
Low Gas Type - The Ramtec RD series of hydraulic breakers stands as a beacon of excellence and stability, delivering unmatched performance in the industry.
The meticulous design of the product structure has undergone rigorous market testing over an extended period, proving its reliability and efficiency.
Meticulously refined by Ramtec's expert technical team, the latest RD series showcases superior high-temperature resistance, rapid operational frequency, formidable impact force, and exceptional control over reaction forces.
It has consistently captured the hearts of construction machinery enthusiasts and professionals alike.
With its straightforward component design, parts replacement becomes a breeze, enabling operators to maintain and replace parts with ease and efficiency.
The lightweight fuselage design substantially reduces the load on the excavator, extending its operational lifespan while minimizing vibration and wear on the carrier.
Thanks to its outstanding heat resistance, this product emerges as an ideal choice for areas experiencing high construction temperatures, ensuring optimal performance.
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. - Leading the Way as a Professional Manufacturer
Ramtec CN. Machinery Co., Ltd. Ramtec CN. Machinery Co., Ltd. stands as a titan in the field of hydraulic breakers, seamlessly integrating production, sales, and service to deliver excellence. With a sprawling 6,000-square-meter production workshop and a 2,000-square-meter office space, Ramtec is powered by a dynamic team of over 70 dedicated professionals. This includes seasoned engineers with extensive experience in hydraulic product R&D, skilled mechanical technicians, adept equipment debugging experts, and meticulous assemblers.
Boasting an impressive annual design and production capacity of 5,000 units, Ramtec is at the forefront of engineering high-end breaker products and Skid Steer Loaders. The hallmark Ramtec breaker series encompasses the high Gas Type-RB series, low Gas Type-RD series, and the innovative fully hydraulic hammer RQ series. Additionally, the Rmatec Skid Steer Loader, available in 850kg and 1200kg rating weights, ensures superior performance. With a robust production quality monitoring system, stringent procurement checks, and rigorous assembly process controls, Ramtec invites global partners to join in a promising partnership.
Ramtec is unwavering in its pursuit of high-end brand development, driven by scientific management, precision manufacturing, creative concepts, and stringent production oversight. Offering top-tier excavators, loaders, and breakers to the global construction machinery sector, our products proudly bear the ISO9001 quality management system certification and the prestigious EU CE certification.
Firmly entrenched in the construction machinery industry, Ramtec has amassed over 10 invention patents and more than 24 utility models. Our dedication has earned us accolades like Shandong High Tech Enterprise, Shandong Specialized and Innovative Enterprise, Shandong Science and Technology-oriented Small and Medium-sized Enterprise, and Yantai Innovative Small and Medium-sized Enterprise.
At Ramtec, craftsmanship fuels our passion, and our dedication shapes the future. We warmly invite friends from every corner of the globe to join us on a journey towards mutual success and a prosperous future.
Certifications
FAQ :
Question A : Could you elaborate on the relationship between Ramtec CN and the Finland-based Ramtec Robi?
Answer A : The origins of Ramtec CN trace back to its role as an agent for Ramtec Finland in Northern China. In 2010, we established Ramtec CN to exclusively promote the esteemed Robi brand products. However, in a significant milestone in 2013, we inaugurated our own manufacturing facility, embarking on the innovative journey of crafting hydraulic breakers and attachments under the distinguished Ramtec brand. While once cooperative allies, our paths have diverged, resulting in distinct product lines.
of Ramtec Finland in China, we registered a company named Ramtec CN in China to promote the Robi brand products of Ramtec
Finland. In 2013, Ramtec CN established its own manufacture factory and began to research and manufacture hydraulic breakers and
attachments, using and registered the Ramtec brand series products. The two companies used to be cooperative partners, but the
products produced by the two companies are totally different now.
Products of Ramtec Finland company - Robi Brand
Products of Ramtec China company - Ramtec Brand
Question B : Why is the warranty period set at an impressive 18 months?
Answer B : At Ramtec CN, we proudly produce all core spare parts in-house, ensuring unparalleled quality control. Our unwavering confidence in our meticulous material selection and precise heat-treatment processes empowers us to offer an extended warranty. Customers can rest assured about the reliability of our products within this generous period, barring any human-inflicted damages.
confidence in selection materials and heat-treatment control, which can ensure that customers use the products confidently within the
warranty period (without human damage) and provide corresponding guarantees.
Question C : How do you guarantee product compatibility with various carriers?
Answer C : Our extensive technical expertise, coupled with hands-on experience, allows us to maintain a comprehensive database of diverse excavator specifications. By accurately aligning product dimensions with the specific brand and series of the customer's carrier, we significantly minimize communication challenges. Moreover, we offer precise manufacturing tailored to each customer's carrier connections.
can accurately correspond to the size according to the brand and seires of the carrier provided by the customer, reducing
communication costs. We can also make precise measure manufacture for the carrier connections provided by the customer.
Question D : Why might Ramtec CN be unfamiliar to some?
Answer D : Since its inception, Ramtec CN has excelled in delivering exceptional products and services across China, amassing extensive field experience. This expertise has enabled us to produce superior quality OEM hydraulic breakers for renowned domestic excavator brands. Looking forward, from 2024 onwards, we are poised to expand globally, accepting Ramtec brand product orders and OEM opportunities for the international market.
field experience to produce high-quality products, and provides OEM hydraulic breakers for well-known domestic brands excavators,
and began to undertake Ramtec brand product orders and OEM for overseas markets since 2024.