
Low Gas Type - The Ramtec RD series stands as a beacon of engineering excellence in hydraulic breakers, celebrated for its remarkable stability and unwavering reliability.
The brilliant design of this product's structure has consistently demonstrated its value and endurance in the marketplace, proving its worth time and again.
Painstakingly refined by the adept Ramtec technical team, the latest RD series excels with its superior high-temperature resilience, swift frequency, mighty impact force, and outstanding control over reaction forces, establishing new benchmarks in the industry.
Cherished by aficionados of construction machinery, this product remains a preferred choice for delivering unmatched performance and steadfast reliability.
Incorporating parts that are easy and quick to replace, this design ensures effortless maintenance and simplicity for operators, boosting operational efficiency.
The cutting-edge lightweight fuselage design significantly alleviates the load on excavators, thereby prolonging the hydraulic excavator's lifespan while reducing vibrations and wear on the carrier.
With its exceptional high-temperature resistance, this product emerges as the quintessential choice for projects in regions where construction temperatures are exceptionally high.
RD series Metric |
Description |
unit |
RD5 |
RD6 |
RD9 |
RD125 |
RD175 |
RD225 |
RD275 |
RD375 |
RD475 |
RD500 |
RD550 |
RD600 |
RD700 |
RD800 |
Operation weight |
kg |
285 |
349 |
465 |
865 |
1120 |
1750 |
1999 |
2200 |
2800 |
3995 |
4850 |
5010 |
6814 |
7911 |
Required oil flow |
l/min |
40-70 |
50-90 |
65-110 |
90-120 |
90-120 |
130-150 |
130-150 |
150-190 |
180-250 |
200-270 |
220-290 |
220-290 |
230-300 |
250-330 |
Operation pressure |
kg/cm2 |
110-140 |
120-150 |
130-160 |
140-160 |
150-170 |
160-180 |
180-200 |
180-200 |
180-200 |
220-270 |
220-270 |
220-270 |
220-270 |
230-300 |
Impact rate |
bpm |
750-980 |
600-950 |
550-900 |
450-850 |
400-750 |
350-700 |
350-700 |
300-650 |
260-450 |
200-370 |
150-210 |
150-210 |
120-170 |
100-150 |
Tool diameter |
mm |
68 |
75 |
90 |
110 |
120 |
135 |
140 |
155 |
165 |
180 |
195 |
200 |
210 |
235 |
Impact power |
J |
600 |
800 |
1350 |
1800 |
2000 |
3600 |
4100 |
5000 |
7100 |
13500 |
18500 |
20000 |
23000 |
27500 |
Carrier weight |
ton |
5-7 ton |
6-8 ton |
9-11 ton |
12-14 ton |
14-18 |
18-21 |
22-26 |
26-32 |
36-42 |
42-48 |
48-55 |
50-62 |
62-68 |
68-85 |
|
RD series Imperial |
Description |
unit |
RD5 |
RD6 |
RD9 |
RD125 |
RD175 |
RD225 |
RD275 |
RD375 |
RD475 |
RD500 |
RD550 |
RD600 |
RD700 |
RD800 |
Operation weight |
lb |
628 |
769 |
975 |
1907 |
2469 |
3858 |
4407 |
4850 |
6173 |
8807 |
10692 |
11045 |
15022 |
17441 |
Required oil flow |
gal/min |
11-18 |
13-24 |
18-28 |
24-32 |
24-32 |
34-40 |
34-40 |
40-50 |
48-66 |
53-71 |
58-77 |
58-77 |
61-79 |
66-87 |
Operation pressure |
psi |
1595-2031 |
1740-2176 |
1885-2320 |
2031-2320 |
2176-2466 |
2321-2611 |
2611-2901 |
2611-2901 |
2611-2901 |
3191-3916 |
3191-3916 |
3191-3916 |
3191-3916 |
3336-4351 |
Impact rate |
bpm |
750-980 |
600-950 |
550-900 |
450-850 |
400-750 |
350-700 |
350-700 |
300-650 |
260-450 |
200-370 |
150-210 |
150-210 |
120-170 |
100-150 |
Tool diameter |
inch |
2.68 |
2.95 |
3.54 |
4.33 |
4.72 |
5.31 |
5.51 |
6.1 |
6.5 |
7.09 |
7.68 |
7.87 |
8.27 |
9.25 |
Impact power |
J |
600 |
800 |
1350 |
1800 |
2000 |
3600 |
4100 |
5000 |
7100 |
13500 |
18500 |
20000 |
23000 |
27500 |
Carrier weight |
lb |
11023-15432 |
13228-17637 |
19842-24251 |
26455-30865 |
30865-39683 |
39683-46297 |
48501-57320 |
57320-70548 |
79366-92594 |
92594-105822 |
105821-121254 |
110231-136687 |
136686-149914 |
149914-187393 |

Company Profile
Ramtec CN. - The Pinnacle of Professional Manufacturing
Ramtec CN. Machinery Co., Ltd. As a leading force in the hydraulic breaker industry, Ramtec CN. Machinery Co., Ltd. stands as a beacon of excellence, seamlessly integrating manufacturing expertise, strategic sales operations, and exceptional service delivery. Our expansive production facility spans a remarkable 6,000 square meters, complemented by a 2,000-square-meter office space. Our team consists of over 70 dedicated professionals, including seasoned engineers specializing in hydraulic innovation, mechanical technicians with vast experience, equipment debugging experts, and highly skilled assemblers, all committed to providing unparalleled quality.
With an exceptional annual design and production capacity of 5,000 units, Ramtec leads the charge in advanced breaker solutions and Skid Steer Loaders. Our distinguished Ramtec breaker series includes the cutting-edge high Gas Type-RB series, the highly efficient low Gas Type-RD series, and the pioneering fully hydraulic hammer RQ series. Furthermore, our robust Rmatec Skid Steer Loader is available in weights of 850kg and 1200kg. We uphold rigorous standards in production quality monitoring and procurement, ensuring meticulous oversight during assembly. Our relentless pursuit of excellence continues as we actively seek global partners to expand our impact.
Ramtec is unwavering in its commitment to shaping prestigious brands through scientific management practices, precise manufacturing techniques, innovative production philosophies, and stringent quality oversight. Our steadfast dedication to quality has established us as a trusted provider of exceptional excavators, loaders, and breakers in the global construction machinery market. Our products proudly carry the ISO9001 quality management system certification and the esteemed EU CE certification.
Deeply rooted in the construction machinery sector, Ramtec has secured over 10 invention patents and 24 utility models, showcasing our innovative prowess. We have been repeatedly honored with awards such as Shandong High-tech Enterprise, Shandong Specialized and Innovative Enterprise, Shandong Science and Technology Oriented SME, and Yantai Innovative SME.
Our unwavering dedication to craftsmanship is the cornerstone of our vision and our commitment to industry leadership. We extend a warm invitation to partners from around the world to collaborate with us, as we forge a path toward a prosperous and shared future.
Certifications
FAQ :
Question A : There is also a Ramtec Robi in Finland, what is the relationship between Ramtec CN and the one in Finland?
Answer A : The proud origins of Ramtec CN trace back to its role as an influential agent for Ramtec Finland in Northern China. By 2010, leveraging the robust collaboration as an agent
for Ramtec Finland throughout China, we strategically established Ramtec CN to diligently promote the esteemed Robi brand products from Ramtec
Finland. In a bold expansion in 2013, Ramtec CN launched its own manufacturing facility, focusing on innovative research and the production of high-quality hydraulic breakers and
attachments, thus creating and registering our Ramtec brand product line. Although Ramtec CN and Ramtec Finland were once cooperative allies, our current product offerings are now distinct and unique.
The products manufactured by both companies have diverged, showcasing our growth and independent product expertise.
Products of Ramtec Finland company - Robi Brand
Products of Ramtec China company - Ramtec Brand
Question B : Why is the warranty period 18 months?
Answer B : At Ramtec CN, the extended 18-month warranty period reflects our unparalleled confidence in the exceptional craftsmanship we offer. By producing all core spare parts in-house, free from outsourced procurement,
we meticulously control every aspect of material selection and heat-treatment processes. This unwavering dedication ensures that our customers enjoy peace of mind and assured product reliability throughout the
warranty period (barring human-induced damage), backed by our steadfast commitment to unwavering quality and customer satisfaction.
Question C : How can we ensure that the product is compatible with the carrier?
Answer C : With our extensive technical support experience and unparalleled hands-on site expertise, we possess a comprehensive database of Excavator specifications enabling precise matching of dimensions by brand and series,
carefully provided by the customer. This precise alignment significantly reduces communication costs. Additionally, we offer customized precision manufacturing for carrier connections tailored to the customer's exact specifications.
Question D : Why have we never heard of Ramtec CN before?
Answer D : Since its inception, Ramtec CN has been deeply rooted in the heart of China, where our steadfast dedication has fostered tremendous expertise in field operations, culminating in top-tier product quality.
We have proudly provided OEM hydraulic breakers for leading domestic excavator brands and, since 2024, have expanded to handle Ramtec brand product orders and OEM services for international markets.