic SystemLoad sensing (demand controlled)Load sensing (demand controlled)
ControlsSingle joystick for hoist winch and adjustable boom cylinder, free all device of hook in case of danger. Further single joystick for counterweight.Single joystick for hoist winch and adjustable boom cylinder, free all device of hook in case of danger. Further single joystick for counterweight.
Control Valve3 circuits, expandable to 63 circuits, expandable to 6
Pump TypeSwash plate piston pumpSwash plate piston pump
Pump Flow Capacity74.8 gal/min283 L/min
Hoist CylinderVariable flow hydraulic pumpVariable flow hydraulic pump
FiltrationReturn filter with magnetic rod in the hydraulic tankReturn filter with magnetic rod in the hydraulic tank
Brakes
Parking BrakeMulti-disc brake, wear-free, automatically applied with neutral joystick positionMulti-disc brake, wear-free, automatically applied with neutral joystick position
Service BrakeHydrostatic (self-locking), wear-freeHydrostatic (self-locking), wear-free
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Manufacturer-published specifications.