Saturday, December 21, 2024

MERCRUISER QSD4.2 - 320 HP

Model: 320 HP

Brand: CUMMINS

Sure, here is a detailed product specification listing for the MerCruiser QSD4.2 - 320 HP marine engine:


MerCruiser QSD4.2 - 320 HP Marine Engine

Product Overview: The MerCruiser QSD4.2 is a high-performance marine engine designed for marine applications requiring reliability, power, and efficiency. Below are the detailed specifications of this robust engine.


General Specifications:

  • Model: QSD4.2
  • Horsepower: 320 HP (238 kW)
  • Engine Type: Inboard
  • Configuration: 4-stroke, 24-valve, V6
  • Displacement: 4.2 liters (4200 cc)
  • Aspiration: Turbocharged and Aftercooled
  • Fuel Type: Diesel
  • Emission Compliance: EPA Tier 3, EU RCD

Performance:

  • Max RPM (Revolutions Per Minute): 3800 RPM
  • Idle RPM: 800-900 RPM
  • Fuel Consumption:
    • Cruise: Approx 21-25 gallons per hour (GPH) at 3000 RPM
    • WOT (Wide Open Throttle): Approx 30-35 GPH at 3800 RPM

Dimensions and Weight:

  • Length: 38 inches (965 mm)
  • Width: 34 inches (864 mm)
  • Height: 32 inches (813 mm)
  • Weight (Dry): 1,200 lbs (544 kg)

Cooling System:

  • Type: Closed cooling with heat exchanger
  • Water Pump: Sea water pump with impeller
  • Thermostat: Dual thermostat system for optimized temperature control

Electrical and Control System:

  • Alternator: 12V, 150 Amp
  • Starter Motor: 12V electric
  • Battery Requirements:
    • Qty: 2
    • Type: Marine deep cycle
    • Voltage: 12V
    • CCA (Cold Cranking Amps): 1000

Fuel System:

  • Injection System: High-pressure common rail (HPCR)
  • Filtration System: Dual-stage fuel filtration with water separator
  • Fuel Supply: Electric lift pump

Exhaust System:

  • Exhaust Manifold: Cast iron, water-cooled
  • Exhaust Outlet: Wet exhaust with mixer elbow

Drive Options:

  • Compatible Drives: Bravo I, Bravo II, Bravo III X
  • Gear Ratios: Varies by drive, typically 1.50:1 to 2.20:1

Additional Features:

  • Diagnostics: MerCathode system for corrosion protection, SmartCraft compatible
  • Warranty: Standard 2 years limited warranty, with optional extended protection plans available
  • Compliance: Meets ISO, EPA, and CE certifications

Accessories (Optional):

  • Digital throttle and shift controls
  • Engine monitoring system
  • Dual station controls
  • Joystick piloting

Recommended Applications:

  • Leisure boats
  • Small commercial vessels
  • Sportfishing boats
  • Cruisers
  • Sailboats

Notes:

  • Regular maintenance and servicing recommended at intervals specified in the owner's manual.
  • Installation and alignment should be performed by a certified MerCruiser technician for optimal performance.

Contact Information for Purchase:

  • Authorized Dealers: Available worldwide – consult the MerCruiser website or contact local marine supply stores.
  • Customer Support: For technical support, parts, and servicing, refer to the official MerCruiser website or authorized service centers.

This specification aims to provide a comprehensive overview of the MerCruiser QSD4.2 - 320 HP marine engine's features and capabilities. Always refer to the official user manual and MerCruiser documentation for the most accurate and detailed information.

[Product Type: Engine]

Product Specifications

Strokein 3.94 in
Stroke 100 mm (3.94in)
Rated Speed 3800 r/min
Powerkw 235 kW
Power 320 HP (238.59kw)
Displacementin3 254 in3
Displacement 4.2 cm3 (0.00L, 0.26in3)
Cylinders Arrangement/Number 6
Borein 3.70 in
Bore 94 mm (3.70in)