Clamshell grab

Versatile and light weight grab solution for a wide variety of bulk materials for an interesting price.

High free digging productivity

Specifically suited for handling powdery and dusty material

Environment-friendly design

For a reliable and fast handling of many different bulk goods


The grabs are manufactured from the highest possible quality steels, such as Dillidur 450, Hardox 450, Dillimax 690 and Weldox 700 or equally renowned brands. The clamshell grab’s closing rope guide can be equipped with low friction cable guides, which guarantee a long life span of the closing cables. Standard equipped with low friction spherical bearings in the pivots, which combine a high load bearing figure with low friction opening and closing of the grab. At your request, we can offer centralized lubrication systems.

Characteristics and advantages

The Clamshell grab is available for lifting capacities of over 85 tons and volumes of over 60 m3. Practically every kind of bulk material can be handled provided it is not too coarse. The shells are available in open, half closed and closed versions and with every kind of possible opening direction and with diverse cable patterns. The robust design of the Clamshell grab is manufactured with high-tensile steel. It is a grab with favourable light weight, excellent filling and fast emptying characteristics.  It is also is equipped with excellent cable guides, extending life span of closing ropes.

The added value of the clamshell grab

  • High free digging productivity
  • An interesting price
  • Specifically suited for handling powdery and dusty material
  • Environment-friendly design

Want to know more?

Download for more information.


Clamshell grab gallery


If you have any questions please feel free to contact us.
We will be happy to help you

Riny Stoutjesdijk
Sales manager

+31 111 418 943

Other solutions
See all solutions

You can improve your acceleration with...


Oh my grab!

We can't provide you with calculation as we're not familiar with your current installation. Please send more information to sales@nemag.com so we can assist you.

Compare the grab glossary

Crane capacityIs the Safe Working Load of your crane in tons in grab duty, i.e. the total sum of grab dead weight and payload.

PayloadIs the nett load of cargo in the grab. Because it’s linked with the grab weight it will be filled in automatically.

Grab weightIs the Dead weight of your existing grab. Not sure? Check your grab manual, CE declaration, or on the ID plate on your grab.

Grab rope withdrawal lengthIs the length of the closing rope which needs to be pulled out in order to close the grab (not to confuse with the total reeved in grab rope length).

Not sure about the numbers?Check the grab manual. Don’t hesitate to contact us.

Riny Stoutjesdijk
Sales manager

+31 (0)653109307