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China Construction Equipment Motor Grader SG18-3 Mini Motor Grader 180HP Motor Graders
The SG18-3 is a medium-duty crawler motor grader designed for efficient grading and earthmoving tasks. It features a powerful engine with a rated power of 132 kW at 2200 rpm, providing strong performance and reliability[^1282^][^1284^]. The machine has an operating weight of 16.2 tons and a blade width of 3.665 meters, making it suitable for a wide range of applications.
Articulated steering for increased turning radius and flexible operation.
A spacious cab with excellent visibility, allowing the operator to view all working components. Hydraulic transmission with six forward and three reverse gears for smooth and reliable performance.
A maximum traction force of 82.5 kN and a minimum turning radius of 7.8 meters. A blade with a cutting angle adjustment range of 44° to 91° and a maximum cutting depth of 500 mm.
The SG18-3 is ideal for road construction, land leveling, and infrastructure projects, offering a combination of power, efficiency, and operator comfort.
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Operating weight of machine (kg)
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15900
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Wheelbase (mm)
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6260
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Wheel tread (mm)
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2155
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Minimum ground clearance (mm)
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430
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Steering angle of front wheels (°)
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±45
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Articulated steering angle (°)
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±25
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Maximum traction force (kN)
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83.5(f=0.75)
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Turning radius (mm)
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7,800 (Outer side of front wheel)
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Maximum gradeability (°)
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20
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Width of shovel blade (mm)
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3660/3965
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Height of shovel blade (mm)
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635
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Blade slewing angle (º)
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360
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Blade cutting angle (º)
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37-83
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Maximum digging depth of blade (mm)
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500
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Length (mm)
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9015
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Width (mm)
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2600
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Heigh (mm)
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3400
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Engine model
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6BTAA5.9-C180
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Emission
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China-II
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Type
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Mechanical direct injection
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Rated power/rated speed (kw/rpm)
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132kW/2200rpm
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Torque converter
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Single-stage single-phase three-element
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Speed for forward gear I (km/h)
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5.4
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Speed for forward gear II (km/h)
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9.3
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Speed for forward gear III (km/h)
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12.2
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Speed for forward gear IV (km/h)
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20.7
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Speed for forward gear V (km/h)
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25.6
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Speed for forward gear VI (km/h)
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39.7
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Speed for reverse gear I (km/h)
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5.4
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Speed for reverse gear II (km/h)
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12.2
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Speed for reverse gear III (km/h)
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25.6
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Service brake type
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Hydraulic brake
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Parking brake type
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Mechanical brake
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Brake oil pressure (MPa)
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10
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Working pump
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Constant displacement gear pump, with flow at 28ml/r
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Operating valve
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Integral multi-way valve
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Pressure setting of safety valve (MPa)
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16
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Pressure setting of safety valve (MPa)
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12.5
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Fuel tank (L)
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340
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Working hydraulic fuel tank (L)
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110
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Transmission (L)
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28
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Drive axle (L)
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25
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Balance box (L)
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2X38
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