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. Standing at the forefront of hydraulic breaker manufacturing, Ramtec CN. seamlessly integrates cutting-edge production techniques, comprehensive sales strategies, and unparalleled customer service. Our technologically advanced production facility spans over 6,000 square meters, complemented by a sleek and modern office space of 2,000 square meters, and is powered by a team of over 70 industry experts. These experts include seasoned engineers specializing in hydraulic product research and development, veteran mechanical technicians, equipment troubleshooting specialists, and highly skilled assemblers.
Boasting an extraordinary annual design and production capacity of 5,000 units, Ramtec CN. is trailblazing the industry with its premium breaker products and Skid Steer Loaders. Our prestigious Ramtec breaker series features the high-performance Gas Type-RB series, the efficient low Gas Type-RD series, and the uniquely innovative fully hydraulic hammer RQ series. Our remarkable Rmatec Skid Steer Loader lineup, available in Rating Weights of 850kg and 1200kg, is upheld by a robust quality monitoring system, rigorous procurement monitoring, and meticulous assembly process control. We are actively seeking global partnerships to embark on this extraordinary journey together.
Passionate about elevating high-end brands through scientific management, precision manufacturing, and pioneering concepts, Ramtec CN. consistently delivers superior quality excavators, loaders, and breakers to the global construction machinery market. Our products are proudly certified with the ISO9001 quality management system and the esteemed EU CE certification.
Deeply rooted in the world of construction machinery, Ramtec CN. has achieved significant milestones, including over 10 invention patents and more than 24 utility models. Honored with prestigious 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, our reputation is a testament to our innovation and excellence.
Craftsmanship is the beacon guiding us back to our original intentions, and these intentions illuminate the path to the future. Ramtec CN. warmly invites collaboration and partnership with global friends to create a prosperous and mutually rewarding future together.

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 : Initially, Ramtec CN. began as an agent for Ramtec Finland in Northern China, emerging in 2010 as a prominent entity. As part of our legacy
as one of the agents for Ramtec Finland, we proudly launched Ramtec CN. in China, enthusiastically promoting the Robi brand products.
By 2013, Ramtec CN. established its own state-of-the-art manufacturing facility and embarked on a journey of innovation, researching and
producing top-tier hydraulic breakers and attachments, proudly launching the distinguished Ramtec brand series. While we once shared collaboration,
today, the offerings from both companies are distinctly different, each presenting unique innovations and advanced solutions.
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 : At Ramtec CN., all core spare parts are meticulously produced in-house, eliminating reliance on outsourcing. This commitment
ensures that we adhere to the highest standards in material selection and heat-treatment management. As a result, we confidently assure our
customers of the product's reliability throughout the 18-month warranty period (excluding human-induced damage), offering steadfast assurances.
Question C : How can we ensure that the product is compatible with the carrier?
Answer C : With our extensive experience in technical support and field operations, we are equipped with comprehensive excavator data,
ensuring precise compatibility based on the brand and series information provided by our clients, thus effectively minimizing fitment issues.
Our communication costs are meticulously designed to be highly competitive, guaranteeing seamless and smooth interactions for our esteemed clients. Additionally, we specialize in creating precision measurements for carrier connections, expertly tailored to the unique specifications given by our valued customers.
Question D: Why haven't we come across Ramtec CN before?
Answer D: From its inception, Ramtec CN has strategically focused its expertise on the flourishing local Chinese market. We have consistently refined our business operations and enhanced our service offerings. This steadfast dedication over the years has enabled us to gather an extensive wealth of practical experience.
This vast field experience empowers us to manufacture products of unmatched quality. We proudly supply OEM hydraulic breakers for leading domestic excavator brands, underscoring our unwavering commitment to excellence and dependability.
Looking forward to 2024, we are exhilarated to embark on an exciting expansion journey. We will be welcoming orders for Ramtec-branded products and offering distinguished OEM services to international markets.