Product Description
This is 4 ton knuckle boom truck mounted crane
The following is technical drawing:
Detailed Photos
Advantages:
1.Using three dimensional design and analysis of product design ensuring safe andreliable
2. Four bar linkage mechanism has been applied in the joint partswhich improves the working capacity at the maximum elevating angle
3.Boom head is made of whole-arm structuremoreintense.Split head design reduces the boom head bearing
4.Flange plate balance valve and compulsorsequence
BOB-LIFT
valve make the movement more accurate and reliable.
5.Hexagon boom structure strengthens the loading capacity
6.Float type triple bridge desiqn applies in the crane pedestal, making the force arrangement of the chassis more scientific.
7.Hydraulic winch in hoisting mechanism relies on disc spring and friction brake,stable andreliablehigh efficiencylow noiseheatis small: descentrelies on hydraulic balanceweightsgreatlyincreasing product reliability.
8.Boom using the large slide designreduce crane
boom's pressure ratio while reducing the lifting arm wear.
F&Q:
1) How many years of your factory?
We have 16 years production and nearly 10 years experience, we exported to more than 50 countries & regions.
2) Which kind of payment you can be accepted?
Normally both of T/T & L/C at sight are ok for us.
3) How about the delivery time?
20-40 working days after received 30% T/T or L/C.
4) What's your warranty?
Normally is 1 year, if large quantities we can negotiate.
5) What's your MOQ?
MOQ: 1 set
6) Can you accept OEM service?
Yes for sure my friend.
7) Optional Attachment?
Remote Control, Basket, Auger, Grapple, Top Seat, Rear Legs
Audited Supplier 
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