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Diesel 6.7L (480-550hp)
specifications
Mercury® Diesel 550
alternator amps / watts
12 V 90 A / 24 V 70 A
displacement (l)
6.7
dry weight (engine only)
1, 642 lbs / 745 kg
emissions
EPA Tier 3 / RCD IMO 2
engine type
Inline 6
HP / kW
550 / 405
Maximum speed (at full load)
3200
oil maintenance interval
250 hrs or annually
oil pan volume
20 qt / 19.0 L
Maximum torque
1, 580 Nm (1, 165 lb-ft) @ 1, 900 rpm
Recommended oil
15W40 ACEA C3 synthetic oil
weight (including reversing gear)
1, 803 lbs / 818 kg
Mercury® Diesel 500
alternator amps / watts
12 V 90 A / 24 V 70 A
displacement (l)
6.7
dry weight (engine only)
1, 642 lbs / 745 kg
emissions
EPA Tier 3 / RCD IMO 2
engine type
Inline 6
HP / kW
500 / 368
Maximum speed (at full load)
3200
oil maintenance interval
250 hrs or annually
oil pan volume
20 qt / 19.0 L
Maximum torque
1, 580 Nm (1, 165 lb-ft) @ 1, 900 rpm
Recommended oil
15W40 ACEA C3 synthetic oil
weight (including reversing gear)
1, 803 lbs / 818 kg
Mercury® Diesel 480
alternator amps / watts
12 V 90 A / 24 V 70 A
displacement (l)
6.7
dry weight (engine only)
1, 642 lbs / 745 kg
emissions
EPA Tier 3 / RCD IMO 2
engine type
Inline 6
HP / kW
480 / 353
Maximum speed (at full load)
3200
oil maintenance interval
250 hrs or annually
oil pan volume
20 qt / 19.0 L
Maximum torque
1, 580 Nm (1, 165 lb-ft) @ 1, 900 rpm
Recommended oil
15W40 ACEA C3 synthetic oil
weight (including reversing gear)
1, 832 lbs / 831 kg
Intuitive, innovative features
power and torque
The high-volume, turbocharged engine builds tremendous torque and delivers instantly responsive power to get big boats on plane quickly and provide powerful mid-range thrust exactly when you need it.
Quiet and smooth running
From vibration-dampening engine mounts to an air filter strategically placed to reduce turbo noise, the 6.7-liter engine is optimized for a smooth and quiet ride.
intake air preheater
With the 6.7-liter engine, you are prepared for any weather. Thanks to the intake air preheater, even cold starts are child's play.
Closed cooling system
A thermostatically controlled, closed-circuit cooling system protects the engine in both fresh and salt water.
HPCR fuel injection
The high-pressure common rail (HPCR) fuel injection system optimizes the air-fuel ratio to increase acceleration, top speed and efficiency.
information
Learn more about how Mercury makes your time on the water special.
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