K50 Marine Engine

Trusted performance backed by global support

• Designed to withstand the challenging conditions commercial marine operators often face
• IMO Tier II certified
• Covered by our comprehensive warranty
• Backed by Cummins global service network
• Built at Cummins Chongqing Engine Company (CCEC) in Chongqing, China

Features & Benefits

Engine Features

• Engine design – Low profile for ease of installation and service. Replaceable wet cylinder liners offer longer life and lower rebuild cost. Gallery cooled pistons for maximum durability.
• Fuel system – Cummins PT fuel system is mechanically operated with Step Timing Control (STC) to allow for smooth engine acceleration under load.
• Cooling system – Keel cooled or engine mounted plate heat exchanger for reduced installation cost and less maintenance. Spin-on Cummins water treatment filters for protection against cooling system corrosion.
• Exhaust system – Dry exhaust manifold with water shielding for reduced fuel consumption and improved performance.
• Air system – Marine grade air filters with air inlet restriction indicator. Twin Cummins turbochargers optimized for marine usage.
• Lubrication system – High Capacity 189 L (50 gal) marine grade oil pan. Cummins spin-on oil filter cartridge available handed for simplified service.
• Electronics – 24V standard electrical system and marine grade wiring harness.
• Certifications – Complies with IMO Tier 2 emissions regulations. EIAPPs and marine class certificates are available from China Classification Society (CCS). Consult your local Cummins professional for a complete listing of marine society approvals available for this engine.
• Standardized BOM – Engine is offered with limited options and certifications to drive competitive lead times and cost.