Gas Carbureted
Gas Fuel Injected
Diesel
Performance Engines
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 Pure,
clean, responsive power. It’s what light commercial boats
demand, and the D4.2 LD delivers. It’s fast enough for
patrol boats, reliable enough for fireboats, and performs miracles
for search-and-rescue vessels. Proven by years of service in
Europe, the D4.2 LD combines the quiet, smoke-free, smooth performance
of a traditional gasoline engine with the power and durability
of a diesel.
Diesel - D4.2L
D4.2L LD Specifications
- Crankshaft HP: 200
- Sterndrive Propshaft HP: 180
- Displacement (Liter/CID): 4.2/254
- Cylinders: Inline-6
- Bore & Stroke (in/mm): 3.70 x 3.94/94 x 100
- Compression Ratio: 16.5:1
- Fuel System: Direct Injected
- Full Throttle RPM Range: 3400-3600
- Alternator: 70
- Length (in/cm): 50/127
- Width (in/cm): 30/77
- Height (in/cm): 21/54
- Weight (lbs/kg) - Bravo One: 1275
- Weight (lbs/kg) - Bravo Two: 1287
- Weight (lbs/kg) - Bravo Three: 1296
Transmission Ratios
- Gear Ratio - Bravo One (primary/optional/high altitude): 1.5/-/-
- Gear Ratio - Bravo Two (primary/optional/high altitude): 2.0/1.81,2.2/-
- Gear Ratio - Bravo Three (primary/optional/high altude): 1.81/1.65,2.0/2.2
Standard Features
- Aftercooler
- Audio warning system
- Closed-cooling
- Remote oil filter
- Turbocharger
- Waste gate
- Water/Fuel separator
- 5" risers (kit)
Boating Benefits
- Bosch® mechanical fuel system.
- 70-amp dual belt driving alternator.
- An advanced closed-cooling system and ceramic-coated exhaust
components for durability and corrosion resistance.
- Direct-injected, turbocharged and intercooled for quick response
and superior performance.
- Virtually smoke-free performance that meets all current emissions
standards (SAV1).
- Engine-mounted crankcase oil pump and remote-mounted oil
filter for ease of maintenance
- Audio alarm protection for engine and drive unit.
- Hydraulic lifters and constant-tension head bolts for durability
and less required maintenance.
- Exclusive Mercury MerCruiser® service dealer network
 
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MerCruiser
SternDrives 