RAYGOO

China ST Grader Good Quality Road Construction 17ton 215HP Brand Heavy Grader Sizes ( SG21A-3)

Product Description


All terrain 6 wheel drive SG21A-3 motor grader for snow clearing with heater adopts the external ring gear type working device to achieve higher transmitted torque, larger blade cutting angle, and better material control capability and features the maximum traction force among the domestic like machines. This machine is applicable for large-area leveling, ditching, slope scraping, bulldozing, ripping, land clearing, and snow removing and is an ideally essential machine for large building constructions, water conservancy projects.

Product Parameters


Product nameSG14SG16-3SG18-3SG21-3
Performance parameters    
Operating weight of machine (kg)11600151001590016800
Wheelbase (mm)5812626062606560
Wheel tread (mm)2050215521552155
Minimum ground clearance (mm)430430430430
Steering angle of front wheels (°)±45±45±45±45
Articulated steering angle (°)±25±25±25±25
Maximum traction force (kN)65(f=0.75)79.3(f=0.75)83.5(f=0.75)88.2(f=0.75)
Turning radius (mm)6600 (Outer side of front wheel)7,800 (Outer side of front wheel)7,800 (Outer side of front wheel)8200 (Outer side of front wheel)
Maximum gradeability (°)20202020
Width of shovel blade (mm)366036603660/39653660/3965/4270
Height of shovel blade (mm)615635635635
Blade slewing angle (º)360360360360
Blade cutting angle (º)30-6837-8337-8337-83
Maximum digging depth of blade (mm)500500500500
Length (mm)8036872690159315
Width (mm)2380260026002600
Heigh (mm)3170340034003400
Engine    
Engine model6BTAA5.9-C1506BTAA5.9-C1606BTAA5.9-C1806CTAA8.3-C215
EmissionChina-IIChina-IIChina-IIChina-II
TypeMechanical direct injectionMechanical direct injectionMechanical direct injectionMechanical direct injection
Rated power/rated speed (kw/rpm)112kW/2200118kW/2200132kW/2200rpm160kW/2200rpm
Drive system    
Torque converterSingle-stage single-phase three-elementSingle-stage single-phase three-elementSingle-stage single-phase three-elementSingle-stage single-phase three-element
TransmissionCountershaft power shiftCountershaft power shiftCountershaft power shiftCountershaft power shift
GearsSix forward and three reverseSix forward and three reverseSix forward and three reverseSix forward and three reverse
Speed for forward gear I (km/h)5.45.45.45.4
Speed for forward gear II (km/h)8.38.49.39.4
Speed for forward gear III (km/h)13.213.412.212.2
Speed for forward gear IV (km/h)20.620.320.720.5
Speed for forward gear V (km/h)29.629.825.625.4
Speed for forward gear VI (km/h)4439.639.739.7
Speed for reverse gear I (km/h)5.45.45.45.4
Speed for reverse gear II (km/h)13.213.412.212.2
Speed for reverse gear III (km/h)29.629.825.625.4
Brake system    
Service brake typeHydraulic brakeHydraulic brakeHydraulic brakeHydraulic brake
Parking brake typeMechanical brakeMechanical brakeMechanical brakeMechanical brake
Brake oil pressure (MPa)10101010
Hydraulic system    
Working pumpConstant displacement gear pump, with flow at 28ml/rConstant displacement gear pump, with flow at 28ml/rConstant displacement gear pump, with flow at 28ml/rConstant displacement gear pump, with flow at 28ml/r
Operating valveIntegral multi-way valveIntegral multi-way valveIntegral multi-way valveIntegral multi-way valve
Pressure setting of safety valve (MPa)16161616
Pressure setting of safety valve (MPa)12.512.512.512.5
Filling of fuel/oils/fluids    
Fuel tank (L)220340340340
Working hydraulic fuel tank (L)85110110110
Transmission (L)28282828
Drive axle (L)28252525
Balance box (L)2X232X382X382X23
Our Advantages

1. Working on Earth and stone construction projects

(1) Municipal construction,
(2) highway bridges,
(3) housing construction,
(4) road engineering,
(5) farmland water conservancy construction,
(6) port construction
..............

15 Tons St Se150 New Hydraulic Excavator, Excavator Bucket 0.65m3
2. Features advantage:

Integrates energy saving, reliability and comfort, features flexible operation and low noise, and is widely used in mines, construction site, underground mining, landscape engineering, municipal construction

3. Advantages for our excavactor: 

(1) The domestic leading hydraulic system distribution technology features high energy-saving and efficiency.
(2) The highest breakout force on the loading end is leading the industry by 15%~20% compared with like models.
(3) The advanced structure and hinge points on the digging end and the industry's largest rotating angle of the bucket ensure strong soil holding capacity.
(4) The unique stretch and retract technique avoids the bend of the core pipe and cylinder and the break of the boom caused by misoperation, improving the safety of the operations.

(5) Convenient maintenance
With integrated oil filling, the service person could access to the maintenance point from the ground, featuring higher efficiency.
The side plates of the shield and rear shield are opened easily, and it is convenient to check the engine and parts, and daily maintenance.

Why choose RAYGOO GROUP

1. Quality assurance
2. Multi-currency payment ( RMB / USD / EUR) & Multi Payment team: T/T, L/C at sight....
3. Cheap shipment costs, Rich container package & Fast shipment:
Raygoo group cooperated with many shipping company many years, which can get the cheapest ocean freight with latest shipping date, even whole shipping tracking.
Low Price 25 Ton Medium-Sided Excavator Digger Made in China (SY245)

4. Long-term spare parts support:
Since 2015, in order to effectively solve our customers spare parts demand, we built a spare parts department, which get high speaking feedback from our clients.
Low Price 25 Ton Medium-Sided Excavator Digger Made in China (SY245)

5. Long-term technical service support:
We have a professional technical team which provide technical support for our domestic or oversea clients. If clients have some technical problems which can't deal with it by self, we can provide video support or door to door support.
6. Door and door service:
Till now, we can support door and door assembling service if they can't assemble it when container arrived in some countries,such as Philippines, Zimbabwe, Mozambique, Kenya, Cambodia, Indonesia.... If the quantity is large, even can provide engineer indoor support.
Low Price 25 Ton Medium-Sided Excavator Digger Made in China (SY245)
Low Price 25 Ton Medium-Sided Excavator Digger Made in China (SY245)

7. Rich brands:

As we worked on construction machines more than 15 years, which already build nice strategic relationship with world brand company for competitive price and quality support.
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  FAQ

Q: What is your delivery time?
A: For standard machine, the delivery time is Within 25-35 days after receiving the down payment.It also depends on the models and the quantity of your order. 
     In peak season,the production may take longer.

Q: What is the payment term?
A: Normally we accept L/C, or T/T 30% down payment, balance to be paid against BL copy and loading pictures.

Q: What color can I choose?
A: There are Yellow, Red, Blue, Black, White, Orange,and Green. We can customize the color when you order more.

Q: What kind of service can I get from you? How can I get spare parts? 
A: We have 1 year warranty for each brand new machine, within 1 year, if any parts broken because of quality issues, the new parts would be sent to you free of charge by DHL, within 7 working days. Besides of the warranty policy, our professional after-sales team responds quickly to any kind of using problems, replacement parts supply could be guaranteed for a life time.

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