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 stalwart in the realm of hydraulic breaker manufacturing, Ramtec CN. excels in unifying production, sales, and unparalleled service. Our cutting-edge production facility spans an expansive 6,000 square meters, complemented by a modern 2,000 square meter office space, housing a dedicated team of over 70 industry connoisseurs. This dynamic team boasts seasoned engineers specializing in hydraulic product R&D, adept mechanical technicians, troubleshooting specialists for equipment, and proficient assemblers, ensuring excellence at every step.
With a remarkable annual production capability of 5,000 units, Ramtec CN. leads the charge in crafting elite breaker products and Skid Steer Loaders. Our prestigious Ramtec breaker assortment features the high-performance Gas Type-RB series, the efficient low Gas Type-RD series, and the cutting-edge fully hydraulic hammer RQ series. Our Rmatec Skid Steer Loader line, offered in Rating Weights of 850kg and 1200kg, benefits from a robust quality monitoring framework, rigorous procurement oversight, and meticulous assembly process control. We eagerly invite global partners to join us on this extraordinary journey, fostering innovation and excellence.
Ramtec CN. is committed to elevating high-end brands through astute scientific management, precise manufacturing, and pioneering concepts. We consistently deliver premium-grade excavators, loaders, and breakers to the global construction machinery market. Our products are proudly endorsed by the ISO9001 quality management system certification and the prestigious EU CE certification, reflecting our unwavering dedication to quality.
Firmly rooted within the construction machinery sector, Ramtec CN. has secured over 10 invention patents and more than 24 utility models. Bestowed with distinguished accolades such as Shandong High-tech Enterprise, Shandong Specialized and Innovative Enterprise, and Yantai Innovative Small and Medium-sized Enterprise, our esteemed reputation stands as a testament to our exceptional capabilities.
Craftsmanship is the cornerstone of our purpose, guiding us to our original intentions and illuminating the path towards a bright future. Ramtec CN. warmly extends an invitation for collaboration and partnership with friends worldwide, to forge 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 : Originating as an agent for Ramtec Finland in Northern China, Ramtec CN. was established in 2010. As part of our legacy as one of the agents
for Ramtec Finland, we launched Ramtec CN in China, advocating the promotion of Robi brand products. By 2013, Ramtec CN.
established its own manufacturing facility, embarking on the journey of researching and producing top-tier hydraulic breakers and
attachments, proudly introducing the Ramtec brand series. While we once shared a collaborative relationship, today, the products from both companies
are distinctly different, each offering unique innovations that set them apart.
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 without reliance on outsourcing. This ensures the highest
standards in material selection and precise heat-treatment management. As a result, we confidently assure our customers of the product's reliability
throughout the warranty period (excluding damage induced by human actions), offering robust guarantees that inspire confidence.
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 the brand and series information provided by our clients, effectively minimizing fitment issues with precision.
Our communication costs are ingeniously designed to remain highly competitive, ensuring seamless and effortless interactions for our cherished clients. In addition, we specialize in crafting precision measurements for carrier connections that are meticulously customized to meet the unique specifications provided by our esteemed clientele.
Question D: Why haven't we heard of Ramtec CN before?
Answer D: Since its inception, Ramtec CN has strategically concentrated on mastering the flourishing local Chinese market, constantly refining our operational capabilities and elevating our service offerings. This steadfast dedication over the years has enabled us to acquire a substantial reservoir of practical expertise.
This vast field experience empowers us to produce products of exceptional quality. We take immense pride in supplying OEM hydraulic breakers for distinguished domestic excavator brands, underscoring our unwavering commitment to excellence and reliability.
As we look forward to 2024, we are exhilarated to embark on a remarkable expansion journey, inviting orders for Ramtec-branded products and extending our exceptional OEM services to international markets.