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MERCRUISER QSD4.2 - 350 HP

Brand
CUMMINS
Model
350 HP
Type
Engine
Application
Commercial

Description

Product Specification Listing

Marine Engine: MERCRUISER QSD4.2 - 350 HP


Engine Model: MERCURY MERCRUISER QSD4.2-350


Key Specifications:

  • Horsepower (HP): 350 HP
  • Engine Type: Inline 6-cylinder
  • Displacement: 4.2 liters (4,200 cc)
  • Bore & Stroke: 96 mm x 91 mm (3.78 in x 3.58 in)
  • Compression Ratio: 16.5:1

Fuel System:

  • Fuel Injection: Common Rail Direct Injection (CRDI)
  • Fuel Type: Diesel
  • Fuel Delivery: High-pressure injectors with electronically controlled system

Performance:

  • Maximum RPM Range: 3800 - 4200 RPM
  • Torque: 570 lb-ft (774 Nm) @ 2200 RPM
  • Aspiration: Turbocharged with Aftercooler

Cooling System:

  • Type: Closed cooling system with heat exchanger
  • Seawater Pump: Belt-driven impeller type

Electrical System:

  • Alternator: 14V, 95A
  • Voltage: 12V DC
  • Starter: 12V Electric

Dimensions & Weight:

  • Length: 933 mm (36.73 in)
  • Width: 761 mm (29.96 in)
  • Height: 837 mm (32.95 in)
  • Dry Weight: 668 kg (1,473 lbs)

Exhaust System:

  • Exhaust Type: Wet exhaust with water injection to reduce exhaust noise and emissions

Operational Features:

  • Throttle and Shift: Electronic Throttle and Shift (ETS)
  • Instrumentation: Advanced Multi-Function Display (optional)
  • Steering: Hydraulic power steering compatible

Additional Features:

  • Oil Capacity: 10 liters (10.5 quarts) with filter
  • Engine Mounting: Resilient mounts to absorb vibration
  • Heat Exchanger: High-capacity heat exchanger for consistent engine temperature

Compliance & Certifications:

  • Emissions: EPA Tier 3, EU RCD 2013/53/EU compliant
  • Certifications: ISO 9001 Quality Management, Lloyd's Register Type Approval

Operational Warnings and Protection:

  1. Overheat Protection
  2. Low Oil Pressure Warning
  3. High-Pressure Fuel System Warning
  4. Engine Diagnostic System

Accessories & Options:

  • Instrumentation Kits: Including gauges, displays, and controls
  • Propulsion System: Compatible stern drive
  • Service Tools: Diagnostic tools and software for maintenance
  • Remote Monitoring: Optional Mercury Marine VesselView Link for remote engine monitoring

Warranty:

  • Standard Warranty: 2 years or 1000 hours

Recommended Applications:

  • Recreational Boats
  • Small Commercial Vessels
  • Yachts and Cruisers

Contact Information:

  • Manufacturer: Mercury Marine
  • Customer Service: [Website or hotline]
  • Dealer Locator: [Website link]

Note: Specifications are subject to change based on manufacturing developments and regional requirements. Please refer to the official MerCruiser product documentation for the most accurate and up-to-date information.

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 3L70 in
Strokein 3.94 in (100.08 mm)