China supplier Dig Dog Hand Hold Roller Tandem Asphalt Compactor Road 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 safety considerations should be taken into account when using cam rollers in industrial settings?

When using cam rollers in industrial settings, several safety considerations should be taken into account to ensure the well-being of personnel, prevent accidents, and maintain a safe working environment. Here are some important safety considerations when using cam rollers:

  • Proper Guarding: Cam rollers should be properly guarded to prevent accidental contact with moving parts. Depending on the specific application and the level of exposure, appropriate guarding measures such as barriers, enclosures, or safety covers should be in place to protect operators and other personnel from potential hazards associated with rotating cam rollers.
  • Lockout/Tagout Procedures: Before performing maintenance or repair tasks on cam rollers or associated equipment, appropriate lockout/tagout procedures should be followed. Lockout/tagout procedures help ensure that energy sources are isolated, machinery is de-energized, and appropriate warning devices are in place to prevent unintentional startup or release of stored energy, minimizing the risk of injury.
  • Training and Awareness: Adequate training should be provided to operators and maintenance personnel working with cam rollers. They should be trained on safe operating procedures, potential hazards, emergency protocols, and proper use of personal protective equipment (PPE). Regular refresher training sessions and ongoing awareness programs can help reinforce safe practices and promote a safety-conscious culture.
  • Risk Assessment: Conducting a thorough risk assessment specific to the application and environment is crucial. Identify potential hazards associated with cam rollers, such as pinch points, entanglement risks, or flying debris. Assess the severity of each hazard and implement appropriate control measures to mitigate the risks, such as installing physical barriers, implementing safety interlocks, or providing warning signage.
  • Maintenance and Inspections: Regular maintenance and inspections of cam rollers are essential for identifying and addressing any issues that may compromise safety. Inspect the rollers, bearings, tracks, and associated components for signs of wear, damage, or misalignment. Follow manufacturer recommendations for maintenance intervals, lubrication schedules, and component replacements to ensure the safe and reliable operation of cam rollers.
  • Proper Load Handling: Ensure that cam rollers are not subjected to loads or forces beyond their specified capacity. Overloading cam rollers can lead to premature wear, component failure, or dangerous conditions. Consider the weight, size, and distribution of the load being tracked and ensure that the cam rollers and associated components are designed to handle the applied loads safely.
  • Proper Installation and Alignment: Follow proper installation procedures and ensure accurate alignment of cam rollers. Improper installation or misalignment can result in unexpected movements, excessive friction, or component failures, posing safety risks. Adhere to manufacturer guidelines and recommended alignment procedures to ensure safe and reliable operation.
  • PPE Usage: Personal protective equipment (PPE) should be provided and used appropriately by personnel working with or in the vicinity of cam rollers. Depending on the specific hazards involved, PPE such as safety glasses, gloves, hearing protection, or safety shoes may be required to mitigate the risk of injuries due to flying debris, contact with moving parts, noise exposure, or other potential hazards.

It is important to consult relevant safety regulations, industry standards, and guidelines specific to the application and location to ensure full compliance with safety requirements when using cam rollers in industrial settings. Regular safety audits, hazard assessments, and open communication with personnel can help identify and address potential safety concerns, creating a safer working environment for everyone involved.

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

What are the different types and configurations of cam rollers available in the market?

Cam rollers, also known as cam followers or track rollers, are available in various types and configurations to suit different applications and requirements. The selection of the appropriate type and configuration depends on factors such as load capacity, speed, operating conditions, and specific application needs. Here’s a detailed explanation of the different types and configurations of cam rollers available in the market:

  • Stud-Type Cam Rollers: Stud-type cam rollers have a stud or bolt that extends from the roller’s outer ring. The stud allows for secure attachment to the moving part of the mechanical system. Stud-type cam rollers are commonly used in applications that require high radial loads and moderate thrust loads, such as camshaft followers in engines or support rollers in conveyor systems.
  • Yoke-Type Cam Rollers: Yoke-type cam rollers have a yoke or mounting flange that provides a broader surface area for attachment. The yoke is typically bolted or clamped to the moving component. Yoke-type cam rollers are suitable for applications with higher radial and axial loads, such as in heavy machinery or industrial automation systems.
  • Full Complement Cam Followers: Full complement cam followers have a design that incorporates a maximum number of rolling elements, providing high load-carrying capacity. These cam rollers do not have a cage or roller retainer, allowing for more rollers to be included. Full complement cam followers are commonly used in applications where maximum load capacity is required, but speed and precision may be lower priority.
  • Caged Cam Followers: Caged cam followers have a cage or roller retainer that separates and guides the rolling elements. The cage maintains proper spacing and alignment of the rollers. Caged cam followers offer advantages such as reduced friction, improved speed capability, and better roller control. They are suitable for applications that require higher speeds, precision, and controlled roller movement.
  • Hexagonal Bore Cam Followers: Hexagonal bore cam followers have a hexagonal-shaped inner bore instead of a cylindrical bore. This design allows for direct tightening using a hexagonal wrench, simplifying installation and adjustment. Hexagonal bore cam followers are commonly used in applications where frequent adjustment or repositioning is required, such as in printing machinery or packaging equipment.
  • Stud-Type with Eccentric Collar: This type of cam roller features a stud with an eccentric collar. The eccentric collar allows for easy adjustment of the roller’s position by rotating the collar, providing a simple means of adjusting the preload or clearance in the system. Stud-type cam rollers with eccentric collars are commonly used in applications that require precise adjustment, such as in tensioning systems or in machinery with adjustable clearances.

These are some of the commonly available types and configurations of cam rollers in the market. Each type offers specific advantages and is designed to meet the demands of different applications. It is important to consider factors such as load capacity, speed requirements, precision, and specific application needs when selecting the appropriate type and configuration of cam roller.

In summary, the market offers a variety of cam roller types and configurations, including stud-type, yoke-type, full complement, caged, hexagonal bore, and stud-type with eccentric collar. Each type has its own advantages and is suitable for specific applications based on load capacity, speed, precision, and adjustability requirements.

China supplier Dig Dog Hand Hold Roller Tandem Asphalt Compactor Road Roller  China supplier Dig Dog Hand Hold Roller Tandem Asphalt Compactor Road Roller
editor by Dream 2024-05-09