Liebherr RL66 Dozer

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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