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 as a towering force in the world of hydraulic breakers, where innovation meets expertise and craftsmanship. Our expansive 6,000-square-meter facility, alongside a sophisticated 2,000-square-meter office, is the epicenter of our cutting-edge operations. A thriving team of over 70 skilled professionals, from seasoned engineers specializing in hydraulic R&D to meticulous assemblers, drive our relentless pursuit of excellence.
Boasting an impressive capability to design and produce up to 5,000 units annually, we demonstrate our unwavering commitment to pioneering innovation and superior quality. We specialize in premium-grade breakers and Skid Steer Loaders, featuring the esteemed Ramtec breaker lineup, including the high-performance Gas Type-RB series, the efficient low Gas Type-RD series, and the advanced fully hydraulic hammer RQ series. Our robust Rmatec Skid Steer Loaders, with load ratings of 850kg and 1200kg, are a testament to our engineering prowess. Every product is crafted through a stringent quality assurance process across production, procurement, and assembly, and we are actively seeking global collaborations to expand our innovative legacy worldwide.
Ramtec is dedicated to crafting high-end brands by embodying scientific management, precision manufacturing, and pioneering production ideologies. Our rigorous production management ensures the continuous delivery of superior excavators, loaders, and breakers, celebrated across the globe. With ISO9001 quality management system certification and the EU CE certification, our products exemplify our steadfast commitment to quality without compromise.
Deeply rooted in the construction machinery industry, Ramtec boasts over 10 invention patents and more than 24 utility models. We are honored with prestigious recognitions 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.
Driven by an ethos of craftsmanship, Ramtec remains true to its founding principles, eager to forge meaningful collaborations globally and stride towards 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 : Ramtec CN originated as the representative for Ramtec Finland in Northern China, established in 2010 as a dedicated agent.
As one of the exclusive agents for Ramtec Finland, Ramtec CN was launched to champion the Robi brand across China, gaining substantial momentum.
In 2013, Ramtec CN proudly inaugurated its manufacturing facility, expanding into research and production of hydraulic breakers and
attachments under the respected Ramtec brand. Although our partnership with Ramtec Finland laid the groundwork, today, both companies
offer distinctly unique products, a reflection of their independent and evolved trajectories.
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 unwavering confidence in the exceptional quality of Ramtec CN's core spare parts, meticulously crafted in-house, is bolstered by our
commitment to superior material selection and state-of-the-art heat-treatment processes. This allows us to confidently offer an
18-month warranty period, providing peace of mind to our customers, ensuring reliability and performance barring any human-induced damage.
Question C : How can we ensure that the product is compatible with the carrier?
Answer C : Leveraging our extensive technical support and field operations expertise, we at Ramtec Engineering Machinery Co., Ltd. have curated an expansive and rich repository of Excavator data.
This invaluable wealth of information empowers us to meticulously align product dimensions with the specific brand and series of carrier provided by our clients, ensuring perfect compatibility and performance.
Lowering communication costs is one of our strengths. Moreover, we specialize in crafting precise, custom-manufactured connections that are uniquely tailored to meet the specific carrier requirements of our valued customers, ensuring seamless integration and optimal performance at every turn.
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 within China, emphasizing outstanding business practices and distinguished services. Our unwavering dedication over the years has enabled us to build an abundance of
field experience, empowering us to manufacture products of the highest caliber. We are proud to supply OEM hydraulic breakers to esteemed domestic excavator brands,
and from 2024 onwards, we are broadening our scope by managing orders for Ramtec brand products and extending our OEM services to cater to the international market, enhancing our global presence.