China best New Design Walk-Behind Road Roller Machine Vibratory Compactor Vibratory Roller

Product Description

DMR50 Walk-behind Double Drum Vibratory Road Roller

DIG-DOG Compacting Machinery

DMR50 walk-behind double drum vibratory road roller is used for compacting asphalt pavement, compacting CHINAMFG and sand, rolling lawn, soil, etc. It is often used in asphalt roads, sidewalks, bridges and culverts, parking lots, stadiums and narrow venues. The DMR50 mini roller can vibrate vertically. It has large excitation force and high compaction efficiency. It is an ideal equipment for highway and municipal departments to build roads, streets and squares. The DMR50 double drum mini roader roller can move CHINAMFG and backward, and has the characteristics of convenient reversing, flexible steering, labor saving and convenient operation; the “reversing” forced reversing lever device makes the operation safer. Its armrests can be raised to reduce transport space. If you want to buy a small roller, please contact us.


Our Advantages

1. Equipped with famous brand power supply, famous brand quality assurance, superior performance and easy startup;
2. Adopt internationally renowned brand hydraulic variable pump and quantitative motor, Continuously Variable Transmission, CHINAMFG and backward walking, and convenient reversing;
3. Adopt internationally renowned brands of hydraulic quantitative motors with low noise, high efficiency, low energy consumption and long life;
4. The front and rear drums are articulated through hydraulic steering, making the steering light and labor-saving;
5. Integrated control of forward/reverse and vibration; 5. Use CHINAMFG precision bearings to ensure the working performance of the machine;
6. The mechanical surface is sprayed with plastic, which is beautiful, rust-proof and corrosion-resistant; 7. Computerized controlled access to alarms, monitoring and water spraying.

Product Parameters

Model DMR-50 DMR-50C DMR-50CS
Engine model Honda GX 270 Changchai / Chang CF178 Changchai / Chang R180
Engine type Gasoline / single cylinder / vertical / four-stroke / overhead valve Diesel / single-cylinder / vertical / air-cooled / four-stroke range Diesel / single-cylinder / horizontal / water-cooled evaporation / four-stroke range
Power 9 Hp 7 Hp 7.6 Hp
Package Size 1600 × 850 × 1900 mm
Walking way bidirectional hydraulic, chain transmission
Static line load 45 n/cm
Oscillation Amplitude 0.6 mm
Frequency of oscillation 70 Hz
Work width 780 mm
Length (square square) 2480 mm
Machine height  (L) 1820 mm
Excited force 20 KN
Steel wheel width x diameter(WI x HI) 600 × 426 mm
Wheel-base 650 mm
Speed 0-4 Km/h
Theoretical climbing ability 30°
Sprinkler form Gravity shower
Operation weight 540 Kg 540 Kg 570 Kg
Hydraulic oil capacity 18 L
Fuel capacity 5.9 L 2.7 L 6.5 L
Lubricating oil 1.1 L 1.1 L 2 L
Water tank capacity 20 L 20 L


Standard configuration:
-Two-way hydraulic chain drive travel
-Series travel drive
-The operation panel of the extended support armrest is on the extended armrest
-Each steel wheel is equipped with 2 scrapers
-Gravity water spray system Japanese CHINAMFG Seiko bearings
-Japan CHINAMFG (Samsung) triangle belt

Optional equipment:
-LED headlights
-Grooved compaction cam drum

Detailed Photos




Operation Panel

1 click start operation saves time and effort,

The control dashboard is fully functional

and can fully control the operation condition

of the machine at any time.



with a simple and highly efficient scraper

for removing mud, dirt, gravel, etc,

from the periphery of the roller.



Hydraulic Vibration and Steering

steering is light and labor-saving;

Edge compacted,

flat and fast.

Famous Brand Engine

Equipment famous brand power,

famous brand quality assurance,

superior performance, easy to start.





Feedback from customers

With the development of cities, mini rollers have become popular all over the world. Small rollers are mainly used to repair coverings around pits and edges, compacting asphalt backfilled in small trenches, and are suitable for narrow spaces such as asphalt pavements, sidewalks, bridges, parking lots, sports fields, lawns, etc. DIG-DOG road vibratory rollers are divided into walk-behind rollers, ride-on rollers, double drum rollers and single drum rollers. Contact us today to get mini roller prices.


Company Profile

DIG-DOG, Dig the world!

DIG-DOG is a branch of CHINAMFG Group. We have an independent brand and are dedicated to excavation projects in the construction machinery market. 

DIG-DOG can provide excavators, wheel loaders, backhoe loaders, skid steer loaders, forklifts for the construction machinery industry, so that 
you can buy not only a single machine, but also full range of multi-functional and customized attachments to deal with different work requirements.

DIG-DOG machinery products exported more than 80 countries, and DIG-DOG have our own brand agents in North America, South America, Europe and many other regions,and we welcome more friends to become our brand agents. We can provide customers with more convenient and comprehensive after-sales service. Choose DIG-DOG to make your excavation work more easier and more convenient, and choose DIG-DOG to fully realize the possibility of configuring more accessories for the machine.


1. Are You Original Manufacture? 
Yes, DIG-DOG is a Manufacture In Construction Machinery In China And We Have The Wholeseries
Products You Need. 
2.Which Incoterms Terms Can We Work?
Normally We Work On FOB, CFR, CIF. 
3.Which Payment Terms Do You Accept? 
Normally We Can Work On T/T Term Or L/C Term.
4.What About The Warranty Time?
12 Months After Shipment Or 2000 Working Hours. 
5.What About The Delivery Time? 
7-30 Days After Receiving The Deposit. 
6.What About The Minimum Order Quantity? 
The MOQ Is 1 Pcs. 
7.How Do I Choose The Right Walk-Behind Vibratory Road Roller?
-Type of material that will be compacted (dirt, sand, gravel, asphalt, etc.)
-Size of area.
-Site layout (open area or confined areas)
-Transportation to and from the job site.
8. Price Difference?
The product prices on the website fluctuate due to factors such as raw material costs. Please refer to the quotation from the business person in charge.



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After-sales Service: Provide
Warranty: Provide
Type: Road Roller
US$ 2200/Piece
1 Piece(Min.Order)


Order Sample



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Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

cam roller

What are the signs that indicate a need for cam roller replacement or maintenance, and how can they be diagnosed?

Proper maintenance and timely replacement of cam rollers are essential for ensuring their optimal performance and longevity. Several signs indicate the need for cam roller replacement or maintenance, and diagnosing these signs can help identify potential issues. Here are some common signs and diagnostic methods:

  • Abnormal Noise: Unusual or excessive noise during the operation of cam rollers can indicate problems. Grinding, squeaking, or rattling sounds may suggest issues such as worn bearings, misalignment, or insufficient lubrication. Conduct a thorough inspection and listen for any abnormal noise while the cam rollers are in motion.
  • Irregular Motion: If the cam rollers exhibit irregular or jerky motion instead of smooth and consistent rolling, it may indicate problems. This can be caused by misalignment, damaged cam profiles, worn bearings, or debris accumulation. Observe the motion of the cam rollers carefully to detect any irregularities or inconsistencies.
  • Inconsistent Tracking: Cam rollers should provide accurate and consistent tracking of objects or components along the designated path. If there are deviations or errors in the tracking, it may indicate misalignment, worn cam profiles, damaged rollers, or track irregularities. Monitor the tracking performance of the cam rollers and check for any inconsistencies or deviations from the desired path.
  • Excessive Wear: Visual inspection of the cam rollers can reveal signs of excessive wear. Check for signs such as worn or flattened surfaces, pitting, cracks, or deformation. Excessive wear can occur due to high loads, misalignment, inadequate lubrication, or prolonged usage. Regularly inspect the cam rollers for any visible signs of wear or damage.
  • Uneven Load Distribution: Improper load distribution across the cam rollers can lead to premature wear or failure. Inspect the cam rollers and associated components for any signs of uneven loading, such as uneven wear patterns, excessive wear on specific rollers, or track distortions. Uneven load distribution may result from misalignment, damaged components, or improper installation.
  • Increased Friction: Excessive friction during the rolling motion of cam rollers can impair their performance and lead to accelerated wear. Monitor the rolling motion and check for signs of increased friction, such as resistance, overheating, or uneven movement. Excessive friction can be caused by misalignment, inadequate lubrication, debris accumulation, or worn components.
  • Loss of Efficiency: A decrease in the efficiency of the cam roller system can indicate underlying issues. If the system requires more power, shows reduced speed, or exhibits decreased accuracy compared to its normal operation, it may indicate problems with the cam rollers. Monitor the system’s performance and compare it with the expected efficiency to identify any loss in performance.

When diagnosing these signs, it is important to follow manufacturer guidelines and recommended maintenance procedures. Diagnostic methods may include visual inspection, listening for abnormal sounds, measuring performance parameters, checking alignment, conducting lubrication analysis, or consulting with qualified technicians or maintenance professionals.

Regular maintenance and inspection schedules should be established to monitor the condition of cam rollers. By identifying signs of wear, misalignment, or other issues early on, timely maintenance or replacement can be performed to prevent further damage, maintain optimal performance, and extend the lifespan of the cam roller system.

cam roller

Can you explain the impact of cam rollers on the overall efficiency of tracking systems?

Cam rollers play a crucial role in the overall efficiency of tracking systems. These systems rely on the precise and controlled movement of components or objects along a predetermined path, and cam rollers contribute to achieving accurate tracking, smooth motion, and reliable operation. Here’s a detailed explanation of the impact of cam rollers on the overall efficiency of tracking systems:

  • Precision Tracking: Cam rollers are designed to follow a specific cam profile or track, which allows for precise tracking of objects or components. The shape and contour of the cam determine the desired motion, and the cam rollers ensure that the objects or components move along the track with high accuracy and repeatability. This precise tracking capability enhances the overall efficiency of tracking systems by ensuring that the intended path is followed consistently.
  • Smooth Motion: Cam rollers are engineered to provide smooth rolling motion along the cam profile or track. The rolling elements of the cam rollers, such as bearings or rollers, minimize friction and enable the objects or components to glide smoothly along the track. This smooth motion reduces energy consumption, minimizes wear and tear, and enhances the overall efficiency of the tracking system by facilitating seamless movement without jerks or disruptions.
  • Reduced Wear: By distributing the load evenly and providing a rolling contact, cam rollers help reduce wear on both the rollers themselves and the track they follow. The rolling action minimizes frictional forces and wear compared to sliding or dragging mechanisms. This reduced wear extends the lifespan of the cam rollers and the tracking system components, ensuring long-term efficiency and reliability.
  • High-Speed Capability: Cam rollers are designed to operate at high speeds without compromising performance. The choice of materials, lubrication, and design factors such as stability and balance enable cam rollers to handle rapid motion and high-speed tracking requirements. Their ability to maintain accurate tracking and smooth motion even at high speeds enhances the overall efficiency of tracking systems in applications where speed is crucial.
  • Load Capacity: Cam rollers are engineered to handle varying load capacities based on their design and construction. They can support significant loads while maintaining precise tracking and smooth motion. This load-carrying capability ensures that tracking systems can accommodate different objects or components of varying weights, contributing to the overall efficiency of the system by enabling versatile and reliable operation.
  • Reliability and Durability: Cam rollers are typically designed for robustness and durability. They are built to withstand the demands of continuous operation, heavy loads, and challenging environmental conditions. The use of high-quality materials, proper lubrication, and appropriate maintenance practices ensure the reliability and longevity of cam rollers, minimizing downtime and maximizing the overall efficiency of tracking systems.

In summary, cam rollers have a significant impact on the overall efficiency of tracking systems. Their precision tracking, smooth motion, reduced wear, high-speed capability, load capacity, reliability, and durability contribute to the efficient and reliable operation of tracking systems in various applications. By incorporating well-designed and properly maintained cam rollers, tracking systems can achieve optimal performance, accuracy, and productivity.

cam roller

Can you describe the factors to consider when selecting cam rollers for specific applications?

When selecting cam rollers for specific applications, several factors need to be considered to ensure optimal performance, reliability, and longevity. The suitability of a cam roller for a particular application depends on various parameters and requirements. Here’s a detailed explanation of the factors to consider when selecting cam rollers:

  • Load Capacity: One of the primary considerations is the anticipated load capacity of the cam roller. The cam roller should have sufficient load-carrying capacity to support the expected radial and axial loads in the application. It is important to consider both static and dynamic loads, as well as any potential shock or impact loads that may occur.
  • Speed and Acceleration: The speed at which the cam roller will operate, as well as the acceleration and deceleration rates, should be taken into account. High-speed applications require cam rollers that can accommodate the associated centrifugal forces and provide smooth rolling motion without excessive heat generation. Additionally, the roller should be able to handle the acceleration and deceleration forces without compromising performance.
  • Precision Requirements: Depending on the application, precision requirements may vary. Some applications demand high positioning accuracy and minimal deviation, while others may have looser tolerances. It is important to select a cam roller that can meet the desired precision requirements, ensuring accurate tracking and motion control.
  • Operating Conditions: Consider the operating conditions in which the cam roller will be used. Factors such as temperature, humidity, dust, and corrosive environments can impact the performance and longevity of the cam roller. Choose a cam roller that is designed to withstand the specific operating conditions of the application, ensuring durability and reliability.
  • Lubrication and Maintenance: Proper lubrication is crucial for the smooth operation and longevity of cam rollers. Consider the lubrication requirements of the cam roller and whether it has provisions for effective lubrication. Additionally, assess the maintenance needs and accessibility of the cam roller for periodic inspection, lubrication replenishment, and potential replacement.
  • Mounting and Attachment: Evaluate the mounting and attachment options available for the cam roller. Different applications may require stud-type cam rollers or yoke-type cam rollers, depending on the attachment method and space constraints. Ensure that the chosen cam roller can be securely mounted and aligned with the moving parts of the system.
  • Cost and Availability: Finally, consider the cost and availability of the cam roller. Evaluate the overall cost-effectiveness of the selected cam roller, taking into account its performance, longevity, and maintenance requirements. Additionally, ensure that the chosen cam roller is readily available from reliable suppliers to avoid delays or compatibility issues.

By considering these factors, you can select the most suitable cam roller for a specific application, ensuring optimal performance, reliability, and longevity. It is advisable to consult with manufacturers or industry experts to obtain guidance and recommendations tailored to your specific requirements.

In summary, the factors to consider when selecting cam rollers for specific applications include load capacity, speed and acceleration requirements, precision needs, operating conditions, lubrication and maintenance considerations, mounting and attachment options, as well as cost and availability. Assessing these factors will help in choosing the appropriate cam roller that meets the unique demands of the application.

China best New Design Walk-Behind Road Roller Machine Vibratory Compactor Vibratory Roller  China best New Design Walk-Behind Road Roller Machine Vibratory Compactor Vibratory Roller
editor by CX 2024-03-26