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 pioneering leader in the hydraulic breaker industry, Ramtec CN. deftly integrates state-of-the-art production, strategic marketing, and exceptional customer service. Our advanced production facility stretches over an impressive 6,000 square meters, enhanced by a modern 2,000-square-meter office complex, and is driven by a dedicated team of over 70 highly experienced industry professionals. Our expert workforce includes veteran engineers specializing in hydraulic product research and development, skilled mechanical technicians, proficient equipment troubleshooting specialists, and highly trained assemblers.
With an outstanding annual capacity to design and produce 5,000 units, Ramtec CN. stands at the cutting edge of delivering excellence in breaker products and Skid Steer Loaders. Our distinguished Ramtec breaker series boasts the ultra-efficient Gas Type-RB series, the elegantly streamlined low Gas Type-RD series, and the groundbreaking fully hydraulic hammer RQ series. The Rmatec Skid Steer Loader lineup, available in Rating Weights of 850kg and 1200kg, is backed by a rigorous quality assurance framework, strict procurement protocols, and meticulous assembly process management. We warmly welcome global partners to embark on this exceptional journey with us.
With a steadfast commitment to elevating premium brands through scientific management, precise manufacturing, and innovative concepts, Ramtec CN. consistently delivers world-class excavators, loaders, and breakers to the global construction machinery market. Our products proudly carry the ISO9001 quality management certification and the esteemed EU CE certification.
Firmly established in the construction machinery sector, Ramtec CN. holds an impressive portfolio of over 10 invention patents and more than 24 utility model patents. Honored with prestigious accolades such as Shandong High-tech Enterprise, Shandong Specialized and Innovative Enterprise, Shandong Science and Technology-focused Small and Medium-sized Enterprise, and Yantai Innovative Small and Medium-sized Enterprise, our distinguished reputation is indisputable.
Craftsmanship is the bedrock of our founding aspirations, illuminating our path to future accomplishments. Ramtec CN. passionately seeks collaboration and partnership with international associates 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 : Initially an agent for Ramtec Finland in Northern China, Ramtec CN. was established in 2010. Deeply rooted in our heritage as a key agent
for Ramtec Finland, we founded Ramtec CN in China, leading the promotion of Robi brand products. By 2013, Ramtec CN.
unveiled its own production facility and embarked on crafting premium hydraulic breakers and
attachments, successfully launching the Ramtec brand series. While once collaborative partners, today's offerings from both entities
are uniquely distinct, each delivering innovative advancements.
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 : Every core component at Ramtec CN is meticulously crafted in-house, devoid of external dependencies, allowing us to uphold unrivalled
standards in material selection and heat-treatment oversight. This empowers us to certify the product's unwavering reliability
throughout the warranty period (excluding human-induced damage), providing robust assurances to our customers.
Question C : How can we ensure that the product is compatible with the carrier?
Answer C : Our extensive expertise in technical support and field operations equips us with comprehensive Excavator data, ensuring precise
compatibility based on brand and series specifics provided by our clients, thereby minimizing fitment challenges effectively.
Our communication costs are expertly crafted to be incredibly competitive, ensuring seamless and effortless interactions for our valued clients. Furthermore, we specialize in creating precision measurements for carrier connections, meticulously tailored to the unique specifications provided by our esteemed customers. This combination ensures superior service quality and customer satisfaction.
Question D: Why is Ramtec CN not widely known outside its home country?
Answer D: Since its inception, Ramtec CN has strategically refined its focus on the thriving local Chinese market, consistently optimizing our operations and elevating service offerings. This unwavering dedication has enabled us to amass substantial hands-on experience over the years, reinforcing our market position and expertise.
This extensive field experience empowers us to engineer products of unparalleled quality. We proudly supply OEM hydraulic breakers to leading domestic excavator brands, underscoring our steadfast commitment to excellence and reliability.
Looking forward to 2024, we are thrilled to embark on an exhilarating expansion journey, inviting global orders for Ramtec-branded products and providing exceptional OEM services to the international market. Join us as we set new standards of quality and innovation worldwide.