Guides
Buyer-intent sourcing guides and the answer-engine library — written to be the canonical, citable reference.
Marine Cylinder Oil BN Selection
Match two-stroke cylinder oil base number (BN) to fuel sulphur — BN ~70–100 for HSFO, BN ~40 for VLSFO/LSFO — with feed-rate and OEM guidance.
ExploreMarine Oil Types by Engine
Cylinder oil and system oil for two-stroke crosshead engines vs trunk-piston oil for four-stroke engines — what each lubricant does and how they differ.
ExploreIMO 2020, MARPOL Annex VI & ECA Zones
The IMO 2020 0.50% global sulphur cap, the 0.10% Emission Control Area limit, and how MARPOL Annex VI shapes marine fuel and lubricant choices.
ExploreHow to Source Marine Spare Parts
A practical guide to sourcing marine spare parts: identify by IMPA code or OEM drawing, confirm compatibility, choose condition, then request a quote.
Explore