China best Manufacturer Factory Hand Compact Mini Road Roller Vibratory Road Roller in High Quality

Product Description


WDMR700 Walk-behind Single Drum Vibratory Road Roller

DIG-DOG Compacting Machinery


DMR700 walk-behind single drum vibratory road roller is compact, easy to operate and versatile. It comes standard with a 880mm wide steel drum, has an operating weight of 550 kg and is powered by a high-quality four-stroke engine. It has high curb and nearside clearance so it can work accurately, reducing the need for manual work and trimming. The automatic CHINAMFG and reverse braking system provides easy operator control and features a height-adjustable handle for complete ergonomics, adjustable, reversible.


Self-cleaning scrapers prevent soil, asphalt and other granular base compaction materials from building up on the drum as they are pressed into the ground. It’s ideal for tight spaces and can be easily loaded CHINAMFG a flatbed or trailer for transportation from 1 job site to another.


Our Advantages

1. This roller has a small operating radius and can operate in narrow areas. It is an ideal equipment for highway maintenance, asphalt repair work, driveways, small parking lots, lawns, landscaping, sidewalks and trails;
2. It can provide an operating weight of up to 330kg, forming a tight and CHINAMFG foundation on which you can carry out construction, driving, walking and landscaping work;
3. Powered by a reliable four-stroke engine from a CHINAMFG brand with excellent long-lasting performance;
4. The transmission adopts CHINAMFG Seiko bearings and MITSUBOSHI (Samsung) V-belt to ensure the stability of the machine;
5. Large curb and side clearances allow you to work accurately and reduce the possibility of manual repairs or trimming;
6. Using high-quality hydraulic pumps and motors, the automatic CHINAMFG and reverse braking system is easy for the operator to control;
7. The handle adopts a plane gear mechanism and the height is adjustable;
8. Adjustable, reversible self-cleaning scrapers prevent material build-up on the rollers, regardless of the type of material you are compacting.

Product Parameters


Model DMR-300 DMR-300C DMR-700 DMR-700C
Engine Model Honda GX160 Changchai / CHINAMFG CF170 Honda GX270 Changfa CF178
Engine Type Gasoline / single cylinder /vertical / four-flush /overhead valve Diesel / single cylinder / vertical /four-flush / air-cooled direct injection Gasoline / single cylinder /vertical / four-flush /overhead valve Diesel / single cylinder / vertical /four-flush / air-cooled direct injection
Output Power 5.5 Hp 6 Hp 9 Hp 7 Hp
Walking way Two-way hydraulic,  chain and sprocket drive Two-way hydraulic,  chain and sprocket drive
Operation weight 330 kg 550 kg
Work width 780 mm 880 mm
Overall length (handrail is flat) 1600 mm 2150 mm
Length (handrail standing) 1060 mm 1870 mm
Steel wheel width x diameter 600×426 mm 700 x 530 mm
Excited force 20 Kn 20 Kn
Package size 1050 x 850 x 1200 mm 1200 x 920 x 1920 mm
Speed of travel 0-3.8 km/h 0-3.8 km/h
Climbing capacity 30° 30°
Frequency of vibration 70 HZ 70 HZ
The amplitude of vibration 0.6 mm 0.6 mm
Hydraulic oil capacity 15 L 18 L 15 L
Fuel capacity 6.5 L 2.7 L 5.9 L 2.7 L
Lubricating oil 1.1L 1.1L
Capacity of water tank 20 L 20 L
Sprinkler form Gravity water Gravity water

Standard configuration:
-Two-way hydraulic chain drive travel
-The armrest adopts plane gear adjustment
-The operation panel is on the adjustment armrest
-The steel wheel is equipped with 2 scrapers
-Gravity water spray system/Japanese CHINAMFG Seiko Bearing
-Japan CHINAMFG (Samsung) triangle belt
– Equipped with a support frame at the front and support wheels at the rear

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$ 2000/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

Are there innovations or advancements in cam roller technology that have emerged recently?

Yes, there have been several innovations and advancements in cam roller technology in recent years. These developments aim to improve performance, durability, efficiency, and versatility of cam rollers in various applications. Here are some notable innovations and advancements in cam roller technology:

  • Advanced Materials: Manufacturers are continually exploring new materials and coatings to enhance the performance and durability of cam rollers. Advanced materials such as ceramic or composite materials with high strength-to-weight ratios and excellent wear resistance are being used to improve the longevity and efficiency of cam rollers. Additionally, specialized surface coatings, such as diamond-like carbon (DLC) coatings or low-friction coatings, are being applied to reduce friction, minimize wear, and optimize performance.
  • Optimized Designs: Cam roller designs have evolved to optimize performance and functionality. Innovative design features, such as optimized cam profiles, improved roller geometries, and enhanced bearing arrangements, are being employed to reduce friction, increase load-carrying capacity, improve tracking accuracy, and minimize noise and vibration. These optimized designs help achieve smoother motion, higher efficiency, and improved overall performance of cam rollers.
  • Lubrication Technologies: Advancements in lubrication technologies are contributing to the efficiency and longevity of cam rollers. Specialized lubricants with enhanced properties, such as higher temperature resistance, extended lubrication intervals, and reduced friction coefficients, are being developed. Self-lubricating cam rollers incorporating solid lubricants or oil-impregnated polymers are also gaining popularity, reducing the need for frequent maintenance and lubrication while ensuring smooth operation.
  • Integrated Sensor Technology: Integration of sensors directly into cam rollers is an emerging trend in recent advancements. Position sensors, force sensors, or temperature sensors can be integrated within the cam roller assembly to provide real-time data on motion, load, or operating conditions. This information enables precise control, condition monitoring, and predictive maintenance of the cam roller system, improving overall performance and reliability.
  • Smart and Connected Features: With the rise of Industry 4.0 and the Internet of Things (IoT), cam rollers are being equipped with smart and connected features. Wireless connectivity, embedded microcontrollers, and communication protocols enable real-time monitoring, remote control, and data exchange with other components or systems. These smart and connected features enhance the functionality, diagnostics, and integration capabilities of cam rollers in automated and interconnected environments.
  • Simulation and Modeling: Advances in computer-aided design (CAD) and simulation tools have facilitated the optimization of cam roller systems. Virtual modeling and simulation techniques help engineers analyze and fine-tune the design parameters, kinematics, and performance characteristics of cam rollers before physical prototyping. This enables faster development cycles, improved performance predictions, and reduced time-to-market for innovative cam roller designs.

These recent innovations and advancements in cam roller technology are driving improvements in performance, efficiency, reliability, and functionality. They are expanding the capabilities of cam rollers and enabling their application in a wider range of industries and challenging environments.

cam roller

How do cam rollers contribute to precise and controlled motion in machinery?

Cam rollers play a significant role in ensuring precise and controlled motion in various machinery applications. Their design and functionality contribute to accurate tracking, smooth operation, and controlled movement. Here’s a detailed explanation of how cam rollers contribute to precise and controlled motion in machinery:

  • Cam Profile Following: Cam rollers are specifically designed to follow the profile of a cam or track. The outer ring of the cam roller is shaped to match the contour of the cam surface. As the cam rotates or moves, the cam roller maintains contact with the cam profile, ensuring precise tracking and controlled motion along the desired path. This cam profile following capability enables machinery to achieve accurate and repeatable motion.
  • Rolling Motion: Cam rollers utilize rolling motion to traverse the cam profile. The rolling motion reduces friction compared to sliding or rubbing contact, resulting in smoother operation and improved energy efficiency. The rolling action of cam rollers allows for controlled movement with minimal resistance, ensuring precise motion and minimizing wear and tear.
  • Load Distribution: Cam rollers are designed to distribute the applied load evenly among the rolling elements. This load distribution capability minimizes stress concentrations and prevents excessive wear on individual rollers. By distributing the load effectively, cam rollers contribute to maintaining precise and controlled motion without compromising performance or causing premature failure.
  • High Rigidity: Cam rollers are constructed to provide high rigidity, which is vital for precise and controlled motion. The materials and design of cam rollers ensure minimal deformation or flexing during operation, allowing for accurate positioning and controlled movement. The high rigidity of cam rollers enables machinery to maintain tight tolerances and achieve the desired motion without unwanted deviations.
  • Roller Retainers: Some cam roller designs incorporate roller retainers or cages that hold the rolling elements in place and maintain proper spacing. These retainers prevent roller skewing and ensure controlled movement by guiding the rollers along the cam profile. The use of roller retainers enhances precision and eliminates the risk of roller misalignment, contributing to precise and controlled motion in machinery.
  • Precision Bearings: Cam rollers are equipped with precision bearings that provide smooth rolling motion and reduce internal friction. These bearings are designed to handle both radial and axial loads, ensuring stable and controlled motion in various directions. The precision bearings in cam rollers contribute to the overall precision and controlled movement of the machinery.

By incorporating these design features and functionalities, cam rollers contribute to precise and controlled motion in machinery. They enable accurate tracking of cam profiles, utilize rolling motion with reduced friction, distribute loads evenly, provide high rigidity, use roller retainers for proper alignment, and utilize precision bearings for smooth operation. All these factors work together to ensure precise positioning, controlled movement, and reliable performance in a wide range of machinery applications.

In summary, cam rollers contribute to precise and controlled motion in machinery through their cam profile following capability, rolling motion, load distribution, high rigidity, roller retainers, and precision bearings. These features enable machinery to achieve accurate positioning, smooth operation, and controlled movement, resulting in improved performance and productivity.

cam roller

What is a cam roller, and how is it utilized in mechanical systems?

A cam roller, also known as a cam follower or track roller, is a specialized type of roller bearing used in mechanical systems. It is designed to follow the surface profile of a cam or track and transmit motion or force between the cam and a moving component. Here’s a detailed explanation of what a cam roller is and how it is utilized in mechanical systems:

A cam roller consists of a cylindrical roller, needle roller, or ball bearing that is mounted in a stud or yoke. The stud or yoke provides a means of attachment to the moving component of the mechanical system. The roller or bearing element is housed within a thick-walled outer ring, which serves as a guide and support for the roller. The outer ring has a profile that matches the shape of the cam or track over which the cam roller operates.

The primary function of a cam roller is to convert rotary motion into linear motion or vice versa. As the cam or track rotates, the cam roller follows the profile, causing the roller to move along the track. This motion can be utilized in various ways depending on the specific application. Here are some common uses of cam rollers in mechanical systems:

  • Motion Transmission: Cam rollers are often used to transmit motion from a rotating cam to a reciprocating or oscillating component. For example, in engines, cam followers are used to transfer the motion of the camshaft to the valves, opening and closing them at the appropriate timing.
  • Guiding and Support: Cam rollers can also provide guidance and support to moving components in a mechanical system. They help maintain proper alignment and prevent lateral movement or deflection. This is particularly useful in applications such as conveyor systems, where cam rollers guide the movement of belts or chains.
  • Load Bearing: Cam rollers are designed to withstand high loads and provide support to heavy-duty applications. They are often used in machinery and equipment where there is a need for reliable load-bearing capabilities. Examples include construction machinery, material handling equipment, and industrial automation systems.
  • Compensating for Misalignment: In some applications, cam rollers are utilized to compensate for misalignment between components. The rolling motion of the cam follower allows it to adjust and accommodate slight deviations in the cam or track profile, ensuring smooth operation even in imperfect conditions.

The choice of cam roller design, size, and material depends on the specific requirements of the application. Factors such as load capacity, speed, operating conditions, and precision requirements are taken into consideration when selecting the appropriate cam roller. Regular maintenance, including lubrication and inspection of the cam roller, is important to ensure its proper functioning and longevity in the mechanical system.

In summary, a cam roller is a specialized type of roller bearing used in mechanical systems to transmit motion, provide guidance and support, bear loads, and compensate for misalignment. Its ability to follow the profile of a cam or track allows for efficient conversion of rotary motion to linear motion or vice versa. Cam rollers find application in a wide range of industries and play a crucial role in ensuring the smooth and reliable operation of mechanical systems.

China best Manufacturer Factory Hand Compact Mini Road Roller Vibratory Road Roller in High Quality  China best Manufacturer Factory Hand Compact Mini Road Roller Vibratory Road Roller in High Quality
editor by Dream 2024-05-14