- Overview
- Specifications
- Description
- Applications
- Competitive Advantage
- Company Profile
- RFQ
- Recommended Products
Overview

| Place of Origin: | China |
| Brand Name: | SDBM |
| Model Number: | BM850 |
| Certification: | CE |
| Minimum Order Quantity: | 1 |
| Packaging Details: | Wooden box packaging |
The BM850 is a compact and efficient 0.8-ton class ride-on double drum road roller, designed for asphalt and soil compaction in urban construction, road maintenance, landscaping, and small-scale infrastructure projects. With a compact structure, reliable engine options, and excellent maneuverability, the BM850 delivers stable compaction performance and easy operation in narrow and confined working areas.
Specifications

| Technical parameter | ||||
| Model | BM850 | |||
| Operating weight | 800kg | |||
| Static line load | 55n/cm | |||
| Overall width | 875mm | |||
| Overall length | 1550mm | |||
| Overall height | 1210mm | |||
| Outside the turning radius | 2300mm | |||
| Drum width | 700mm front / 500mm rear | |||
| Drum diameter | 530mm front / 425mm rear | |||
| Start up | Manual / Electric start | |||
| Engine brand | Honda | Changfa | Changchai | Loncin |
| Engine model | GX390 | 186F | 178F | 390FD |
| Engine type | Gasoline four-stroke | Diesel four-stroke | Air-cooled four-stroke | Four-stroke gasoline air-cooled |
| Number of cylinders | 1 | |||
| Output Power | 9.7kW | 4.8kW | 4.4kW | 9.7kW |
| Rotating speed | 3600rpm | 2400rpm | ||
| Electrical Equipment | 12V | |||
| Drive mode | Two-way hydraulic chain drive | |||
| Speed | 0–5km/h | |||
| Theoretical climbing ability | 30% | |||
| Working brake | Variable displacement piston pump | |||
| Steering method | Mechanical steering | |||
| Steering system | Rear wheel steering | |||
| Vibrating drum | Front | |||
| Drive form | Mechanical transmission | |||
| Vibration frequency | 70Hz | |||
| Vibration amplitude | 0.5mm | |||
| Exciting force | 25kN | |||
| Form | Gravity shower | |||
| Hydraulic oil capacity | 12L | |||
| Fuel capacity | 6.5L | 3.5L | 2.7L | 6.5L |
| Water tank capacity | 18L | |||
Description
-

Engine
-

Steel wheel
-

LED lighting -

control lever
-

Steering wheel -

control panel
-

Seat -

Pedal
1. Reliable Engine Options
The BM850 is equipped with reliable Honda gasoline, Changfa, Changchai diesel, or Loncin gasoline engines from trusted manufacturers, providing stable power output, easy starting, and efficient fuel consumption. These engine options ensure dependable performance for continuous daily operation and various working environments.
2. Strong Compaction Performance
Featuring front vibration steel drum and efficient vibration technology, the BM850 provides uniform compaction results with excellent surface finishing quality. It is suitable for asphalt, soil, gravel, and other compacting applications, helping operators achieve high-quality results with fewer passes.
3. Compact and Flexible Design
The BM850 features a compact body design and excellent maneuverability, allowing it to operate efficiently in:
Sidewalks and bike lanes
Residential roads and parking areas
Road repair and maintenance projects
Landscaping and small construction sites
Its compact size makes transportation easier and improves working efficiency in limited spaces.
4. Durable and Low-Maintenance Structure
Built with a strong steel frame and high-quality hydraulic components, the BM850 provides excellent durability and long service life. The simple structural design allows convenient inspection and maintenance, reducing downtime and operating costs.
5. Operator-Friendly Operation
The BM850 is designed with comfortable controls, clear operation layout, and smooth steering performance. The ergonomic operator position reduces fatigue during long working hours and improves overall productivity.
Applications

Asphalt patching & finishing
Pathways, sidewalks, and residential projects
Small-area compaction
Foundations, trenches, and landscaping
Municipal repair and daily maintenance
Production Process

Competitive Advantage

Why Choose the SDBM BM850?
The SDBM BM850 is a compact 0.8-ton double drum road roller that combines powerful compaction performance with flexible operation. Equipped with reliable engine options and an efficient vibration system, it delivers smooth and consistent results on asphalt and soil surfaces.
Its compact dimensions, small turning radius, and easy transportation make it an ideal choice for municipal construction, road maintenance, landscaping, and small construction projects. Built with durability, efficiency, and cost-effectiveness in mind, the BM850 is a reliable compaction solution for professional users worldwide.
Behind the BM850 is SDBM’s manufacturing advantage—professional engineering machinery production, strict quality control, and complete in-house manufacturing capability. Every machine is tested for structural strength, vibration performance, and operating reliability before delivery.
With stable component supply, OEM/ODM customization capability, fast delivery, and global customer support, SDBM provides durable and efficient road construction equipment solutions.
Choose the BM850 because you get a professional machine backed by a trusted factory—compact size, reliable performance, and excellent value.
Packing and shipping
Packaging and Transportation
SDBM can provide suitable packaging and transportation solutions according to the machine configuration, order quantity, destination and customer requirements.
Export Packaging
Export wooden case packaging;
Protective film applied around the machine;
Protection against dust, scratches and surface contamination;
Proper securing of the engine, machine body and operating handle;
Inspection of documents and accessories before packing;
Loading arrangements for bulk orders according to available container space.
Transportation Options
Sea transportation;
Land transportation;
Air transportation;
Delivery to the customer’s designated port;
Delivery to the customer’s freight forwarder;
Delivery to a specified location where transport conditions allow.
Company Profile

Shandong Benma Engineering Machinery Co., Ltd. is a leading player in the field of engineering machinery. Since our establishment, we have obtained ISO9001 quality system certification in 2002, underscoring our dedication to producing high-quality products. Our extensive product range includes road rollers, mobile lighting towers, hydraulic power units, compaction machinery, concrete machinery, and construction machinery.
At Shandong Benma Construction Machinery, we take pride in our advanced production equipment and our team of experienced technicians. Our products feature innovative designs, exceptional craftsmanship, robustness, and durability, which have garnered high acclaim from users worldwide. With a strong reputation, superior product quality, and attentive after-sales service, we have successfully attracted.
RFQ
1: What is the BM850 road roller used for?
The BM850 is a compact 0.8-ton double drum ride-on road roller designed for asphalt and soil compaction. It is widely used for road repair, sidewalks, residential roads, landscaping projects, parking areas, and small construction works.
2: What is the operating weight of the BM850?**
The operating weight of the BM850 is 800kg, making it easy to transport and suitable for working in narrow areas and confined construction sites.
3: What engine options are available for the BM850?
The BM850 can be equipped with reliable engine options including Honda gasoline engine, Changfa diesel engine, Changchai diesel engine, and Loncin gasoline engine to meet different customer requirements.
4: What is the compaction width of the BM850?
The BM850 features a front drum width of 700mm and rear drum width of 500mm, providing efficient compaction performance for small and medium construction projects.
5: Is the BM850 suitable for asphalt compaction?
Yes. The BM850 is designed for asphalt compaction, soil compaction, and surface finishing applications. Its vibration system helps achieve uniform compaction results with fewer passes.
6: What is the maximum climbing ability of the BM850?
The BM850 has a theoretical climbing ability of up to 30%, allowing stable operation on slopes and uneven working surfaces.
7: Is the BM850 easy to operate?
Yes. The BM850 features an ergonomic operator design, smooth steering system, and simple controls, reducing operator fatigue and improving working efficiency.
8: Can the BM850 be customized?
Yes. SDBM provides OEM and ODM customization services, including color customization, logo printing, configuration options, and packaging solutions according to customer requirements.
9: What certifications does the BM850 have?
The BM850 is manufactured under SDBM's quality control system and can be supplied with CE certification according to customer requirements.
10: What is the minimum order quantity for BM850?
The standard MOQ is 1 unit. Customers can order a sample machine for testing before placing larger orders.
11: How do you package the BM850 for shipping?
The BM850 is normally packed with wooden box packaging to ensure safe transportation during international shipping.
12: Why choose SDBM BM850 road roller?
The BM850 combines compact size, reliable performance, easy operation, and competitive cost. Supported by SDBM's professional manufacturing experience, strict quality inspection, OEM capability, and global after-sales support, it is a dependable solution for small-scale compaction applications.
13.Contact Information
For any questions regarding technical specifications, drawings, or customization requirements, please contact:
WhatsApp: +86 17853787374
Email: [email protected]
Website: www.sdbmmachinery.com
📩 SDBM Sales Team
We will reply within 24 hours. Email: [email protected]


