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Rocka Heavy-Duty Rock Breaker SK121
Specializing in high-quality attachments like the ROCKA hydraulic breaker, quick hitch coupler, vibratory plate compactor, ripper, and hydraulic post drivers, Rocka offers products engineered for durability and performance.
- Commodity name： Rocka Heavy-Duty Rock Breaker SK121
Product Description
Rocka SK121 Series Heavy-Duty Breaker (for Mining/Quarrying)
Built for 28-35 ton carriers, the Rocka SK121 Large Breaker delivers 7,500 ft/lbs of impact force to dominate granite, basalt, mining, and heavy demolition. Engineered for intelligence, endurance, and lower cost of ownership.
Suitable Applications
- Primary & Secondary Rock Breaking in Granite/Basalt Quarries
- Demolition of Large Reinforced Concrete Foundations
- Tunnel Excavation and Roadway Dressing
- Breaking of Old Piles in Ports and Dockyards
|
Specification |
Unit |
SK81 |
SK100 |
SK121 |
SK131 |
SK141 |
SK151 |
|
Suitable Excavator |
ton |
18~26 |
25~30 |
28~35 |
30~45 |
35~45 |
40~55 |
|
Operating Weight |
kg |
1978 |
2279 |
2896 |
3117 |
3399 |
4390 |
|
Impact Energy Class |
ft/lbs |
5000 |
6000 |
7500 |
8500 |
10000 |
12000 |
|
Impact Rate |
bpm |
350~500 |
300~450 |
300~450 |
250~400 |
250~350 |
250~350 |
|
Required Oil Flow |
gal/min |
31.7~47.6 |
39.6~55.5 |
47.6~63.4 |
50.8~68.7 |
50.8~68.7 |
55.5~76.7 |
|
Setting Pressure |
bar |
210 |
210 |
210 |
210 |
210 |
210 |
|
psi |
2987 |
2987 |
2987 |
2987 |
2987 |
2987 |
|
|
Operating Pressure |
bar |
160~180 |
160~180 |
160~180 |
160~180 |
160~180 |
160~180 |
|
psi |
2276~2560 |
2276~2560 |
2276~2560 |
2276~2560 |
2276~2560 |
2276~2560 |
|
|
Hose Diameter |
in. |
1 |
1 |
1¼ |
1¼ |
1¼ |
1¼ |
|
Tool(Chisel) Diameter |
in. |
5.5 |
5.9 |
6.1 |
6.5 |
6.5 |
7.0 |
|
mm |
140 |
150 |
155 |
165 |
165 |
165 |
* Every hydraulic breaker with 1 set gas-charging kit with nitrogen bottle, 2 pcs hydraulic hose, 1 set tools with toolbox, 2 piece chisel
* From SK20~ SK43 model warranty for 2 years, without wear and tear parts.
* From SK45~ SK151 mode warranty for 1 year ,without wear and tear parts.
OEM
Your designs and standards are the absolute benchmark for our production
CUSTOMER SATISFACTION IS OUR GREATEST REWARD
CONTACT US
Vicent
WhatsApp/Wechat/Cell: 86 18053581623
Email：haofengling512@gmail.com
info@rockageattachments.com
Yantai Rocka Machinery Co., Ltd
Address: No.26 Taoyuan Rd, Dongting Industrial Park, Fushan District,
Yantai, Shandong, China 265500
www.rockahammer.com
ROCKA MACHINERY