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 Par Excellence
Ramtec CN. Machinery Co., Ltd. - Leaders in Hydraulic Solutions Ramtec CN. stands as a pioneering giant in the hydraulic breakers industry, seamlessly blending production prowess, impeccable sales strategies, and unparalleled service excellence. At the core of our operations lies an expansive, state-of-the-art 6,000-square-meter production workshop, perfectly complemented by a sophisticated 2,000-square-meter office space. Our dynamic team of over 70 experts includes seasoned engineers with vast hydraulic product R&D experience, veteran mechanical technicians, adept equipment debugging specialists, and meticulous assemblers.
Demonstrating our unwavering commitment to innovation and excellence, we proudly design and produce an astounding 5,000 units annually. Our focus is on premium-grade breaker products and Skid Steer Loaders. We offer the acclaimed Ramtec breaker series, ranging from the high Gas Type-RB series, the low Gas Type-RD series, to the cutting-edge fully hydraulic hammer RQ series, alongside the robust Rmatec Skid Steer Loaders with impressive rating weights of 850kg and 1200kg. Every product stems from a rigorous quality assurance system governing production, procurement, and assembly processes. We are eagerly seeking global partners to join and expand our horizons on this exciting journey.
With an unwavering dedication to sculpting high-end brands, Ramtec thrives on scientific management, precision manufacturing techniques, and revolutionary production ideologies. Our stringent production management systems ensure we consistently deliver premium excavators, loaders, and breakers, revered across the global construction machinery landscape. Our prestigious ISO9001 quality management system certification and the EU CE certification testify to our uncompromising quality standards.
Firmly entrenched in the construction machinery sector, Ramtec has amassed over 10 invention patents and is credited with more than 24 utility models. Our accolades include esteemed titles like 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.
Guided by the ethos of craftsmanship, Ramtec is devoted to its founding principles. We eagerly seek to collaborate with partners from diverse global domains, aspiring towards a prosperous and shared future of innovation and success.

Prestigious Certifications
FAQ : Frequently Asked Questions
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 genesis of Ramtec CN is rooted in its initial role as a representative for Ramtec Finland in Northern China. Established in 2010 as one of the
exclusive agents for Ramtec Finland, we launched Ramtec CN with a mission to champion the Robi brand across China. Riding the wave of momentum,
Ramtec CN inaugurated its manufacturing facility in 2013, venturing into research and production of hydraulic breakers and
attachments under our esteemed Ramtec brand. While our collaborative journey with Ramtec Finland laid the foundation, today's offerings
from both entities stand distinctly unique, reflecting their evolved and independent 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 unwavering confidence in the superiority of Ramtec CN's core spare parts, crafted entirely in-house with no reliance on external
suppliers, is rooted in our meticulous material selection and advanced heat-treatment processes. This rock-solid assurance empowers us to offer an
18-month warranty period, ensuring our customers enjoy 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 an expansive treasure trove of Excavator data. This invaluable collection positions us to perfectly synchronize the product dimensions with the precise brand and series of carrier specified by the
customer. This vast wealth of information empowers us to meticulously align our products, ensuring they meet exacting standards.
communication costs. Furthermore, we excel in designing and crafting accurate, custom-manufactured connections, meticulously tailored to the distinctive carrier requirements provided by our esteemed clientele, guaranteeing seamless integration and peak performance.
Question D: Why haven't we heard of Ramtec CN before?
Answer D: Since Ramtec CN's inception, we have built a robust foundation in China, emphasizing unparalleled business practices and services. Our unwavering dedication over the years has equipped us with an extensive wealth of
field experience, enabling us to produce top-tier products. We are proud suppliers of OEM hydraulic breakers for prestigious domestic excavator brands,
and with the dawn of 2024, we have broadened our horizons, managing orders for Ramtec brand products while extending our OEM services to cater to the global market.