Mechanical Dredgers





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  • CAT 336 Excavator for Mechanical and Hydraulic Dredging

    CAT 336 Excavator for Mechanical and Hydraulic Dredging

    • 240902-CP
    • Location: Florida

    Long reach CAT 336 excavator with clamshell and grapple for mechanical dredging, and a 8″ hydraulic pump for hydraulic dredging. Can dredge up to 45′ underwater. Sold with vessel linked below. Must be purchased with 160 ft. Crew Boat 240807-VO.   With purchase of vessel this creates a turnkey dredging system or vessel only for $1,150,000. Price…

  • 4 m3 Grab Bucket Dredger w/ Liebherr HS 853 45-tonne Crane

    4 m3 Grab Bucket Dredger w/ Liebherr HS 853 45-tonne Crane

    • 442,000 EUR
    • 220701-DG
    • Location: Germany

    Liebherr HS 853 HD excavator powered by V 8 cylinder diesel engine with a power rating of 400kW @ 1900 rpm. The crane has a max boom length of 29.0 m and min length of 11.0 m. Max capacity is 5.1 T @ 28.0 m reach. Bucket capacity is 4.0 m3. The barge is 28.0…

  • Amphibious Combination Dredger / Twin Sisters Available

    Amphibious Combination Dredger / Twin Sisters Available

    • 561,000 EUR
    • 230400-DM
    • Location: Baltic

    Classified for inland water use only. Equipment is suitable for use on land and in water. One vessel has operated for up to 400 working hours and the 2nd is new. The Vessel has a dredging depth of 6 m and a bucket size of 0.8 m3. Sand pump output diameter is 200 mm and…

  • Excavator Dredge Based on P-944 Excavator

    Excavator Dredge Based on P-944 Excavator

    • 312,000 EUR
    • 200704-DE
    • Location: Germany

    Pontoon F 600 with Pontoon Excavator P 944. Excavator has 2 buckets – 5.6m3 and 2.1 Pontoon length is 22.0 m (72-ft), width of 7,48 m (24.5-ft) and max flotation depth of 1,10 m (26-inches). Spuds has a length of 8.5 m (28-ft) however there is a 2m bolt in section that extends the spud…

  • 4 m3 Power Shovel Type Excavator Dredger

    4 m3 Power Shovel Type Excavator Dredger

    • 1,786,000 USD
    • 210906-DE
    • Location: Baltic Sea

    The dredger was built in 1977 in Japan. It’s classifications is Russian River Register (O-PR 2.0 (Ice 20) and has a navigation area of < 20 miles from a shore. Its dredging depth is 3-20m. Total power is 1530 kW. Gross tonnage is 1,099 and Deadweight is 400t. Location: Baltic Sea General Year Built: 1977…

  • 6 m3 Grab Bucket Dredger w/ Mitsubishi S6N-MPTA Crane

    6 m3 Grab Bucket Dredger w/ Mitsubishi S6N-MPTA Crane

    • 270,000 EUR
    • 210909-DG
    • Location: Europe / N Africa

    6 m3 Grab Bucket Dredger was built in 1976. The dredge has a length of 33.62 m, a breadth of 15.0 m and depth of 2.50m. The crane is a SKK 570 GDX-F with a capacity of 100 tons. Boom length is 28.0 m. Dredging capacity is 570 m3/h. The main engine is a 145hp…

  • 6 m3 Grab Bucket Dredger w/ Mitsubishi 8DC-61C Crane

    6 m3 Grab Bucket Dredger w/ Mitsubishi 8DC-61C Crane

    • 270,000 EUR
    • 210910-DG
    • Location: Europe / N Africa

    6 m3 Grab Bucket Dredger was built in 1988. The dredge has a length of 33.62 m, a breadth of 16.0 m and depth of 2.50 m. The crane is a P & H FD600 with a capacity of 85 tons. Boom length is 32.0 m. Dredging capacity is 480 m3/h. The main engine is…

  • 5 m3 Komatsu PC800 Excavator Dredger

    5 m3 Komatsu PC800 Excavator Dredger

    • 4,000,000 EUR
    • 200411-DE
    • Location: Cuba

    Multi-functional pontoon with new Komatsu PC800 boom excavator. Full under Bureau Veritas class well maintained by owners. The dredger is 44m (144.4-feet) in length with a breadth of 11.38m (37.4-feet) and 4 stabilizing spuds. The excavator is a Komatsu PC800 and was built in 2018. The excavator has a dredging depth of 15m (49-feet) and…

  • 337 Bobcat Excavator mounted on Amphibious Undercarriage

    337 Bobcat Excavator mounted on Amphibious Undercarriage

    • 87,500 USD
    • 180124-DE
    • Location: Texas

    This 337 Bobcat Excavator mounted on Amphibious Undercarriage was built in 2009 and currently has 5,274 runtime hours. The undercarriage is constructed of Corten steel with coal tar paint on the outside and inside of the pontoons. It has stainless steel inspection plugs, hydraulic lines and cylinders. It is also equipped with keyless ignition and…

  • 950 m3 Self-Propelled Split Hopper Barge w/ 6.5 m3 Grab

    950 m3 Self-Propelled Split Hopper Barge w/ 6.5 m3 Grab

    • 160126-BS
    • Location: Gulf of Mexico

    This 950 m3 Self-Propelled Split Hopper Barge w/ 6.5 m3 Grab was built in 2006 and the Classification Society is Inspeccion de Buques de la Direccion General de la Marina Mercante (Spanish Local Class). The vessel was last dry docked in the summer of 2015 for approx. 80/90 days in Spain. New navigation equipment was…

  • SOLD: 16-tonne Floating Crane and Grab Dredger

    SOLD: 16-tonne Floating Crane and Grab Dredger

    • 477,000 EUR
    • 230203-DG
    • Location: Germany

    Floating Crane built in 1989 with major repair to engines in 2021. The barge was built in 1990. Registered as Germany (ZSUK)”Unionszeugnis” gültig bis 27.10.2025. The barge is 32.0 m in length, 14.30 in width and has a depth of 3.0 m. Overall height is 9.20 m. The cranes is a Weserhütte W320 Caterpillar 6TB00262…

  • SOLD: 16 yd Clamshell Sand Mining and Processing Dredger

    SOLD: 16 yd Clamshell Sand Mining and Processing Dredger

    • 2,555,000 USD
    • 201204-DG
    • Location: Missouri

    Dredger has a 50 ton trolley hoist with a 16 yd electro-hydraulic bucket with 150 hp motor. Dredging depth of 200-ft. Hopper has automated feed gates to two main screens – TFO-261 double deck 6’x16′ Diester vibrating screens. Operators control room with Siemens-Toshiba electric controls and equipment including PLC and on board transformers. The dredge…

  • SOLD: 8.0 m3 (10.4 m2) Clamshell Dredge

    SOLD: 8.0 m3 (10.4 m2) Clamshell Dredge

    • 885,000 USD
    • 170825-DG

    This listing is for a 10.4/8.0 cu-yd Clamshell Dredge that was built in 1992. It can be used as a marine crane for piling and heavy lifting, as well as a dredge. Flag: Mexico Location: Mexico Principal Dimensions and Characteristics   Year Built: 1992   Hull Material: Steel   Length Over All: 41.80 m 137.13…

  • SOLD: 15 m3 Duty Cycle Bucket Dredge and 4000 cu/yd Dump Scow

    SOLD: 15 m3 Duty Cycle Bucket Dredge and 4000 cu/yd Dump Scow

    • 11,700,000 USD
    • 230103-DG
    • Location: New York

    The dredge hull was built in 1999. The crane was built in the 1960’s and had a complete rebuild 2021 and 2022. The dredge is a conventional configuration, all welded steel construction, single skin, non self-propelled deck barge which is outfitted for dredging operations. The vessel is set up to be worked on (3) spuds,…