R B series Metric |
Description |
unit |
RB1 |
RB2 |
RB3 |
RB5 |
RB6 |
RB8 |
RB10 |
RB15 |
RB18 |
RB20 |
RB22 |
RB22A |
RB26 |
RB28 |
RB30 |
RB35 |
RB35F |
RB40 |
RB40P |
RB45 |
Operation weight |
kg |
78 |
97 |
158 |
180 |
275 |
341 |
510 |
779 |
1366 |
1658 |
1809 |
1819 |
1989 |
2144 |
2577 |
2751 |
3295 |
4136 |
4350 |
4225 |
Required oil flow |
l/min |
25-50 |
25-50 |
25-50 |
30-60 |
40-70 |
50-90 |
60-100 |
80-110 |
150-170 |
150-170 |
160-180 |
160-180 |
130-150 |
150-210 |
180-220 |
180-220 |
190-230 |
200-240 |
200-240 |
200-240 |
Operation pressure |
kg/cm2 |
90-120 |
90-120 |
90-120 |
100-130 |
110-140 |
120-150 |
130-160 |
150-170 |
160-180 |
160-180 |
160-180 |
160-180 |
190-210 |
190-210 |
200-220 |
210-240 |
210-240 |
220-270 |
220-270 |
220-270 |
Impact rate |
bpm |
800-1400 |
700-1200 |
450-950 |
450-900 |
460-860 |
400-800 |
400-800 |
380-700 |
380-750 |
350-750 |
280-450 |
280-450 |
400-600 |
300-450 |
200-350 |
180-300 |
180-300 |
150-210 |
150-210 |
150-210 |
Tool diameter |
mm |
40 |
45 |
53 |
60 |
68 |
75 |
85 |
100 |
125 |
135 |
140 |
140 |
142 |
150 |
155 |
165 |
165 |
175 |
175 |
180 |
Impact power |
J |
240 |
280 |
350 |
400 |
600 |
800 |
1200 |
2100 |
2600 |
3500 |
3700 |
3700 |
4100 |
4900 |
5700 |
6800 |
9000 |
11000 |
12000 |
13000 |
Carrier weight |
ton |
0.8-2.5 |
1.2-3 |
3.1-4.5 |
5.1-5.8 |
6.0-7.5 |
7.0-8.5 |
8.5-13 |
12.5-15.5 |
16-19 |
18-20 |
20-22 |
20-22 |
22-24 |
25-30 |
30-33 |
30-36 |
35-40 |
35-40 |
36-42 |
38-42 |
|
RB series Imperial |
Description |
unit |
RB1 |
RB2 |
RB3 |
RB5 |
RB6 |
RB8 |
RB10 |
RB15 |
RB18 |
RB20 |
RB22 |
RB22A |
RB26 |
RB28 |
RB30 |
RB35 |
RB35F |
RB40 |
RB40P |
RB45 |
Operation weight |
lb |
172 |
214 |
348 |
397 |
606 |
752 |
1124 |
1717 |
3012 |
3655 |
3988 |
4010 |
4385 |
4727 |
5681 |
6065 |
7264 |
9118 |
9590 |
9315 |
Required oil flow |
gal/min |
6.6-13 |
6.6-13 |
6.6-13 |
8-16 |
11-18 |
13-24 |
16-26 |
21-29 |
40-45 |
40-45 |
42-48 |
42-48 |
34-40 |
40-55 |
48-58 |
48-58 |
50-61 |
53-63 |
53-63 |
53-63 |
Operation pressure |
psi |
1305-1740 |
1305-1740 |
1305-1740 |
1450-1886 |
1595-2030 |
1740-2176 |
1885-2320 |
2176-2466 |
2320-2610 |
2320-2610 |
2320-2610 |
2320-2610 |
2756-3046 |
2756-3046 |
2901-3191 |
3046-3481 |
3046-3481 |
3191-3916 |
3191-3916 |
3191-3916 |
Impact rate |
bpm |
800-1400 |
700-1200 |
450-950 |
450-900 |
460-860 |
400-800 |
400-800 |
380-700 |
380-750 |
350-750 |
280-450 |
280-450 |
400-600 |
300-450 |
200-350 |
180-300 |
180-300 |
150-210 |
150-210 |
150-210 |
Tool diameter |
inch |
1.57 |
1.77 |
2.09 |
2.36 |
2.68 |
2.95 |
3.35 |
3.94 |
4.92 |
5.31 |
5.51 |
5.51 |
5.59 |
5.91 |
6.1 |
6.5 |
6.5 |
6.89 |
6.89 |
7.09 |
Impact power |
J |
240 |
280 |
350 |
400 |
600 |
800 |
1200 |
2100 |
2600 |
3500 |
3700 |
3700 |
4100 |
4900 |
5700 |
6800 |
9000 |
11000 |
12000 |
13000 |
Carrier weight |
lb |
1764-5512 |
2646-6614 |
6614-8818 |
11023-13228 |
13228-15432 |
15432-19842 |
15432-28660 |
26455-33069 |
35274-41888 |
39683-44092 |
44092-48502 |
44092-48502 |
48502-52911 |
55116-66139 |
66139-72753 |
66139-79366 |
77162-88185 |
77162-88185 |
79366-92594 |
83776-92594 |
Company Profile
Ramtec CN. - A Professional Manufacturer
Ramtec CN. Machinery Co., Ltd. Ramtec CN. stands tall as a trailblazer in the hydraulic breaker industry, where production mastery intertwines with outstanding sales and unparalleled service. Anchored by our expansive, modern 6,000-square-meter production facility, complemented by a sleek 2,000-square-meter office space, we are at the forefront of innovation. Our dynamic team consists of over 70 specialists, including experienced engineers with a wealth of hydraulic product R&D expertise, seasoned mechanical technicians, skilled equipment debugging professionals, and meticulous assemblers.
Our phenomenal annual capacity of designing and producing 5,000 units is a testament to our relentless pursuit of innovation and quality. We currently focus on premium breaker products and robust Skid Steer Loaders. The esteemed Ramtec breaker series includes the advanced high Gas Type-RB series, low Gas Type-RD series, and the innovative fully hydraulic hammer RQ series. Our Rmatec Skid Steer Loaders, with rating weights of 850kg and 1200kg, are celebrated for their strength and reliability. Each product undergoes a meticulous quality assurance process throughout production, procurement, and assembly. We actively seek global partners to join us in our exciting journey of growth and excellence.
Ramtec is synonymous with crafting top-tier brands, driven by scientific management, precision manufacturing, and groundbreaking production philosophies. Our robust production management systems consistently deliver high-caliber excavators, loaders, and breakers, esteemed in the global construction machinery scene. Our dedication to quality is affirmed by the prestigious ISO9001 quality management system certification and the esteemed EU CE certification, emphasizing our commitment to excellence.
With a formidable presence in the construction machinery domain, Ramtec boasts over 10 invention patents and more than 24 utility models. Our accolades include distinguished honors 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.
Guided by a dedication to craftsmanship, Ramtec holds steadfast to its core principles, eagerly partnering with global associates from diverse industries, aiming for a prosperous, shared future.

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 roots of Ramtec CN trace back to our role as a representative for Ramtec Finland in Northern China. Established in 2010 as one of the
exclusive agents for Ramtec Finland, Ramtec CN launched with the mission of propelling the Robi brand throughout China. Building on this momentum,
Ramtec CN opened its manufacturing facility in 2013, expanding into the research and production of hydraulic breakers and
attachments under our esteemed Ramtec brand. While the foundational collaboration with Ramtec Finland was pivotal, the unique offerings
from both entities have evolved along distinct paths, showcasing their individual strengths and innovations.
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 : Our profound confidence in the premier quality of Ramtec CN's core spare parts, all crafted in-house with no dependence on external
suppliers, stems from our rigorous material selection and state-of-the-art heat-treatment processes. This assurance empowers us to provide an
18-month warranty period, granting our customers peace of mind, absent any human-induced damage.
Question C : How can we ensure that the product is compatible with the carrier?
Answer C : Our profound experience in technical support and field operations has bestowed upon us an expansive collection of Excavator data. This
rich repository of information empowers us to meticulously align product dimensions with the distinct brand and series of the carrier supplied by the
customers, thereby reducing communication costs. Furthermore, we specialize in crafting precise, custom-manufactured connections tailored to meet the specific carrier requirements of our esteemed clientele, ensuring seamless integration and optimal performance.
Question D: Why haven't we heard of Ramtec CN before?
Answer D: Since the inception of Ramtec CN, we have laid a robust foundation in China by focusing on exemplary business practices and unmatched services. Our relentless dedication over the years has enabled us to accumulate a vast wealth of
field experience, allowing us to produce top-notch products. We proudly supply OEM hydraulic breakers for esteemed domestic excavator brands,
and, beginning in 2024, we have broadened our horizons by managing orders for Ramtec brand products while also offering OEM services to cater to the international market.