Description
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.