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. Ramtec CN. stands as a beacon of excellence in the hydraulic breaker industry, mastering the realms of production, sales, and service. Our avant-garde 6,000 square meter production hub, alongside a spacious 2,000 square meter office complex, houses a dedicated team exceeding 70 experts. This elite force includes seasoned engineers pioneering hydraulic product advancements, skilled mechanical technicians, proficient equipment debugging specialists, and dedicated assemblers, all committed to innovation and quality.
With an impressive annual design and production capability of 5,000 units, Ramtec CN. is at the forefront of high-end breaker innovations, complemented by our prestigious Skid Steer Loaders. Our acclaimed Ramtec breaker family features the high-performance Gas Type-RB, low-intensity Gas Type-RD, and the state-of-the-art fully hydraulic hammer RQ. Additionally, the Rmatec Skid Steer Loaders, rated at 850kg and 1200kg, exemplify our engineering prowess. A robust quality assurance system, comprehensive procurement monitoring, and diligent assembly oversight guarantee unparalleled excellence in every product, as we eagerly seek visionary global partners to amplify our reach.
At Ramtec, we are devoted to crafting superior high-end brands through scientific management, precision engineering, creative methodologies, and stringent production practices. Our dedication is to supply the global construction machinery market with extraordinary quality excavators, loaders, and breakers, proudly bearing the ISO9001 quality management system certification and the esteemed EU CE certification.
Rooted deeply within the construction machinery domain, Ramtec showcases its innovative prowess with more than 10 invention patents and 24 utility models. Our accolades include prestigious titles such as Shandong High Tech Enterprise, Shandong Specialized and Innovative Enterprise, Shandong Science and Technology-oriented SME, and Yantai Innovative SME, affirming our commitment to innovation.
Guided by craftsmanship, Ramtec embarks on a journey towards a bright future. We cordially invite visionary individuals and enterprises worldwide to join us in a collaborative endeavor towards mutual success and innovation.

Certifications
FAQ:
Question A: What is the relationship between Ramtec CN and Ramtec Robi in Finland?
Answer A: Initially, Ramtec CN operated as an agent for Ramtec Finland in Northern China. In 2010, marking our evolution,
Ramtec CN was established in China to champion Ramtec Finland's Robi brand products. By 2013, we strategically
transitioned to building our own manufacturing facility, focusing on the creation and innovation of our hydraulic breakers and
attachments. As we embraced the Ramtec brand series, it symbolized a new era in our journey. While once partners, today the
product lines of Ramtec CN and Ramtec Finland have diverged, highlighting distinct paths of specialization and mastery.
Ramtec Finland Products - Robi Brand
Ramtec China Products - Ramtec Brand
Question B: Why is the warranty period set at 18 months?
Answer B: At Ramtec CN, we take pride in producing core spare parts in-house, steering clear of outsourced procurement. Our steadfast
commitment to premium materials and precise heat-treatment control endows us with the confidence to assure our customers a
worry-free experience throughout the warranty period (excluding human-induced damage), backed by our unwavering guarantees.
Question C: How can compatibility with the carrier be ensured?
Answer C: Our extensive technical support expertise and practical fieldwork have enriched us with a comprehensive database of diverse
excavator specifications. This vast repository allows us to align perfectly with the brand and series of carriers provided by our customers, effectively eliminating compatibility concerns.
At Ramtec Engineering Machinery Co., Ltd., we are thrilled to offer communication solutions that aren't just highly competitive, but meticulously designed to ensure seamless interactions for our cherished clients. Moreover, our proficiency lies in delivering precise, tailor-made measurements for carrier connections, perfectly aligning with the distinctive specifications of our esteemed customers. Our unwavering commitment to excellence, both in communication and customization, truly distinguishes us in the industry.
Question D: What are the reasons why Ramtec CN has previously been less recognized on the international scene?
Answer D: Since our inception, we at Ramtec CN have been laser-focused on mastering the intricacies of the local Chinese market. This dedication has enabled us to refine our business operations and service offerings, amassing a wealth of practical experience. Such strategic focus has built a strong foundation upon which we continue to deliver unparalleled value to our clients.
Leveraging our vast field experience, we have perfected the craft of manufacturing products that embody unrivaled quality. Our pride in supplying OEM hydraulic breakers to prestigious domestic excavator brands underscores our unwavering commitment to excellence and reliability.
Exciting developments await as we prepare to broaden our horizons in 2024, embarking on an exhilarating journey to welcome orders for Ramtec-branded products and OEM services in international markets. This strategic expansion heralds a thrilling new chapter for Ramtec Engineering Machinery Co., Ltd.