Marine Diesel Engines

Marine propulsion and auxiliary engines for commercial vessels, fishing boats, and workboats

Marine environments demand corrosion-resistant, salt-water cooled engines with proven reliability. DCS supplies marine-rated diesel engines from 200 HP compact units (Yanmar 6LT580) to 1,400 HP heavy-duty powerplants (Cummins KTA38-M), covering fishing vessels, cargo ships, tugs, and offshore support craft. All marine engines comply with IMO Tier II/III emission standards. Our marine parts catalog includes heat exchangers, sea water pumps, injectors, and complete overhaul kits.

Frequently Asked Questions

What marine engines does DCS supply?
DCS stocks Cummins KTA38-M (900-1400 HP), KTA19-M (450-700 HP), 6CTA (220-300 HP) for commercial vessels, and Yanmar 6LT580 (200-270 HP) for fishing boats and small workboats.
Are DCS marine engines IMO compliant?
Yes. All marine engines from DCS meet IMO Tier II standards. Select Cummins QSK and Yanmar models are available in IMO Tier III configurations with SCR aftertreatment for emission-controlled areas (ECAs).

Need Parts for Your Equipment?

Tell us your equipment model and application — we'll recommend the right engine parts.

Get a Quote
Marine Diesel Engines | Dieselcore Supply