Thursday, December 26, 2024

MERCRUISER QSB5.9-305

Model: 305 HP

Brand: CUMMINS

Certainly! Below is a comprehensive product specification listing for the marine engine MERCRUISER QSB5.9-305:


Product Specification Listing for MERCRUISER QSB5.9-305 Marine Engine

General Information:

  • Manufacturer: MerCruiser (a division of Mercury Marine)
  • Model: QSB5.9-305
  • Engine Type: Marine Diesel Engine
  • Environmental Standard Compliance: EPA Tier 3, IMO Tier II
  • Warranty: 2 years limited warranty

Engine Specifications:

  • Engine Configuration: Inline 6-cylinder
  • Displacement: 5.9 liters (359 cubic inches)
  • Bore x Stroke: 102 mm x 120 mm
  • Aspiration: Turbocharged and Aftercooled
  • Fuel System: High-Pressure Common Rail (HPCR)
  • Rated Power Output: 305 hp (227 kW) @ 2,800 RPM
  • Torque: 721 lb-ft (978 Nm) @ 2,000 RPM
  • Fuel Type: Diesel
  • Cooling System: Closed cooling system

Performance:

  • Maximum RPM: 2,800 RPM
  • Idle RPM: 600-800 RPM
  • Compression Ratio: 17.2:1
  • Dry Weight: 1300 lbs (590 kg)

Dimensions:

  • Length: 53.0 inches (1346 mm)
  • Width: 30.7 inches (780 mm)
  • Height: 37.8 inches (960 mm)

Fuel Consumption:

  • Full Load Specific Fuel Consumption (SFC): 0.300 lbs/hp-hour (182 g/kWh)
  • Idle Fuel Consumption: Estimated 1.0 gallons/hour (3.8 liters/hour)

Electrical:

  • Alternator: 12V, 140 amps
  • Starter Motor: 12V electric

Exhaust System:

  • Exhaust Type: Water-cooled exhaust manifold
  • Exhaust Outlet Size: 6 inches (152 mm)

Lubrication System:

  • Oil Capacity: 17.5 liters (18.5 quarts)
  • Oil Change Interval: 250 hours or annually, whichever comes first

Installation:

  • Mounting Type: Four-point isolation mounts
  • Flywheel Housing: SAE #3
  • Propeller Shaft Rotation: Counter-clockwise (from flywheel end)

Advanced Features:

  • Electronic Control Module (ECM): Provides comprehensive engine diagnostics and monitoring
  • Integrated Noise Reduction: Advanced engineering to minimize engine noise and vibration
  • Corrosion Resistance: Enhanced materials and coatings for superior saltwater resistance

Optional Accessories:

  • Digital Throttle & Shift (DTS): Offers smooth and precise control
  • SmartCraft™ Suite: Integrates engine data with other boat systems for enhanced monitoring and control
  • Exhaust Elbow Options: Multiple configurations available
  • **Engine Preheater: ** Facilitates easier cold starting in low temperatures

Compliance and Safety:

  • Certifications: US EPA, IMO, RCD
  • Safety Features: Automatic shutdown on critical fault detection (e.g., low oil pressure, high coolant temperature)

Application:

  • Ideal Uses: Commercial fishing boats, leisure crafts, patrol boats, and various other marine applications

Contact Information:

  • Supplier: Mercury Marine
  • Customer Service: 1-920-929-5040
  • Website: Mercury Marine

This specification sheet should provide a detailed summary of the features and technical aspects of the MERCRUISER QSB5.9-305 marine engine. Always consult the manufacturer or authorized dealer for the most accurate and up-to-date information.

[Product Type: Engine]

Product Specifications

Strokein 4.72 in
Stroke 120 mm (4.72in)
Rated Speed 2600 r/min
Powerkw 224 kW
Power 305 HP (227.41kw)
Displacementin3 359 in3
Displacement 5.9 cm3 (0.01L, 0.36in3)
Cylinders Arrangement/Number 6
Borein 4.02 in
Bore 102 mm (4.02in)