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Clam Buckets

Rotobec Clam Buckets set the industry benchmark for strength and durability. Reach the ultimate level of productivity as nothing will escape you with Rotobec port cranes’ attachments

    Warranty Policy

    Our clam buckets, material moving monsters of all imaginable sizes.

    Our line of clamshell buckets comes in many different sizes, all the way up to a whopping 20 cubic yards (16 cubic meters) capacity. Within our lineup, we offer a variety of different series including: light duty, standard duty and heavy-duty, each of which has been designed to provide the maximum level of performance based on the type of material being handled. Our CSBV series offer unmatched flexibility, allowing you to modify the capacity of the clamshell in the blink of an eye. When it comes to clamshell buckets, there is simply no other manufacturer capable of matching the toughness and versatility of a Rotobec.

    Rotobec clam bucket open on a big green loader.
    Rotobec clam bucket releasing a shovel of sand on a platform.
    Rotobec clam bucket on a red excavator depositing rocks in a truck.
    Rotobec clam bucket pouring soil into a metal funnel.
    A loader pouring sand with his Rotobec clam bucket into a metal funnel from a container on a ship.
    A loader grabbing sand with his Rotobec clam bucket from a container on a ship.
    Rotobec clam bucket filled with sand in movement.
    Outside view of a loader where the Rotobec clam bucket is filled with sand in movement.
    A large green loader with a Rotobec clam bucket in a seaport filling a truck with sand from a ship.
    Rotobec clam bucket grabbing sand in the bottom of a red container.
    Close view on the opened black Rotobec clam bucket in the air.

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    02 Features

    The Smallest Details Matter Most.

    Rotobec is recognized worldwide for its innovation. All of our grapples are made with only the highest quality steel and components to provide you with the best and most durable products out there. Combined with our exceptional workmanship, we ensure the longevity of your attachment with our top engineered designs and meticulous quality control. The port sector is time sensitive: we know you can’t stop because of an unreliable attachment causing you money penalties for delayed ships and barges. Our port crane attachments are the most reliable you can find so you don’t need to stop working. We have put our heart and soul in every detail to bring you the best and highest performing attachments in the industry.

    Rotobec on the front side of a grapple made of tough metal.

    The Finest Design For Superior Performance.

    There is no place for downtime in port material handling! The threat of damaged cylinders is a common and costly problem that can quickly bring your entire operation to a grinding halt and be very costly in terms of late ship penalties. In order to protect your most precious asset, we have designed a cylinder that has revolutionized the port industry. Rotobec provides you with a cylinder that is better protected and more durable than any other option on the market for your Clamshell Bucket. Want less downtime and fewer damaged cylinders? Try our famous cylinders for yourself. You will never look back.

    A close view on the unmatched Rotobec cylinder.

    Exceptional Performing Machines

    You will be surprised by how light are Rotobec Clamshell Buckets but how much capacity they have. Clamshell Buckets, also well-known for their closing force, are made out of high resistance steel, which makes them the most robust you can find. Yet, these dredging buckets are the lightest available, thanks to their 4 cylinders designed in-house, maximizing your machine performance while still being strong, reliable, and agile. Superior productivity and unmatched agility is what clamshell buckets are made of.

    A distant view of a Rotobec attachment releasing a shovel of sand into a funnel.

    Rotobec clam bucket bringing materials from a container to a truck.

    03 Specs

    Weight (including rotator)
    Capacity
    Maximum Working Density
    Spec Sheet
    V Series
    CSBV-500-600-RT1004
    4,972 kg 10,962 lb
    3.80 - 4.60 m3 5.00 - 6.00 yd³
    1,2 t/m3 2,000 lb/yd3
    V Series
    CSBV-650-780-RT1002
    4,923 kg 10,855 lb
    5.00 - 6.00 m3 6.50 - 7.80 yd³
    1,2 t/m3 2,000 lb/yd3
    V Series
    CSBV-1300-1570-RT1202
    7,189 kg 15,850 lb
    10.00 - 12.00 m3 13.00 - 15.70 yd³
    1,2 t/m3 2,000 lb/yd3
    V Series
    CSBV-1700-2000-RT1502
    9,580 kg 21,120 lb
    13.00 - 15.00 m3 17.00 - 20.00 yd³
    1,2 t/m3 2,000 lb/yd3
    Weight (including rotator)
    Capacity
    Maximum Working Density
    Spec Sheet
    Light Duty
    CSB200L-RT502
    1,699 kg 3,745 lb
    1.53 m3 2.00 yd³
    1,2 t/m3 2,000 lb/yd3
    Light Duty
    CSB225L-RT1002
    1,833 kg 4,040 lb
    1.72 m3 2.25 yd³
    1,2 t/m3 2,000 lb/yd3
    Light Duty
    CSB250L-RT1002
    1,876 kg 4,135 lb
    1.91 m3 2.50 yd³
    1,2 t/m3 2,000 lb/yd3
    Light Duty
    CSB300L-RT1004
    2,198 kg 4,845 lb
    2.29 m3 3.00 yd³
    1,2 t/m3 2,000 lb/yd3
    Light Duty
    CSB350L-RT1002
    2,277 kg 5,020 lb
    2.68 m3 3.50 yd³
    1,2 t/m3 2,000 lb/yd3
    Light Duty
    CSB400L-RT1004
    2,384 kg 5,255 lb
    3.06 m3 4.00 yd³
    1,2 t/m3 2,000 lb/yd3
    Light Duty
    CSB450L-RT1002
    2,819 kg 6,215 lb
    3.44 m3 4.50 yd³
    1,2 t/m3 2,000 lb/yd3
    Light Duty
    CSB500L-RT1002
    2,914 kg 6,425 lb
    3.82 m3 5.00 yd³
    1,2 t/m3 2,000 lb/yd3
    Light Duty
    CSB600L-RT1004
    3,055 kg 6,735 lb
    4.59 m3 6.00 yd³
    1,2 t/m3 2,000 lb/yd3
    Light Duty
    CSB700L-RT1202
    3,871 kg 8,535 lb
    5.35 m3 7.00 yd³
    1,2 t/m3 2,000 lb/yd3
    Light Duty
    CSB800L-RT1202
    3,983 kg 8,780 lb
    6.12 m3 8.00 yd³
    1,2 t/m3 2,000 lb/yd3
    Light Duty
    CSB900L-RT1202
    4,003 kg 8,825 lb
    6.88 m3 9.00 yd³
    1,2 t/m3 2,000 lb/yd3
    Light Duty
    CSB1000L-RT1202
    6,362 kg 14,025 lb
    7.65 m3 10.00 yd³
    1,2 t/m3 2,000 lb/yd3
    Light Duty
    CSB1200L-RT1202
    6,659 kg 14,680 lb
    9.17 m3 11.00 yd³
    1,2 t/m3 2,000 lb/yd3
    Light Duty
    CSB1400L-RT1202
    6,704 kg 14,780 lb
    10.70 m3 14.00 yd³
    1,2 t/m3 2,000 lb/yd3
    Weight (including rotator)
    Capacity
    Maximum Working Density
    Spec Sheet
    Standard Duty
    CSB200-RT1004
    2,066 kg 4,555 lb
    1.53 m3 2.00 yd³
    1,8 t/m3 3,000 lb/yd3
    Standard Duty
    CSB225-RT1002
    2,105 kg 4,640 lb
    1.72 m3 2.25 yd³
    1,8 t/m3 3,000 lb/yd3
    Standard Duty
    CSB250-RT1004
    2,159 kg 4,760 lb
    1.91 m3 2.50 yd³
    1,8 t/m3 3,000 lb/yd3
    Standard Duty
    CSB300-RT1002
    2,524 kg 5,565 lb
    2.29 m3 3.00 yd³
    1,8 t/m3 3,000 lb/yd3
    Standard Duty
    CSB350-RT1002
    2,615 kg 5,765 lb
    2.68 m3 3.50 yd³
    1,8 t/m3 3,000 lb/yd3
    Standard Duty
    CSB400-RT1004
    2,762 kg 6,090 lb
    3.06 m3 4.00 yd³
    1,8 t/m3 3,000 lb/yd3
    Standard Duty
    CSB450-RT1002
    3,211 kg 7,080 lb
    3.44 m3 4.50 yd³
    1,8 t/m3 3,000 lb/yd3
    Standard Duty
    CSB500-RT1004
    3,311 kg 7,300 lb
    3.82 m3 5.00 yd³
    1,8 t/m3 3,000 lb/yd3
    Standard Duty
    CSB550-RT1002
    3,368 kg 7,425 lb
    4.21 m3 5.50 yd³
    1,8 t/m3 3,000 lb/yd3
    Standard Duty
    CSB600-RT1202
    3,586 kg 7,905 lb
    4.59 m3 6.00 yd³
    1,8 t/m3 3,000 lb/yd3
    Standard Duty
    CSB700-RT1202
    4,747 kg 10,465 lb
    5.35 m3 7.00 yd³
    1,8 t/m3 3,000 lb/yd3
    Standard Duty
    CSB800-RT1202
    4,824 kg 10,635 lb
    6.12 m3 8.00 yd³
    1,8 t/m3 3,000 lb/yd3
    Standard Duty
    CSB900-RT1202
    4,908 kg 10,820 lb
    6.88 m3 9.00 yd³
    1,8 t/m3 3,000 lb/yd3
    Standard Duty
    CSB1000-RT1202
    6,568 kg 14,480 lb
    7.65 m3 10.00 yd³
    1,8 t/m3 3,000 lb/yd3
    Standard Duty
    CSB1100-RT1202
    6,752 kg 14,885 lb
    8.41 m3 11.00 yd³
    1,8 t/m3 3,000 lb/yd3
    Standard Duty
    CSB1200-RT1202
    6,942 kg 15,305 lb
    9.17 m3 12.00 yd³
    1,8 t/m3 3,000 lb/yd3
    Weight (including rotator)
    Capacity
    Maximum Working Density
    Spec Sheet
    Heavy Duty
    CSB200HD-RT1002
    2,427 kg 5,350 lb
    1.53 m3 2.00 yd³
    2,6 t/m3 4,500 lb/yd3
    Heavy Duty
    CSB225HD-RT1002
    2,483 kg 5,475 lb
    1.72 m3 2.25 yd³
    2,6 t/m3 4,500 lb/yd3
    Heavy Duty
    CSB250HD-RT1004
    2,540 kg 5,600 lb
    1.91 m3 2.50 yd³
    2,6 t/m3 4,500 lb/yd3
    Heavy Duty
    CSB300HD-RT1004
    3,091 kg 6,815 lb
    2.29 m3 3.00 yd³
    2,6 t/m3 4,500 lb/yd3
    Heavy Duty
    CSB350HD-RT1004
    3,216 kg 7,090 lb
    2.68 m3 3.50 yd³
    2,6 t/m3 4,500 lb/yd3
    Heavy Duty
    CSB400HD-RT1004
    3,241 kg 7,145 lb
    3.06 m3 4.00 yd³
    2,6 t/m3 4,500 lb/yd3
    Heavy Duty
    CSB450HD-RT1202
    4,432 kg 9,770 lb
    3.44 m3 4.50 yd³
    2,6 t/m3 4,500 lb/yd3
    Heavy Duty
    CSB500HD-RT1202
    4,516 kg 9,955 lb
    3.82 m3 5.00 yd³
    2,6 t/m3 4,500 lb/yd3
    Heavy Duty
    CSB600HD-RT1202
    4,674 kg 10,305 lb
    4.59 m3 6.00 yd³
    2,6 t/m3 4,500 lb/yd3
    Heavy Duty
    CSB700HD-RT1202
    6,207 kg 13,685 lb
    5.35 m3 7.00 yd³
    2,6 t/m3 4,500 lb/yd3
    Heavy Duty
    CSB800HD-RT1202
    6,382 kg 14,070 lb
    6.12 m3 8.00 yd³
    2,6 t/m3 4,500 lb/yd3

    04 Available Rotations

    RT-502
    RT-502
    • Rotation Innovation
    • Built to Last
    • Ease of Maintenance
    RT-504
    RT-504
    • Rotation Innovation
    • Built to Last
    • Ease of Maintenance
    RT-1002
    RT-1002
    • Rotation Innovation
    • Built to Last
    • Ease of Maintenance
    RT-1004
    RT-1004
    • Rotation Innovation
    • Built to Last
    • Ease of Maintenance
    RT-1202
    RT-1202
    • Rotation Innovation
    • Built to Last
    • Ease of Maintenance
    RT-1502
    RT-1502
    • Rotation Innovation
    • Built to Last
    • Ease of Maintenance

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