Company Profile
Yantai Shijin Machinery Co., Ltd. was established in April 2016. We are a professional enterprise engaged in the production, research and development, and sales of excavator breakers, excavator front-end accessories, and other related products.
The company focuses on technological innovation and product quality, and has a good reputation and credibility in the industry.
With the continuous updating and transformation of manufacturing equipment, the production and supply of up to hundreds of large,medium, and small-sized accessories have been ensured.
Main products: hydraulic breaker, wood gripper, steel gripper, quick coupler, vibration compactor, soil loosening device, spiral drill, crushing pliers, hydraulic shear, excavator bucket and hundreds of other excavator front attachments.
We always attach great importance to product quality and strive to create the first brand of "DEHN" in the construction machinery industry.
It will provide you with top-notch technical support. The best product quality, extensive supply of accessories, and professional after-sales service!
THE FIRST DOMESTIC UTILITY MODEL PATENT TECHNOLOGY PRODUCT
1. Light weight reduces the burden on the performance components of the excavator
2. Low nitrogen pressure and low load, protect the hydraulic system and reduce the
driver's operation fatigue
3. The frequency can be adjusted according to the working conditions to improve the
efficiency
4. The diameter of the piston is large and the power is sufficient
5. The new design of the reversing valve, the hydraulic energy efficiency is improved, and
the switching speed is fast

|
Model |
DEHN1400 |
DEHN1550 |
DEHN1650 |
DEHN1750 |
DEHN1850 |
DEHN1950 |
DEHN2100 |
|
Operating pressure |
kg/cm² psi bar |
160-180 157-177 |
160-180 157-177 |
160-180 157-177 |
180-210 157-177 |
190-220
177-217 |
190-220
177-217 |
200-240
177-217 |
|
Hydraulic flow range |
L/min |
120-180 |
180-240 |
200-260 |
200-260 |
220-270 |
220-290 |
290-350 |
|
Impact frequency |
bpm |
350-500 |
300-450 |
250-400 |
200-350 |
200-250 |
180-200 |
150-200 |
|
Diameter of hose |
mm inch |
25.4 1 |
31.75
1/1/4 |
31.75
1/1/4 |
31.75
1/1/4 |
31.75
1/1/4 |
31.75
1/1/4 |
31.75
1/1/4 |
|
Diameter of chisel(tool) |
mm |
140 |
155 |
165 |
175 |
185 |
195 |
210 |
|
Suitable carrier |
|
18-26 ton |
28-35 ton |
30-40 ton |
35-40 ton |
36-45 ton |
40-55 |
60-80 |
|
Valve type |
|
internal |
internal |
internal |
internal |
external |
external |
external |
|
Accumulator exists |
|
no |
yes |
yes |
yes |
yes |
yes |
yes |
|
Structure
Features of DEHN-Hydraulic Hammer
More than 20 models can match 0.8-40
tons of excavators.
Patented body design
Inner valve
Quiet operation
Fuel saving
Low maintenance cost
Smart bracket design
Energy recovery system
Various working tools


The DEHN brand has obtained CE certification and 4 product patents since 2010. By using piston recoil energy, performance can be improved without additional hydraulic flow input. In addition to easy body design, DEHN hydraulic breakers can also achieve the best performance at low cost. Only 2 moving parts, the lowest maintenance and repair costs, and finally Make your investment worthwhile.

CERTIFICATIONS
EXHIBITION
1.Delivery time: Usually 5-7 days after prepayment .
2.We can delivery by air or by sea at any main port in China according to customers' requirement .
FAQ:
1.Is that the main body color customized?
Sure ,but we recommend you yellow, blue and orange.
2. How many days for the delivery time ?
It is about 3-7 working days after the order confirmation.
3. What kind of payments you accept?
Now we accept T/T, L/C or Western Union, other terms also could be negotiated, Recommended Trade Assurance to guarantee buyer's property.
4. Are you able to manufacturing products according to customer's design?
Sure, we have made many special orders from oversea for 10 years since 2010.So we have enough ability to deal with any cases.
OEM certificate is available to provided.
5. Which countries have you been exported recently?
Canada, Australia,Peru, Egypt, Brazil, Mexico, South Africa, etc.
6. Are you sure that your product will fit my excavator?
Our chisel can be adapted to different excavators. Show me your model number, and we can give you best match products.
7. How about the packing of the goods?
Standard export package, wood cases, or as customers' demands.