QSK50

QSK50

QSK50

Product catalog summary
Overview: The document provides detailed specifications and features of the QSK50 marine propulsion and auxiliary engines, designed for both commercial and recreational applications. It includes power ratings, general specifications, and features and benefits of the engine.
Power Ratings: The QSK50 engine models offer variable and fixed speed options with power outputs ranging from 1268 kW to 1641 kW for variable speed and 1290 kW to 1628 kW for fixed speed. The engines comply with various emissions standards including IMO Tier II, EPA Tier 3, and EU Stage IIIa.
General Specifications: The engine is a V-16 cylinder, 4-stroke diesel with a displacement of 50 liters. It features a turbocharged and aftercooled aspiration system, a high-pressure common rail fuel system, and a counterclockwise rotation facing the flywheel. The engine dimensions and weight are provided, with variations based on configuration.
Features and Benefits: The engine design incorporates reliable components from previous models, offering durability and long life. The modular common rail fuel system ensures constant high injection pressure, reducing noise and vibration. The cooling system includes a two-pump, two-loop design for efficiency. The exhaust system offers flexible installation options, and the air system is optimized for marine conditions. The lubrication system includes standard and high-capacity oil pans with accessible filters. Electronics feature a 24v Quantum System for monitoring and diagnostics.
Certifications: The engines meet international emissions regulations and are designed to comply with IACS and SOLAS requirements. Optional equipment includes C Command panels, oil filtration systems, and various mounting arrangements.
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Catalog excerpts

QSK50-1

Configuration Aspiration Displacement Bore & Stroke Rotation Fuel System Output Power kW MHP BHP Engine Model QSK50 Marine Propulsion and Auxiliary Engines for Commercial and Recreational ApplicationsGeneral Specifications V-16 cylinder, 4-stroke diesel Turbocharged / Aftercooled 50 L (3068 in3) 159 X 159 mm (6.25 X 6.25 in) Counterclockwise facing flywheel High Pressure Common Rail Overall Length mm (in) Length of Block mm (in) Overall Width mm (in) Overall Height mm (in) Dimensions and weight may vary based on selected engine configuration. Power Ratings Fuel Consumption Emissions Rating Definition Rated Speed ISO* IMO EPA EU RCD Variable Speed Fixed Speed * Average fuel consumption based on ISO 8178 E3 Standard Test Cycle (variable speed models) and ISO 8178 D2 Standard Test Cycle (fixed speed models) ** Contact your local Cummins distributor to discuss product details and availability

 Open the catalog to page 1
QSK50-2

Features and Benefits Engine Design - Reliable base engine uses common components from the proven K19, K38 and K50 engines. A new cast-iron, ductile single-piece piston with nitride-coated rings and hardened cylinder liner provides excellent durability and long life Fuel System - Modular Common Rail Fuel System features a simplified design which provides constant high injection pressure regardless of engine speed or load condition. Benefits include low noise and vibration for quiet operation, idle stability and low-end torque Cooling System - Two-pump, two-loop, low temperature aftercooling maximizes...

 Open the catalog to page 2
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.