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, leading with unparalleled expertise in production, sales, and service. Our cutting-edge production facility spans an impressive 6,000 square meters, complemented by a spacious 2,000 square meters dedicated to our modern offices. This dynamic company thrives with a dedicated team of over 70 skilled professionals, including veteran engineers driving hydraulic product innovation, seasoned mechanical technicians, skilled equipment debugging experts, and meticulous assemblers.
With a remarkable annual design and production capacity reaching 5,000 units, Ramtec CN. is the epitome of specialization in high-end breakers and acclaimed Skid Steer Loaders. Our distinguished Ramtec breaker series features the high-performance Gas Type-RB, the versatile low Gas Type-RD, and the advanced fully hydraulic hammer RQ. Further enhancing our offerings are the Rmatec Skid Steer Loaders, boasting rating weights of 850kg and 1200kg. At the heart of our success is a robust quality monitoring system, comprehensive procurement oversight, and meticulous assembly control processes, ensuring excellence in every product. We extend an invitation to visionary global partners eager to join us on our journey of expansion and innovation.
Ramtec places the utmost importance on cultivating high-end brands through scientific management, precision manufacturing, and innovative practices, all governed by strict production protocols. We are passionately committed to delivering exemplary quality in excavators, loaders, and breakers to the global construction machinery market. Our products proudly bear the ISO9001 quality management system certification and the prestigious EU CE certification, testifying to our unwavering commitment to quality and safety.
With a rich heritage in the construction machinery sector, Ramtec showcases its innovative prowess with an impressive portfolio of over 10 invention patents and 24 utility models. Our esteemed recognitions include honors such as 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, highlighting our dedication to technological advancement and innovation.
Guided by craftsmanship and fueled by our original purpose, Ramtec extends a heartfelt invitation to visionary individuals and enterprises worldwide. Join us in forging a collaborative path toward mutual success and a promising future.

Certifications
FAQ:
Question A: What is the relationship between Ramtec CN and Ramtec Robi in Finland?
Answer A: Originally, Ramtec CN began as an agent for Ramtec Finland, representing their Robi brand products in Northern China. In 2010, marking a new phase in our evolution,
Ramtec CN was established in China to champion Ramtec Finland's Robi brand products. By 2013, we made a strategic decision
to establish our own manufacturing facility, focusing on the creation and innovation of our own hydraulic breakers and attachments.
We embraced the distinct Ramtec brand series, heralding a new era in our journey. Though once partners, today the product lines of
Ramtec CN and Ramtec Finland have taken separate paths, each reflecting their unique expertise and specialization.
Ramtec Finland Products - Robi Brand
Ramtec China Products - Ramtec Brand
Question B: Why is the warranty period set at 18 months?
Answer B: Ramtec CN is proud of its in-house production of core spare parts, avoiding the pitfalls of outsourced procurement. Our strong commitment
to using superior materials and exercising meticulous control over heat treatment inspires confidence, allowing our customers to
enjoy a worry-free experience with our products within the extended warranty period (excluding human damage), assured by our robust guarantees.
Question C: How can compatibility with the carrier be ensured?
Answer C: Our extensive technical support experience, combined with hands-on fieldwork, equips us with a comprehensive database of
various excavator specifications. This valuable resource enables us to precisely match the brand and series of the carrier shared by our customers, minimizing compatibility concerns.
At Ramtec Engineering Machinery Co., Ltd., we take immense pride in not just offering communication costs that are remarkably competitive, but in crafting them to ensure seamless and impeccable interactions for our cherished clients. Our unparalleled expertise extends to delivering highly precise, custom-engineered measurements for carrier connections, tailored impeccably to match the distinct specifications of our valued customers. This unwavering dedication to outstanding communication and bespoke customization is what distinguishes us in the industry.
Question D: What factors contributed to Ramtec CN being lesser-known until now?
Answer D: From the very beginning, Ramtec CN has been laser-focused on mastering the intricacies of the local Chinese market. Our deep-rooted commitment to enhancing our business operations and refining our service offerings within this specific arena has allowed us to amass a vast wealth of practical knowledge. This strategic focus has built a solid foundation, empowering us to deliver unmatched value and excellence to our distinguished clientele.
Leveraging our extensive experience in the field, we have perfected the art of manufacturing products of unparalleled quality. We take immense pride in providing OEM hydraulic breakers for prestigious domestic excavator brands, a true reflection of our unwavering dedication to excellence and superior craftsmanship.
Exciting transformations await as we set our sights on a new frontier! Starting in 2024, we will embark on an exhilarating journey of expansion, embracing orders for Ramtec-branded products and OEM services in international markets. This strategic expansion heralds a thrilling new era for Ramtec Engineering Machinery Co., Ltd., marking an important milestone in our growth story.