
Low Gas Type - Introducing the celebrated Ramtec RD series: a paragon of excellence and stability in the hydraulic breaker realm, it sets a new standard for unmatched reliability within the industry.
The brilliant architectural design of this product has undergone stringent market evaluations, consistently proving its superior performance, showcasing its unmatched robustness and efficiency over time.
Expertly engineered by the proficient team at Ramtec, the cutting-edge RD series emerges with extraordinary attributes: exceptional resistance to high temperatures, swift operational cadence, colossal impact force, and advanced control of reactive forces.
For an extended period, this exceptional product has won over construction machinery enthusiasts, consistently securing their unwavering trust and loyalty.
The straightforward and user-friendly part replacement process simplifies maintenance, boosting operational efficiency and substantially reducing downtime for users.
Engineered with a lightweight fuselage, this design notably alleviates the burden on excavators, thus prolonging the hydraulic excavator's lifespan and simultaneously diminishing vibration and wear on the carrier.
With its remarkable high-temperature resistance, it stands as the premier choice for construction projects in high-heat regions, ensuring peak performance even under the most challenging conditions.
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. - Your Professional Manufacturer
Ramtec CN. Machinery Co., Ltd. Ramtec CN. Machinery Co., Ltd. stands as a distinguished giant in the realm of hydraulic breaker manufacturing, harmoniously blending production, sales, and service. Within our expansive 6,000 square meter standardized production workshop and 2,000 square meters of modern office space, over 70 dedicated professionals, including seasoned engineers, senior mechanical technicians, skilled equipment debugging experts, and adept assemblers, work with unwavering dedication. Together, they infuse innovation into each hydraulic product, ensuring quality and excellence.
With an impressive annual design and production capacity of 5,000 units, Ramtec CN. is at the forefront of delivering cutting-edge high-end breaker products and Skid Steer Loaders. Our sophisticated Ramtec breaker series-featuring the high Gas Type-RB series, low Gas Type-RD series, and the breakthrough fully hydraulic hammer RQ series-complements the versatile Rmatec Skid Steer Loaders (Rated at 850kg and 1200kg). Our commitment to excellence is fortified by a comprehensive production quality monitoring system, diligent procurement oversight, and rigorous assembly process controls. We actively seek dynamic global partners to join us in our mission for unparalleled growth.
At Ramtec CN., we are dedicated to shaping high-end brands through scientific management, precision manufacturing, and visionary innovation. Our products, including premium excavators, loaders, and breakers, set the benchmark in the global construction machinery industry. Our steadfast dedication to quality is validated through ISO9001 quality management system certification and the esteemed EU CE certification.
Deeply ingrained in the construction machinery sector, Ramtec CN. proudly holds over 10 invention patents and 24+ utility models, embellishing our legacy. Our accolades include being recognized as a Shandong High Tech Enterprise, a Shandong Specialized and Innovative Enterprise, a Shandong Science and Technology Oriented Small and Medium Sized Enterprise, and a Yantai Innovative Small and Medium Sized Enterprise-attesting to our pioneering spirit and commitment to excellence.
At Ramtec CN., craftsmanship is at the heart of our endeavors, guiding us towards an inspiring future. We warmly extend our hand to partners worldwide, aspiring to create a harmonious, win-win future together.
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 : Initially operating as an agent for Ramtec Finland in Northern China, by 2010, we established Ramtec CN to expand the reach of Robi brand products throughout China, proudly standing as one of Finland's trusted agents.
In a groundbreaking move in 2013, Ramtec CN inaugurated its own manufacturing facility, embarking on a remarkable journey to craft hydraulic breakers and attachments that proudly bear the Ramtec brand.
Once partners in innovation, Ramtec CN and Ramtec Finland have branched into unique paths, each creating distinctive product lines tailored to meet varying market demands.
Ramtec CN is pioneering modern solutions with its own branded hydraulic innovations, while Ramtec Finland upholds its heritage with the esteemed Robi brand.
Our histories have been shared, yet our innovations guide us on separate yet harmonious paths, charting complementary futures in engineering excellence.
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, we are committed to precision crafting our core spare parts in-house, executing rigorous quality checks from material choice to heat-treatment.
This dedicated process empowers us with confidence to provide an 18-month warranty, assuring you of unmatched reliability and peace of mind, free from concerns over production defects.
(Excludes human-induced damage) This warranty underscores our unwavering commitment to premium quality and customer satisfaction.
Question C : How can we ensure that the product is compatible with the carrier?
Answer C : At Ramtec CN, our profound technical expertise coupled with vast on-site experience enables us to boast a comprehensive database of excavator specifications.
With this wealth of knowledge, we align our products to your carrier's specifications, ensuring seamless communication and perfect compatibility.
We provide precise measurements and tailor our manufacturing processes for flawless integration with your carrier's connections.
Question D : Why have we never heard of Ramtec CN before?
Answer D : While Ramtec CN has been a key player in China's market with top-notch products and OEM solutions, it was not until 2024 that we ventured onto the global scene.
Our solid foundation, built on extensive field experience, allowed us to produce OEM hydraulic breakers for leading domestic brands, and now, we are thrilled to introduce Ramtec branded products internationally.
Our commitment to quality and innovation is poised to elevate our global presence as we continue to innovate and establish enduring partnerships worldwide.