
Low Gas Type - Discover the Ramtec RD series, the ultimate expression of engineering excellence in hydraulic breakers, famous for its unmatched stability and unwavering reliability.
The brilliant design of this product's structure has not only endured but thrived in the market, showcasing its exceptional merit and lasting durability.
Diligently honed by Ramtec's expert technical team, the newest RD series excels with unparalleled high-temperature resilience, rapid operational frequency, immense impact force, and masterful control of reaction force, elevating industry benchmarks.
A cherished favorite among construction machinery aficionados, this product consistently delivers exceptional performance and steadfast reliability.
Designed with components that are simple and swift to replace, this product promises stress-free maintenance and user convenience, boosting operational efficiency.
The pioneering lightweight fuselage design dramatically decreases stress on excavators, prolonging the service life of hydraulic excavators while reducing vibrations and wear on the carrier.
Boasting extraordinary high-temperature resistance, this product stands as the premier choice for projects in high-temperature regions.
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 trailblazer in the hydraulic breaker domain, Ramtec CN. Machinery Co., Ltd. embodies the pinnacle of excellence by flawlessly integrating superior production capabilities, strategic sales acumen, and impeccable service standards. Our state-of-the-art production facility, sprawling over 6,000 square meters, alongside a 2,000-square-meter office area, is home to a dedicated team of over 70 professionals. These include veteran engineers specializing in hydraulic innovations, seasoned mechanical technicians, adept equipment debugging experts, and proficient assemblers, all committed to delivering unmatched quality.
With a remarkable annual design and production capacity of 5,000 units, Ramtec stands at the forefront of sophisticated breaker solutions and Skid Steer Loaders. Our distinguished Ramtec breaker series includes the advanced high Gas Type-RB series, the efficient low Gas Type-RD series, and the innovative fully hydraulic hammer RQ series. This is complemented by the robust Rmatec Skid Steer Loader, available in weight ratings of 850kg and 1200kg. We maintain stringent quality monitoring and procurement systems throughout the production process, ensuring meticulous assembly control. Our relentless pursuit of excellence drives our mission to forge global partnerships and broaden our horizons.
Ramtec is unwavering in its dedication to cultivating high-end brands through scientific management practices, precision manufacturing techniques, revolutionary production philosophies, and rigorous oversight. Our steadfast commitment to quality positions us as a trusted provider of outstanding excavators, loaders, and breakers for the worldwide construction machinery market. Our products are proudly certified under the ISO9001 quality management system and have attained the esteemed EU CE certification.
Rooted deeply in the construction machinery sector, Ramtec boasts an impressive portfolio of over 10 invention patents and 24 utility models, underscoring its innovative prowess. We have consistently been honored with distinctions 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 exceptional craftsmanship forms the cornerstone of our vision and commitment to industry leadership. We extend an invitation to partners worldwide to join us in collaboration as we forge a path towards 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 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.