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 leading professional in hydraulic breaker manufacturing, Ramtec CN. seamlessly integrates production, sales, and exceptional service. Boasting a state-of-the-art production facility sprawling over 6,000 square meters, complemented by a modern office space of 2,000 square meters, and a dedicated team of over 70 industry experts. Our team is composed of seasoned engineers specializing in hydraulic product R&D, veteran mechanical technicians, equipment troubleshooting specialists, and skilled assemblers.
With an impressive annual design and production capacity of 5,000 units, Ramtec CN. is pioneering high-end breaker products and Skid Steer Loaders. Our flagship Ramtec breaker series includes the high-performance Gas Type-RB series, the efficient low Gas Type-RD series, and the innovative fully hydraulic hammer RQ series. Additionally, our Rmatec Skid Steer Loader lineup, available in Rating Weights of 850kg and 1200kg, is backed by a robust quality monitoring system, stringent procurement monitoring, and meticulous assembly process control. We are actively seeking global partners to join us on this remarkable journey.
Dedicated to elevating high-end brands through scientific management, precise manufacturing, and pioneering concepts, Ramtec CN. consistently delivers premium excavators, loaders, and breakers to the global construction machinery market. Our products proudly carry the ISO9001 quality management system certification and the esteemed EU CE certification.
Deeply entrenched in the construction machinery realm, Ramtec CN. has achieved 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 speaks for itself.
Craftsmanship paves the path to our original intentions, and our original intentions light the way to the future. Ramtec CN. invites collaboration and partnership with global friends to forge 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 : 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 crafted to be highly competitive, ensuring seamless and fluid interactions for our valued clients. Moreover, we excel in creating precision measurements for carrier connections that are perfectly tailored to the distinct specifications provided by our esteemed customers.
Question D: Why haven't we heard of Ramtec CN before?
Answer D: Since its inception, Ramtec CN has strategically focused its expertise on the thriving local Chinese market, continually refining our business operations and enhancing our service offerings. This unwavering dedication over the years has empowered us to amass an extensive wealth of practical experience.
This extensive field experience empowers us to manufacture products of unparalleled quality. We take pride in supplying OEM hydraulic breakers for prominent domestic excavator brands, showcasing our commitment to excellence and reliability.
Looking ahead to 2024, we are thrilled to embark on an exciting expansion journey by welcoming orders for Ramtec-branded products and offering distinguished OEM services to international markets.