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 beacon of excellence in hydraulic breaker manufacturing, Ramtec CN. flawlessly merges production, commerce, and unparalleled customer service. Nestled within a state-of-the-art production edifice sprawling over 6,000 square meters, and a sleek 2,000 square meter office, our dedicated team of over 70 industry virtuosos shines. Our team consists of adept engineers driving hydraulic product R&D, seasoned mechanical technicians, troubleshooting savants, and master assemblers.
Commanding an impressive annual design and production capability of 5,000 units, Ramtec CN. is at the forefront of pioneering high-grade breaker products and Skid Steer Loaders. Our hallmark Ramtec breaker lineup features the high-performance Gas Type-RB series, the efficient low Gas Type-RD series, and the trailblazing fully hydraulic hammer RQ series. In addition, our Rmatec Skid Steer Loader selection, available in Rating Weights of 850kg and 1200kg, is underpinned by a formidable quality assurance system, rigorous procurement oversight, and precise assembly process management. We warmly invite global partners to embark on this extraordinary journey with us.
Dedicated to enhancing elite brands with scientific management, precision-driven manufacturing, and groundbreaking concepts, Ramtec CN. consistently delivers top-tier excavators, loaders, and breakers to the international construction machinery arena. Our products are proudly certified with the ISO9001 quality management system and the distinguished EU CE certification.
Firmly rooted in the construction machinery sector, Ramtec CN. boasts over 10 invention patents and more than 24 utility models. Recognized with esteemed titles as a Shandong High-tech Enterprise, Shandong Specialized and Innovative Enterprise, Shandong Science and Technology-oriented SME, and Yantai Innovative SME, our illustrious reputation precedes us.
Craftsmanship charts the course to our original ideals, and these ideals illuminate our path to the future. Ramtec CN. extends an invitation to global partners to collaborate with us in forging a prosperous and mutually enriching tomorrow.

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 : Emerging as an agent for Ramtec Finland in Northern China, Ramtec CN. was established in 2010. Through our legacy as one of their agents
for Ramtec Finland, we initiated Ramtec CN in China, spearheading the promotion of the Robi brand products. By 2013, Ramtec CN.
established its own manufacturing facility and embarked on the production of top-tier hydraulic breakers and
attachments, introducing the renowned Ramtec brand series. Although we were once partners, today, the products of both companies
are distinctly unique, each showcasing exceptional innovations.
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 : As all critical spare parts at Ramtec CN are meticulously produced in-house, without relying on outsourcing, we ensure superior
standards in material selection and heat-treatment supervision. This empowers us to offer our customers unwavering assurance of our products' reliability
throughout the warranty period (excluding human-induced damage), providing robust 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 flawless
compatibility based on the brand and series details provided by our clients, thus effectively minimizing fitment challenges.
Our communication costs have been meticulously crafted to be exceptionally competitive, ensuring seamless and fluid interactions for our valued clients. Moreover, we excel in creating precision measurements for carrier connections that are perfectly tailored to the distinct specifications provided by our esteemed customers, ensuring that each requirement is met with exacting detail and unparalleled accuracy.
Question D: Why might you not have heard of Ramtec CN before?
Answer D: Since its inception, Ramtec CN has strategically concentrated its expertise on the burgeoning local Chinese market. This focus has allowed us to continuously refine our business operations and enhance our service offerings. Our unwavering dedication over the years has empowered us to gather an extensive wealth of practical experience, shaping us into a leader in our niche.
This extensive field experience empowers us to manufacture products of unmatched quality. We take immense pride in supplying OEM hydraulic breakers for prominent domestic excavator brands, a testament to our relentless commitment to excellence, reliability, and superior craftsmanship.
Looking ahead to 2024, we are thrilled to embark on an exhilarating expansion journey by welcoming orders for Ramtec-branded products. We are also poised to offer distinguished OEM services to international markets, marking a new chapter of global excellence and innovation for Ramtec Engineering Machinery Co., Ltd.