Categories ↠ Crawler Dozers ↠ Liebherr RL66

Liebherr RL66 Crawler Dozer

Category: Crawler Dozers ➔
Manufacturer: Liebherr ➔
Model: RL66 ➔

General Specifications

Boom

Overall Height

31,217 ft (9,515 m)

Brakes

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

Dimensions

Boom Length	28 ft (9 m)
Ground Clearance	2 ft (1 m)
Height to Top of Suspended Cab	12 ft (4 m)
Overall Height	12 ft (4 m)
Overall Length	19 ft (6 m)
Overall Width	11 ft (3 m)
Track Gauge	8 ft (3 m)
Width Over Tracks	19 ft (6 m)

Drum

Cable diameter	1 in (2 cm)
Cable length	394 in (1,000 cm)
Drum Diameter	10 in (25 cm)
Drum length	11 in (28 cm)
Flange diamter	24 in (61 cm)
Hook block	4 sheaves
Hook speed (up, down)	53 ft/min (16 m/min)

Engine

Aspiration	Turbochanged
Battery Amp Hours	4 x 95
Cooling system	Hydrostatic fan drive
Displacement	732 cu in (12,000 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	369 hp (275 kw)
Power Measured @	1800 rpm

Hydraulic System

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	75 gpm (283 lpm)
Pump type	Swash plate piston pump

Operating Specifications

Alternator Supplied Amperage	140 amps
Cooling System Fluid Capacity	18 gal (68 l)
Engine Oil Capacity	11 gal (43 l)
Final Drives Fluid Capacity	6 gal (22 l)
Fuel Capacity	174 gal (660 l)
Hydraulic System Fluid Capacity	34 gal (129 l)
Operating Voltage	24 volts
Operating Weight	130,844 lbs (59,350 kg)

Transmission

Final Drive Type	Combination spur gear with planetary gear double-sealed (duo cone seals) with electronic seal-integrity indicator
Max Speed - Reverse	3 mph (4 kph)
Steering	Hydrostatic
Transmission Type	Infinitely variable hydrostatic travel drive independent drive for each track

Undercarriage

Number of Carrier Rollers per Side	2
Number of Track Rollers per Side	9
Shoe Size	36 in (91 cm)

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