Liebherr PR 776 Litronic Dozer


Dimensions

Width Over Tracks 10.37 ft in (3160 mm)
Height To Top Of Cab 14.28 ft in (4350 mm)
Length Of Track On Ground 12.69 ft in (3867 mm)
Ground Clearance 2.31 ft in (703 mm)
Track Gauge 8.37 ft in (2550 mm)

Undercarriage

Number Of Track Rollers Per Side 8
Shoe Type SESS (Super Extrem Service Shoes)
Track Shoe Width 24.02 in (610 mm)
Number Of Carrier Rollers Per Side 1

Engine Details

Starter 22.6 hp (16.8 kw)
Lubrication System Pressurised lube system
Injection System Direct fuel injection
Battery 4 x 180 Ah
Engine Model D 9508 A7-04 Emission regulation , EPA/CARB Tier 4f
Cooling System Hydrostatic fan drive
Air Cleaner Dry-type air cleaner
Net Power 590.1 hp (440 kw)
Power Measured @ 1600 rpm
Displacement 1476.8 cu in (24.2 L)
Aspiration Turbochanged
Max Power 678.6 hp (506 kw)

Operational Specs

Operating Weight 161354.2 lb (73189 kg)
Fuel Tank Capacity 290.6 gal (1100 L)
Cooling System Fluid Capacity 29.1 gal (110 L)
Engine Oil Capacity 24.6 gal (93 L)
Hydraulic Fluid Capacity 84.6 gal (320 L)
Final Drives Fluid Capacity 11.4 gal (43 L)
Operating Voltage 24 V
Alternator Supplied Amperage 140 amps

Transmission

Steering Hydrostatic
Transmission Type Infinitely variable hydrostatic travel drive, independent drive for each track
Max Speed – Reverse 2.5 mph (4.1 km/h)

Hydraulic System

System Pressure 4060 psi (27992.7 kPa)
Hydraulic System Load sensing (demand-controlled)
Controls Single joystick for all blade functions
Control Valve 4 segments, expandable
Pump Type Swash plate piston pump
Pump Flow Capacity 93 gal/min (352 L/min)
Filtration Return filter with magnetic rod in the hydraulic tank

Standard Blade

Width 15.9 ft in (4830 mm)
Height 83.7 in (2125 mm)
Capacity 24.2 yd3 (18.5 m3)
Cutting Depth 26.4 in (670 mm)
Lifting Height 5.2 ft in (1565 mm)
Blade Pitch Adjustment 11 degrees
Max. Blade Tilt 4.1 ft in (1245 mm)

Brakes

Parking Brake Multi-disk brake, wear-free, automatically applied with neutral joystick position
Service Brake Hydrostatic (self-locking), wear-free
Travel Control Single joystick for all travel and steering functions. Optional: detented Joystick, with inching pedal
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