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. - The Pinnacle of Professional Manufacturing Excellence
Ramtec CN. Machinery Co., Ltd. is a prestigious and large-scale manufacturer specializing in hydraulic breakers, seamlessly integrating production, sales, and service. The company boasts a magnificent 6,000 square meter standardized production workshop, complemented by a 2,000 square meter state-of-the-art office space. Our dynamic team of over 70 professionals includes seasoned engineers with extensive experience in hydraulic product R&D, as well as senior mechanical technicians, adept equipment debugging experts, and skilled assemblers.
Our company proudly holds an impressive annual design and production capacity of 5,000 units. We focus on pioneering high-end breaker products and Skid Steer Loaders. Our illustrious Ramtec breaker series includes the high Gas Type-RB series, low Gas Type-RD series, and the innovative fully hydraulic hammer RQ series. The Rmatec Skid Steer Loader, available in Rating Weights of 850kg and 1200kg, further showcases our advanced engineering prowess. With a comprehensive production quality monitoring system, stringent procurement processes, and meticulous assembly control, we assure impeccable product quality. We are actively seeking esteemed global partners to join our growing network.
Dedicated to excellence, Ramtec is committed to cultivating high-end brands through scientific management techniques, refined manufacturing processes, and groundbreaking innovative concepts. Our rigorous production management systems continuously deliver premium excavators, loaders, and breakers to the global construction machinery market. Each product has proudly passed the esteemed ISO9001 quality management system certification as well as the EU CE certification.
Deeply entrenched in the construction machinery industry, Ramtec has achieved an impressive portfolio with over 10 invention patents and more than 24 utility models. We have been recognized with prestigious titles 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.
Our craftsmanship is driven by a steadfast original intention, paving the way for a promising future. Ramtec extends a warm invitation to global partners across various sectors to collaboratively achieve a prosperous and mutually beneficial tomorrow.

Certifications
FAQ :
Question A : What is the relationship between Ramtec CN in China and Ramtec Robi in Finland?
Answer A : The esteemed Ramtec CN originated as an agent for Ramtec Finland in Northern China. In 2010, as a distinguished agent
of Ramtec Finland, we established Ramtec CN in China to proficiently promote the prestigious Robi brand products of Ramtec
Finland. By 2013, Ramtec CN proudly launched its own manufacturing facilities, focusing on research and production of innovative hydraulic breakers and
attachments under the registered Ramtec brand. Although both companies were former partners, their product lines are distinctly unique now.
Products of Ramtec Finland company - Robi Brand
Products of Ramtec China company - Ramtec Brand
Products of Ramtec China company - Ramtec Brand
Question B : Why does the warranty period last for 18 months?
Answer B : At Ramtec CN, we confidently offer an extended warranty because all core spare parts are meticulously produced in-house, ensuring
unmatched quality control in material selection and heat-treatment. This empowers customers to utilize our products with absolute confidence throughout the
warranty period (excluding human-induced damages), with reliable guarantees provided.
Question C : How do you ensure product compatibility with the carrier?
Answer C : With our extensive technical support experience and on-site expertise, we have amassed a substantial database of diverse Excavator specifications,
enabling precise matching based on the brand and series of the carrier provided by customers, thereby minimizing compatibility issues.
At Ramtec Engineering Machinery Co., Ltd., we pride ourselves on minimizing communication costs while delivering precision-engineered solutions tailored to your specifications. Our expertise allows us to craft exact measurements for carrier connections as provided by our valued customers, ensuring seamless integration and optimal performance of our exceptional excavator hydraulic breaker spare parts made with premium 20crmo forged material.
Question D : Why haven't you heard of Ramtec CN before?
Answer D : Since its inception, Ramtec CN has firmly rooted itself in the vibrant Chinese market, honing its business acumen and service excellence. Through years of dedicated practice, we have amassed a wealth of industry knowledge.
Empowered by this field experience, we are committed to producing high-quality products and serve as the trusted OEM partner for hydraulic breakers for leading domestic excavator brands.
Having established a solid foundation, we are thrilled to announce that starting 2024, Ramtec brand products, along with our OEM services, will be available to meet the needs of global markets as we expand our reach overseas.