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 Leader in Precision Manufacturing
Ramtec CN. Machinery Co., Ltd. Ramtec CN. is a premier hydraulic breaker manufacturer, expertly integrating production, sales, and service. With a vast 6,000 sq.m. production facility and 2,000 sq.m. of dedicated office space, our team of over 70 skilled professionals includes seasoned engineers, adept mechanical technicians, equipment specialists, and master assemblers, all pioneering in hydraulic product innovation.
Boasting an impressive annual capacity of 5,000 units, Ramtec's focus is finely tuned to high-end breakers and Skid Steer Loaders. Our signature Ramtec breaker lines-high Gas Type-RB, low Gas Type-RD, and the fully hydraulic RQ series-combined with the Rmatec Skid Steer Loaders (850kg and 1200kg rating) exemplify our commitment to excellence, supported by a robust quality monitoring and assembly control system. We're actively seeking global partnerships to expand our reach.
At Ramtec, we are unwavering in our pursuit of high-end brand development through scientific management, precision engineering, and cutting-edge manufacturing practices. Our dedication to stringent production protocols ensures we deliver top-tier excavators, loaders, and breakers worldwide. Our products proudly meet ISO9001 quality management standards and have earned EU CE certification.
Ramtec's deep roots in the construction machinery sector are underscored by over 10 invention patents and 24 utility model recognitions. We've been consistently lauded with distinctions such as Shandong High-tech Enterprise, Shandong Specialized and Innovative Enterprise, and Shandong Science and Technology-oriented SME, affirming our status as a beacon of innovation.
Craftsmanship is the heart of our mission, propelling us into the future. Ramtec eagerly invites global partners to join us in forging a prosperous, shared future.

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: The origins of Ramtec CN trace back to being an agent for Ramtec Finland in Northern China. By 2010, as part of this collaboration,
we established Ramtec CN to advance the Robi brand in China. In 2013, we inaugurated our own manufacturing facility, initiating the production
and innovation of hydraulic breakers and attachments under our Ramtec brand. While once partners, our product lines now distinctly differ.
The two companies used to be cooperative partners, but the
products produced by the two companies are now totally distinct.
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: Because all core spare parts are crafted in-house at Ramtec CN, bypassing outsourcing, we are confident in our superior material
selection and heat-treatment processes. This assurance extends to our customers, allowing them to trust in the product's durability during
the warranty period, provided there is no human-inflicted damage, accompanied by robust guarantees.
Question C: How can we ensure that the product is compatible with the carrier?
Answer C: Our extensive technical support experience and on-site expertise provide us with a wealth of excavator data. This enables us to accurately
match specifications to the brand and series of the carrier provided by our customers, ensuring seamless compatibility.
communication costs. Additionally, we specialize in providing precision manufacturing tailored to the specific carrier connections as specified by our customers, ensuring seamless integration and optimal performance.
Question D: Why have we not heard of Ramtec CN before?
Answer D: Since Ramtec CN's inception, our focus has been on establishing a robust presence and offering exemplary services within China. Over time, we have built a wealth of expertise through extensive hands-on experience.
This expertise has enabled us to manufacture high-quality products, including OEM hydraulic breakers for renowned domestic excavator brands. Our commitment to excellence has positioned us as leaders in the field.
In 2024, we expanded our horizons by beginning to accept orders for Ramtec branded products and providing OEM services for international markets, marking our entrance into the global arena.