Servogear
Ecoflow Propulsor
Complete aft-body package of CPP, effect rudder, propeller tunnel, shaft brackets and gearbox for 20-50 knot vessels.
Maritime Propulsion Products
711 products, page 22 of 30
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Servogear
HDE 220 hybrid gearbox
Lightweight hybrid gearbox with AL-7075-T6 aluminium casing and integrated pitch actuation, 900 kW input at 2,250 rpm.
Servogear
Servogear HD gearboxes
Cast-iron reduction gearboxes in H-, U- and PTI-gear configurations with integrated CPP servo, ratios 2.1:1-5.0:1.
Shaanxi Diesel Engine Heavy Industry (SXD)
Everllence / SEMT Pielstick PA6, PC2 (licensed)
Licence-built Pielstick PA6 and PC2 medium-speed diesels for Chinese naval propulsion, including Type 054A frigates.
Shaanxi Diesel Engine Heavy Industry (SXD)
Everllence 4-stroke (licensed)
Everllence-designed four-stroke engines built under licence for merchant propulsion and gensets.
Sharrow Marine
Sharrow MX
Looped-blade toroidal propeller for outboards and sterndrives; the company claims no tip vortex, less vibration and 10–30% more range.
Sharrow Marine
Sharrow VEEM inboard propellers
Toroidal propellers for inboard-powered boats and yachts in 20–25 in and 26–55 in size ranges, developed with VEEM.
Shift Clean Energy
PwrSwäp
Pay-as-you-go battery service in which vessels exchange ePod cartridges at automated stations; storage is sized per trip.
Shift Clean Energy
Fixed battery systems (PwrPak / PwrCube)
Modular liquid-cooled marine ESS built from 6.6–9.1 kWh IP67 modules (77–100 VDC) with up to 15,000 cycles.
Siemens Energy
SiShip BlueDrive PlusC
Integrated variable-speed diesel-electric propulsion system with battery integration for ferries, offshore and special-purpose vessels.
Siemens Energy
Shaft generator systems (PTI/PTO)
Low- and medium-voltage shaft generator systems providing power take-off and power take-in on mechanically propelled ships.
Siemens Energy
Electric propulsion drives & motors (Drive LV / Drive MV / Permasyn)
Diesel-electric propulsion drives up to 5,500 kW at 690 V per propeller (Drive LV), MV AC drives and Permasyn PM motors for submarines.
Siemens Energy
BlueVault
Marine lithium-ion energy storage for all-electric and hybrid ferries, offshore vessels and hybrid plants, integrated with BlueDrive.
Silverstream Technologies
Silverstream System
Microbubble air carpet under the flat bottom; 5–10% net fuel savings claimed; newbuild or ~10-day retrofit.
SKF
Simplex-Compact stern tube seals
Oil-lubricated Simplex stern tube seals for propeller shafts of merchant, cruise and naval ships.
SKF
Simplex shaft-line bearings and stern tube systems
Hydrodynamic shaft-line bearings and complete stern tube systems, including Simplex FlexiTube and BlueRun solutions.
SKF
SKF OK couplings and fin stabilisers
SKF OK shaft and flange couplings for propeller shaft lines, plus retractable and non-retractable fin stabilisers.
Sleipner Group
Side-Power eVision tunnel thrusters
Proportional PM-motor tunnel thrusters from 100 to 420 kg thrust on 24 V or 48 V, for boats from about 39 ft upwards; classic SE on/off range also offered.
Sleipner Group
Side-Power hydraulic thrusters
Hydraulically driven tunnel thrusters for larger yachts and workboats that need continuous-duty manoeuvring.
Sleipner Group
External and retractable thrusters
Retractable eVision thrusters (100–300 kg, 24/48 V), classic SR80/SR100 retractables (12/24 V) and external stern thrusters.
Smart Green Shipping
FastRig
Lightweight, autonomous, stowable rigid wingsail for retrofit on bulkers and tankers; validated in 2024–25 sea trials.
Smart Green Shipping
FastRoute
Route-optimisation software that plans voyages to make the most of FastRig wind propulsion.
Smart Green Shipping
FastReach
Leasing model for FastRig with performance guarantees and maintenance included.
Steerprop
Steerprop CRP
Contra-rotating azimuth propulsors of 500-16,000 kW, up to PC2 ice class, with Z-drive or integrated PM motor.