
Low Gas Type - The Ramtec RD series stands out as an exceptional and steadfast range of hydraulic breakers, renowned for their reliability and superior performance.
The product's structural design has been extensively validated by the market over a long period, proving its durability and efficiency.
Meticulously crafted by the expert Ramtec technical team, the newest RD series has emerged with remarkable enhancements, boasting outstanding high-temperature resistance, rapid operational frequency, robust impact force, and precise reaction force control.
It has garnered enduring admiration from a wide array of construction machinery enthusiasts and professionals.
Featuring a straightforward design, the components are not only simple to replace but also facilitate easier maintenance for operators, ensuring seamless part replacement.
The lightweight design of the fuselage significantly minimizes the strain on the excavator, thereby extending the hydraulic excavator's lifespan while also reducing vibration and wear on the carrier.
Thanks to its superior high-temperature resistance, it serves as an ideal solution for projects 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. - Professional Manufacturer of Excellence
Ramtec CN. Machinery Co., Ltd. Positioned as a premier hydraulic breaker manufacturer, Ramtec CN. Machinery Co., Ltd. seamlessly integrates production, sales, and service to deliver exceptional quality. With a sprawling 6,000 square meter state-of-the-art production workshop, an expansive 2,000 square meter office space, and a dynamic team of over 70 dedicated professionals, we stand at the forefront of innovation. Our team comprises seasoned engineers with extensive experience in hydraulic product R&D, adept senior mechanical technicians, skilled equipment debugging experts, and proficient assemblers all committed to excellence.
Boasting an impressive annual design and production capacity of 5,000 units, Ramtec presently channels its focus towards premium breaker products and Skid Steer Loaders. Showcasing the Ramtec breaker series-comprising the high Gas Type-RB series, low Gas Type-RD series, and the innovative fully hydraulic hammer RQ series-and the robust Rmatec Skid Steer Loader (with Rating Weights of 850kg and 1200kg), we ensure unmatched quality through an exhaustive production and procurement monitoring system, coupled with stringent assembly process controls. We are actively seeking discerning global partners for collaborative recruitment.
Driven by a steadfast commitment to developing high-end brands, Ramtec harnesses scientific management methodologies, superior manufacturing techniques, and pioneering concepts to provide premium excavators, loaders, and breakers for the global construction machinery sector. Our products proudly bear the ISO9001 quality management system certification and the prestigious EU CE certification, underscoring our unwavering dedication to quality.
Deeply entrenched in the construction machinery realm, Ramtec boasts over 10 invention patents and 24+ utility models. Our innovative prowess has been recognized through accolades such as Shandong High-tech Enterprise, Shandong Specialized and Innovative Enterprise, Shandong Science and Technology-oriented SME, and Yantai Innovative SME.
Guided by the principles of craftsmanship and innovation, Ramtec envisions a prosperous future hand in hand with global partners. Together, we strive to craft a landscape of mutual success and enduring collaboration.
Certifications
FAQ :
Question A : There is also a Ramtec Robi in Finland, what is the relationship between Ramtec CN and the one Finland ?
Answer A : The predecessor of the Ramtec CN was the agent of the Ramtec Finland in the Northern region of China. In 2010, as one of the agents
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 18 months ?
Answer B : Because Ramtec CN`s core spare parts are all produced by our own company without outsourcing procurement, we have strong
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 can we ensure that the product is compatible with the carrier ?
Answer C : Our long-term experience in technical support and on-site working, allows us to have a large amount of all kinds Excavator data, which
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 we never heard of Ramtec CN before ?
Answer D : Since the establishment of Ramtec CN, based on the business and services in the local China, long-term practice has accumulated rich
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.