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 of Excellence
Ramtec CN. Machinery Co., Ltd. As a prominent player in the hydraulic breaker industry, Ramtec CN. Machinery Co., Ltd. stands as a large-scale professional manufacturer. We seamlessly integrate production, sales, and service within a sprawling 6,000 square meter standardized production facility and a 2,000 square meter office space. Our dynamic team of over 70 dedicated professionals includes seasoned engineers specializing in hydraulic product R&D, senior mechanical technicians, expert equipment debugging technicians, and skilled assemblers.
With an impressive annual design and production capacity of 5,000 units, Ramtec CN. is at the forefront of high-end breaker products and Skid Steer Loaders. Our acclaimed Ramtec breaker series includes the high Gas Type-RB series, low Gas Type-RD series, and the innovative fully hydraulic hammer RQ series. Complemented by the Rmatec Skid Steer Loader, available in 850kg and 1200kg, our comprehensive quality monitoring systems ensure precision and reliability at every stage. We are currently seeking visionary global partners to join our journey.
Ramtec is dedicated to establishing high-end brands through scientific management, precision manufacturing, innovative concepts, and stringent production systems. Our commitment is reflected in our high-quality excavators, loaders, and breakers for the global construction machinery industry. All products proudly carry ISO9001 quality management system certification and EU CE certification, symbolizing our unwavering focus on excellence.
With firm roots in the construction machinery sector, Ramtec has achieved over 10 invention patents and more than 24 utility models. We proudly wear titles such as Shandong High-tech Enterprise, Shandong Specialized and Innovative Enterprise, Shandong Science and Technology-oriented SME, and Yantai Innovative SME. These accolades affirm our dedication to technological advancement and innovation.
Embodying the spirit of craftsmanship, Ramtec's commitment to its original vision propels us into a future of limitless possibilities. We warmly invite global partners from all sectors to join us in crafting a prosperous, collaborative future.

Certifications
FAQ :
Question A : What is the relationship between Ramtec CN and Ramtec Robi in Finland?
Answer A : Originally, Ramtec CN was an agent for Ramtec Finland in Northern China. In 2010, we established Ramtec CN to promote Robi brand products of
Ramtec Finland. By 2013, Ramtec CN had its own manufacturing facility, pioneering research and production of hydraulic breakers and
attachments under the Ramtec brand. Although the two companies were once partners, the products they produce are now distinct and separate.
The two companies used to be cooperative partners, but the
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 set at 18 months?
Answer B : Ramtec CN's core spare parts are manufactured in-house, ensuring no dependence on outsourced procurement. Our meticulous selection of
materials and advanced heat-treatment processes instill a high degree of confidence, allowing customers to utilize and trust our products
throughout the 18-month warranty period (excluding human-induced damage), with full assurances of quality and reliability.
Question C : How can we assure that products are compatible with the carrier?
Answer C : With extensive experience in technical support and on-site operations, we possess comprehensive Excavator data, enabling us to accurately
match sizes based on the specific brand and series of the customer's carrier, thus minimizing compatibility issues and enhancing performance.
communication costs. Additionally, we offer precision manufacturing services tailored to the specific carrier connections as specified by our customers, ensuring seamless integration and superior performance.
Question D: Why haven't we heard of Ramtec CN before?
Answer D: Since its inception, Ramtec CN has focused on building a robust foundation within China. Through extensive business operations and dedicated service initiatives, we have accumulated a wealth of
field experience, enabling us to craft superior products. We also supply OEM hydraulic breakers to some of the most reputable domestic excavator brands,
and, beginning in 2024, we expanded our capabilities to fulfill orders for the Ramtec brand and provide OEM services to international markets.