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 Pioneer in Professional Manufacturing
Ramtec CN. Machinery Co., Ltd. Ramtec CN. is a renowned, large-scale manufacturer specializing in hydraulic breakers. The company seamlessly integrates production, sales, and service, boasting a vast, standardized production facility spanning 6,000 square meters, alongside a 2,000 square meter office space. Our team of over 70 skilled professionals includes veteran engineers with extensive experience in hydraulic R&D, seasoned mechanical experts, precision equipment technicians, and master assemblers, all dedicated to excellence.
With an impressive annual design and production capacity of 5,000 units, Ramtec CN. is at the forefront of innovation, focusing on high-end breaker products and advanced Skid Steer Loaders. Our flagship Ramtec breaker series comprises the high Gas Type-RB, low Gas Type-RD, and the cutting-edge fully hydraulic hammer RQ series. Paired with the robust Rmatec Skid Steer Loaders (Rating Weight 850kg and 1200kg), we maintain excellence through rigorous quality monitoring systems and strict procurement controls, ensuring superior assembly processes. We're actively seeking esteemed global partners to join us in this exciting journey.
Ramtec is devoted to nurturing prestigious high-end brands through scientific management, refined manufacturing, and pioneering concepts, coupled with stringent production oversight. Our unwavering commitment delivers premium excavators, loaders, and breakers to the global construction machinery industry. These products proudly bear the ISO9001 quality management system certification and EU CE certification, testaments to our relentless pursuit of excellence.
Deeply embedded in the construction machinery sector, Ramtec has achieved over 10 innovative patents and more than 24 utility models, earning accolades like Shandong High Tech Enterprise, Shandong Specialized and Innovative Enterprise, Shandong Science and Technology-oriented SME, and Yantai Innovative SME. These honors reflect our dedication to ingenuity and technological advancement.
Our craftsmanship embodies our core values, guiding us toward a promising future. Ramtec eagerly anticipates forging lasting partnerships with global allies, aimed at achieving mutual success and a bright, prosperous future together.

Certifications
FAQ :
Question A : There is also a Ramtec Robi in Finland, what is the relationship between Ramtec CN and the one Finland ?
Answer A : Initially, Ramtec CN operated as an agent for Ramtec Finland in Northern China. Established as a registered company in 2010, our goal was to promote the Robi brand in China.
As one of Ramtec Finland's agents, we created Ramtec CN, marking the beginning of our journey to promote Robi products across China.
In 2013, Ramtec CN took a significant leap by setting up a manufacturing facility, launching its own research and production of hydraulic breakers and attachments, bearing the distinctive Ramtec brand.
While once collaborative partners, Ramtec CN and Ramtec Finland now produce distinctly different product lines, each unique to its respective market.
products produced by the two companies are totally different now.
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, we take immense pride in crafting all core spare parts in-house, eliminating the need for external procurement. This meticulous process ensures unparalleled material selection and exacting heat-treatment control.
Our confidence in these processes empowers us to offer an 18-month warranty, reassuring customers of the product's durability and reliability, barring any human-inflicted damage, with comprehensive guarantees for peace of mind.
warranty period (without human damage) and provide corresponding guarantees.
Question C : How can we ensure that the product is compatible with the carrier ?
Answer C : Leveraging our extensive technical expertise and hands-on field experience, we've amassed comprehensive data on a wide range of excavators.
This wealth of knowledge enables us to provide precise compatibility, tailoring size specifications to the unique brand and series of the carrier you provide, significantly minimizing any potential mismatches.
At Ramtec Engineering Machinery Co., Ltd., our communication costs are meticulously crafted to be exceptionally competitive, ensuring seamless and smooth interactions for our valued clients. Furthermore, we are specialists in crafting precise and meticulous measurements for carrier connections, perfectly tailored to the unique and specific requirements provided by our esteemed and respected customers.
Question D: Why haven't we encountered Ramtec CN in the global arena before?
Answer D: Since the inception of Ramtec CN, we have strategically focused our expertise on the thriving local Chinese market, meticulously honing our business operations and service offerings. This unwavering dedication over time has empowered us to amass a wealth of invaluable practical experience.
This remarkable and extensive field experience empowers us to manufacture products boasting impeccable and superior quality. We proudly provide OEM hydraulic breakers for distinguished and renowned domestic excavator brands,
and, starting in 2024, we are thrilled to announce our expansion by accepting orders for Ramtec-branded products and OEM services in the vibrant international markets.