Find the right machine for your water maintenance needs
BERKY Machine Comparison
NEREUS, TRITON, or POSEIDON - which one suits you best?
Selecting the right machines for water maintenance is often a complex task. Each model has its own strengths and areas of application. With our direct comparison of NEREUS, TRITON, and POSEIDON, you can get a clear overview of which solution suits your requirements in just a few minutes. This saves time in the decision-making process and gives you confidence in your investment.
BERKY NEREUS
The BERKY NEREUS series is a compact, maneuverable workboat: The mowing boats enable precise operations in canals, ditches, ponds, lakes, and harbors and are available for purchase or rent.
BERKY TRITON
The BERKY TRITON series is a versatile aquatic weed harvester: They cut aquatic plants, collect trash and debris, and combine several work steps into one solution.
BERKY Poseidon 770
The BERKY POSEIDON 770 is the most powerful model: An amphibious multipurpose dredger that combines several specialized machines in one solution with versatile attachments.
BERKY NEREUS, TRITON and POSEIDON
A comparison of machines for water maintenance
Not every body of water has the same requirements. To help you quickly find the right solution for your water maintenance needs, we have summarized the key features of our three models in a compact overview.
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Criteria | BERKY NEREUS | BERKY TRITON | BERKY POSEIDON |
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Areas of application |
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Applications |
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Performance |
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Operation | Easy to use, quickly ready for operation | Easy to use, efficient in dense vegetation | complex control and functions |
Suitable for | Municipalities, fishing clubs, managers of small bodies of water | Cities, water authorities, managers of large lakes and ports | Industry, port authorities, managers of major infrastructure projects |
BERKY NEREUS
Areas of application
Narrow waters, ponds, small lakes, yacht harbors
Applications
Mowing & collecting, desludging, demolition & clearing work
Operation
Easy to use, maneuverable, quick to set up
Suitable for
Local authorities, fishing clubs, managers of small bodies of water
BERKY TRITON
Areas of application
Recreational lakes & reservoirs, retention basins, rivers & canals, harbors
Applications
Mowing & collecting, waste disposal, cleaning larger lakes & harbors
Operation
Comfortable control, efficient in dense vegetation
Suitable for
Cities, water authorities, managers of larger lakes & harbors
BERKY POSEIDON
Areas of application
Rivers & canals, ports, large lakes, retention basins, tailing dams
Applications
Removal of heavy or deep-rooted vegetation, desludging, demolition & clearance work, suction dredging & excavation work, drilling, and large-area maintenance
Operation
Professional control, complex functions
Suitable for
Industry, port authorities, managers of large infrastructure projects
How to find the right machine for your water maintenance
Mowing boat, aquatic weed harvester or dredger

Unsure about which model to choose? Find the right BERKY -solution in just a few steps
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Similarities between our machines used for water maintenance
At a glance:
Developed for professional water maintenance
Robust and durable: reliable operation even under heavy loads
Versatile applications: lakes, rivers, canals, shorelines
Flexible thanks to attachments: mowing, collecting, removing sediment
All three machines have been specially developed for professional water maintenance and care. Thanks to their robust construction and high operational reliability, they work safely even under demanding conditions. All models can be flexibly equipped with various implements, offering a wide range of possible applications, whether on lakes, rivers, or canals.
The advantages of our versatile machine solutions for water maintenance
Flood prevention and safety
Our machines ensure water drainage by removing debris, sediments, and vegetation, reducing flood risks and thus making an important contribution to flood prevention.
Sustainable water maintenance
The machines improve water quality in the long term, prevent silting, promote ecological balance, and ensure that water bodies and facilities retain their value.
Flexible use & cost-effectiveness
Our machines are available for purchase or rent, are suitable for municipalities, water boards, port authorities, and industrial projects, and often replace several specialized machines in a single device.
Efficiency in use
The machines combine several work steps in a single pass, offer high capacity for large areas or dense vegetation, and thus save time, costs, and personnel resources.
Our successes in water maintenance
The mowing boats and amphibious dredgers in action

Sustainable Pond Cleaning
The BERKY NEREUS 240 AMPHI was used for sustainable pond cleaning and efficiently reduced the formation of reeds in the water.

Mower collection boat BERKY TRITON 550 for the city of Nuremburg
On 18.08.22 our mower collection boat / weed harvester BERKY TRITON 550 was put into operation.

Remediation of old industrial sites: Removal of contaminated sludge
In Åsbro, Sweden, ProGroupe used the BERKY POSEIDON 770 to remove 16,000 m³ of contaminated sediment, restoring water quality with GPS-guided dredging and geotextile filtration technology.
FAQ - Water maintenance
Questions and answers about our machines
Can the machines be adapted to specific requirements?
Yes, various attachments allow all models to be flexibly expanded, from mowers to dredgers.
How do mowing boats differ from aquatic weed harvester?
Mowing boats primarily cut vegetation, while the aquatic weed harvester can also collect and transport biomass.
Can the machines also be used in flowing waters?
Yes, all machines are designed for different flow conditions depending on the model.
How deep can the machines operate?
Cutting depths and working ranges vary depending on the model. More detailed data can be found in their technical specifications.
How much maintenance is required?
All machines are robustly built. While the NEREUS requires very little maintenance, the TRITON and POSEIDON require regular professional maintenance for maximum performance.
Can the machines also remove trash or flotsam?
Yes, our aquatic weed harvesters and the POSEIDON in particular are designed for removing floating debris and waste.
Is training required to operate the device?
We recommend training. The controls are user-friendly, but more comprehensive training is advisable for the POSEIDON.
Can the boats also be used in winter or when there is heavy vegetation?
Yes, the robust design allows for use in various conditions, even in dense vegetation.
Do you offer after-sales support?
Yes, BERKY offers comprehensive service, spare parts supply, and project support, both nationally and internationally.
Are there leasing or rental options?
Yes, the machines can also be rented for many projects. You can find out more about this in our Rent-a-BERKY section.
How soon will the machines be ready for use?
All models can be transported quickly and are ready for operation within a short time.
Find the right BERKY -solution in just a few steps
With your answers, we can quickly find the best solution for you!
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