Independent reference
Marine diesel brands
What each brand is known for, what to check, and what to ask before buying or repowering. Marine Diesel Engines Australia sells nothing and recommends nobody — these pages describe ownership, not preference.
11 models trackedYanmarThe most common sailing-yacht auxiliary in Australian waters17 models trackedVolvo PentaBroad range across sail and power, plus integrated drive systems5 models trackedCumminsIndustrial-derived engines in motorboats and commercial vessels9 models trackedCaterpillarCommercial-weight engines, plus a large legacy fleet9 models trackedBeta MarineKubota-based auxiliaries, popular for repowers4 models trackedNanni DieselMarinised base engines for yachts and catamarans4 models trackedVetusMarinised engines alongside a broad marine systems range4 models trackedPerkinsA long-lived legacy fleet, plus current M-series engines2 models trackedJohn DeereIndustrial-derived engines in commercial vessels and motorboats4 models trackedDetroit DieselA legacy two-stroke fleet in older workboats and cruisers