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. - Your Trusted Professional Manufacturer
Ramtec CN. Machinery Co., Ltd. As a leader in hydraulic breaker manufacturing, Ramtec CN. seamlessly blends production, sales, and remarkable service. Our cutting-edge facility spans over 6,000 square meters, with a 2,000 square meter modern office and a dedicated team of over 70 experts. Our team boasts seasoned engineers in hydraulic product R&D, adept mechanical technicians, expert equipment troubleshooters, and skilled assemblers.
Demonstrating an astounding annual production capacity of 5,000 units, Ramtec CN. is at the forefront of high-end breaker products and Skid Steer Loaders. Our flagship series encompasses the high-performance Gas Type-RB series, the efficient low Gas Type-RD series, and the innovative fully hydraulic hammer RQ series. Furthermore, our Rmatec Skid Steer Loader range, in Rating Weights of 850kg and 1200kg, is supported by a rigorous quality monitoring system, strict procurement standards, and meticulous assembly processes. We are actively seeking global partners to join us on this exceptional journey.
Ramtec CN. is committed to advancing high-end brands with scientific management, precision manufacturing, and pioneering concepts, consistently delivering top-tier excavators, loaders, and breakers to the global construction machinery market. Our products proudly meet ISO9001 quality management standards and the esteemed EU CE certification.
Firmly rooted in the construction machinery sector, Ramtec CN. has secured over 10 invention patents and more than 24 utility models. Honored with prestigious accolades 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, our esteemed reputation is well-established.
Our commitment to craftsmanship guides our original intentions, illuminating our path to the future. Ramtec CN. warmly invites collaboration and partnership with global friends to build a prosperous and mutually rewarding 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 : Emerging as an agent for Ramtec Finland in Northern China, Ramtec CN. came into existence in 2010. Building on our legacy as one of the agents
for Ramtec Finland, we launched Ramtec CN in China to champion the Robi brand. By 2013, Ramtec CN.
established its own manufacturing facility, launching into research and production of top-tier hydraulic breakers and
attachments, proudly unveiling the Ramtec brand series. While once collaborative partners, today, the products from both companies
boast distinct differences, each offering unique 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 : With all core spare parts at Ramtec CN produced in-house, free from outsourcing, we ensure the highest
standards in material selection and heat-treatment management. This enables us to assure our customers of the product's reliability
throughout the warranty period (excluding human-induced damage), providing robust assurances.
Question C : How can we ensure that the product is compatible with the carrier?
Answer C : Our vast experience in technical support and field operations equips us with comprehensive Excavator data, ensuring precise
compatibility according to the brand and series details provided by our clients, thereby effectively minimizing fitment issues.
Our communication costs are expertly designed to be exceptionally competitive, ensuring effortless and uninterrupted interactions for our valued clients. Additionally, we specialize in crafting precision measurements for carrier connections, meticulously aligned with the unique specifications provided by our esteemed customers.
Question D: Why haven't we encountered Ramtec CN until now?
Answer D: Since its founding, Ramtec CN has strategically honed its expertise on the flourishing local Chinese market, continuously enhancing our operations and elevating our service offerings. This steadfast dedication over the years has enabled us to accumulate a vast reservoir of practical experience.
This substantial field experience empowers us to produce products of exceptional quality. We pride ourselves in supplying OEM hydraulic breakers for leading domestic excavator brands, demonstrating our unwavering commitment to excellence and reliability.
Looking forward to 2024, we are eager to embark on an exhilarating expansion voyage by inviting orders for Ramtec-branded products and providing distinguished OEM services to international markets.