
Low Gas Type - The Ramtec RD series stands as a testament to superior engineering in hydraulic breakers, celebrated for its outstanding stability and unwavering reliability. It epitomizes the zenith of innovation and excellence in the field.
This product's ingenious structural design has not only endured through the years but also earned its rightful place as a benchmark for durability and merit in the competitive marketplace.
Painstakingly refined by Ramtec's elite technical team, the latest RD series showcases superior high-temperature resistance, rapid operational frequency, powerful impact force, and exceptional management of reaction force, all while setting unprecedented standards in the industry.
A beloved favorite among construction machinery aficionados, this product has consistently delivered extraordinary performance and dependability, cementing its status as a top choice in the field.
Boasting components that are simple to replace swiftly and effortlessly, this product ensures seamless maintenance and operator convenience, all while significantly boosting operational efficiency.
The cutting-edge lightweight fuselage structure dramatically lessens the load on excavators, consequently prolonging the hydraulic excavator's lifespan and reducing vibrations and wear on the carrier, ensuring sustained peak performance.
With its exceptional high-temperature resistance, this product emerges as the definitive choice for construction projects in regions where temperatures reach unprecedented highs.
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 authority in the hydraulic breaker sector, Ramtec CN. Machinery Co., Ltd. stands as a beacon of excellence by expertly integrating world-class production capabilities, strategic sales initiatives, and top-tier service excellence. Encompassing a vast production facility that stretches across 6,000 square meters and a state-of-the-art 2,000-square-meter office, our team of over 70 dedicated professionals-including seasoned engineers in hydraulic innovation, experienced mechanical technicians, adept equipment debugging specialists, and expert assemblers-works tirelessly to deliver unparalleled quality and innovation.
With an exceptional annual capacity to design and produce 5,000 units, Ramtec leads the charge in advanced breaker solutions and Skid Steer Loaders. Our prestigious Ramtec breaker series features the cutting-edge high Gas Type-RB series, the highly efficient low Gas Type-RD series, and the groundbreaking fully hydraulic hammer RQ series. Complemented by the durable Rmatec Skid Steer Loader, available in weight ratings of 850kg and 1200kg, we adhere to rigorous quality monitoring and a meticulous procurement system, ensuring exacting standards throughout the assembly process. Continuing our pursuit of excellence, we actively seek global partnerships to broaden our reach and influence.
Ramtec is resolutely dedicated to crafting high-end brands through scientific management, precision manufacturing techniques, revolutionary manufacturing philosophies, and strict production oversight. This steadfast commitment to quality has earned us a reputation as a trusted provider of exceptional excavators, loaders, and breakers in the global construction machinery arena. Our products are proudly certified under the ISO9001 quality management system and hold the esteemed EU CE certification, signifying our adherence to exceptional standards.
Firmly rooted in the construction machinery landscape, Ramtec boasts over 10 invention patents and 24 utility models, showcasing our innovative spirit. We have garnered numerous accolades, including Shandong High-tech Enterprise, Shandong Specialized and Innovative Enterprise, Shandong Science and Technology Oriented SME, and Yantai Innovative SME, in recognition of our pioneering contributions to the industry.
Our commitment to craftsmanship forms the bedrock of our vision and our pledge to leadership in the industry. We warmly invite partners from across the globe to join us in collaboration, as we forge a path towards a prosperous and mutually beneficial 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.