Tools & Resources
11 calculators and finders to size, identify and choose the right gear — each built on the manufacturers' own published data — plus the guides that explain the how and why. Figure it out here, then send us a pre-specced enquiry.
Sizing & selection calculators
Tell it about your boat or engine and it works out the right size or model — using the manufacturers' own published methods.
Thruster size calculator
Boat length, windage and the wind you berth in — get the thrust (kgf) you need and the matching Vetus models.
Open toolAnchoring & ground-tackle planner
Your boat and where you anchor — get the right Maxwell windlass and anchor, plus chain and rope by the metre.
Open toolHeat exchanger & cooler selector
Pick what needs cooling and enter the power — get the matching Bowman cooler, sized on the published ratings.
Open toolEngine mount & coupling selector
Engine weight and shaft size — get the Vetus mounts inside their load window and the right Bullflex coupling.
Open toolExhaust hose & waterlock sizer
Engine power and hose run — get the minimum hose diameter and waterlock capacity, by Vetus' own formula.
Open toolSteering kit selector
Outboard, sterndrive, inboard or jet, plus the horsepower — see every Hydrive kit rated for your boat.
Open toolPart finders & cross-reference
Identify or look up a specific part by its number, its measurements, or the engine it fits.
Impeller finder & cross-reference
Search 100+ Jabsco, Johnson and Sherwood impellers by part number, measurements or engine — with the brand cross-references.
Open toolCutlass bearing finder
Match your shaft and housing to the right Exalto bearing across 200+ imperial and metric sizes in four shell materials.
Open toolShaft seal size finder
Find your PSS dripless seal by shaft size, with the full Type A dimension table and part numbers.
Open toolExplore & compare
Not sure where to start? These narrow things down by vessel type, or line options up side by side.
Guides & reference
The how and the why behind the tools — written from the manufacturers' data and decades on the counter.
Choosing & sizing
Measuring & identifying
Tool got you most of the way? Let's finish the job.
Every tool ends in an enquiry that carries your result, so the quote comes back already specced. Or just call — after 60+ years on the Mornington Peninsula, there's not much marine gear we haven't sized.