SG21A-3

The complete machine can realize 6x6 traction.
Engine model: Cummins 6CTAA8.3-C215
Rated power: 160 kW/2200 rpm
Operating weight: 17.0 t

Packaging & Delivery

Wooden box

7-30 Days

SG21A-3 full-drive motor grader is one kind of multi-function high efficiency construction machinery. It can be used for leveling, ditching, scraping, bulldozing, ripping, land clearing and snow removing on large area ground such as highway, airport, mine and farmland etc.It is necessary construction machinery for defense construction, mine building, urban and rural road construction, water conservancy construction and farmland improvement etc.

The hydraulic drive system on front wheel can be interlocked with rear wheel gears. The complete machine can realize 6-wheel, 4-wheel and 2-wheel drive.

Engine Engine model Cummins 6CTAA8.3-C215
Rated power/speed 160   kW/2200 rpm
Engine type In-line,   water-cooled, 4-cycle, direct injection, turbocharged
Number of cylinders 6 (114 x   135 mm)
Piston displacement 8.3 L
Maximum torque/speed 980   N·m/1500 rpm
Minimum fuel consumption  202 g/kW·h
travel speed Transmission   and torque converter: Electronic controlled transmission with 6 forward gears   and 3 reverse gears.
Gear 1st 2nd 3rd 4th 5th 6th
Forward 0~5.4   km/h 0~9.3   km/h 0~12.2   km/h 0~20.5km/h 0~25.6   km/h 0~39.7   km/h
Reverse 0~5.4   km/h 0~12.2   km/h 0~25.4   km/h      
TRAVEL Tire   Type 17.5-25PR14
Steering system Max.   steering angle of front wheel  ±45°
Max. tilting angle of front wheel ±17°
Max. oscillating angle of front axle ±15°
Steering angle of frame ±25°
Max. oscillating angle of rear axle ±15°
Min. turning radius 8200 mm
Operation weight Operating   weight (standard configuration) 17000 kg
Front axle load 5100 kg
Rear axle load 11900 kg
Blade Blade   length  3660/3965/4270   mm
Blade height 635 mm
Blade rotational angle 360°
Cutting angle adjustment range 44~91°
Maximum cutting depth  500 mm
Cutting force per dozing  25.96/24.47/22.95   kN/m
Maximum lift above ground  440 mm
Maximum blade lateral extension (left/right)  1900/1950   mm

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