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MERCRUISER QSD4.2 - 350 HP

Brand
CUMMINS
Model
350 HP
Type
Engine
Application
Commercial

Description

Product Specification Listing for MerCruiser QSD4.2 - 350 HP Marine Engine

General Information:

  • Brand: MerCruiser
  • Model: QSD4.2 - 350 HP
  • Engine Type: Inboard diesel
  • Application: Marine use, suitable for yachts, cruisers, and various watercraft

Technical Specifications:

  • Power Output: 350 HP (horsepower) @ 3,800 RPM
  • Displacement: 4.2 liters (4,200 cc)
  • Configuration: V6, 24-valve
  • Bore x Stroke: 96 mm x 96 mm
  • Compression Ratio: 17.5:1

Engine Features:

  • Fuel System: Common Rail Direct Injection (CRDI)
  • Turbocharger: Twin-turbocharged with air-to-water intercooler
  • Cooling System: Closed-loop cooling
  • Exhaust System: Wet exhaust for reduced noise and emissions
  • Starting System: Electric, 12V
  • Lubrication System: Forced lubrication with full-flow oil filter
  • Weight: Approx. 1,050 lbs (476 kg)

Dimensions:

  • Length: 55.1 inches (1400 mm)
  • Width: 28.7 inches (730 mm)
  • Height: 31.1 inches (790 mm)

Performance Data:

  • Max RPM: 3,800 RPM
  • Fuel Consumption: Approx. 18.5 gallons/hour at full load
  • Emissions Compliance: EPA Tier 3, IMO Tier II

Electrical System:

  • Alternator Output: 140 amps
  • Battery Voltage: Recommended 12V marine battery (minimum 800 CCA)

Additional Features:

  • Engine Management System: Advanced digital throttle and shift (DTS)
  • Diagnostic System: SmartCraft Engine Guardian System for real-time monitoring
  • Corrosion Protection: Anti-corrosion coating and anodes
  • Noise and Vibration: Specifically tuned for low noise and minimal vibration

Maintenance and Warranty:

  • Service Intervals: Annual or 100 hours (whichever comes first)
  • Warranty: 2 years limited warranty for recreational use; commercial use warranty may vary

Optional Accessories:

  • Digital Helm Display: For detailed engine data and diagnostics
  • Joystick Piloting System: Enhanced maneuverability for docking and low-speed handling
  • Dual Engine Synchronization: For twin-engine configurations

Package Contents:

  • Engine: Pre-rigged with standard features and components
  • User Manual: Comprehensive guide for operation and maintenance
  • Mounting Hardware: Necessary brackets and bolts for installation

Contact Information:

  • Customer Support: [Phone Number / Email Address]
  • Website: [Manufacturer's Website URL]

Note: The information provided is intended for general guidance. For detailed specifications, installation instructions, and safety information, please refer to the official MerCruiser documentation or contact an authorized dealer.

Specifications

Power 350 HP (261 kW)
Cylinders Arrangement/Number 6
Bore 94 mm (3.7 in)
Stroke 100 mm (3.94 in)
Displacement 4.2 cm3 (0 L, 0.26 in3)
Rated Speed 3,800 r/min
Powerkw 257 kW (344.64 HP)
Displacementin3 254 in3 (4,162.31 cm3)
Borein 3.7 in (93.98 mm)
Strokein 3.94 in (100.08 mm)