Liebherr RL66 Crawler Dozer Specs

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

Boom

Liebherr RL66 Crawler Dozer Boom specifications
Overall Height	31,217.20 ft (9,515.00 m)

Brakes

Liebherr RL66 Crawler Dozer 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 Crawler Dozer Dimensions specifications
Boom Length	27.90 ft (8.50 m)
Ground Clearance	1.90 ft (0.58 m)
Height to Top of Suspended Cab	12.20 ft (3.72 m)
Overall Height	11.70 ft (3.57 m)
Overall Length	19.10 ft (5.82 m)
Overall Width	11.00 ft (3.35 m)
Track Gauge	8.30 ft (2.53 m)
Width Over Tracks	18.60 ft (5.67 m)

Drum

Liebherr RL66 Crawler Dozer 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)	52.50 ft/min (16.00 m/min)

Engine

Liebherr RL66 Crawler Dozer Engine specifications
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

Hydraulic System

Liebherr RL66 Crawler Dozer 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

Operating Specifications

Liebherr RL66 Crawler Dozer Operating Specifications 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 volts
Operating Weight	130,844.40 lbs (59,350.10 kg)

Transmission

Liebherr RL66 Crawler Dozer 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 Crawler Dozer Undercarriage specifications
Number of Carrier Rollers per Side	2
Number of Track Rollers per Side	9
Shoe Size	36.00 in (91.44 cm)

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