Road Roller Buy D812H Road Roller at Okorder

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Product Description:

Product Name: D812H Road Roller


Operating Weightkg12300
Static Linear LoadN/cm297/297
Speed Range

I Speedkm/h6
II Speedkm/h12
Theoretical Gradeability%42
Min. Turning Radius(Inside/Ouside)mm4870/7000
Vibration FrequencyHz50/67
Nominal Amplitudemm0.3/0.8
Centrifugal ForcekN103/159
Drum Diametermm1300
Drum Widthmm2130
Engine, Model
Rated PowerkW2300 r/min,98


Road Roller Buy D812H  Road Roller at Okorder




state-owned company

fortune 500 company



Road Roller Buy D812H  Road Roller at Okorder



Why choose us?

1 sincre

CNBM International is a state company, now is one of the largest state-owned group cooperation in China! All the equipment such as tower cranes, produced by CNBM are compliant with the national level quality.

2 professional

Our engineers will at your services 24hours to solve all your tower crane installation and other questions.  Our goal is to provide the best professional services.

3 quality

 CNBM International’s tower crane  have strict quality control, only the best quality products can pass the test.


 We have professional sales team to guarantee your reply within 12hours to save your precious time.

5 After sales

If the tower crane has any problems, we will solve your problems in first time.

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Q:What are the working conditions of impact rammer,
Impact rammer, flat rammer and small-sized roller belong to small compacting equipment. Hunan building and construction machine specializes in the production and sale of highway and municipal maintenance equipment.
Q:What is the difference between 18t roller and vibratory roller? What's their respective function?
Your problem is not comprehensive. If it is a vibratory roller, it will be divided into double and single steel wheels. Single steel wheels are used in earthwork and Macadam foundations. Double steel wheels are used on asphalt
Q:Which is compact for single steel wheel roller and double steel roller?
Single steel wheel and double steel wheel are suitable for different construction conditions, which can not be simply said which kind of compaction effect is good.
Q:How much is the front toughened 20t vibratory roller in the old section?
Glass cheap, depends on what you are glass front or side of the professional roller
Q:How heavy is the biggest roller?
We used the largest roller weight 33 tons, and then there is no reproduction, upgraded version is not clear
Q:What's the inner structure of the roller?
Single axle shaft type generally used in small vibratory roller, can achieve a single or two amplitude; and the shaft shaft type generally used for large and medium-sized vibroll, you can achieve multiple amplitude; welding disc plate and detachable box is widely used, but the detachable box compared with welding disc plate, the cleanliness of the oil chamber and the bearing hole concentricity is easier to achieve, can improve the service life of the bearing vibration.
Q:The difference between tracked roller and wheel roller
Roller usually said that only by the weight of road surface flattening itself only, suitable for small road pavement repair.
Q:Working principle of vibratory pump and vibrating motor
The motor drives the gear pump of the hydraulic oil circulation, and then to the vibrator here, the hydraulic oil circulating through the hydraulic gear into rotary force (hydraulic motor, and the motor is also popular that a truth, only substation, power transformation) let you through a transmission shaft. To an eccentric rotor to rotate, so there is a shock.
Q:The role of rubber tyred roller is used for water steady rolling
The main difference between the three is to use the site and use the different processes
Q:How many tons are the road rollers in the road? What's the model and how much is it?
Look at what road, county road, following 18, 21, three wheel road, dart 21, one, 24...... The vibration pressure is about 20.................. Prices vary, a manufacturer, a price, three rounds of pressure about two hundred thousand, vibration pressure of more than 20 to more than 30, XCMG road machine is the best, into the factory to buy, do not buy imitation, do not be cheated

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