
Low Gas Type - Discover the unrivaled excellence and stability of the Ramtec RD series hydraulic breakers, designed to elevate your construction projects to new heights.
The product's structure design has been rigorously tested and proven in the market over time, ensuring reliability and performance.
Meticulously refined by the Ramtec technical team, the latest RD series boasts exceptional resistance to high temperatures, rapid operational frequency, robust impact force, and superior reaction force control.
This product has long been cherished by countless construction machinery enthusiasts and professionals alike.
Featuring a simplified design, the parts are easy to replace, making maintenance and part replacement a breeze for operators.
The innovative lightweight fuselage structure significantly reduces the load on excavators, thus extending the hydraulic excavator's service life while minimizing vibration and wear on the carrier.
Thanks to its superior high temperature resistance, this is the ideal choice for projects located in regions with elevated construction temperatures.
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 Trusted Professional Manufacturer
Ramtec CN. Machinery Co., Ltd. Ramtec CN. Machinery Co., Ltd. stands as a prominent figure in the hydraulic breaker industry, masterfully combining production, sales, and service. Our expansive facilities include a modernized 6,000 square meters production workshop and an efficient 2,000 square meters office space. Our dedicated team, comprising over 70 passionate professionals, features seasoned engineers with extensive experience in hydraulic product innovation, alongside top-tier mechanical technicians, adept equipment debugging specialists, and skilled assemblers.
Boasting an impressive annual design and production capacity of 5,000 units, Ramtec is at the forefront of the high-end breaker market. Our cutting-edge offerings, including the Ramtec breaker series-high Gas Type-RB series, low Gas Type-RD series, and the breakthrough fully hydraulic hammer RQ series-exceed expectations. Alongside these, we present the Rmatec Skid Steer Loader available in Rating Weights of 850kg and 1200kg. With an unwavering commitment to excellence, we uphold a comprehensive production quality oversight system, a meticulous procurement monitoring framework, and a stringent assembly process control. In our pursuit of excellence, we actively seek global partnerships for mutual growth and success.
Ramtec is unwaveringly dedicated to cultivating premium brands through scientific management strategies, precise manufacturing techniques, innovative design philosophies, and rigorous production oversight. We consistently deliver superior excavators, loaders, and breakers that propel the global construction machinery market forward. Our products proudly carry the prestigious ISO9001 quality management system certification and the distinguished EU CE certification, underscoring our commitment to quality and safety.
Rooted deeply within the heart of the construction machinery industry, Ramtec has proudly secured over 10 invention patents and more than 24 utility model recognitions. Our innovation and excellence have earned us prestigious accolades, including 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 craftsmanship reflects our core mission, guiding us toward a bright future. We are eager to forge lasting partnerships with allies across the globe, striving for shared success and a prosperous tomorrow.
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 esteemed Ramtec CN originated as an agent for Ramtec Finland in Northern China. In 2010, to elevate the Robi brand in China,
we established Ramtec CN, effectively promoting and distributing Ramtec Finland's Robi products with unmatched dedication.
In the landmark year of 2013, Ramtec CN proudly launched its own manufacturing facility, embarking on innovative research and
production of hydraulic breakers and attachments. With our unique Ramtec brand series products, we moved from partnership to
independence, with distinct product lines that set us apart from our Finnish counterparts.
Products of Ramtec Finland company - Renowned Robi Brand
Products of Ramtec China company - Distinctive Ramtec Brand
Question B : Why is the warranty period 18 months?
Answer B : At Ramtec CN, we proudly manufacture all core spare parts in-house, ensuring unparalleled quality and reliability.
By meticulously selecting materials and controlling heat treatments, we guarantee our customers' peace of mind within the
18-month warranty period (barring human-induced damage), backed with steadfast assurance.
Question C : How can we ensure that the product is compatible with the carrier?
Answer C : With extensive technical expertise and hands-on site experience, we boast a comprehensive database of excavator
specifications. This enables us to match products accurately to the customer's provided brand and series, minimizing
communication overhead. We are adept at crafting precise carrier connections tailored to customer specifications.
Question D : Why have we not heard of Ramtec CN before?
Answer D : Since inception, Ramtec CN has excelled in local Chinese markets, amassing vast field experience to produce
premium-quality products. We supply OEM hydraulic breakers for prominent domestic excavator brands and, from 2024, have
expanded to receive global orders for both Ramtec and OEM products.