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Sub Dimension Engineering Co Ltd are a British Owned & operated, Specialist Submarine Engineering Company. We buy & sell New & Used Submarines, ROVs (Remote Operated Vehicles) & Remote Operated Subsea Trenching Vehicles. We have Submarines For Sale to meet Every Requirement.  We can offer All Electric, Hydro-Electric Submarines & a Comprehensive Range of Work Class ROVs available for Sale & Lease!        We Have Submarines for Sale to meet your Every Requirement!  Click on your Download Buttons below, for Further Details!

The SDE49-75 is a W Sub MK III Tourist Submarine.  Specifically deigned for Submarine Tourism.  The W Sub MK III is possibly the most luxurious of all large scale Tourist Submarines ever built.  It is designed to carry 46 paying passengers & 3 crew.  The submarine has 22 x 760mm diameter flat side view ports & 2 hemispherical 1450mm diameter viewports at the forward & aft ends of the hull. The cabin diameter is a spacious 2m diameter resulting in a comfortable & non-claustrophobic environment.  SDE49-75 submarines are rated to a depth of 75m (250 ft) & has battery capacity for around 10 x 1 hour dives (Subject to local operating conditions).

We have 2 x SDE26-100,  Tourist Submarines Available For Sale.  This is  a used unit.  Classed as a medium size Tourist Submarine.  Designed to carry 24 paying passengers & 2 crew, the submarines have 12 x 600mm diameter flat side view ports &  forward mounted 1000mm hemispherical for pilot use. The cabin diameter is a spacious 2m diameter resulting in a comfortable, non-claustrophobic environment.  The submarines are rated to a depth of 100m (330 ft) & have battery capacity for around 10 x 1 hour dives (Subject to local operating conditions).  This submarine is pre-owned & is currently undergoing a major refit.  This unit will be sold in ready to operate condition.  The SDE26-100 is transportable utilizing a standard 40′ shipping container.

We have 2 x SDE26-100,  Hydraulic-Electric Tourist Submarines Available For Sale.  The SDE26-100 is classed as a medium size Tourist Submarine.  It is designed to carry 24 paying passengers & 2 crew.  The submarines have 12 x 600mm diameter flat side view ports &  forward mounted 1000m hemispherical for pilot use. The cabin diameter is a spacious 2m diameter resulting in a comfortable & non-claustrophobic environment.  The submarines are rated to a depth of 100m (330 ft) & has battery capacity for around 10 x 1 hour dives (Subject to local operating conditions).  This submarine is brand new & unfinished.  This unit will be completed, classed & sold in ready to operate condition.

The SDE16-100 is a Pre-Owned but luxurious example of a small scale, all electrical, Tourist Submarine.  Specifically designed for Submarine Tourism.  The SDE16-100 has the largest viewports for a submarine of its class ever built.  It is designed to carry 14 paying passengers & 2 crew.  The submarine has 8 x 800mm diameter hemispherical side view ports & 1 hemispherical 1500mm diameter forward viewport. The hemispherical side viewports afford an excellent view, particularly in the downward direction. The pressure hull diameter is 2100mm diameter, which is exceptional for a submarine of this size.  The submarine is rated to a depth of 100m (330 ft) & has battery capacity for around 10 x 1 hour dives (Subject to local operating conditions).  The submarine employs 8 identical thrusters in the longtitudenal, vertical & lateral axes.  This submarine requires an extensive refit & will be available in “As New’ condition.

The SDT16-100 is a Pre-Owned, Custom built Tourist Submarine. Designed by Jaques Piccard, son of the famous oceanographer & submariner August Piccard & built by Sulzer Bros of Switzerland.  The SDT16-100 has probably the highest build quality of any Tourist Submarine in its class.  Originally built to ply Submarine Tourism in the Lakes of Switzerland, the SDT16-100 can carry 14 paying passengers & 2 crew & is considered to be a medium scale Tourist Submarine.   The SDT16-100 submarine has 8 x 800mm diameter hemispherical side view ports & 1 hemispherical 1800mm diameter pilots’ viewport at the forward end of the hull. The cabin diameter is a spacious 1.8m internal diameter resulting in a comfortable & non-claustrophobic environment.  The submarine is rated to a depth of 100m (330 ft) & has battery capacity for around 10 x 1 hour dives (Subject to local operating conditions).

The SDE11-100 is a New Build 10 Passenger plus 1 crew Tourist Submarine.  Designed specifically for Submarine Tourism with a design based loosely on the SDE16-100 concept.  The SDE11-100 Tourist Submarine is available in bespoke custom configurations to meet the individual requirements of the customer.  It is designed to carry 10 paying passengers & 1 crew.  The submarine has 6 x 800mm diameter flat side view ports & 1 hemispherical 1500mm diameter viewport at the forward end of the hull. The cabin diameter is a spacious 2100mm diameter.  The submarine is rated to a depth of 100m (330 ft).

SportSub Nemo is an entry level, 3 person, swim in, Wet Sub.  Rated to 40m (130′),  Its Funky appearance belies a sophisticated design.  It incorporates fly by wire joystick, Electronic Bouyancy Control & Electrical Systems Monitor.  Optional extras include Thru Water Communications, Expanded Air Supply & Lights.  Safety is the Primary design feature of the SportSub.  Its buoyancy distribution ensures that it always remains upright & it will happily  sit on the seabed, for passengers to take an outside excursion.  A commercial version ‘ResortSub’ is available with increased battery capacity & more comprehensive instrumentation.  Operator training courses are available.  SCUBA certification is required.  Can be deployed by trailer, dock crane or from a Yacht by davit.  

Dive to depths of up to 500 meters from almost any yacht. The Deep Submarine, Super Yacht Sub 3 – 500LX offers yacht owners the opportunity to dive in comfort and style to great depths. This ultimate superyacht submersible has a luxurious and spacious interior, which houses customised leather seats, powerful air-conditioning, a hi-fidelity surround system, and even chill your favourite drinks in a cold-storage box.

Depth 500 meters:     Occupants 1 pilot, 2 passengers:     Endurance 16 hours:     Speed 3 knots:     Weight 4,100 kg:     Length 313 cm:

Width 285 cm:     Height 185 cm:     Battery capacity 32 kWh:     Propulsion 4 x 5.5 kW + 2 x 6.4 kW:

The high-performance Cruise Sub 7 – 1140,   The revolving interior offers many advantages to private explorers and researchers alike.  Optional extras including a robotic manipulator or sampling arm, a 4K underwater camera system or scientific kits can be installed on both sides of this submersible.

Depth 1,140 meters:     Occupants 1 pilot, 6 passengers:     Endurance 18 hours:     Speed 3 knots:     Weight 14.500 kg:     Length 520 cm:

Width 330 cm:     Height 250 cm:     Battery capacity 62 kWh:     Propulsion 6 x 5.5 kW + 2 x 6.4 kW

The C-Researcher 2 – 3000 is capable of diving to depths of 3,000 meters with one pilot and one passenger.  This state-of-the-art private submarine has 62 kWh of battery capacity, which is twice the capacity of any other submersible in its class.

Depth 3,000 meters:     Occupants 1 pilot, 1 passenger:     Endurance 18 hours:     Speed 3 knots:     Weight 9,960 kg:     Length 381 cm:

Width 336 cm:     Height 250 cm:     Battery capacity 62 kWh:     Propulsion 4 x 5.5 kW + 2 x 6.4 kW.

The Barracuda SDV-4 is designed to transport 4 combat swimmers to remote locations on covert missions to include, surveillance, infiltration, mine clearance & mine laying. The system is designed to be ultra quiet with a very low radar signature when surfaced.

The onboard mission computer runs the sonar, navigation, depth sounder & displays zoom and low light camera system video. The onboard hydro-acoustic telemetry modem transducer, allows coded transmission of digital mission data between SDV units whilst submerged, such as navigational information, chart details, mission instructions etc, thus reducing the requirement for voice communications via UQC.