
Low Gas Type - The Ramtec RD series shines as a masterpiece of engineering in hydraulic breakers, celebrated for its remarkable stability and unparalleled reliability.
The brilliant and innovative design of this product's structure has withstood the test of time, consistently demonstrating its value and long-lasting durability in the competitive market.
Painstakingly refined by the expert artisans at Ramtec, the latest RD series boasts unrivaled high-temperature resistance, rapid frequency, imposing impact force, and exceptional control over reaction force, elevating industry standards to new heights.
Cherished by construction machinery aficionados, this product has become a perennial favorite, consistently delivering unmatched performance and reliability.
Featuring components that are simple and swift to replace, this design ensures effortless maintenance and ease of use for operators, significantly enhancing operational efficiency.
The groundbreaking lightweight fuselage structure significantly alleviates the burden on excavators, extending the hydraulic excavator's lifespan while reducing vibrations and wear on the carrier to a minimum.
With its extraordinary high-temperature resistance, this product stands as the ultimate choice for projects in regions where construction 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. Ramtec CN. Machinery Co., Ltd. stands as a beacon of innovation and excellence in the hydraulic breaker industry. Our commitment to engineering brilliance is manifested through a seamless blend of production expertise, strategic sales prowess, and unmatched service quality. Encompassing a vast 6,000-square-meter production workshop and a sophisticated 2,000-square-meter office space, our team of over 70 dedicated professionals, including experienced engineers in hydraulic innovation, adept mechanical technicians, expert equipment debuggers, and skilled assemblers, are driven to deliver exceptional quality in every product we create.
Commanding an impressive annual design and production capability of 5,000 units, Ramtec is a leader in providing cutting-edge breaker solutions and Skid Steer Loaders. Our distinguished Ramtec breaker series features the advanced high Gas Type-RB series, the efficient low Gas Type-RD series, and the pioneering fully hydraulic hammer RQ series. Enhancing our product range is the robust Rmatec Skid Steer Loader, available in weight ratings of 850kg and 1200kg. Adhering to rigorous production quality monitoring and procurement systems, we ensure meticulous control throughout the assembly process. As we continue to pursue excellence, we actively seek global partners to join us in expanding our innovative reach.
Ramtec is resolute in its mission to sculpt high-end brands through scientific management practices, precision manufacturing techniques, visionary manufacturing philosophies, and strict production oversight. Our steadfast dedication to quality has cemented our reputation as a trusted provider of outstanding excavators, loaders, and breakers in the global construction machinery market. Our products are proudly certified by the ISO9001 quality management system and bear the prestigious EU CE certification, a testament to our unwavering commitment to excellence.
Rooted deeply in the construction machinery sector, Ramtec's innovative spirit is showcased by over 10 invention patents and 24 utility models. We have been honored with multiple accolades, including the Shandong High-tech Enterprise, Shandong Specialized and Innovative Enterprise, Shandong Science and Technology Oriented SME, and Yantai Innovative SME awards, affirming our leadership in innovation and technology.
Our dedication to craftsmanship is the foundation of our vision and our commitment to pioneering leadership in the industry. We warmly invite partners from across the globe to join us in forging a path toward a prosperous and shared future, driven by collaboration 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 a key agent for Ramtec Finland in Northern China. By 2010, leveraging the strong collaboration as an agent
for Ramtec Finland across 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 state-of-the-art manufacturing facility, focusing on cutting-edge research and the production of top-tier hydraulic breakers and
attachments, thus creating and establishing 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 external procurement,
we exercise meticulous control over material selection and heat-treatment processes. This dedication ensures our customers enjoy peace of mind and assured product reliability throughout the
warranty period (barring human-induced damage), upheld 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 dedication 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.