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. At the forefront of hydraulic breaker manufacturing, Ramtec CN. stands as a beacon of excellence, seamlessly integrating cutting-edge production, dynamic sales strategies, and unparalleled service excellence. Our impressive 6,000-square-meter production facility, alongside a 2,000-square-meter contemporary office space, is staffed by a team of over 70 industry veterans, including innovative engineers in hydraulic R&D, seasoned mechanical technicians, proficient troubleshooting specialists, and masterful assemblers, all dedicated to driving industry advancements.
With a commanding annual capacity to design and produce 5,000 units, Ramtec CN. leads the charge in crafting high-end breaker products and Skid Steer Loaders. Our illustrious Ramtec breaker series is headlined by the powerful Gas Type-RB series, the exceptionally efficient low Gas Type-RD series, and the trailblazing fully hydraulic hammer RQ series. Complemented by our Rmatec Skid Steer Loader offerings, rated at 850kg and 1200kg, every product is supported by a stringent quality monitoring system and meticulous assembly control processes. We invite global partners to embark on this extraordinary journey of innovation and success.
Ramtec CN. is dedicated to elevating high-end brands through scientific management, precision manufacturing, and forward-thinking concepts. We deliver premium excavators, loaders, and breakers to the global construction machinery market, proudly certified with ISO9001 quality management systems and the prestigious EU CE certification, underscoring our commitment to quality and innovation.
Deep within the construction machinery landscape, Ramtec CN. has secured over 10 invention patents and more than 24 utility models. Our accolades include esteemed titles 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, marking our reputation for innovation and excellence.
Our dedication to craftsmanship fuels our original intentions, and these intentions illuminate our path to the future. Ramtec CN. extends a warm invitation to forge collaborative partnerships with global partners, co-creating a prosperous and mutually rewarding future filled with innovation and shared success.

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 : Originating as an agent for Ramtec Finland in Northern China, Ramtec CN. emerged in 2010. As part of our legacy as one of the agents
for Ramtec Finland, we launched Ramtec CN in China, championing the promotion of the Robi brand products. By 2013, Ramtec CN.
established its own manufacturing facility and embarked on the journey of researching and producing top-tier hydraulic breakers and
attachments, proudly launching the Ramtec brand series. While once collaborative partners, today, the products from both companies
are distinctly different, 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 : Since all core spare parts at Ramtec CN are produced in-house without relying on outsourcing, we guarantee 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), offering robust assurances.
Question C : How can we ensure that the product is compatible with the carrier?
Answer C : Our extensive experience in technical support and field operations arms us with comprehensive Excavator data, ensuring precise
compatibility according to the brand and series information provided by our clients, thereby minimizing fitment issues effectively.
Our communication costs are meticulously structured to be exceedingly competitive, ensuring flawless and effortless interactions for our esteemed clients. Moreover, we are unparalleled in crafting precision measurements for carrier connections that align perfectly with the unique specifications of our valued customers.
Question D: Why haven't we heard of Ramtec CN before?
Answer D: Since its inception, Ramtec CN has strategically concentrated its expertise on the flourishing Chinese market, continuously refining our business operations and enhancing service offerings. This steadfast dedication over the years has equipped us with an extensive wealth of practical experience.
This rich field experience empowers us to produce products of unmatched quality. We are proud to supply OEM hydraulic breakers for leading domestic excavator brands, demonstrating our unwavering commitment to excellence and reliability.
Looking ahead to 2024, we are ecstatic to embark on an exhilarating expansion journey, inviting orders for Ramtec-branded products and offering prestigious OEM services to international markets.