LiuGong 6612E Roller 6612E

ENGINE
Emission Regulation Tier 4F/Stage V
Make Cummins
Model QSB4.5
Net Power 155 hp (116 kW) @ 2,000 rpm
Peak Torque 460 lbf·ft (624 N·m)
@ 1500 rpm
Number of Cylinders 4
Aspiration Turbocharged &
Air-to-Air Intercooler
Cooling Type Water

ELECTRICAL SYSTEM
System Voltage 24 V
DRIVE TRAIN
Theoretical Gradeability 50%

Transmission Type Hydraulic
1st Max. Speed, Fwd 2.8 mph (4.5 km/h)
2nd Max. Speed, Fwd 3.7 mph (6 km/h)
3rd Max. Speed, Fwd 4.3 mph (7 km/h)
4th Max. Speed, Fwd 7.5 mph (12 km/h)
Min. Outside Turning Radius 213.25 ft (6,500 mm)

STEERING
Steering System Hydraulic
Steering Method Articulation
Steering Angle ± 35°
Steering Relief Pressure 2,323.6 psi (16 MPa)
BRAKES
Service Brake Type
Hydraulic
Service Brake Actuation Hydraulic
Parking Brake Actuation Mechanical apply;
Hydraulic release
TIRES
Tire Size 23.1-26-12PR
Tire Pressure 29-31 psi (200-220 kPA)

HYDRAULIC SYSTEM
Main Pump Type Piston
Main Relief Pressure 5,076.32 psi (35 MPa)

PERFORMANCE
Static Linear Front Drum Load 2.42 lb-ft (329 N/cm)
Number of Vibrating Drums 1
Nominal Amplitude Range 0.075/0.047 in
(1,900/1,200 mm)
Vibration Frequency Range 30/33 Hz
Centrifugal Force Range 67,442.7/47,209.9 lbf
(300/210 kN)
Number of Amplitude Settings 2

OPERATING WEIGHT
Operating Weight with Ballast 27,117 lb (12,300 kg)
Mass on Vibrating Drum 15,432 lb (7,000 kg
Mass on Drive Axle 11,685 lb (5,300 kg)
SERVICE CAPACITIES
Fuel Tank 52.83 gal (200 L)
Engine Oil 4.5 gal (17 L)
Hydraulic Oil Tank 26.41 gal (100 L)
Cooling System 7.4 gal (28 L)

DIMENSIONS
A Overall Length 263.2 in (6,000 mm)
B Overall Width 89.7 in (2,280 mm)
C Drum Width 83.85 in (2,130 mm)
D Drum Diameter 61.22 in (1,555 mm)
E Drum Thickness 0.98 in (25 mm)
F Wheelbase 117.32 in (2,980 mm)
G Min. Ground Clearance 18.11 in (460 mm)
H Overall Height 126 in (3,200 mm