Marine lubricants are branded, engine-maker-approved products, and getting the right grade to the right port matters as much as price. Seven Ocean arranges approved lubricant supply worldwide — engine oils matched to your fuel and unit, machinery oils for the systems around them, and the specialty and deck products that keep a vessel compliant and running. Browse the range by category below.
Cylinder, system and trunk-piston oils for 2-stroke and 4-stroke marine engines.
Marine Cylinder Oils
Liner & piston-ring lubrication for slow-speed 2-stroke main engines. BN matched to fuel sulphur.
Marine System & Crankcase Oils
Crankcase, crosshead-bearing and camshaft lubrication for 2-stroke crosshead engines. Low BN, SAE 30.
Marine Trunk Piston Engine Oils (TPEO)
Combined cylinder and crankcase oil for 4-stroke medium- and high-speed engines — gensets and medium-speed mains.
Hydraulic, gear, compressor, refrigeration and turbine oils for shipboard machinery.
Marine Hydraulic Oils
Power for hatch covers, deck cranes, steering gear, mooring winches and hydraulic power packs. ISO VG 32/46/68.
Marine Gear Oils
Load-carrying EP oils for main reduction gearboxes, deck machinery gearing and enclosed marine drives.
Marine Compressor Oils
Deposit-resistant oils for reciprocating and screw air compressors — main starting-air, control-air and service-air.
Marine Refrigeration Compressor Oils
Refrigerant-matched oils for reefer cargo plant, provision rooms and HVAC compressors — mineral, PAO and POE.
Marine Turbine Oils
Oxidation- and rust-inhibited circulating oils for steam/gas turbine sets, turbo-generators and turbocharger bearings.
Stern tube oils, EALs and greases for oil-to-sea interfaces and deck equipment.
Marine Stern Tube Oils & EALs
Stern-tube bearing lubrication and oil-to-sea interfaces (CPP, thrusters). Mineral or biodegradable EAL for VGP compliance.
Marine Greases
EP, water-resistant and high-temperature greases for wires, deck fittings, bearings, open gears and steering linkages.