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. Step into the realm of hydraulic breaker excellence with Ramtec CN., a trailblazer in seamlessly fusing production, sales prowess, and superior service. Our cutting-edge production complex, sprawled over an expansive 6,000 square meters and complemented by a contemporary 2,000 square meter office space, is home to a team of over 70 industry mavens. This expert team comprises seasoned engineers specializing in hydraulic innovation, expert mechanical technicians, proficient equipment troubleshooting specialists, and skilled assemblers, poised to deliver excellence.
With a remarkable annual design and production prowess of 5,000 units, Ramtec CN. leads the charge in pioneering elite breaker products and Skid Steer Loaders. Our elite Ramtec breaker collection features the power-packed Gas Type-RB series, the efficient low Gas Type-RD series, and the groundbreaking fully hydraulic hammer RQ series. The Rmatec Skid Steer Loader line, available in Rating Weights of 850kg and 1200kg, is underpinned by a rigorous quality monitoring mechanism, stringent procurement oversight, and meticulous assembly process management. We extend an invitation to global partners to embark on this extraordinary venture with us.
Ramtec CN. is steadfast in its mission to elevate high-end brands through scientific management, precise manufacturing, and pioneering concepts, consistently delivering world-class excavators, loaders, and breakers to the global construction machinery arena. Our products proudly bear the ISO9001 quality management system certification alongside the prestigious EU CE certification, a testament to our commitment to quality.
Firmly entrenched in the construction machinery domain, Ramtec CN. boasts over 10 invention patents and more than 24 utility models. Our accolades include the esteemed titles of 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, underscoring our esteemed reputation.
Guided by craftsmanship, we remain true to our original intentions, lighting the path to a promising future. Ramtec CN. eagerly invites global collaborations and partnerships to forge a prosperous and mutually beneficial 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 : In 2010, Ramtec CN. was born as a Northern China agent for Ramtec Finland. Leveraging our legacy as an agent,
we initiated Ramtec CN in China, passionately promoting the Robi brand offerings. By 2013, Ramtec CN.
established its own manufacturing stronghold, venturing into the innovation of premium hydraulic breakers and
attachments, proudly unveiling the Ramtec brand lineup. Although once partners, today, the product lines of both
entities are distinct, each presenting unique innovations and advancements.
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 : At Ramtec CN, we craft all core spare parts in-house, refraining from outsourcing, thereby ensuring unrivaled
quality in material selection and heat-treatment management. This empowers us to offer our customers unwavering assurance
of product reliability throughout the warranty period (excluding human-induced damage), promising robust durability.
Question C : How can we ensure that the product is compatible with the carrier?
Answer C : Armed with extensive technical support expertise and field operation experience, we possess comprehensive
Excavator data, ensuring meticulous compatibility according to the brand and series information from our clients, thereby minimizing fitment issues effectively.
At Ramtec Engineering Machinery Co., Ltd., our communication costs are ingeniously designed to be exceptionally competitive, ensuring effortless and smooth interactions for our cherished clients. Furthermore, we specialize in generating precise measurements for carrier connections, meticulously crafted to align with the unique specifications provided by our distinguished customers.
Question D: Why haven't we heard of Ramtec CN before?
Answer D: Since its inception, Ramtec CN has strategically channeled its expertise into the flourishing local Chinese market, persistently refining our business operations and elevating our service offerings. This dedication has allowed us to accumulate a vast repository of practical experience over the years.
With this extensive field experience, we are empowered to manufacture products of unrivaled quality. We take immense pride in supplying OEM hydraulic breakers for leading domestic excavator brands, underscoring our unwavering commitment to excellence and reliability.
As we look forward to 2024, we are excited to embark on a remarkable expansion journey. We eagerly anticipate welcoming orders for our prestigious Ramtec-branded products and extending our distinctive OEM services to international markets, marking a new era of growth and success.