
Efficient Low Gas Type - The RD series by Ramtec stands out as a remarkably reliable and stable hydraulic breaker, ensuring outstanding performance.
Its robust structural design has endured the scrutiny of the market over extended periods, proving its exceptional durability and reliability.
Crafted by the expert Ramtec technical team, the latest RD series boasts superb high-temperature resistance, rapid frequency, powerful impact force, and superior reaction force management.
This product has been a long-time favorite among construction machinery users, appreciated for its unrivaled performance.
Featuring a design with simple and easily replaceable parts, it allows operators to perform maintenance and replacement with ease and efficiency.
The innovative lightweight fuselage design significantly reduces the excavator's load, prolonging the hydraulic excavator's lifespan while minimizing vibration and wear on the carrier.
Thanks to its remarkable high-temperature resistance, it is the perfect choice for construction projects in hot climates, ensuring reliability and 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. - Your Premier Professional Manufacturer
Ramtec CN. Machinery Co., Ltd. As a formidable force in hydraulic breaker manufacturing, Ramtec CN. Machinery Co., Ltd. seamlessly integrates production, sales, and service. Our state-of-the-art facility spans 6,000 square meters of standardized production space coupled with 2,000 square meters of sophisticated office space, all driven by a dedicated team of over 70 experts. Our team is comprised of seasoned engineers with years of expertise in hydraulic product research and development, alongside senior mechanical technicians, skilled equipment debugging specialists, and adept assemblers.
With an impressive annual design and production capacity of 5,000 units, Ramtec CN. is steadfastly dedicated to crafting high-end breaker products and Skid Steer Loaders. Our distinguished Ramtec breaker series includes the high Gas Type-RB series, the low Gas Type-RD series, and the revolutionary fully hydraulic hammer RQ series. Complementing these is the versatile Rmatec Skid Steer Loader, available in Rating Weights of 850kg and 1200kg. Ensuring unparalleled quality, we employ a comprehensive production quality monitoring system, a stringent procurement monitoring protocol, and rigorous assembly process controls. As we continue to expand, we are actively seeking esteemed global partners to join us in this venture.
Ramtec is unwavering in its commitment to pioneering high-end brands, leveraging scientific management methodologies, precision-driven manufacturing processes, and groundbreaking manufacturing philosophies. Our strict production management systems ensure that we consistently deliver superior quality excavators, loaders, and breakers to the global construction machinery industry. Our products have proudly earned the ISO9001 quality management system certification and the esteemed EU CE certification.
Deeply entrenched in the construction machinery sector, Ramtec has achieved remarkable accolades, securing over 10 invention patents and more than 24 utility models. We have been honored with prestigious titles such as 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, our dedication to craftsmanship inspires our original intentions, guiding us toward a promising future. We warmly invite partners from all corners of the globe to join us in forging a collaborative, prosperous, and mutually rewarding future.
Certifications
FAQ :
Question A : What is the connection between Ramtec CN and Ramtec Robi in Finland?
Answer A : The origins of Ramtec CN trace back to being a representative for Ramtec Finland in Northern China.
In 2010, as one of Finland's esteemed agents, we founded Ramtec CN to enhance the Robi brand presence in China.
By 2013, Ramtec CN took a bold step forward by building its own manufacturing plant, innovating in the field
of hydraulic breakers and attachments. We also established our exclusive Ramtec brand series. While both
companies once collaborated, our current product lines are distinct, tailored to diverse markets.
Products of Ramtec Finland company - Robi Brand
Products of Ramtec China company - Ramtec Brand
Question B : What makes the warranty period set at 18 months?
Answer B : Our confidence stems from producing all core components in-house at Ramtec CN, eliminating the need for outsourcing.
This ensures meticulous selection of materials and precise heat-treatment processes, offering customers
assured reliability and peace of mind during the warranty period, barring any human-induced damages.
Question C : How do we guarantee product compatibility with carriers?
Answer C : Leveraging our extensive technical expertise and fieldwork, we maintain a comprehensive database
of excavator specifications. This allows us to match carrier sizes with precision, based on the customer's
brand and series information, thus minimizing communication discrepancies. We also offer custom fitment services.
Question D : Why is Ramtec CN not widely recognized before?
Answer D : Since inception, Ramtec CN has honed its expertise within China's local market, amassing substantial
field knowledge to engineer top-tier products. We have been supplying OEM hydraulic breakers to prominent
domestic excavator brands and shifted towards fulfilling Ramtec brand orders and OEM demands for global markets since 2024.