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. - A Professional Manufacturer
Ramtec CN. Machinery Co., Ltd. At Ramtec CN., we stand at the forefront of the hydraulic breaker industry, expertly intertwining production efficiency with unparalleled sales and distinguished service. Our operations are anchored in a vast, cutting-edge 6,000-square-meter production facility, complemented by a sophisticated 2,000-square-meter office space. Our dynamic team of over 70 professionals includes seasoned engineers with deep expertise in hydraulic product R&D, skilled mechanical technicians, proficient equipment debugging specialists, and meticulous assemblers, all contributing to our innovative prowess.
With an impressive annual design and production capacity of 5,000 units, we are deeply committed to innovation and excellence. Focusing our expertise on top-tier breaker products and Skid Steer Loaders, we proudly present the renowned Ramtec breaker series, featuring the high-performance Gas Type-RB series, the efficient low Gas Type-RD series, and the advanced fully hydraulic hammer RQ series, alongside the robust Rmatec Skid Steer Loaders with rating weights of 850kg and 1200kg. Each product is backed by a rigorous quality assurance system throughout production, procurement, and assembly processes. We are actively exploring global partnerships, inviting collaboration on our journey to new horizons.
At Ramtec, our unwavering dedication to crafting high-end brands is fueled by scientific management, precision manufacturing techniques, and revolutionary production ideologies. Our stringent production management systems ensure the delivery of premium excavators, loaders, and breakers, respected in the global construction machinery arena. Our products proudly hold prestigious certifications, including the ISO9001 quality management system certification and the EU CE certification, reflecting our uncompromising commitment to quality.
Firmly entrenched in the construction machinery sector, Ramtec has been awarded over 10 invention patents and credited with 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, showcasing our dedication to innovation and excellence.
Guided by the ethos of craftsmanship, Ramtec remains devoted to its founding principles, eagerly seeking collaboration with partners across diverse fields globally, aspiring towards a prosperous, shared 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 : The origins of Ramtec CN are entwined with its role as a representative for Ramtec Finland in Northern China. Established in 2010,
we proudly served as exclusive agents for Ramtec Finland, igniting Ramtec CN's mission to elevate the Robi brand across China. Building
on this momentum, Ramtec CN launched its manufacturing facility in 2013, embarking on the research and production of hydraulic breakers
and attachments under our own distinguished Ramtec brand. While our collaborative journey with Ramtec Finland laid the foundation, the
offerings from both entities are uniquely distinct today, reflecting their evolved paths.
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 : Our confidence in the unparalleled quality of Ramtec CN's core spare parts, all crafted meticulously in-house without reliance
on external suppliers, is reinforced by our careful material selection and advanced heat-treatment processes. This assurance empowers us
to offer an 18-month warranty period, ensuring our customers enjoy sustained peace of mind, provided there is no human-induced damage.
Question C : How can we ensure that the product is compatible with the carrier?
Answer C: Our profound expertise in technical support and field operations has blessed us with a comprehensive repository of Excavator data. This vast and invaluable collection of insights allows us to meticulously align our product dimensions with the exact brand and series specifications of the carrier provided by our customers.
This treasure trove of detailed information equips us to perfectly match the product dimensions to the specific brand and series of carrier supplied by our valued clients, ensuring flawless compatibility and performance excellence.
communication costs. Furthermore, we excel in engineering precise, custom-manufactured connections that are intricately designed to meet the specific carrier requirements of our esteemed clientele, guaranteeing seamless integration and delivering optimal performance.
Question D: Why haven't we heard of Ramtec CN before?
Answer D: Since the founding of Ramtec CN, we have laid a robust and enduring foundation within China, emphasizing unparalleled business practices and superior services. Our unwavering commitment over the years has allowed us to build an impressive reservoir of field experience, positioning us to craft products of exceptional quality.
With this experience, we confidently produce top-tier OEM hydraulic breakers for prestigious domestic excavator brands, earning a reputation for excellence and reliability.
In 2024, we are ambitiously broadening our horizons by managing orders for our very own Ramtec brand products, while simultaneously offering our acclaimed OEM services to the global market.