MERCRUISER QSD4.2-320 LC - 320 HP
Model: 320 HPBrand: CUMMINS
Product Specification Listing: MERCRUISER QSD4.2-320 LC - 320 HP Marine Engine
General Information
- Product Name: MERCRUISER QSD4.2-320 LC
- Manufacturer: Mercury Marine
- Engine Type: Inboard Marine Diesel Engine
Technical Specifications
- Engine Model: QSD4.2-320 LC
- Horsepower: 320 HP (235 kW)
- Displacement: 4.2 Liters
- Configuration: V6
- Operation Cycle: 4-Stroke
- Aspiration: Turbocharged with Aftercooler
- Cooling System: Closed-Loop Cooling System
- Fuel System: Common Rail Direct Injection
- Emission Compliance: Meets EPA and CARB emissions standards
Performance
- Maximum RPM: 3800 RPM
- Torque: Approx. 678 Nm (500 ft-lb) @ 3000 RPM
- Fuel Type: Diesel
- Fuel Consumption: Varies with load and conditions
Dimensions and Weight
- Length: 987 mm (38.9 inches)
- Width: 780 mm (30.7 inches)
- Height: 763 mm (30 inches)
- Dry Weight: Approx. 484 kg (1067 lbs)
Features
- Engine Management System: SmartCraft Digital Throttle & Shift (DTS)
- Controls: Digital and Analog Controls
- Instrumentation: Integrated Engine Health Monitoring
- Propulsion System: Compatible with Bravo Three X Drive
Additional Features
- Advanced Engine Protection: Low Oil Pressure, Overheat Protection, Loss of Coolant, and Over-Speed Protection
- Vibration Dampening: Optimized for reduced vibration and noise
- Electrical System: 12V
Installation Requirements
- Engine Mounting: Requires standard mounts (check installation manual for specifics)
- Exhaust System: Wet exhaust system recommended
- Fuel Lines: High-pressure fuel lines compatible with diesel
- Cooling Requirements: Heat exchanger and raw water intake
Maintenance
- Service Intervals: Refer to the owner’s manual for detailed maintenance schedules
- Warranty: Typically comes with a 2-3 year limited warranty (check regional details)
Applications
- Suitable for: Pleasure Boats, Yachts, Light Commercial Vessels
Dealer Information
- For purchases, availability, and service, contact your local authorized Mercury Marine dealer or visit the Mercury Marine website.
Note: Please refer to the official Mercruiser QSD4.2-320 LC operation and installation manual for comprehensive details and specific installation instructions. Specs provided are for reference and may vary based on production year and region-specific regulations.
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)