Gas Carbureted
Gas Fuel Injected
Diesel
Performance Engines
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 The
D7.3L D-Tronic LD is powering light emergency boats and light
commercial vessels the world over — for very good reason.
It combines the quiet, smoke-free, smooth performance of a traditional
gasoline engine with the sheer power and durability of a diesel.
Diesel - D7.3L D-Tronic LD
D7.3L D-Tronic LD Specifications
- Crankshaft HP (Pleasure): 260
- Crankshaft HP (Light Commercial): 235
- Propshaft HP (Pleasure): 270 (202 kW)
- Propshaft HP (Light Commercial): 235 (176 kW)
- Displacement (Liter/CID): 7.3/444
- Cylinders: V-8
- Bore & Stroke (in/mm): 4.11 x 4.18/104 x 106
- Compression Ratio: 15.5:1
- Fuel System: Direct Injected
- Full Throttle RPM Range: 3400-3600
- Alternator: 65/917
- Length (in/cm): 47/120
- Width (in/cm): 30/77
- Height (in/cm): 24/61
- Weight (lbs/kg) - Bravo One: 1655/752
- Weight (lbs/kg) - Bravo Two: 1667/757
- Weight (lbs/kg) - Bravo Three: 1676/761
Transmission Ratios
- Gear Ratio - Bravo One (primary/optional/high altitude): 1.5/-/-
- Gear Ratio - Bravo Two (primary/optional/high altitude): 1.81/1.65,2.0/-
- Gear Ratio - Bravo Three (primary/optional/high altude): 1.65/1.5/1.81
Standard Features
- Aftercooler
- Audio warning system
- Closed-cooling
- Remote oil filter
- Turbocharger
- Water/Fuel separator
Boating Benefits
- A direct-injected electronic fuel system that analyzes throttle
position, turbo-boost pressure, speed, injection timing, and
fuel temperature for optimum performance in all boating conditions.
- A microprocessor electronic control unit linked to eight
sensors that constantly monitors all operating conditions.
- An advanced closed-cooling system with electronic engine
overheat protection for durability and safety.
- Turbocharged and intercooled for quick response and superior
performance.
- Virtually smoke-free performance that meets all current emissions
standards (SAV1).
- Audio alarm protection for engine and drive unit.
- ECM monitors engine and stores data to aid dealer in diagnostic
capabilities.
- Exclusive Mercury MerCruiser® service dealer network
 
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MerCruiser
SternDrives 