
Low Gas Type - The Ramtec RD series stands as a testament to engineering excellence in the realm of hydraulic breakers, celebrated for its unmatched stability and unparalleled reliability.
This product's brilliantly innovative design has not only endured through the years but has also repeatedly demonstrated its exceptional merit and long-lasting durability in the market.
Expertly crafted by Ramtec's distinguished technical team, the cutting-edge RD series excels with superior high-temperature resilience, rapid operational frequency, exceptional impact force, and remarkable mastery over reaction force, redefining industry benchmarks.
A cherished choice among construction machinery aficionados, this product consistently delivers extraordinary performance and steadfast reliability, maintaining its status as a preferred option.
Designed with parts that are both straightforward and swiftly replaceable, this product ensures smooth maintenance and ease of use, greatly boosting operator efficiency and workflow.
Engineered with an innovative lightweight body structure, it effectively lowers the stress on excavators, thereby extending the life of hydraulic excavators while reducing vibrations and wear, offering remarkable protection to the carrier.
Renowned for its exceptional high-temperature resistance, this product is the definitive choice for construction projects in areas where temperatures reach extreme heights.
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 major player in the hydraulic breaker industry, Ramtec CN. Machinery Co., Ltd. epitomizes excellence by seamlessly merging production prowess, strategic sales, and impeccable service. Set within an expansive production workshop spanning an impressive 6,000 square meters, complemented by a 2,000-square-meter office space, our team comprises over 70 dedicated professionals. This includes veteran engineers specializing in hydraulic innovation, seasoned mechanical technicians, skilled equipment debugging experts, and proficient assemblers, all united in our pursuit of delivering unparalleled quality and precision.
Boasting an awe-inspiring annual design and production capability of 5,000 units, Ramtec stands at the forefront of high-end breaker solutions and Skid Steer Loaders. Our esteemed Ramtec breaker series includes the cutting-edge high Gas Type-RB series, the efficient low Gas Type-RD series, and the innovative fully hydraulic hammer RQ series. Complementing this advanced lineup is the robust Rmatec Skid Steer Loader, available in rating weights of 850kg and 1200kg. We adhere to stringent production quality monitoring and procurement systems, ensuring meticulous control and precision throughout the assembly process. Our relentless quest for excellence continues as we actively seek global partners to join our mission in expanding our reach and influence.
Ramtec is steadfastly dedicated to sculpting high-end brands through scientific management practices, precision manufacturing methods, groundbreaking manufacturing philosophies, and rigorous production oversight. Our unwavering commitment to quality has made us a trusted source of exceptional excavators, loaders, and breakers for the global construction machinery market. Our prestigious products proudly bear the ISO9001 quality management system certification and the esteemed EU CE certification, underscoring our commitment to excellence and reliability.
With deep roots firmly planted in the construction machinery sector, Ramtec has amassed an impressive portfolio of over 10 invention patents and 24 utility models, affirming our innovative spirit and leadership. We have been repeatedly recognized with accolades such as Shandong High-tech Enterprise, Shandong Specialized and Innovative Enterprise, Shandong Science and Technology Oriented SME, and Yantai Innovative SME, highlighting our commitment to pioneering advancements in technology and engineering.
Our unwavering dedication to craftsmanship is the cornerstone of our vision and our commitment to industry leadership. We extend an invitation to partners from across the globe to collaborate with us, as we pave the path towards a prosperous and shared future, guided by innovation, quality, and excellence.
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 is a testament to our unparalleled confidence in our craftsmanship. By producing all core spare parts in-house, free from outsourced procurement,
we exercise meticulous control over material selection and heat-treatment processes. This dedication ensures that our customers enjoy peace of mind and assured product reliability throughout the
warranty period (barring human-induced damage), backed by our unwavering commitment to quality and customer satisfaction.
Question C : How can we ensure that the product is compatible with the carrier?
Answer C : With extensive technical support experience and hands-on site expertise, we possess a comprehensive database of Excavator specifications, enabling precise matching of dimensions by brand and series,
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 local China, where our long-standing commitment has fostered remarkable expertise in field operations, culminating in top-tier product quality.
We have proudly provided OEM hydraulic breakers for prominent domestic excavator brands and, since 2024, have expanded to handle Ramtec brand product orders and OEM services for international markets.